Package: src:linux Version: 3.16.7-ckt2-1 Severity: normal under conditions i can not narrow down further[1], all processes that try to access a given mounted btrfs file system freeze. this affects even processes like `ps u` called by a user not at home in the affected file system inside the first read to an opened /proc/8119/cmdline file. for recovery, i did succede in logging in on the console as another user, but that didn't help much in enumerating my currently open processes. (going through the workspaces on my user's running X session did work, however, as X and i3wm seem not to access the file system a lot). the output of dmesg is attached, the relevant section seems to be: [981640.274876] INFO: task btrfs-transacti:5427 blocked for more than 120 seconds. [981640.274886] Tainted: G O 3.16.0-4-amd64 #1 [981640.274889] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [981640.274892] btrfs-transacti D ffff8800d5a699c8 0 5427 2 0x00000000 [981640.274902] ffff8800d5a69570 0000000000000046 0000000000013280 ffff8800c92f3fd8 [981640.274908] 0000000000013280 ffff8800d5a69570 ffff88012aa3bb40 ffff88012aa3bbb0 [981640.274913] ffff88012aa3b2d0 ffff88012aa3bb40 ffff8800d5a69570 ffff8800d5a69570 [981640.274919] Call Trace: [981640.274994] [<ffffffffa026c335>] ? wait_for_commit.isra.15+0x35/0x60 [btrfs] [981640.275003] [<ffffffff810a5940>] ? prepare_to_wait_event+0xf0/0xf0 [981640.275044] [<ffffffffa026d095>] ? btrfs_commit_transaction+0x1a5/0x9c0 [btrfs] [981640.275077] [<ffffffffa026d940>] ? start_transaction+0x90/0x560 [btrfs] [981640.275112] [<ffffffffa0268efd>] ? transaction_kthread+0x1ad/0x240 [btrfs] [981640.275144] [<ffffffffa0268d50>] ? btrfs_cleanup_transaction+0x530/0x530 [btrfs] [981640.275152] [<ffffffff81085f1d>] ? kthread+0xbd/0xe0 [981640.275159] [<ffffffff81085e60>] ? kthread_create_on_node+0x180/0x180 [981640.275166] [<ffffffff8150d27c>] ? ret_from_fork+0x7c/0xb0 [981640.275172] [<ffffffff81085e60>] ? kthread_create_on_node+0x180/0x180 at no point since startup of the system have btrfs devices been added, removed, or `btrfs send` been invoked. please let me know if i should provide any other log files. (sorry for not reporting this from the original kernel, i took notes in the crashed situation and rebooted into the kernel that has been installed at some point in time, but preserved the dmesg output; the reported linux version and the linux version given below should match the setup from back then, though.) best regards chrysn [1] for sake of completeness, i'll try anyway: logged in as chrysn on an x session, i was running epiphany, had an upload dialog open, entered a file name (which in hindsight was probably nonexistent), pressed return and the dialog froze, along with everything else. -- Package-specific info: ** Version: Linux version 3.16.0-4-amd64 (debian-kernel@lists.debian.org) (gcc version 4.8.3 (Debian 4.8.3-16) ) #1 SMP Debian 3.16.7-ckt2-1 (2014-12-08) ** Command line: BOOT_IMAGE=/vmlinuz-3.16.0-4-amd64 root=/dev/mapper/root ro rootflags=subvol=debian-sid-root quiet thinkpad_acpi.fan_control=1 ** Tainted: O (4096) * Out-of-tree module has been loaded. ** Model information sys_vendor: LENOVO product_name: 20CD0035GE product_version: ThinkPad S1 Yoga chassis_vendor: LENOVO chassis_version: Not Available bios_vendor: LENOVO bios_version: GQET34WW (1.14 ) board_vendor: LENOVO board_name: 20CD0035GE board_version: SDK0E50512 Std ** Loaded modules: vboxpci(O) vboxnetadp(O) vboxnetflt(O) vboxdrv(O) pci_stub ctr ccm tun bnep toshiba_acpi sparse_keymap hp_accel lis3lv02d input_polldev binfmt_misc nls_utf8 nls_cp437 vfat fat ext4 mbcache jbd2 cuse fuse parport_pc ppdev lp parport hid_sensor_incl_3d hid_sensor_magn_3d hid_sensor_rotation hid_sensor_gyro_3d hid_sensor_als hid_sensor_accel_3d hid_sensor_trigger industrialio_triggered_buffer kfifo_buf hid_sensor_iio_common industrialio uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core v4l2_common hid_sensor_hub hid_multitouch videodev media wacom snd_hda_codec_conexant joydev snd_hda_codec_generic snd_hda_codec_hdmi arc4 iTCO_wdt iTCO_vendor_support iwlmvm ecb x86_pkg_temp_thermal mac80211 btusb bluetooth 6lowpan_iphc intel_powerclamp crc16 intel_rapl snd_hda_intel coretemp psmouse kvm_intel evdev i915 iwlwifi drm_kms_helper kvm snd_hda_controller snd_hda_codec thinkpad_acpi serio_raw pcspkr nvram cfg80211 rfkill drm i2c_algo_bit rtsx_pci_ms efi_pstore memstick tpm_tis tpm efivars i2c_i801 i2c_core battery wmi snd_hwdep snd_pcm snd_timer snd soundcore ac mei_me mei lpc_ich video processor intel_smartconnect shpchp button btrfs xor raid6_pq algif_skcipher af_alg dm_crypt dm_mod md_mod sg usbhid hid sd_mod crc_t10dif crct10dif_generic crct10dif_pclmul crct10dif_common crc32_pclmul crc32c_intel rtsx_pci_sdmmc mmc_core ghash_clmulni_intel aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd ahci libahci libata xhci_hcd scsi_mod rtsx_pci mfd_core usbcore usb_common thermal thermal_sys ** PCI devices: 00:00.0 Host bridge [0600]: Intel Corporation Haswell-ULT DRAM Controller [8086:0a04] (rev 09) Subsystem: Lenovo Device [17aa:2217] Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx- Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort+ >SERR- <PERR- INTx- Latency: 0 Capabilities: <access denied> 00:02.0 VGA compatible controller [0300]: Intel Corporation Haswell-ULT Integrated Graphics Controller [8086:0a16] (rev 09) (prog-if 00 [VGA controller]) Subsystem: Lenovo Device [17aa:2217] Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+ Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx- Latency: 0 Interrupt: pin A routed to IRQ 61 Region 0: Memory at f0000000 (64-bit, non-prefetchable) [size=4M] Region 2: Memory at e0000000 (64-bit, prefetchable) [size=256M] Region 4: I/O ports at 3000 [size=64] Expansion ROM at <unassigned> [disabled] Capabilities: <access denied> Kernel driver in use: i915 00:03.0 Audio device [0403]: Intel Corporation Haswell-ULT HD Audio Controller [8086:0a0c] (rev 09) Subsystem: Lenovo Device [17aa:2217] Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+ Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx- Latency: 0, Cache Line Size: 64 bytes Interrupt: pin A routed to IRQ 63 Region 0: Memory at f0610000 (64-bit, non-prefetchable) [size=16K] Capabilities: <access denied> Kernel driver in use: snd_hda_intel 00:14.0 USB controller [0c03]: Intel Corporation 8 Series USB xHCI HC [8086:9c31] (rev 04) (prog-if 30 [XHCI]) Subsystem: Lenovo Device [17aa:2217] Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+ Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx- Latency: 0 Interrupt: pin A routed to IRQ 57 Region 0: Memory at f0600000 (64-bit, non-prefetchable) [size=64K] Capabilities: <access denied> Kernel driver in use: xhci_hcd 00:16.0 Communication controller [0780]: Intel Corporation 8 Series HECI #0 [8086:9c3a] (rev 04) Subsystem: Lenovo Device [17aa:2217] Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+ Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx- Latency: 0 Interrupt: pin A routed to IRQ 59 Region 0: Memory at f0619000 (64-bit, non-prefetchable) [size=32] Capabilities: <access denied> Kernel driver in use: mei_me 00:1b.0 Audio device [0403]: Intel Corporation 8 Series HD Audio Controller [8086:9c20] (rev 04) Subsystem: Lenovo Device [17aa:2217] Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+ Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx- Latency: 0, Cache Line Size: 64 bytes Interrupt: pin A routed to IRQ 62 Region 0: Memory at f0614000 (64-bit, non-prefetchable) [size=16K] Capabilities: <access denied> Kernel driver in use: snd_hda_intel 00:1c.0 PCI bridge [0604]: Intel Corporation 8 Series PCI Express Root Port 1 [8086:9c10] (rev e4) (prog-if 00 [Normal decode]) Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx- Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx- Latency: 0, Cache Line Size: 64 bytes Bus: primary=00, secondary=02, subordinate=02, sec-latency=0 Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort+ <SERR- <PERR- BridgeCtl: Parity- SERR- NoISA- VGA- MAbort- >Reset- FastB2B- PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn- Capabilities: <access denied> Kernel driver in use: pcieport 00:1c.2 PCI bridge [0604]: Intel Corporation 8 Series PCI Express Root Port 3 [8086:9c14] (rev e4) (prog-if 00 [Normal decode]) Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx- Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx- Latency: 0, Cache Line Size: 64 bytes Bus: primary=00, secondary=04, subordinate=04, sec-latency=0 Memory behind bridge: f0500000-f05fffff Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- <SERR- <PERR- BridgeCtl: Parity- SERR- NoISA- VGA- MAbort- >Reset- FastB2B- PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn- Capabilities: <access denied> Kernel driver in use: pcieport 00:1c.3 PCI bridge [0604]: Intel Corporation 8 Series PCI Express Root Port 4 [8086:9c16] (rev e4) (prog-if 00 [Normal decode]) Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx- Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx- Latency: 0, Cache Line Size: 64 bytes Bus: primary=00, secondary=05, subordinate=05, sec-latency=0 Memory behind bridge: f0400000-f04fffff Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- <SERR- <PERR- BridgeCtl: Parity- SERR- NoISA- VGA- MAbort- >Reset- FastB2B- PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn- Capabilities: <access denied> Kernel driver in use: pcieport 00:1f.0 ISA bridge [0601]: Intel Corporation 8 Series LPC Controller [8086:9c43] (rev 04) Subsystem: Lenovo Device [17aa:2217] Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx- Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx- Latency: 0 Capabilities: <access denied> Kernel driver in use: lpc_ich 00:1f.2 SATA controller [0106]: Intel Corporation 8 Series SATA Controller 1 [AHCI mode] [8086:9c03] (rev 04) (prog-if 01 [AHCI 1.0]) Subsystem: Lenovo Device [17aa:2217] Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+ Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx- Latency: 0 Interrupt: pin B routed to IRQ 58 Region 0: I/O ports at 3088 [size=8] Region 1: I/O ports at 3094 [size=4] Region 2: I/O ports at 3080 [size=8] Region 3: I/O ports at 3090 [size=4] Region 4: I/O ports at 3060 [size=32] Region 5: Memory at f061c000 (32-bit, non-prefetchable) [size=2K] Capabilities: <access denied> Kernel driver in use: ahci 00:1f.3 SMBus [0c05]: Intel Corporation 8 Series SMBus Controller [8086:9c22] (rev 04) Subsystem: Lenovo Device [17aa:2217] Control: I/O+ Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx- Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx- Interrupt: pin C routed to IRQ 18 Region 0: Memory at f0618000 (64-bit, non-prefetchable) [size=256] Region 4: I/O ports at efa0 [size=32] 04:00.0 Network controller [0280]: Intel Corporation Wireless 7260 [8086:08b2] (rev 83) Subsystem: Intel Corporation Dual Band Wireless-AC 7260 [8086:4270] Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+ Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx- Latency: 0, Cache Line Size: 64 bytes Interrupt: pin A routed to IRQ 60 Region 0: Memory at f0500000 (64-bit, non-prefetchable) [size=8K] Capabilities: <access denied> Kernel driver in use: iwlwifi 05:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. RTS5227 PCI Express Card Reader [10ec:5227] (rev 01) Subsystem: Lenovo Device [17aa:2217] Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+ Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx- Latency: 0, Cache Line Size: 64 bytes Interrupt: pin A routed to IRQ 56 Region 0: Memory at f0400000 (32-bit, non-prefetchable) [size=4K] Capabilities: <access denied> Kernel driver in use: rtsx_pci ** USB devices: Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 006: ID 056a:00ec Wacom Co., Ltd Bus 001 Device 005: ID 0483:91d1 STMicroelectronics Bus 001 Device 004: ID 0bda:5720 Realtek Semiconductor Corp. Bus 001 Device 003: ID 04f3:0254 Elan Microelectronics Corp. Bus 001 Device 002: ID 8087:07dc Intel Corp. Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub -- System Information: Debian Release: 8.0 APT prefers unstable APT policy: (500, 'unstable'), (1, 'experimental') Architecture: amd64 (x86_64) Foreign Architectures: i386 Kernel: Linux 3.16.0-4-amd64 (SMP w/4 CPU cores) Locale: LANG=en_GB.UTF-8, LC_CTYPE=en_GB.UTF-8 (charmap=UTF-8) Shell: /bin/sh linked to /bin/dash Init: sysvinit (via /sbin/init) Versions of packages linux-image-3.16.0-4-amd64 depends on: ii debconf [debconf-2.0] 1.5.55 ii initramfs-tools [linux-initramfs-tool] 0.118 ii kmod 18-3 ii linux-base 3.5 Versions of packages linux-image-3.16.0-4-amd64 recommends: ii firmware-linux-free 3.3 ii irqbalance 1.0.6-3 Versions of packages linux-image-3.16.0-4-amd64 suggests: pn debian-kernel-handbook <none> ii extlinux 3:6.03+dfsg-5 ii grub-efi 2.02~beta2-20 ii linux-doc-3.16 3.16.7-ckt4-1 Versions of packages linux-image-3.16.0-4-amd64 is related to: pn firmware-atheros <none> pn firmware-bnx2 <none> pn firmware-bnx2x <none> pn firmware-brcm80211 <none> pn firmware-intelwimax <none> pn firmware-ipw2x00 <none> pn firmware-ivtv <none> ii firmware-iwlwifi 0.43 pn firmware-libertas <none> pn firmware-linux <none> ii firmware-linux-nonfree 0.43 pn firmware-myricom <none> pn firmware-netxen <none> pn firmware-qlogic <none> pn firmware-ralink <none> pn firmware-realtek <none> pn xen-hypervisor <none> -- debconf information: linux-image-3.16.0-4-amd64/postinst/mips-initrd-3.16.0-4-amd64: linux-image-3.16.0-4-amd64/prerm/removing-running-kernel-3.16.0-4-amd64: true linux-image-3.16.0-4-amd64/postinst/depmod-error-initrd-3.16.0-4-amd64: false
Attachment:
dmesg.out.gz
Description: application/gzip
Attachment:
signature.asc
Description: Digital signature