Re: misteriosi messaggi del kernel :-/
Ciao,
anche io noto strani movimenti sul kernel della stable:
vedi post mio di qualche gg. fa:
Debian 6 kernel bug o cosa?: "echo 0 >
/proc/sys/kernel/hung_task_timeout_secs" disables this message.
nel mio caso non ho avuto feedback da nessuno.
Sembrerebbero bug del kernel... ma è strano perchè su internet ho
trovato segnalazioni "vecchiotte" del problema.
In ogni caso mi compaiono solo su macchine molto cariche... in
condizioni di lavoro normali non ho nessun messaggio.
Risulta anche a te?
ciao
Alessandro
2011/7/14 Pol Hallen <debluna@fuckaround.org>:
> qualche idea? (debian stable - Linux 2.6.38.8)
>
> [224137.710958] BUG: unable to handle kernel paging request at 30db0000
> [224137.711071] IP: [<c11594b3>] __percpu_counter_add+0x28/0xa5
> [224137.711160] *pdpt = 00000000259a4001 *pde = 0000000000000000
> [224137.711273] Oops: 0000 [#1] PREEMPT SMP
> [224137.711410] last sysfs file: /sys/devices/virtual/block/md127/md/sync_speed
> [224137.711467] Modules linked in: ipmi_devintf ipmi_si ipmi_msghandler
> binfmt_misc ppdev lp sco bridge stp bnep rfcomm l2cap crc16 tun parport_pc
> parport xt_TCPMSS xt_tcpmss acpi_cpufreq mperf cpufreq_powersave cpufreq_stats
> cpufreq_userspace cpufreq_conservative nf_nat_ftp nf_conntrack_ftp pppoe pppox
> ppp_generic slhc xt_tcpudp ipt_MASQUERADE xt_state iptable_mangle iptable_nat
> nf_nat nf_conntrack_ipv4 nf_conntrack nf_defrag_ipv4 iptable_filter ip_tables
> x_tables fuse firewire_sbp2 loop snd_hda_codec_realtek snd_hda_intel
> snd_hda_codec snd_hwdep snd_pcm snd_seq snd_timer snd_seq_device snd btusb
> bluetooth soundcore snd_page_alloc i2c_i801 rfkill ioatdma i2c_core dca
> tpm_tis tpm psmouse serio_raw pcspkr processor tpm_bios evdev thermal_sys
> button ext3 jbd mbcache raid1 raid456 md_mod async_raid6_recov async_pq
> raid6_pq async_xor xor async_memcpy async_tx sd_mod crc_t10dif sata_sil
> uhci_hcd ahci libahci libata firewire_ohci firewire_core e1000e scsi_mod
> ehci_hcd 3c59x usbcore mii crc_itu_t nls_base [last unloaded: i2c_dev]
> [224137.714878]
> [224137.714925] Pid: 8593, comm: bash Not tainted 2.6.38.8-smooth #1
> Supermicro X8DA3/X8DA3
> [224137.715141] EIP: 0060:[<c11594b3>] EFLAGS: 00010002 CPU: 0
> [224137.715197] EIP is at __percpu_counter_add+0x28/0xa5
> [224137.715250] EAX: 00000000 EBX: f1030908 ECX: 00000000 EDX: 00000001
> [224137.715305] ESI: f2820540 EDI: f1b08558 EBP: 00000028 ESP: f1207d0c
> [224137.715361] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
> [224137.715415] Process bash (pid: 8593, ti=f1206000 task=f720c200
> task.ti=f1206000)
> [224137.715486] Stack:
> [224137.715532] 00000000 00000001 f720c200 f2820540 f1b08558 00000000
> c109b3a6 00000028
> [224137.715834] 00000000 f2820540 f1b08548 c10e3279 f1333600 e08870e0
> de52a400 00000001
> [224137.716134] f893ad10 f1333600 f1333600 de52a400 f1333600 f893adb7
> f1333600 00000000
> [224137.716435] Call Trace:
> [224137.716487] [<c109b3a6>] ? account_page_dirtied+0x3c/0x59
> [224137.716544] [<c10e3279>] ? __set_page_dirty+0x4e/0x80
> [224137.716604] [<f893ad10>] ? T.1054+0x65/0x9b [ext3]
> [224137.716662] [<f893adb7>] ? ext3_handle_error+0x71/0x91 [ext3]
> [224137.716721] [<f893b056>] ? ext3_error+0x3e/0x43 [ext3]
> [224137.716780] [<f893839b>] ? ext3_find_entry+0x27f/0x337 [ext3]
> [224137.716839] [<c100808b>] ? __switch_to+0xd1/0xe2
> [224137.716895] [<c12a38e0>] ? _raw_spin_unlock_irq+0x1e/0x28
> [224137.716952] [<c1031a5a>] ? finish_task_switch+0x36/0x9b
> [224137.717007] [<c103007c>] ? get_parent_ip+0x8/0x19
> [224137.717061] [<c12a62b3>] ? sub_preempt_count+0x74/0x80
> [224137.717115] [<c102b34e>] ? need_resched+0x11/0x1a
> [224137.717169] [<c12a25c9>] ? schedule+0x5b0/0x5c3
> [224137.717222] [<c103007c>] ? get_parent_ip+0x8/0x19
> [224137.717279] [<f8938b61>] ? ext3_lookup+0x24/0xa2 [ext3]
> [224137.717337] [<c10cd88e>] ? d_alloc_and_lookup+0x35/0x4b
> [224137.717392] [<c10cda78>] ? do_lookup+0x1d4/0x201
> [224137.717446] [<c10cf2b4>] ? link_path_walk+0x1ec/0x334
> [224137.717499] [<c10cec79>] ? path_init_rcu+0x9b/0x156
> [224137.717553] [<c10cf5bc>] ? do_path_lookup+0x40/0xdb
> [224137.717607] [<c10cfebd>] ? user_path_at+0x37/0x5f
> [224137.717663] [<c10ad5bb>] ? handle_mm_fault+0x148/0x15a
> [224137.717718] [<c10c9548>] ? vfs_fstatat+0x3d/0x63
> [224137.717772] [<c12a38b8>] ? _raw_spin_unlock_irqrestore+0x22/0x2c
> [224137.717828] [<c10c962a>] ? vfs_stat+0x10/0x12
> [224137.717881] [<c10c963b>] ? sys_stat64+0xf/0x23
> [224137.717935] [<c10c5c9b>] ? fsnotify_access+0x48/0x4f
> [224137.717990] [<c11b2fe0>] ? tty_read+0x0/0xa4
> [224137.718042] [<c10c6a29>] ? vfs_read+0x99/0xd6
> [224137.718094] [<c10c6afc>] ? sys_read+0x3c/0x63
> [224137.718148] [<c12a5f22>] ? do_page_fault+0x0/0x31d
> [224137.718201] [<c100915f>] ? sysenter_do_call+0x12/0x28
> [224137.718254] Code: a3 14 00 55 57 56 53 89 c3 83 ec 08 b8 01 00 00 00 8b 6c
> 24 1c 89 54 24 04 89 0c 24 e8 16 ce 14 00 8b 54 24 04 8b 0c 24 8b 43 14 <64>
> 8b 30 89 f7 c1 ff 1f 01 d6 11 cf 89 e9 c1 f9 1f 39 cf 7f 19
> [224137.720232] EIP: [<c11594b3>] __percpu_counter_add+0x28/0xa5 SS:ESP
> 0068:f1207d0c
> [224137.720363] CR2: 0000000030db0000
> [224137.720413] ---[ end trace a48794553771c44a ]---
> [224137.720467] note: bash[8593] exited with preempt_count 2
> [224137.720541] BUG: scheduling while atomic: bash/8593/0x10000003
> [224137.720595] Modules linked in: ipmi_devintf ipmi_si ipmi_msghandler
> binfmt_misc ppdev lp sco bridge stp bnep rfcomm l2cap crc16 tun parport_pc
> parport xt_TCPMSS xt_tcpmss acpi_cpufreq mperf cpufreq_powersave cpufreq_stats
> cpufreq_userspace cpufreq_conservative nf_nat_ftp nf_conntrack_ftp pppoe pppox
> ppp_generic slhc xt_tcpudp ipt_MASQUERADE xt_state iptable_mangle iptable_nat
> nf_nat nf_conntrack_ipv4 nf_conntrack nf_defrag_ipv4 iptable_filter ip_tables
> x_tables fuse firewire_sbp2 loop snd_hda_codec_realtek snd_hda_intel
> snd_hda_codec snd_hwdep snd_pcm snd_seq snd_timer snd_seq_device snd btusb
> bluetooth soundcore snd_page_alloc i2c_i801 rfkill ioatdma i2c_core dca
> tpm_tis tpm psmouse serio_raw pcspkr processor tpm_bios evdev thermal_sys
> button ext3 jbd mbcache raid1 raid456 md_mod async_raid6_recov async_pq
> raid6_pq async_xor xor async_memcpy async_tx sd_mod crc_t10dif sata_sil
> uhci_hcd ahci libahci libata firewire_ohci firewire_core e1000e scsi_mod
> ehci_hcd 3c59x usbcore mii crc_itu_t nls_base [last unloaded: i2c_dev]
> [224137.721088] Pid: 8593, comm: bash Tainted: G D 2.6.38.8-smooth #1
> [224137.721091] Call Trace:
> [224137.721094] [<c12a20b2>] ? schedule+0x99/0x5c3
> [224137.721098] [<c102b3ff>] ? resched_task+0x46/0x63
> [224137.721103] [<c102ae85>] ? cpuacct_charge+0x1e/0x4d
> [224137.721109] [<c10b67bc>] ? free_pages_and_swap_cache+0x43/0x50
> [224137.721114] [<c1032eff>] ? __cond_resched+0xf/0x19
> [224137.721118] [<c12a26c5>] ? _cond_resched+0x1b/0x24
> [224137.721122] [<c10aa38e>] ? unmap_vmas+0x6cc/0x73a
> [224137.721128] [<c10af203>] ? exit_mmap+0x7a/0xc1
> [224137.721133] [<c1035224>] ? mmput+0x34/0xa8
> [224137.721138] [<c103864e>] ? exit_mm+0xfa/0x102
> [224137.721142] [<c1039f44>] ? do_exit+0x1ef/0x645
> [224137.721147] [<c1037233>] ? kmsg_dump+0xb4/0xbc
> [224137.721152] [<c12a4cf0>] ? oops_end+0x95/0x99
> [224137.721157] [<c1022fed>] ? no_context+0x13b/0x144
> [224137.721161] [<c10230fa>] ? bad_area_nosemaphore+0xa/0xc
> [224137.721166] [<c12a6095>] ? do_page_fault+0x173/0x31d
> [224137.721171] [<c11751ac>] ? vgacon_scroll+0x17d/0x19b
> [224137.721176] [<c12a63db>] ? atomic_notifier_call_chain+0x9/0xc
> [224137.721182] [<c11c0fb1>] ? notify_update+0x1f/0x22
> [224137.721186] [<c11c1215>] ? vt_console_print+0x25f/0x278
> [224137.721191] [<c12a5f22>] ? do_page_fault+0x0/0x31d
> [224137.721196] [<c12a43f3>] ? error_code+0x67/0x6c
> [224137.721202] [<c12a007b>] ? kvm_guest_cpu_init+0xcd/0x10f
> [224137.721207] [<c11594b3>] ? __percpu_counter_add+0x28/0xa5
> [224137.721211] [<c109b3a6>] ? account_page_dirtied+0x3c/0x59
> [224137.721216] [<c10e3279>] ? __set_page_dirty+0x4e/0x80
> [224137.721225] [<f893ad10>] ? T.1054+0x65/0x9b [ext3]
> [224137.721232] [<f893adb7>] ? ext3_handle_error+0x71/0x91 [ext3]
> [224137.721240] [<f893b056>] ? ext3_error+0x3e/0x43 [ext3]
> [224137.721250] [<f893839b>] ? ext3_find_entry+0x27f/0x337 [ext3]
> [224137.721256] [<c100808b>] ? __switch_to+0xd1/0xe2
> [224137.721261] [<c12a38e0>] ? _raw_spin_unlock_irq+0x1e/0x28
> [224137.721266] [<c1031a5a>] ? finish_task_switch+0x36/0x9b
> [224137.721271] [<c103007c>] ? get_parent_ip+0x8/0x19
> [224137.721275] [<c12a62b3>] ? sub_preempt_count+0x74/0x80
> [224137.721279] [<c102b34e>] ? need_resched+0x11/0x1a
> [224137.721283] [<c12a25c9>] ? schedule+0x5b0/0x5c3
> [224137.721287] [<c103007c>] ? get_parent_ip+0x8/0x19
> [224137.721295] [<f8938b61>] ? ext3_lookup+0x24/0xa2 [ext3]
> [224137.721301] [<c10cd88e>] ? d_alloc_and_lookup+0x35/0x4b
> [224137.721306] [<c10cda78>] ? do_lookup+0x1d4/0x201
> [224137.721310] [<c10cf2b4>] ? link_path_walk+0x1ec/0x334
> [224137.721314] [<c10cec79>] ? path_init_rcu+0x9b/0x156
> [224137.721318] [<c10cf5bc>] ? do_path_lookup+0x40/0xdb
> [224137.721322] [<c10cfebd>] ? user_path_at+0x37/0x5f
> [224137.721327] [<c10ad5bb>] ? handle_mm_fault+0x148/0x15a
> [224137.721332] [<c10c9548>] ? vfs_fstatat+0x3d/0x63
> [224137.721336] [<c12a38b8>] ? _raw_spin_unlock_irqrestore+0x22/0x2c
> [224137.721340] [<c10c962a>] ? vfs_stat+0x10/0x12
> [224137.721344] [<c10c963b>] ? sys_stat64+0xf/0x23
> [224137.721348] [<c10c5c9b>] ? fsnotify_access+0x48/0x4f
> [224137.721353] [<c11b2fe0>] ? tty_read+0x0/0xa4
> [224137.721356] [<c10c6a29>] ? vfs_read+0x99/0xd6
> [224137.721360] [<c10c6afc>] ? sys_read+0x3c/0x63
> [224137.721364] [<c12a5f22>] ? do_page_fault+0x0/0x31d
> [224137.721369] [<c100915f>] ? sysenter_do_call+0x12/0x28
>
> Pol
>
>
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