Bug#676453: linux-image-3.2.0-2-amd64: pmount hangs while mounting an external USB disk partition
Here is more information as requested by Ben Hutchings:
This is after executing
pmount /dev/sdb1 backups
and
sync &
echo l >/proc/sysrq-trigger:
[168534.533936] SysRq : Show backtrace of all active CPUs
[168534.533942] sending NMI to all CPUs:
[168534.533947] NMI backtrace for cpu 0
[168534.533950] CPU 0
[168534.533952] Modules linked in: nls_utf8 udf usb_storage xhci_hcd tun acpi_cpufreq mperf cpufreq_conservative cpufreq_stats cpufreq_powersave cpufreq_userspace parport_pc ppdev lp parport bnep rfcomm uinput deflate zlib_deflate ctr twofish_generic twofish_x86_64_3way twofish_x86_64 twofish_common camellia serpent blowfish_generic blowfish_x86_64 blowfish_common cast5 des_generic cbc cryptd aes_x86_64 aes_generic xcbc rmd160 sha512_generic sha256_generic sha1_ssse3 sha1_generic hmac crypto_null af_key fuse nf_conntrack_ftp nf_conntrack loop dm_crypt dm_mod uvcvideo videodev v4l2_compat_ioctl32 media btusb bluetooth usbhid hid snd_hda_codec_hdmi nvidia(P) snd_hda_codec_conexant arc4 snd_hda_intel mxm_wmi snd_hda_codec snd_seq_midi snd_seq_midi_event snd_rawmidi snd_hwdep snd_pcm_oss sr_mod snd_mixer_oss psmouse snd_seq cdrom i7core_edac snd_pcm snd_seq_device evdev pcspkr serio_raw edac_core iwlwifi thinkpad_acpi battery ac power_supply video snd_page_alloc nvram i2c_i801 ma
c80211 snd_timer iTCO_wdt firewire_ohci iTCO_vendor_support cfg80211 ehci_hcd wmi snd sdhci_pci firewire_core sdhci button crc_itu_t e1000e rfkill processor usbcore mmc_core soundcore i2c_core usb_common ext4 crc16 jbd2 mbcache sd_mod crc_t10dif ahci libahci libata scsi_mod thermal thermal_sys [last unloaded: xhci_hcd]
[168534.534077]
[168534.534081] Pid: 31334, comm: mount Tainted: P O 3.2.0-2-amd64 #1 LENOVO 4389A97/4389A97
[168534.534087] RIP: 0010:[<ffffffff810bc23e>] [<ffffffff810bc23e>] put_page_testzero+0x7/0x13
[168534.534098] RSP: 0018:ffff880093b479e0 EFLAGS: 00000202
[168534.534101] RAX: 0000000000000003 RBX: ffffea0000f4f200 RCX: ffff880038d97e98
[168534.534105] RDX: ffff880038d97e98 RSI: 0000000000000000 RDI: ffffea0000f4f200
[168534.534109] RBP: 0000000000000000 R08: ffffea0000f4f200 R09: 0000000000000022
[168534.534112] R10: ffff88012e2bee20 R11: ffff88012e2bee20 R12: ffff880050cd7298
[168534.534116] R13: ffff880050cd7158 R14: ffffffffaea85701 R15: ffff880050cd7080
[168534.534121] FS: 0000000000000000(0000) GS:ffff880137c00000(0063) knlGS:00000000f7534750
[168534.534124] CS: 0010 DS: 002b ES: 002b CR0: 000000008005003b
[168534.534128] CR2: 00000000f730cfe0 CR3: 0000000098245000 CR4: 00000000000006f0
[168534.534131] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[168534.534135] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[168534.534139] Process mount (pid: 31334, threadinfo ffff880093b46000, task ffff88012e2bee20)
[168534.534142] Stack:
[168534.534145] ffffffff810bcb25 ffffea0000f4f200 ffffffff8111aeca 0000000000000001
[168534.534152] 1ffffffff5d50ae0 0000000000000004 ffff880093b46000 1ffffffff5d50ae0
[168534.534158] ffffea0000f4f200 ffff880050cd7298 0000000000000000 ffff880050cd7080
[168534.534164] Call Trace:
[168534.534169] [<ffffffff810bcb25>] ? put_page+0x18/0x27
[168534.534176] [<ffffffff8111aeca>] ? __find_get_block_slow+0x120/0x136
[168534.534182] [<ffffffff8111b9a9>] ? __find_get_block+0x9b/0x17b
[168534.534188] [<ffffffff810b316a>] ? find_lock_page+0x29/0x4a
[168534.534193] [<ffffffff8111b854>] ? init_page_buffers.isra.16+0x3c/0x8e
[168534.534197] [<ffffffff8111bb57>] ? __getblk+0xce/0x212
[168534.534202] [<ffffffff8111bcd7>] ? __bread+0x6/0x67
[168534.534210] [<ffffffffa1108c3c>] ? udf_read_tagged+0x29/0x113 [udf]
[168534.534218] [<ffffffffa1107422>] ? udf_check_anchor_block+0x6e/0xf5 [udf]
[168534.534225] [<ffffffffa11075a2>] ? udf_scan_anchors+0xf9/0x158 [udf]
[168534.534233] [<ffffffffa110781c>] ? udf_load_vrs+0x21b/0x2b9 [udf]
[168534.534240] [<ffffffffa11078ba>] ? udf_load_vrs+0x2b9/0x2b9 [udf]
[168534.534247] [<ffffffffa1107a8a>] ? udf_fill_super+0x1d0/0x4d6 [udf]
[168534.534257] [<ffffffff81120d95>] ? set_blocksize+0x2f/0x94
[168534.534263] [<ffffffff810fa8f1>] ? mount_bdev+0x13a/0x187
[168534.534268] [<ffffffff810fb142>] ? mount_fs+0x61/0x147
[168534.534275] [<ffffffff8110e166>] ? vfs_kern_mount+0x5f/0x99
[168534.534281] [<ffffffff8110e550>] ? do_kern_mount+0x49/0xd8
[168534.534285] [<ffffffff8110fbc1>] ? do_mount+0x660/0x6c6
[168534.534290] [<ffffffff8110f4d3>] ? copy_mount_options+0xc3/0x126
[168534.534296] [<ffffffff8112fa37>] ? compat_sys_mount+0x1b1/0x1ec
[168534.534303] [<ffffffff8134c3f0>] ? sysenter_dispatch+0x7/0x2e
[168534.534306] Code: 66 90 66 90 c3 9c 58 66 66 90 66 90 48 89 c2 fa 66 66 90 66 66 90 48 89 d0 c3 f0 80 0f 20 c3 f0 80 0f 40 c3 8b 47 1c f0 ff 4f 1c <0f> 94 c0 84 c0 0f 95 c0 0f b6 c0 c3 48 89 f8 48 89 f7 f0 80 60
[168534.534353] Call Trace:
[168534.534357] [<ffffffff810bcb25>] ? put_page+0x18/0x27
[168534.534362] [<ffffffff8111aeca>] ? __find_get_block_slow+0x120/0x136
[168534.534367] [<ffffffff8111b9a9>] ? __find_get_block+0x9b/0x17b
[168534.534372] [<ffffffff810b316a>] ? find_lock_page+0x29/0x4a
[168534.534376] [<ffffffff8111b854>] ? init_page_buffers.isra.16+0x3c/0x8e
[168534.534381] [<ffffffff8111bb57>] ? __getblk+0xce/0x212
[168534.534386] [<ffffffff8111bcd7>] ? __bread+0x6/0x67
[168534.534393] [<ffffffffa1108c3c>] ? udf_read_tagged+0x29/0x113 [udf]
[168534.534400] [<ffffffffa1107422>] ? udf_check_anchor_block+0x6e/0xf5 [udf]
[168534.534407] [<ffffffffa11075a2>] ? udf_scan_anchors+0xf9/0x158 [udf]
[168534.534415] [<ffffffffa110781c>] ? udf_load_vrs+0x21b/0x2b9 [udf]
[168534.534422] [<ffffffffa11078ba>] ? udf_load_vrs+0x2b9/0x2b9 [udf]
[168534.534428] [<ffffffffa1107a8a>] ? udf_fill_super+0x1d0/0x4d6 [udf]
[168534.534436] [<ffffffff81120d95>] ? set_blocksize+0x2f/0x94
[168534.534441] [<ffffffff810fa8f1>] ? mount_bdev+0x13a/0x187
[168534.534446] [<ffffffff810fb142>] ? mount_fs+0x61/0x147
[168534.534451] [<ffffffff8110e166>] ? vfs_kern_mount+0x5f/0x99
[168534.534456] [<ffffffff8110e550>] ? do_kern_mount+0x49/0xd8
[168534.534461] [<ffffffff8110fbc1>] ? do_mount+0x660/0x6c6
[168534.534465] [<ffffffff8110f4d3>] ? copy_mount_options+0xc3/0x126
[168534.534470] [<ffffffff8112fa37>] ? compat_sys_mount+0x1b1/0x1ec
[168534.534476] [<ffffffff8134c3f0>] ? sysenter_dispatch+0x7/0x2e
[168534.534480] NMI backtrace for cpu 4
[168534.534484] CPU 4
[168534.534486] Modules linked in: nls_utf8 udf usb_storage xhci_hcd tun acpi_cpufreq mperf cpufreq_conservative cpufreq_stats cpufreq_powersave cpufreq_userspace parport_pc ppdev lp parport bnep rfcomm uinput deflate zlib_deflate ctr twofish_generic twofish_x86_64_3way twofish_x86_64 twofish_common camellia serpent blowfish_generic blowfish_x86_64 blowfish_common cast5 des_generic cbc cryptd aes_x86_64 aes_generic xcbc rmd160 sha512_generic sha256_generic sha1_ssse3 sha1_generic hmac crypto_null af_key fuse nf_conntrack_ftp nf_conntrack loop dm_crypt dm_mod uvcvideo videodev v4l2_compat_ioctl32 media btusb bluetooth usbhid hid snd_hda_codec_hdmi nvidia(P) snd_hda_codec_conexant arc4 snd_hda_intel mxm_wmi snd_hda_codec snd_seq_midi snd_seq_midi_event snd_rawmidi snd_hwdep snd_pcm_oss sr_mod snd_mixer_oss psmouse snd_seq cdrom i7core_edac snd_pcm snd_seq_device evdev pcspkr serio_raw edac_core iwlwifi thinkpad_acpi battery ac power_supply video snd_page_alloc nvram i2c_i801 ma
c80211 snd_timer iTCO_wdt firewire_ohci iTCO_vendor_support cfg80211 ehci_hcd wmi snd sdhci_pci firewire_core sdhci button crc_itu_t e1000e rfkill processor usbcore mmc_core soundcore i2c_core usb_common ext4 crc16 jbd2 mbcache sd_mod crc_t10dif ahci libahci libata scsi_mod thermal thermal_sys [last unloaded: xhci_hcd]
[168534.534599]
[168534.534603] Pid: 2416, comm: Xorg Tainted: P O 3.2.0-2-amd64 #1 LENOVO 4389A97/4389A97
[168534.534609] RIP: 0010:[<ffffffff81167262>] [<ffffffff81167262>] selinux_file_permission+0x34/0x9b
[168534.534619] RSP: 0018:ffff88012aaefde8 EFLAGS: 00003246
[168534.534622] RAX: 0000000000000073 RBX: ffff880130c3e780 RCX: 0000000000000000
[168534.534626] RDX: 0000000000000020 RSI: 0000000000000002 RDI: ffff880130c3e780
[168534.534629] RBP: ffff880130fb1880 R08: ffff88012aaeffd8 R09: 00000000f94200f8
[168534.534633] R10: 000000007ffff000 R11: 000000007ffff000 R12: 0000000000000002
[168534.534637] R13: ffff88012a8c7bb8 R14: 0000000000000020 R15: ffff880130c3e7c0
[168534.534641] FS: 0000000000000000(0000) GS:ffff880137d00000(0063) knlGS:00000000f71207e0
[168534.534645] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033
[168534.534648] CR2: 0000000008129748 CR3: 000000012e8a3000 CR4: 00000000000006e0
[168534.534652] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[168534.534656] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[168534.534660] Process Xorg (pid: 2416, threadinfo ffff88012aaee000, task ffff880130cac970)
[168534.534663] Stack:
[168534.534665] 00000000f94200f8 ffff880130c3e780 0000000000000002 0000000000000001
[168534.534672] 0000000000000001 ffffffff81161091 000000007ffff000 0000000000000020
[168534.534678] ffff880130c3e780 ffffffff810f853a 0000000000000000 ffff880130c3e780
[168534.534684] Call Trace:
[168534.534691] [<ffffffff81161091>] ? security_file_permission+0x16/0x2d
[168534.534697] [<ffffffff810f853a>] ? rw_verify_area+0xa1/0xba
[168534.534702] [<ffffffff8112f5f9>] ? compat_do_readv_writev+0xa8/0x1aa
[168534.534708] [<ffffffff8112f739>] ? compat_writev+0x3e/0x65
[168534.534712] [<ffffffff8112fd6f>] ? compat_sys_writev+0x3b/0x5b
[168534.534719] [<ffffffff8134c3f0>] ? sysenter_dispatch+0x7/0x2e
[168534.534721] Code: 48 89 fb 41 51 48 8b 47 18 48 8b af 98 00 00 00 48 8b 40 30 4c 8b 68 38 e8 ac b7 ff ff 45 85 e4 74 66 3b 45 00 75 15 41 8b 45 1c <39> 45 08 75 0c 8b 6d 0c e8 7a b7 ff ff 39 c5 74 4c 65 48 8b 04
[168534.534768] Call Trace:
[168534.534773] [<ffffffff81161091>] ? security_file_permission+0x16/0x2d
[168534.534778] [<ffffffff810f853a>] ? rw_verify_area+0xa1/0xba
[168534.534782] [<ffffffff8112f5f9>] ? compat_do_readv_writev+0xa8/0x1aa
[168534.534787] [<ffffffff8112f739>] ? compat_writev+0x3e/0x65
[168534.534792] [<ffffffff8112fd6f>] ? compat_sys_writev+0x3b/0x5b
[168534.534797] [<ffffffff8134c3f0>] ? sysenter_dispatch+0x7/0x2e
[168534.534801] NMI backtrace for cpu 2
[168534.534803] CPU 2
[168534.534805] Modules linked in: nls_utf8 udf usb_storage xhci_hcd tun acpi_cpufreq mperf cpufreq_conservative cpufreq_stats cpufreq_powersave cpufreq_userspace parport_pc ppdev lp parport bnep rfcomm uinput deflate zlib_deflate ctr twofish_generic twofish_x86_64_3way twofish_x86_64 twofish_common camellia serpent blowfish_generic blowfish_x86_64 blowfish_common cast5 des_generic cbc cryptd aes_x86_64 aes_generic xcbc rmd160 sha512_generic sha256_generic sha1_ssse3 sha1_generic hmac crypto_null af_key fuse nf_conntrack_ftp nf_conntrack loop dm_crypt dm_mod uvcvideo videodev v4l2_compat_ioctl32 media btusb bluetooth usbhid hid snd_hda_codec_hdmi nvidia(P) snd_hda_codec_conexant arc4 snd_hda_intel mxm_wmi snd_hda_codec snd_seq_midi snd_seq_midi_event snd_rawmidi snd_hwdep snd_pcm_oss sr_mod snd_mixer_oss psmouse snd_seq cdrom i7core_edac snd_pcm snd_seq_device evdev pcspkr serio_raw edac_core iwlwifi thinkpad_acpi battery ac power_supply video snd_page_alloc nvram i2c_i801 ma
c80211 snd_timer iTCO_wdt firewire_ohci iTCO_vendor_support cfg80211 ehci_hcd wmi snd sdhci_pci firewire_core sdhci button crc_itu_t e1000e rfkill processor usbcore mmc_core soundcore i2c_core usb_common ext4 crc16 jbd2 mbcache sd_mod crc_t10dif ahci libahci libata scsi_mod thermal thermal_sys [last unloaded: xhci_hcd]
[168534.534915]
[168534.534918] Pid: 31410, comm: bash Tainted: P O 3.2.0-2-amd64 #1 LENOVO 4389A97/4389A97
[168534.534924] RIP: 0010:[<ffffffff811ae940>] [<ffffffff811ae940>] __delay+0x7/0x9
[168534.534932] RSP: 0018:ffff88005227fe70 EFLAGS: 00000847
[168534.534936] RAX: ffffffff811ae977 RBX: 0000000000002710 RCX: 0000000000000040
[168534.534939] RDX: 00000000001827e0 RSI: 0000000000000200 RDI: 00000000001827e1
[168534.534943] RBP: 0000000000000004 R08: 0000000000000002 R09: 0000000000000001
[168534.534946] R10: 0000000000000000 R11: 0000000000000000 R12: 000000000000006c
[168534.534949] R13: 0000000000000246 R14: 0000000000000000 R15: 0000000000000000
[168534.534954] FS: 0000000000000000(0000) GS:ffff880137c80000(0063) knlGS:00000000f76066c0
[168534.534958] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033
[168534.534961] CR2: 00000000088f1008 CR3: 0000000037a80000 CR4: 00000000000006e0
[168534.534965] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[168534.534968] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[168534.534972] Process bash (pid: 31410, threadinfo ffff88005227e000, task ffff8801317c2fa0)
[168534.534975] Stack:
[168534.534977] ffffffff81024939 ffffffff8164b460 ffffffff8122b083 0000000000000002
[168534.534984] 0000000000000000 ffff88005227ff58 0000000000000000 0000000000000000
[168534.534990] ffffffff8122b149 ffff88005227ff58 ffff88013163c800 ffff880131148c80
[168534.534996] Call Trace:
[168534.535004] [<ffffffff81024939>] ? arch_trigger_all_cpu_backtrace+0x6c/0x7b
[168534.535011] [<ffffffff8122b083>] ? __handle_sysrq+0x94/0x128
[168534.535015] [<ffffffff8122b149>] ? write_sysrq_trigger+0x32/0x39
[168534.535021] [<ffffffff8113d7fe>] ? proc_reg_write+0x78/0x91
[168534.535026] [<ffffffff810f87af>] ? vfs_write+0xa2/0xe9
[168534.535030] [<ffffffff810f898c>] ? sys_write+0x45/0x6b
[168534.535036] [<ffffffff8134c3f0>] ? sysenter_dispatch+0x7/0x2e
[168534.535039] Code: 66 66 2e 0f 1f 84 00 00 00 00 00 eb 0e 66 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 48 ff c8 75 fb 48 ff c8 c3 48 8b 05 78 4e 49 00 <ff> e0 65 48 8b 14 25 98 34 01 00 48 6b d2 3e 48 8d 04 bd 00 00
[168534.535085] Call Trace:
[168534.535090] [<ffffffff81024939>] ? arch_trigger_all_cpu_backtrace+0x6c/0x7b
[168534.535095] [<ffffffff8122b083>] ? __handle_sysrq+0x94/0x128
[168534.535099] [<ffffffff8122b149>] ? write_sysrq_trigger+0x32/0x39
[168534.535104] [<ffffffff8113d7fe>] ? proc_reg_write+0x78/0x91
[168534.535108] [<ffffffff810f87af>] ? vfs_write+0xa2/0xe9
[168534.535113] [<ffffffff810f898c>] ? sys_write+0x45/0x6b
[168534.535118] [<ffffffff8134c3f0>] ? sysenter_dispatch+0x7/0x2e
[168534.535122] NMI backtrace for cpu 6
[168534.535125] CPU 6
[168534.535127] Modules linked in: nls_utf8 udf usb_storage xhci_hcd tun acpi_cpufreq mperf cpufreq_conservative cpufreq_stats cpufreq_powersave cpufreq_userspace parport_pc ppdev lp parport bnep rfcomm uinput deflate zlib_deflate ctr twofish_generic twofish_x86_64_3way twofish_x86_64 twofish_common camellia serpent blowfish_generic blowfish_x86_64 blowfish_common cast5 des_generic cbc cryptd aes_x86_64 aes_generic xcbc rmd160 sha512_generic sha256_generic sha1_ssse3 sha1_generic hmac crypto_null af_key fuse nf_conntrack_ftp nf_conntrack loop dm_crypt dm_mod uvcvideo videodev v4l2_compat_ioctl32 media btusb bluetooth usbhid hid snd_hda_codec_hdmi nvidia(P) snd_hda_codec_conexant arc4 snd_hda_intel mxm_wmi snd_hda_codec snd_seq_midi snd_seq_midi_event snd_rawmidi snd_hwdep snd_pcm_oss sr_mod snd_mixer_oss psmouse snd_seq cdrom i7core_edac snd_pcm snd_seq_device evdev pcspkr serio_raw edac_core iwlwifi thinkpad_acpi battery ac power_supply video snd_page_alloc nvram i2c_i801 ma
c80211 snd_timer iTCO_wdt firewire_ohci iTCO_vendor_support cfg80211 ehci_hcd wmi snd sdhci_pci firewire_core sdhci button crc_itu_t e1000e rfkill processor usbcore mmc_core soundcore i2c_core usb_common ext4 crc16 jbd2 mbcache sd_mod crc_t10dif ahci libahci libata scsi_mod thermal thermal_sys [last unloaded: xhci_hcd]
[168534.535237]
[168534.535241] Pid: 3642, comm: gnome-terminal Tainted: P O 3.2.0-2-amd64 #1 LENOVO 4389A97/4389A97
[168534.535247] RIP: 0010:[<ffffffff811a6460>] [<ffffffff811a6460>] get_options+0x97/0x97
[168534.535255] RSP: 0018:ffff88012abb97a0 EFLAGS: 00000086
[168534.535259] RAX: ffff88011edd27d8 RBX: ffff8801324248c0 RCX: 0000000000000006
[168534.535263] RDX: ffff880137d8e300 RSI: ffff88011edd27d8 RDI: 00000000ffffffff
[168534.535266] RBP: 00000000ffffffff R08: ffff880137d8e300 R09: ffff88012abb9a74
[168534.535270] R10: 0000000000003fc3 R11: 0000000000003fc3 R12: 0000000000000006
[168534.535274] R13: ffff88011edd27c0 R14: 00000000ffffffff R15: ffffffffffffffff
[168534.535278] FS: 0000000000000000(0000) GS:ffff880137d80000(0063) knlGS:00000000f659e870
[168534.535282] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033
[168534.535285] CR2: 00000000f7672f60 CR3: 0000000131590000 CR4: 00000000000006e0
[168534.535289] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[168534.535293] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[168534.535297] Process gnome-terminal (pid: 3642, threadinfo ffff88012abb8000, task ffff8801310402c0)
[168534.535300] Stack:
[168534.535302] ffffffff81040d32 0000000000000000 ffff88012abb98c8 0000000200000000
[168534.535309] 0000000000013540 0000000000000000 0000000000000000 ffff88012abb9a74
[168534.535315] ffff880137c53540 0000000000000006 0000000000000000 ffff880137d8e300
[168534.535321] Call Trace:
[168534.535327] [<ffffffff81040d32>] ? find_busiest_group+0x1f5/0x805
[168534.535333] [<ffffffff810413c7>] ? load_balance+0x85/0x629
[168534.535339] [<ffffffff8103719b>] ? update_curr+0xbd/0xd7
[168534.535345] [<ffffffff81343a0c>] ? __schedule+0x2a4/0x5c3
[168534.535351] [<ffffffff813448b3>] ? schedule_hrtimeout_range_clock+0xb4/0xe4
[168534.535357] [<ffffffff81061811>] ? update_rmtp+0x62/0x62
[168534.535362] [<ffffffff8106207a>] ? hrtimer_start_expires+0x13/0x15
[168534.535369] [<ffffffff811062f9>] ? poll_schedule_timeout+0x43/0x5e
[168534.535374] [<ffffffff811071b0>] ? do_sys_poll+0x2b9/0x347
[168534.535379] [<ffffffff811063ab>] ? poll_freewait+0x97/0x97
[168534.535384] [<ffffffff81106479>] ? __pollwait+0xce/0xce
[168534.535389] [<ffffffff81106479>] ? __pollwait+0xce/0xce
[168534.535394] [<ffffffff81106479>] ? __pollwait+0xce/0xce
[168534.535399] [<ffffffff81106479>] ? __pollwait+0xce/0xce
[168534.535404] [<ffffffff81106479>] ? __pollwait+0xce/0xce
[168534.535409] [<ffffffff81106479>] ? __pollwait+0xce/0xce
[168534.535413] [<ffffffff81106479>] ? __pollwait+0xce/0xce
[168534.535418] [<ffffffff81106479>] ? __pollwait+0xce/0xce
[168534.535423] [<ffffffff81106479>] ? __pollwait+0xce/0xce
[168534.535430] [<ffffffff8103f32f>] ? try_to_wake_up+0x197/0x197
[168534.535435] [<ffffffff8104b08f>] ? timespec_add_safe+0x32/0x63
[168534.535441] [<ffffffff81013559>] ? paravirt_read_tsc+0x5/0x8
[168534.535446] [<ffffffff811072c9>] ? sys_poll+0x43/0xab
[168534.535452] [<ffffffff8134c3f0>] ? sysenter_dispatch+0x7/0x2e
[168534.535454] Code: c9 78 10 8d 5c 0b ff ff c3 41 ff cc 74 05 44 39 f3 7c 9f ff cb 48 8b 44 24 08 41 89 5d 00 48 83 c4 10 5b 5d 41 5c 41 5d 41 5e c3 <55> 89 f8 48 89 f5 53 48 89 d3 51 eb 09 0f a3 03 19 d2 85 d2 75
[168534.535501] Call Trace:
[168534.535505] [<ffffffff81040d32>] ? find_busiest_group+0x1f5/0x805
[168534.535511] [<ffffffff810413c7>] ? load_balance+0x85/0x629
[168534.535515] [<ffffffff8103719b>] ? update_curr+0xbd/0xd7
[168534.535520] [<ffffffff81343a0c>] ? __schedule+0x2a4/0x5c3
[168534.535526] [<ffffffff813448b3>] ? schedule_hrtimeout_range_clock+0xb4/0xe4
[168534.535531] [<ffffffff81061811>] ? update_rmtp+0x62/0x62
[168534.535535] [<ffffffff8106207a>] ? hrtimer_start_expires+0x13/0x15
[168534.535541] [<ffffffff811062f9>] ? poll_schedule_timeout+0x43/0x5e
[168534.535546] [<ffffffff811071b0>] ? do_sys_poll+0x2b9/0x347
[168534.535551] [<ffffffff811063ab>] ? poll_freewait+0x97/0x97
[168534.535556] [<ffffffff81106479>] ? __pollwait+0xce/0xce
[168534.535561] [<ffffffff81106479>] ? __pollwait+0xce/0xce
[168534.535565] [<ffffffff81106479>] ? __pollwait+0xce/0xce
[168534.535570] [<ffffffff81106479>] ? __pollwait+0xce/0xce
[168534.535575] [<ffffffff81106479>] ? __pollwait+0xce/0xce
[168534.535580] [<ffffffff81106479>] ? __pollwait+0xce/0xce
[168534.535585] [<ffffffff81106479>] ? __pollwait+0xce/0xce
[168534.535589] [<ffffffff81106479>] ? __pollwait+0xce/0xce
[168534.535594] [<ffffffff81106479>] ? __pollwait+0xce/0xce
[168534.535600] [<ffffffff8103f32f>] ? try_to_wake_up+0x197/0x197
[168534.535604] [<ffffffff8104b08f>] ? timespec_add_safe+0x32/0x63
[168534.535609] [<ffffffff81013559>] ? paravirt_read_tsc+0x5/0x8
[168534.535614] [<ffffffff811072c9>] ? sys_poll+0x43/0xab
[168534.535619] [<ffffffff8134c3f0>] ? sysenter_dispatch+0x7/0x2e
[168534.535623] NMI backtrace for cpu 3
[168534.535626] CPU 3
[168534.535627] Modules linked in: nls_utf8 udf usb_storage xhci_hcd tun acpi_cpufreq mperf cpufreq_conservative cpufreq_stats cpufreq_powersave cpufreq_userspace parport_pc ppdev lp parport bnep rfcomm uinput deflate zlib_deflate ctr twofish_generic twofish_x86_64_3way twofish_x86_64 twofish_common camellia serpent blowfish_generic blowfish_x86_64 blowfish_common cast5 des_generic cbc cryptd aes_x86_64 aes_generic xcbc rmd160 sha512_generic sha256_generic sha1_ssse3 sha1_generic hmac crypto_null af_key fuse nf_conntrack_ftp nf_conntrack loop dm_crypt dm_mod uvcvideo videodev v4l2_compat_ioctl32 media btusb bluetooth usbhid hid snd_hda_codec_hdmi nvidia(P) snd_hda_codec_conexant arc4 snd_hda_intel mxm_wmi snd_hda_codec snd_seq_midi snd_seq_midi_event snd_rawmidi snd_hwdep snd_pcm_oss sr_mod snd_mixer_oss psmouse snd_seq cdrom i7core_edac snd_pcm snd_seq_device evdev pcspkr serio_raw edac_core iwlwifi thinkpad_acpi battery ac power_supply video snd_page_alloc nvram i2c_i801 ma
c80211 snd_timer iTCO_wdt firewire_ohci iTCO_vendor_support cfg80211 ehci_hcd wmi snd sdhci_pci firewire_core sdhci button crc_itu_t e1000e rfkill processor usbcore mmc_core soundcore i2c_core usb_common ext4 crc16 jbd2 mbcache sd_mod crc_t10dif ahci libahci libata scsi_mod thermal thermal_sys [last unloaded: xhci_hcd]
[168534.535731]
[168534.535734] Pid: 0, comm: swapper/3 Tainted: P O 3.2.0-2-amd64 #1 LENOVO 4389A97/4389A97
[168534.535739] RIP: 0010:[<ffffffff811e9338>] [<ffffffff811e9338>] intel_idle+0xb9/0x119
[168534.535747] RSP: 0018:ffff880132fdfe68 EFLAGS: 00000046
[168534.535750] RAX: 0000000000000020 RBX: 0000000000000008 RCX: 0000000000000001
[168534.535753] RDX: 0000000000000000 RSI: ffff880132fdffd8 RDI: ffffffff81611680
[168534.535757] RBP: 0000000000000003 R08: 0000000000000000 R09: 00000000003cfad7
[168534.535760] R10: 0000000000003fc3 R11: ffff880132fde000 R12: ffff880137cd9b70
[168534.535763] R13: 0000000000000020 R14: 1296b72947788386 R15: 0000000000000003
[168534.535768] FS: 0000000000000000(0000) GS:ffff880137cc0000(0000) knlGS:0000000000000000
[168534.535771] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[168534.535775] CR2: 0000000008086740 CR3: 0000000001605000 CR4: 00000000000006e0
[168534.535778] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[168534.535781] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[168534.535785] Process swapper/3 (pid: 0, threadinfo ffff880132fde000, task ffff880132fb6f60)
[168534.535788] Stack:
[168534.535790] 0000000000000000 ffffffff8126986a 0000000000000003 000000003b637c0f
[168534.535796] 0000000000000003 000000033b637c0f ffff880137cd9b70 ffffffff81646330
[168534.535802] 00000000fffffff0 0000000000000003 ffffffff81646428 ffffffff812689cb
[168534.535808] Call Trace:
[168534.535815] [<ffffffff8126986a>] ? menu_select+0x198/0x2c1
[168534.535820] [<ffffffff812689cb>] ? cpuidle_idle_call+0xec/0x179
[168534.535826] [<ffffffff8100d248>] ? cpu_idle+0xa5/0xf2
[168534.535833] [<ffffffff81337604>] ? start_secondary+0x1d5/0x1db
[168534.535836] Code: 28 e0 ff ff 80 e2 08 75 22 31 d2 48 83 c0 10 48 89 d1 0f 01 c8 0f ae f0 48 8b 86 38 e0 ff ff a8 08 75 08 b1 01 4c 89 e8 0f 01 c9 <e8> 71 c8 e7 ff 4c 29 f0 48 89 c7 e8 1f 1a e6 ff 4c 69 e8 40 42
[168534.535881] Call Trace:
[168534.535885] [<ffffffff8126986a>] ? menu_select+0x198/0x2c1
[168534.535890] [<ffffffff812689cb>] ? cpuidle_idle_call+0xec/0x179
[168534.535895] [<ffffffff8100d248>] ? cpu_idle+0xa5/0xf2
[168534.535899] [<ffffffff81337604>] ? start_secondary+0x1d5/0x1db
[168534.535904] NMI backtrace for cpu 5
[168534.535906] CPU 5
[168534.535907] Modules linked in: nls_utf8 udf usb_storage xhci_hcd tun acpi_cpufreq mperf cpufreq_conservative cpufreq_stats cpufreq_powersave cpufreq_userspace parport_pc ppdev lp parport bnep rfcomm uinput deflate zlib_deflate ctr twofish_generic twofish_x86_64_3way twofish_x86_64 twofish_common camellia serpent blowfish_generic blowfish_x86_64 blowfish_common cast5 des_generic cbc cryptd aes_x86_64 aes_generic xcbc rmd160 sha512_generic sha256_generic sha1_ssse3 sha1_generic hmac crypto_null af_key fuse nf_conntrack_ftp nf_conntrack loop dm_crypt dm_mod uvcvideo videodev v4l2_compat_ioctl32 media btusb bluetooth usbhid hid snd_hda_codec_hdmi nvidia(P) snd_hda_codec_conexant arc4 snd_hda_intel mxm_wmi snd_hda_codec snd_seq_midi snd_seq_midi_event snd_rawmidi snd_hwdep snd_pcm_oss sr_mod snd_mixer_oss psmouse snd_seq cdrom i7core_edac snd_pcm snd_seq_device evdev pcspkr serio_raw edac_core iwlwifi thinkpad_acpi battery ac power_supply video snd_page_alloc nvram i2c_i801 ma
c80211 snd_timer iTCO_wdt firewire_ohci iTCO_vendor_support cfg80211 ehci_hcd wmi snd sdhci_pci firewire_core sdhci button crc_itu_t e1000e rfkill processor usbcore mmc_core soundcore i2c_core usb_common ext4 crc16 jbd2 mbcache sd_mod crc_t10dif ahci libahci libata scsi_mod thermal thermal_sys [last unloaded: xhci_hcd]
[168534.535989]
[168534.535992] Pid: 0, comm: swapper/5 Tainted: P O 3.2.0-2-amd64 #1 LENOVO 4389A97/4389A97
[168534.535996] RIP: 0010:[<ffffffff811e9338>] [<ffffffff811e9338>] intel_idle+0xb9/0x119
[168534.536002] RSP: 0018:ffff880132827e68 EFLAGS: 00000046
[168534.536004] RAX: 0000000000000020 RBX: 0000000000000008 RCX: 0000000000000001
[168534.536007] RDX: 0000000000000000 RSI: ffff880132827fd8 RDI: ffffffff81611680
[168534.536010] RBP: 0000000000000003 R08: 0000000000000000 R09: 00000000003d08cc
[168534.536013] R10: 0000000000000046 R11: ffff880132826000 R12: ffff880137d59b70
[168534.536015] R13: 0000000000000020 R14: 1296b729477976e8 R15: 0000000000000005
[168534.536018] FS: 0000000000000000(0000) GS:ffff880137d40000(0000) knlGS:0000000000000000
[168534.536022] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[168534.536024] CR2: 00000000f7672f60 CR3: 0000000001605000 CR4: 00000000000006e0
[168534.536027] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[168534.536030] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[168534.536033] Process swapper/5 (pid: 0, threadinfo ffff880132826000, task ffff880132ff8200)
[168534.536035] Stack:
[168534.536037] 0000000000000000 ffffffff8126986a 0000000000000003 000000003b99fee1
[168534.536042] 0000000000000003 000000053b99fee1 ffff880137d59b70 ffffffff81646330
[168534.536046] 00000000fffffff0 0000000000000003 ffffffff81646428 ffffffff812689cb
[168534.536051] Call Trace:
[168534.536056] [<ffffffff8126986a>] ? menu_select+0x198/0x2c1
[168534.536060] [<ffffffff812689cb>] ? cpuidle_idle_call+0xec/0x179
[168534.536064] [<ffffffff8100d248>] ? cpu_idle+0xa5/0xf2
[168534.536069] [<ffffffff81337604>] ? start_secondary+0x1d5/0x1db
[168534.536072] Code: 28 e0 ff ff 80 e2 08 75 22 31 d2 48 83 c0 10 48 89 d1 0f 01 c8 0f ae f0 48 8b 86 38 e0 ff ff a8 08 75 08 b1 01 4c 89 e8 0f 01 c9 <e8> 71 c8 e7 ff 4c 29 f0 48 89 c7 e8 1f 1a e6 ff 4c 69 e8 40 42
[168534.536105] Call Trace:
[168534.536109] [<ffffffff8126986a>] ? menu_select+0x198/0x2c1
[168534.536113] [<ffffffff812689cb>] ? cpuidle_idle_call+0xec/0x179
[168534.536116] [<ffffffff8100d248>] ? cpu_idle+0xa5/0xf2
[168534.536120] [<ffffffff81337604>] ? start_secondary+0x1d5/0x1db
[168534.536124] NMI backtrace for cpu 7
[168534.536126] CPU 7
[168534.536127] Modules linked in: nls_utf8 udf usb_storage xhci_hcd tun acpi_cpufreq mperf cpufreq_conservative cpufreq_stats cpufreq_powersave cpufreq_userspace parport_pc ppdev lp parport bnep rfcomm uinput deflate zlib_deflate ctr twofish_generic twofish_x86_64_3way twofish_x86_64 twofish_common camellia serpent blowfish_generic blowfish_x86_64 blowfish_common cast5 des_generic cbc cryptd aes_x86_64 aes_generic xcbc rmd160 sha512_generic sha256_generic sha1_ssse3 sha1_generic hmac crypto_null af_key fuse nf_conntrack_ftp nf_conntrack loop dm_crypt dm_mod uvcvideo videodev v4l2_compat_ioctl32 media btusb bluetooth usbhid hid snd_hda_codec_hdmi nvidia(P) snd_hda_codec_conexant arc4 snd_hda_intel mxm_wmi snd_hda_codec snd_seq_midi snd_seq_midi_event snd_rawmidi snd_hwdep snd_pcm_oss sr_mod snd_mixer_oss psmouse snd_seq cdrom i7core_edac snd_pcm snd_seq_device evdev pcspkr serio_raw edac_core iwlwifi thinkpad_acpi battery ac power_supply video snd_page_alloc nvram i2c_i801 ma
c80211 snd_timer iTCO_wdt firewire_ohci iTCO_vendor_support cfg80211 ehci_hcd wmi snd sdhci_pci firewire_core sdhci button crc_itu_t e1000e rfkill processor usbcore mmc_core soundcore i2c_core usb_common ext4 crc16 jbd2 mbcache sd_mod crc_t10dif ahci libahci libata scsi_mod thermal thermal_sys [last unloaded: xhci_hcd]
[168534.536256]
[168534.536260] Pid: 0, comm: swapper/7 Tainted: P O 3.2.0-2-amd64 #1 LENOVO 4389A97/4389A97
[168534.536266] RIP: 0010:[<ffffffff811e9338>] [<ffffffff811e9338>] intel_idle+0xb9/0x119
[168534.536273] RSP: 0018:ffff880132873e68 EFLAGS: 00000046
[168534.536276] RAX: 0000000000000020 RBX: 0000000000000008 RCX: 0000000000000001
[168534.536278] RDX: 0000000000000000 RSI: ffff880132873fd8 RDI: ffffffff81611680
[168534.536281] RBP: 0000000000000003 R08: 0000000000000000 R09: 00000000003d08cb
[168534.536284] R10: 0000000000000046 R11: ffff880132872000 R12: ffff880137dd9b70
[168534.536286] R13: 0000000000000020 R14: 1296b729497e44db R15: 0000000000000007
[168534.536290] FS: 0000000000000000(0000) GS:ffff880137dc0000(0000) knlGS:0000000000000000
[168534.536293] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[168534.536295] CR2: 00000000f7672f60 CR3: 0000000001605000 CR4: 00000000000006e0
[168534.536298] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[168534.536301] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[168534.536304] Process swapper/7 (pid: 0, threadinfo ffff880132872000, task ffff88013286d0a0)
[168534.536306] Stack:
[168534.536308] 0000000000000000 ffffffff8126986a 0000000000000003 000000003b99fb1c
[168534.536313] 0000000000000003 000000073b99fb1c ffff880137dd9b70 ffffffff81646330
[168534.536317] 00000000fffffff0 0000000000000003 ffffffff81646428 ffffffff812689cb
[168534.536322] Call Trace:
[168534.536326] [<ffffffff8126986a>] ? menu_select+0x198/0x2c1
[168534.536330] [<ffffffff812689cb>] ? cpuidle_idle_call+0xec/0x179
[168534.536335] [<ffffffff8100d248>] ? cpu_idle+0xa5/0xf2
[168534.536339] [<ffffffff81337604>] ? start_secondary+0x1d5/0x1db
[168534.536342] Code: 28 e0 ff ff 80 e2 08 75 22 31 d2 48 83 c0 10 48 89 d1 0f 01 c8 0f ae f0 48 8b 86 38 e0 ff ff a8 08 75 08 b1 01 4c 89 e8 0f 01 c9 <e8> 71 c8 e7 ff 4c 29 f0 48 89 c7 e8 1f 1a e6 ff 4c 69 e8 40 42
[168534.536376] Call Trace:
[168534.536379] [<ffffffff8126986a>] ? menu_select+0x198/0x2c1
[168534.536383] [<ffffffff812689cb>] ? cpuidle_idle_call+0xec/0x179
[168534.536386] [<ffffffff8100d248>] ? cpu_idle+0xa5/0xf2
[168534.536390] [<ffffffff81337604>] ? start_secondary+0x1d5/0x1db
[168534.536394] NMI backtrace for cpu 1
[168534.536397] CPU 1
[168534.536399] Modules linked in: nls_utf8 udf usb_storage xhci_hcd tun acpi_cpufreq mperf cpufreq_conservative cpufreq_stats cpufreq_powersave cpufreq_userspace parport_pc ppdev lp parport bnep rfcomm uinput deflate zlib_deflate ctr twofish_generic twofish_x86_64_3way twofish_x86_64 twofish_common camellia serpent blowfish_generic blowfish_x86_64 blowfish_common cast5 des_generic cbc cryptd aes_x86_64 aes_generic xcbc rmd160 sha512_generic sha256_generic sha1_ssse3 sha1_generic hmac crypto_null af_key fuse nf_conntrack_ftp nf_conntrack loop dm_crypt dm_mod uvcvideo videodev v4l2_compat_ioctl32 media btusb bluetooth usbhid hid snd_hda_codec_hdmi nvidia(P) snd_hda_codec_conexant arc4 snd_hda_intel mxm_wmi snd_hda_codec snd_seq_midi snd_seq_midi_event snd_rawmidi snd_hwdep snd_pcm_oss sr_mod snd_mixer_oss psmouse snd_seq cdrom i7core_edac snd_pcm snd_seq_device evdev pcspkr serio_raw edac_core iwlwifi thinkpad_acpi battery ac power_supply video snd_page_alloc nvram i2c_i801 ma
c80211 snd_timer iTCO_wdt firewire_ohci iTCO_vendor_support cfg80211 ehci_hcd wmi snd sdhci_pci firewire_core sdhci button crc_itu_t e1000e rfkill processor usbcore mmc_core soundcore i2c_core usb_common ext4 crc16 jbd2 mbcache sd_mod crc_t10dif ahci libahci libata scsi_mod thermal thermal_sys [last unloaded: xhci_hcd]
[168534.536512]
[168534.536515] Pid: 0, comm: swapper/1 Tainted: P O 3.2.0-2-amd64 #1 LENOVO 4389A97/4389A97
[168534.536519] RIP: 0010:[<ffffffff811e9338>] [<ffffffff811e9338>] intel_idle+0xb9/0x119
[168534.536525] RSP: 0018:ffff880132f77e68 EFLAGS: 00000046
[168534.536527] RAX: 0000000000000020 RBX: 0000000000000008 RCX: 0000000000000001
[168534.536530] RDX: 0000000000000000 RSI: ffff880132f77fd8 RDI: ffffffff81611680
[168534.536533] RBP: 0000000000000003 R08: 0000000000000000 R09: 000000000007a111
[168534.536536] R10: ffff880132f6d4e0 R11: ffff880132f76000 R12: ffff880137c59b70
[168534.536539] R13: 0000000000000020 R14: 1296b729375e1989 R15: 0000000000000001
[168534.536543] FS: 0000000000000000(0000) GS:ffff880137c40000(0000) knlGS:0000000000000000
[168534.536546] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[168534.536548] CR2: 00000000f737e4d0 CR3: 0000000001605000 CR4: 00000000000006e0
[168534.536551] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[168534.536554] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[168534.536558] Process swapper/1 (pid: 0, threadinfo ffff880132f76000, task ffff880132f680c0)
[168534.536560] Stack:
[168534.536562] ffffffff810135ce ffffffff8126986a 0000000000000000 000000001dcd2b49
[168534.536567] 0000000000000000 000000011dcd2b49 ffff880137c59b70 ffffffff81646330
[168534.536572] 00000000fffffff0 0000000000000003 ffffffff81646428 ffffffff812689cb
[168534.536577] Call Trace:
[168534.536581] [<ffffffff810135ce>] ? read_tsc+0x5/0x14
[168534.536585] [<ffffffff8126986a>] ? menu_select+0x198/0x2c1
[168534.536589] [<ffffffff812689cb>] ? cpuidle_idle_call+0xec/0x179
[168534.536594] [<ffffffff8100d248>] ? cpu_idle+0xa5/0xf2
[168534.536598] [<ffffffff81337604>] ? start_secondary+0x1d5/0x1db
[168534.536601] Code: 28 e0 ff ff 80 e2 08 75 22 31 d2 48 83 c0 10 48 89 d1 0f 01 c8 0f ae f0 48 8b 86 38 e0 ff ff a8 08 75 08 b1 01 4c 89 e8 0f 01 c9 <e8> 71 c8 e7 ff 4c 29 f0 48 89 c7 e8 1f 1a e6 ff 4c 69 e8 40 42
[168534.536639] Call Trace:
[168534.536642] [<ffffffff810135ce>] ? read_tsc+0x5/0x14
[168534.536646] [<ffffffff8126986a>] ? menu_select+0x198/0x2c1
[168534.536650] [<ffffffff812689cb>] ? cpuidle_idle_call+0xec/0x179
[168534.536654] [<ffffffff8100d248>] ? cpu_idle+0xa5/0xf2
[168534.536658] [<ffffffff81337604>] ? start_secondary+0x1d5/0x1db
echo w >/proc/sysrq-trigger
[168544.444668] SysRq : Show Blocked State
[168544.444673] task PC stack pid father
[168544.444739] sync D ffff880137c93540 0 31351 3747 0x00020000
[168544.444744] ffff880130cf3790 0000000000000086 0000000000000000 ffff880132fa9610
[168544.444749] 0000000000013540 ffff880052393fd8 ffff880052393fd8 ffff880130cf3790
[168544.444754] ffffffff81345042 0000000152393e38 ffff880052393e38 ffff88012abc6868
[168544.444759] Call Trace:
[168544.444768] [<ffffffff81345042>] ? _raw_spin_lock_irq+0xa/0x14
[168544.444774] [<ffffffff81119a77>] ? __sync_filesystem+0x76/0x76
[168544.444778] [<ffffffff81344fae>] ? rwsem_down_failed_common+0xe0/0x114
[168544.444782] [<ffffffff81119a77>] ? __sync_filesystem+0x76/0x76
[168544.444787] [<ffffffff811af8d4>] ? call_rwsem_down_read_failed+0x14/0x30
[168544.444792] [<ffffffff81344934>] ? down_read+0x17/0x19
[168544.444797] [<ffffffff810faca6>] ? iterate_supers+0x4e/0xab
[168544.444801] [<ffffffff81119aed>] ? sys_sync+0x29/0x57
[168544.444806] [<ffffffff8134c3f0>] ? sysenter_dispatch+0x7/0x2e
[168544.444811] Sched Debug Version: v0.10, 3.2.0-2-amd64 #1
[168544.444813] ktime : 168701367.659282
[168544.444816] sched_clk : 168544444.809932
[168544.444818] cpu_clk : 168544444.809981
[168544.444821] jiffies : 4337067637
[168544.444823] sched_clock_stable : 1
[168544.444824]
[168544.444826] sysctl_sched
[168544.444828] .sysctl_sched_latency : 24.000000
[168544.444830] .sysctl_sched_min_granularity : 3.000000
[168544.444832] .sysctl_sched_wakeup_granularity : 4.000000
[168544.444834] .sysctl_sched_child_runs_first : 0
[168544.444836] .sysctl_sched_features : 24119
[168544.444839] .sysctl_sched_tunable_scaling : 1 (logaritmic)
[168544.444842]
[168544.444842] cpu#0, 1595.966 MHz
[168544.444844] .nr_running : 1
[168544.444846] .load : 1024
[168544.444848] .nr_switches : 23884259
[168544.444850] .nr_load_updates : 2102073
[168544.444852] .nr_uninterruptible : -194
[168544.444854] .next_balance : 4337.067644
[168544.444856] .curr->pid : 31334
[168544.444859] .clock : 168544444.241896
[168544.444861] .cpu_load[0] : 1024
[168544.444863] .cpu_load[1] : 1024
[168544.444864] .cpu_load[2] : 1024
[168544.444866] .cpu_load[3] : 1024
[168544.444868] .cpu_load[4] : 1024
[168544.444871]
[168544.444871] cfs_rq[0]:/
[168544.444873] .exec_clock : 0.000000
[168544.444875] .MIN_vruntime : 0.000001
[168544.444878] .min_vruntime : 1680537.628145
[168544.444880] .max_vruntime : 0.000001
[168544.444882] .spread : 0.000000
[168544.444884] .spread0 : 0.000000
[168544.444886] .nr_spread_over : 0
[168544.444888] .nr_running : 1
[168544.444890] .load : 1024
[168544.444892] .load_avg : 0.000000
[168544.444894] .load_period : 0.000000
[168544.444896] .load_contrib : 0
[168544.444898] .load_tg : 0
[168544.444899]
[168544.444900] rt_rq[0]:
[168544.444902] .rt_nr_running : 0
[168544.444904] .rt_throttled : 0
[168544.444906] .rt_time : 0.000000
[168544.444908] .rt_runtime : 950.000000
[168544.444910]
[168544.444911] runnable tasks:
[168544.444912] task PID tree-key switches prio exec-runtime sum-exec sum-sleep
[168544.444914] ----------------------------------------------------------------------------------------------------------
[168544.444924] R mount 31334 1680537.628145 11780 120 0 0 0.000000 0.000000 0.000000 /
[168544.444932]
[168544.444933] cpu#1, 1595.966 MHz
[168544.444935] .nr_running : 0
[168544.444937] .load : 0
[168544.444939] .nr_switches : 2678757
[168544.444941] .nr_load_updates : 1611337
[168544.444943] .nr_uninterruptible : 20
[168544.444945] .next_balance : 4337.067364
[168544.444947] .curr->pid : 0
[168544.444949] .clock : 168542626.889950
[168544.444951] .cpu_load[0] : 0
[168544.444953] .cpu_load[1] : 0
[168544.444955] .cpu_load[2] : 0
[168544.444957] .cpu_load[3] : 4
[168544.444959] .cpu_load[4] : 12
[168544.444961]
[168544.444961] cfs_rq[1]:/
[168544.444963] .exec_clock : 0.000000
[168544.444965] .MIN_vruntime : 0.000001
[168544.444967] .min_vruntime : 1800347.941770
[168544.444970] .max_vruntime : 0.000001
[168544.444972] .spread : 0.000000
[168544.444974] .spread0 : 119810.313625
[168544.444976] .nr_spread_over : 0
[168544.444978] .nr_running : 0
[168544.444980] .load : 0
[168544.444982] .load_avg : 0.000000
[168544.444986] .load_period : 0.000000
[168544.444988] .load_contrib : 0
[168544.444989] .load_tg : 0
[168544.444990]
[168544.444991] rt_rq[1]:
[168544.444992] .rt_nr_running : 0
[168544.444993] .rt_throttled : 0
[168544.444995] .rt_time : 0.000000
[168544.444996] .rt_runtime : 950.000000
[168544.444998]
[168544.444998] runnable tasks:
[168544.444999] task PID tree-key switches prio exec-runtime sum-exec sum-sleep
[168544.445000] ----------------------------------------------------------------------------------------------------------
[168544.445008]
[168544.445008] cpu#2, 1595.966 MHz
[168544.445009] .nr_running : 0
[168544.445011] .load : 0
[168544.445012] .nr_switches : 16067322
[168544.445014] .nr_load_updates : 1458998
[168544.445015] .nr_uninterruptible : 59
[168544.445016] .next_balance : 4337.067638
[168544.445018] .curr->pid : 0
[168544.445019] .clock : 168544444.907378
[168544.445021] .cpu_load[0] : 0
[168544.445022] .cpu_load[1] : 0
[168544.445023] .cpu_load[2] : 0
[168544.445025] .cpu_load[3] : 0
[168544.445026] .cpu_load[4] : 0
[168544.445027]
[168544.445028] cfs_rq[2]:/
[168544.445029] .exec_clock : 0.000000
[168544.445031] .MIN_vruntime : 0.000001
[168544.445032] .min_vruntime : 1086426.944766
[168544.445034] .max_vruntime : 0.000001
[168544.445035] .spread : 0.000000
[168544.445037] .spread0 : -594110.683379
[168544.445038] .nr_spread_over : 0
[168544.445040] .nr_running : 0
[168544.445041] .load : 0
[168544.445042] .load_avg : 0.000000
[168544.445044] .load_period : 0.000000
[168544.445045] .load_contrib : 0
[168544.445047] .load_tg : 0
[168544.445048]
[168544.445048] rt_rq[2]:
[168544.445049] .rt_nr_running : 0
[168544.445051] .rt_throttled : 0
[168544.445052] .rt_time : 0.000000
[168544.445054] .rt_runtime : 950.000000
[168544.445055]
[168544.445056] runnable tasks:
[168544.445056] task PID tree-key switches prio exec-runtime sum-exec sum-sleep
[168544.445058] ----------------------------------------------------------------------------------------------------------
[168544.445065]
[168544.445066] cpu#3, 1595.966 MHz
[168544.445067] .nr_running : 0
[168544.445068] .load : 0
[168544.445069] .nr_switches : 2579682
[168544.445071] .nr_load_updates : 1508224
[168544.445072] .nr_uninterruptible : 30
[168544.445074] .next_balance : 4337.067434
[168544.445075] .curr->pid : 0
[168544.445077] .clock : 168544444.725393
[168544.445078] .cpu_load[0] : 0
[168544.445079] .cpu_load[1] : 0
[168544.445081] .cpu_load[2] : 0
[168544.445082] .cpu_load[3] : 0
[168544.445083] .cpu_load[4] : 0
[168544.445084]
[168544.445085] cfs_rq[3]:/
[168544.445086] .exec_clock : 0.000000
[168544.445088] .MIN_vruntime : 0.000001
[168544.445089] .min_vruntime : 1770751.579741
[168544.445091] .max_vruntime : 0.000001
[168544.445092] .spread : 0.000000
[168544.445094] .spread0 : 90213.951596
[168544.445095] .nr_spread_over : 0
[168544.445097] .nr_running : 0
[168544.445098] .load : 0
[168544.445099] .load_avg : 0.000000
[168544.445101] .load_period : 0.000000
[168544.445102] .load_contrib : 0
[168544.445104] .load_tg : 0
[168544.445105]
[168544.445105] rt_rq[3]:
[168544.445107] .rt_nr_running : 0
[168544.445108] .rt_throttled : 0
[168544.445109] .rt_time : 0.000000
[168544.445111] .rt_runtime : 950.000000
[168544.445113]
[168544.445113] runnable tasks:
[168544.445114] task PID tree-key switches prio exec-runtime sum-exec sum-sleep
[168544.445115] ----------------------------------------------------------------------------------------------------------
[168544.445122]
[168544.445123] cpu#4, 1595.966 MHz
[168544.445124] .nr_running : 0
[168544.445125] .load : 0
[168544.445127] .nr_switches : 10732144
[168544.445128] .nr_load_updates : 1363439
[168544.445129] .nr_uninterruptible : 44
[168544.445131] .next_balance : 4337.067599
[168544.445132] .curr->pid : 0
[168544.445134] .clock : 168544444.881674
[168544.445135] .cpu_load[0] : 0
[168544.445137] .cpu_load[1] : 0
[168544.445138] .cpu_load[2] : 0
[168544.445139] .cpu_load[3] : 0
[168544.445140] .cpu_load[4] : 0
[168544.445142]
[168544.445142] cfs_rq[4]:/
[168544.445143] .exec_clock : 0.000000
[168544.445145] .MIN_vruntime : 0.000001
[168544.445147] .min_vruntime : 925863.304855
[168544.445148] .max_vruntime : 0.000001
[168544.445150] .spread : 0.000000
[168544.445151] .spread0 : -754674.323290
[168544.445153] .nr_spread_over : 0
[168544.445154] .nr_running : 0
[168544.445155] .load : 0
[168544.445157] .load_avg : 0.000000
[168544.445158] .load_period : 0.000000
[168544.445160] .load_contrib : 0
[168544.445161] .load_tg : 0
[168544.445162]
[168544.445163] rt_rq[4]:
[168544.445164] .rt_nr_running : 0
[168544.445165] .rt_throttled : 0
[168544.445166] .rt_time : 0.000000
[168544.445171] .rt_runtime : 950.000000
[168544.445174]
[168544.445174] runnable tasks:
[168544.445175] task PID tree-key switches prio exec-runtime sum-exec sum-sleep
[168544.445177] ----------------------------------------------------------------------------------------------------------
[168544.445187]
[168544.445188] cpu#5, 1595.966 MHz
[168544.445189] .nr_running : 0
[168544.445191] .load : 0
[168544.445193] .nr_switches : 3119987
[168544.445195] .nr_load_updates : 1384663
[168544.445197] .nr_uninterruptible : 20
[168544.445199] .next_balance : 4337.067380
[168544.445201] .curr->pid : 0
[168544.445203] .clock : 168543410.268933
[168544.445205] .cpu_load[0] : 0
[168544.445207] .cpu_load[1] : 0
[168544.445209] .cpu_load[2] : 0
[168544.445210] .cpu_load[3] : 0
[168544.445212] .cpu_load[4] : 0
[168544.445219]
[168544.445220] cfs_rq[5]:/
[168544.445223] .exec_clock : 0.000000
[168544.445227] .MIN_vruntime : 0.000001
[168544.445231] .min_vruntime : 1702386.311043
[168544.445235] .max_vruntime : 0.000001
[168544.445239] .spread : 0.000000
[168544.445243] .spread0 : 21847.772156
[168544.445250] .nr_spread_over : 0
[168544.445252] .nr_running : 0
[168544.445253] .load : 0
[168544.445255] .load_avg : 0.000000
[168544.445257] .load_period : 0.000000
[168544.445259] .load_contrib : 0
[168544.445261] .load_tg : 0
[168544.445263]
[168544.445264] rt_rq[5]:
[168544.445265] .rt_nr_running : 0
[168544.445267] .rt_throttled : 0
[168544.445269] .rt_time : 0.000000
[168544.445271] .rt_runtime : 950.000000
[168544.445273]
[168544.445274] runnable tasks:
[168544.445275] task PID tree-key switches prio exec-runtime sum-exec sum-sleep
[168544.445277] ----------------------------------------------------------------------------------------------------------
[168544.445287]
[168544.445287] cpu#6, 1595.966 MHz
[168544.445289] .nr_running : 1
[168544.445294] .load : 1024
[168544.445295] .nr_switches : 9752028
[168544.445297] .nr_load_updates : 1444582
[168544.445298] .nr_uninterruptible : 10
[168544.445299] .next_balance : 4337.067557
[168544.445301] .curr->pid : 31410
[168544.445302] .clock : 168544444.566224
[168544.445304] .cpu_load[0] : 0
[168544.445305] .cpu_load[1] : 0
[168544.445306] .cpu_load[2] : 0
[168544.445308] .cpu_load[3] : 0
[168544.445309] .cpu_load[4] : 0
[168544.445310]
[168544.445311] cfs_rq[6]:/
[168544.445312] .exec_clock : 0.000000
[168544.445314] .MIN_vruntime : 0.000001
[168544.445315] .min_vruntime : 976105.770350
[168544.445317] .max_vruntime : 0.000001
[168544.445318] .spread : 0.000000
[168544.445320] .spread0 : -704432.768537
[168544.445321] .nr_spread_over : 0
[168544.445323] .nr_running : 1
[168544.445324] .load : 1024
[168544.445325] .load_avg : 0.000000
[168544.445327] .load_period : 0.000000
[168544.445328] .load_contrib : 0
[168544.445330] .load_tg : 0
[168544.445331]
[168544.445331] rt_rq[6]:
[168544.445333] .rt_nr_running : 0
[168544.445334] .rt_throttled : 0
[168544.445335] .rt_time : 0.000000
[168544.445337] .rt_runtime : 950.000000
[168544.445338]
[168544.445339] runnable tasks:
[168544.445340] task PID tree-key switches prio exec-runtime sum-exec sum-sleep
[168544.445341] ----------------------------------------------------------------------------------------------------------
[168544.445348] R bash 31410 976098.499282 327 120 0 0 0.000000 0.000000 0.000000 /
[168544.445353]
[168544.445354] cpu#7, 1595.966 MHz
[168544.445355] .nr_running : 0
[168544.445357] .load : 0
[168544.445358] .nr_switches : 2832824
[168544.445359] .nr_load_updates : 1416840
[168544.445361] .nr_uninterruptible : 12
[168544.445362] .next_balance : 4337.067380
[168544.445364] .curr->pid : 0
[168544.445365] .clock : 168543410.273706
[168544.445367] .cpu_load[0] : 0
[168544.445368] .cpu_load[1] : 0
[168544.445369] .cpu_load[2] : 0
[168544.445371] .cpu_load[3] : 0
[168544.445372] .cpu_load[4] : 0
[168544.445373]
[168544.445374] cfs_rq[7]:/
[168544.445375] .exec_clock : 0.000000
[168544.445377] .MIN_vruntime : 0.000001
[168544.445378] .min_vruntime : 1824729.295336
[168544.445380] .max_vruntime : 0.000001
[168544.445381] .spread : 0.000000
[168544.445383] .spread0 : 144190.756449
[168544.445384] .nr_spread_over : 0
[168544.445386] .nr_running : 0
[168544.445387] .load : 0
[168544.445388] .load_avg : 0.000000
[168544.445390] .load_period : 0.000000
[168544.445391] .load_contrib : 0
[168544.445393] .load_tg : 0
[168544.445394]
[168544.445394] rt_rq[7]:
[168544.445395] .rt_nr_running : 0
[168544.445397] .rt_throttled : 0
[168544.445398] .rt_time : 0.000000
[168544.445400] .rt_runtime : 950.000000
[168544.445401]
[168544.445402] runnable tasks:
[168544.445403] task PID tree-key switches prio exec-runtime sum-exec sum-sleep
[168544.445404] ----------------------------------------------------------------------------------------------------------
[168544.445411]
[168564.178876] INFO: task sync:31351 blocked for more than 120 seconds.
[168564.178880] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[168564.178883] sync D ffff880137c93540 0 31351 3747 0x00020000
[168564.178888] ffff880130cf3790 0000000000000086 0000000000000000 ffff880132fa9610
[168564.178894] 0000000000013540 ffff880052393fd8 ffff880052393fd8 ffff880130cf3790
[168564.178898] ffffffff81345042 0000000152393e38 ffff880052393e38 ffff88012abc6868
[168564.178903] Call Trace:
[168564.178912] [<ffffffff81345042>] ? _raw_spin_lock_irq+0xa/0x14
[168564.178918] [<ffffffff81119a77>] ? __sync_filesystem+0x76/0x76
[168564.178922] [<ffffffff81344fae>] ? rwsem_down_failed_common+0xe0/0x114
[168564.178926] [<ffffffff81119a77>] ? __sync_filesystem+0x76/0x76
[168564.178932] [<ffffffff811af8d4>] ? call_rwsem_down_read_failed+0x14/0x30
[168564.178936] [<ffffffff81344934>] ? down_read+0x17/0x19
[168564.178941] [<ffffffff810faca6>] ? iterate_supers+0x4e/0xab
[168564.178945] [<ffffffff81119aed>] ? sys_sync+0x29/0x57
[168564.178952] [<ffffffff8134c3f0>] ? sysenter_dispatch+0x7/0x2e
--
Cheers,
Stephen Rothwell sfr@canb.auug.org.au
http://www.canb.auug.org.au/~sfr/
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