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[Bug 1513076] UdevDb.txt

To: kernel-packages@xxxxxxxxxxxxxxxxxxx
From: "S. W." <cebit2006@xxxxxxxxxxxx>
Date: Mon, 16 Nov 2015 10:11:53 -0000
Reply-to: Bug 1513076 <1513076@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
apport information

** Attachment added: "UdevDb.txt"
   https://bugs.launchpad.net/bugs/1513076/+attachment/4520045/+files/UdevDb.txt

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https://bugs.launchpad.net/bugs/1513076

Title:
  Ubuntu 14.04.3 - KVM Guest - btrfs - Kernel Panic

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  there are several guests running on this host but this is the only
  14.04. guest. its used to provide a klolab server in a small company
  environment.

  (btw im missing code tags and stuff here)

  lsb_release -rd
  Description:	Ubuntu 14.04.3 LTS
  Release:	14.04

  ...
  [   52.815971] audit: type=1400 audit(1446640264.595:11): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="/usr/lib/NetworkManager/nm-dhcp-client.action" pid=807 comm="apparmor_parser"
  [ 1387.716628] blk_update_request: I/O error, dev vda, sector 7310848
  [ 1387.716667] BTRFS: bdev /dev/vda1 errs: wr 1, rd 0, flush 0, corrupt 0, gen 0
  [ 1387.716742] blk_update_request: I/O error, dev vda, sector 7310880
  [ 1387.716768] BTRFS: bdev /dev/vda1 errs: wr 2, rd 0, flush 0, corrupt 0, gen 0
  [ 1392.020693] blk_update_request: I/O error, dev vda, sector 1379968
  [ 1392.020735] BTRFS: bdev /dev/vda1 errs: wr 3, rd 0, flush 0, corrupt 0, gen 0
  [ 1392.020852] blk_update_request: I/O error, dev vda, sector 3477120
  [ 1392.020864] BTRFS: bdev /dev/vda1 errs: wr 4, rd 0, flush 0, corrupt 0, gen 0
  [ 1392.020918] blk_update_request: I/O error, dev vda, sector 1380096
  [ 1392.020928] BTRFS: bdev /dev/vda1 errs: wr 5, rd 0, flush 0, corrupt 0, gen 0
  [ 1392.020978] blk_update_request: I/O error, dev vda, sector 3477248
  [ 1392.020988] BTRFS: bdev /dev/vda1 errs: wr 6, rd 0, flush 0, corrupt 0, gen 0
  [ 1392.021040] blk_update_request: I/O error, dev vda, sector 1380224
  [ 1392.021054] BTRFS: bdev /dev/vda1 errs: wr 7, rd 0, flush 0, corrupt 0, gen 0
  [ 1392.021097] blk_update_request: I/O error, dev vda, sector 3477376
  [ 1392.021104] BTRFS: bdev /dev/vda1 errs: wr 8, rd 0, flush 0, corrupt 0, gen 0
  [ 1392.021157] blk_update_request: I/O error, dev vda, sector 1380352
  [ 1392.021167] BTRFS: bdev /dev/vda1 errs: wr 9, rd 0, flush 0, corrupt 0, gen 0
  [ 1392.021219] blk_update_request: I/O error, dev vda, sector 3477504
  [ 1392.021250] BTRFS: bdev /dev/vda1 errs: wr 10, rd 0, flush 0, corrupt 0, gen 0
  [ 1392.024316] BTRFS: error (device vda1) in btrfs_commit_transaction:2010: errno=-5 IO failure (Error while writing out transaction)
  [ 1392.024335] BTRFS info (device vda1): forced readonly
  [ 1392.024337] BTRFS warning (device vda1): Skipping commit of aborted transaction.
  [ 1392.024339] ------------[ cut here ]------------
  [ 1392.024421] WARNING: CPU: 0 PID: 156 at /build/linux-lts-vivid-Nr0FoT/linux-lts-vivid-3.19.0/fs/btrfs/super.c:260 __btrfs_abort_transaction+0x54/0x130 [btrfs]()
  [ 1392.024422] BTRFS: Transaction aborted (error -5)
  [ 1392.024424] Modules linked in: snd_hda_codec_generic qxl ppdev snd_hda_intel snd_hda_controller snd_hda_codec snd_hwdep ttm kvm_intel drm_kms_helper snd_pcm serio_raw snd_timer kvm parport_pc pvpanic lp snd drm i2c_piix4 mac_hid soundcore 8250_fintek parport btrfs xor raid6_pq psmouse pata_acpi floppy
  [ 1392.024441] CPU: 0 PID: 156 Comm: btrfs-transacti Not tainted 3.19.0-31-generic #36~14.04.1-Ubuntu
  [ 1392.024442] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.7.5-20150306_163512-brownie 04/01/2014
  [ 1392.024444]  ffffffffc0190f40 ffff880059b1fc58 ffffffff817af3fb 0000000000000000
  [ 1392.024446]  ffff880059b1fca8 ffff880059b1fc98 ffffffff81074daa ffff880059b1fcb8
  [ 1392.024448]  ffff88013af0c000 ffff880036757800 00000000fffffffb ffffffffc018d370
  [ 1392.024450] Call Trace:
  [ 1392.024506]  [<ffffffff817af3fb>] dump_stack+0x45/0x57
  [ 1392.024533]  [<ffffffff81074daa>] warn_slowpath_common+0x8a/0xc0
  [ 1392.024536]  [<ffffffff81074e26>] warn_slowpath_fmt+0x46/0x50
  [ 1392.024548]  [<ffffffff810cad19>] ? vprintk_default+0x29/0x40
  [ 1392.024556]  [<ffffffffc00e0f14>] __btrfs_abort_transaction+0x54/0x130 [btrfs]
  [ 1392.024568]  [<ffffffffc010e1ee>] cleanup_transaction+0x6e/0x2b0 [btrfs]
  [ 1392.024572]  [<ffffffff810b4e30>] ? prepare_to_wait_event+0x110/0x110
  [ 1392.024573]  [<ffffffff810b48c8>] ? __wake_up+0x48/0x60
  [ 1392.024584]  [<ffffffffc010ef15>] btrfs_commit_transaction+0x295/0xa30 [btrfs]
  [ 1392.024594]  [<ffffffffc010a9d5>] transaction_kthread+0x1b5/0x240 [btrfs]
  [ 1392.024607]  [<ffffffffc010a820>] ? btrfs_cleanup_transaction+0x570/0x570 [btrfs]
  [ 1392.024611]  [<ffffffff81093822>] kthread+0xd2/0xf0
  [ 1392.024613]  [<ffffffff81093750>] ? kthread_create_on_node+0x1c0/0x1c0
  [ 1392.024623]  [<ffffffff817b6d18>] ret_from_fork+0x58/0x90
  [ 1392.024626]  [<ffffffff81093750>] ? kthread_create_on_node+0x1c0/0x1c0
  [ 1392.024627] ---[ end trace 947f531859156e9f ]---
  [ 1392.024629] BTRFS: error (device vda1) in cleanup_transaction:1670: errno=-5 IO failure
  [ 1392.024664] BTRFS info (device vda1): delayed_refs has NO entry
  [ 1392.024755] BTRFS info (device vda1): delayed_refs has NO entry
  w@m:~$

  fstab:
  # <file system> <mount point>   <type>  <options>       <dump>  <pass>
  # / was on /dev/vda1 during installation
  UUID=856f7420-xxxx-xxxx-xxxx-3ace68a507a2 /               btrfs	defaults,compress=lzo,space_cache,subvol=@ 0       1
  # /home was on /dev/vda1 during installation
  UUID=856f7420-xxxx-xxxx-xxxx-3ace68a507a2 /home           btrfs defaults,compress=lzo,space_cache,subvol=@home 0       2
  # swap was on /dev/vda5 during installation
  UUID=7813ea97-xxxx-xxxx-xxxx-9fc9120d6c75 none            swap    sw              0       0
  # kolab
  UUID=856f7420-xxxx-xxxx-xxxx-3ace68a507a2 /var/           btrfs defaults,compress=lzo,space_cache,subvolid=261 0       2

  w@m:~$ uname -a
  Linux XXX 3.19.0-31-generic #36~14.04.1-Ubuntu SMP Thu Oct 8 10:21:08 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux

  btrfs-tools:
  Btrfs v3.12

  sudo lspci -vnvn
  [sudo] password for xx:
  sudo: /var/lib/sudo/xx/1 konnte nicht geöffnet werden: Das Dateisystem ist nur lesbar
  00:00.0 Host bridge [0600]: Intel Corporation 440FX - 82441FX PMC [Natoma] [8086:1237] (rev 02)
   Subsystem: Red Hat, Inc Qemu virtual machine [1af4:1100]
   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-

  00:01.0 ISA bridge [0601]: Intel Corporation 82371SB PIIX3 ISA [Natoma/Triton II] [8086:7000]
   Subsystem: Red Hat, Inc Qemu virtual machine [1af4:1100]
   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-

  00:01.1 IDE interface [0101]: Intel Corporation 82371SB PIIX3 IDE [Natoma/Triton II] [8086:7010] (prog-if 80 [Master])
   Subsystem: Red Hat, Inc Qemu virtual machine [1af4:1100]
   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
   Region 0: [virtual] Memory at 000001f0 (32-bit, non-prefetchable) [size=8]
   Region 1: [virtual] Memory at 000003f0 (type 3, non-prefetchable)
   Region 2: [virtual] Memory at 00000170 (32-bit, non-prefetchable) [size=8]
   Region 3: [virtual] Memory at 00000370 (type 3, non-prefetchable)
   Region 4: I/O ports at c120 [size=16]
   Kernel driver in use: ata_piix

  00:01.3 Bridge [0680]: Intel Corporation 82371AB/EB/MB PIIX4 ACPI [8086:7113] (rev 03)
   Subsystem: Red Hat, Inc Qemu virtual machine [1af4:1100]
   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 A routed to IRQ 9
   Kernel driver in use: piix4_smbus

  00:02.0 VGA compatible controller [0300]: Red Hat, Inc. QXL paravirtual graphic card [1b36:0100] (rev 04) (prog-if 00 [VGA controller])
   Subsystem: Red Hat, Inc QEMU Virtual Machine [1af4:1100]
   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-
   Interrupt: pin A routed to IRQ 10
   Region 0: Memory at f4000000 (32-bit, non-prefetchable) [size=64M]
   Region 1: Memory at f8000000 (32-bit, non-prefetchable) [size=64M]
   Region 2: Memory at fc054000 (32-bit, non-prefetchable) [size=8K]
   Region 3: I/O ports at c040 [size=32]
   Expansion ROM at fc040000 [disabled] [size=64K]
   Kernel driver in use: qxl

  00:03.0 Ethernet controller [0200]: Red Hat, Inc Virtio network device [1af4:1000]
   Subsystem: Red Hat, Inc Device [1af4:0001]
   Physical Slot: 3
   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 11
   Region 0: I/O ports at c060 [size=32]
   Region 1: Memory at fc056000 (32-bit, non-prefetchable) [size=4K]
   Expansion ROM at fc000000 [disabled] [size=256K]
   Capabilities: [40] MSI-X: Enable+ Count=3 Masked-
    Vector table: BAR=1 offset=00000000
    PBA: BAR=1 offset=00000800
   Kernel driver in use: virtio-pci

  00:04.0 Audio device [0403]: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) High Definition Audio Controller [8086:2668] (rev 01)
   Subsystem: Red Hat, Inc QEMU Virtual Machine [1af4:1100]
   Physical Slot: 4
   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 31
   Region 0: Memory at fc050000 (32-bit, non-prefetchable) [size=16K]
   Capabilities: [60] MSI: Enable+ Count=1/1 Maskable- 64bit+
    Address: 00000000fee00000  Data: 40b1
   Kernel driver in use: snd_hda_intel

  00:05.0 Communication controller [0780]: Red Hat, Inc Virtio console [1af4:1003]
   Subsystem: Red Hat, Inc Device [1af4:0003]
   Physical Slot: 5
   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 10
   Region 0: I/O ports at c080 [size=32]
   Region 1: Memory at fc057000 (32-bit, non-prefetchable) [size=4K]
   Capabilities: [40] MSI-X: Enable+ Count=2 Masked-
    Vector table: BAR=1 offset=00000000
    PBA: BAR=1 offset=00000800
   Kernel driver in use: virtio-pci

  00:06.0 USB controller [0c03]: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #1 [8086:2934] (rev 03) (prog-if 00 [UHCI])
   Subsystem: Red Hat, Inc QEMU Virtual Machine [1af4:1100]
   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 10
   Region 4: I/O ports at c0a0 [size=32]
   Kernel driver in use: uhci_hcd

  00:06.1 USB controller [0c03]: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #2 [8086:2935] (rev 03) (prog-if 00 [UHCI])
   Subsystem: Red Hat, Inc QEMU Virtual Machine [1af4:1100]
   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 B routed to IRQ 11
   Region 4: I/O ports at c0c0 [size=32]
   Kernel driver in use: uhci_hcd

  00:06.2 USB controller [0c03]: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #3 [8086:2936] (rev 03) (prog-if 00 [UHCI])
   Subsystem: Red Hat, Inc QEMU Virtual Machine [1af4:1100]
   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 C routed to IRQ 11
   Region 4: I/O ports at c0e0 [size=32]
   Kernel driver in use: uhci_hcd

  00:06.7 USB controller [0c03]: Intel Corporation 82801I (ICH9 Family) USB2 EHCI Controller #1 [8086:293a] (rev 03) (prog-if 20 [EHCI])
   Subsystem: Red Hat, Inc QEMU Virtual Machine [1af4:1100]
   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 D routed to IRQ 10
   Region 0: Memory at fc058000 (32-bit, non-prefetchable) [size=4K]
   Kernel driver in use: ehci-pci

  00:07.0 SCSI storage controller [0100]: Red Hat, Inc Virtio block device [1af4:1001]
   Subsystem: Red Hat, Inc Device [1af4:0002]
   Physical Slot: 7
   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 11
   Region 0: I/O ports at c000 [size=64]
   Region 1: Memory at fc059000 (32-bit, non-prefetchable) [size=4K]
   Capabilities: [40] MSI-X: Enable+ Count=2 Masked-
    Vector table: BAR=1 offset=00000000
    PBA: BAR=1 offset=00000800
   Kernel driver in use: virtio-pci

  00:08.0 Unclassified device [00ff]: Red Hat, Inc Virtio memory balloon [1af4:1002]
   Subsystem: Red Hat, Inc Device [1af4:0005]
   Physical Slot: 8
   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 11
   Region 0: I/O ports at c100 [size=32]
   Kernel driver in use: virtio-pci
  --- 
  ApportVersion: 2.14.1-0ubuntu3.18
  Architecture: amd64
  AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1:
  CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211 not found.
  DistroRelease: Ubuntu 14.04
  HibernationDevice: RESUME=UUID=7813ea97-d0d8-448f-9987-9fc9120d6c75
  InstallationDate: Installed on 2015-10-30 (16 days ago)
  InstallationMedia: Ubuntu-Server 14.04.3 LTS "Trusty Tahr" - Beta amd64 (20150805)
  IwConfig:
   eth0      no wireless extensions.
   
   lo        no wireless extensions.
  Lsusb:
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
   Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
   Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
   Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
  MachineType: QEMU Standard PC (i440FX + PIIX, 1996)
  Package: linux (not installed)
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   LANG=de_DE.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 VESA VGA
  ProcKernelCmdLine: BOOT_IMAGE=/@/boot/vmlinuz-4.2.0-18-generic root=UUID=856f7420-4725-4772-9102-3ace68a507a2 ro rootflags=subvol=@
  ProcVersionSignature: Ubuntu 4.2.0-18.22~14.04.1-generic 4.2.3
  PulseList:
   Error: command ['pacmd', 'list'] failed with exit code 1: Home directory not accessible: Permission denied
   No PulseAudio daemon running, or not running as session daemon.
  RelatedPackageVersions:
   linux-restricted-modules-4.2.0-18-generic N/A
   linux-backports-modules-4.2.0-18-generic  N/A
   linux-firmware                            1.127.18
  RfKill:
   
  Tags:  trusty
  Uname: Linux 4.2.0-18-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups:
   
  _MarkForUpload: True
  dmi.bios.date: 04/01/2014
  dmi.bios.vendor: SeaBIOS
  dmi.bios.version: Ubuntu-1.8.2-1ubuntu1
  dmi.chassis.type: 1
  dmi.chassis.vendor: QEMU
  dmi.chassis.version: pc-i440fx-utopic
  dmi.modalias: dmi:bvnSeaBIOS:bvrUbuntu-1.8.2-1ubuntu1:bd04/01/2014:svnQEMU:pnStandardPC(i440FX+PIIX,1996):pvrpc-i440fx-utopic:cvnQEMU:ct1:cvrpc-i440fx-utopic:
  dmi.product.name: Standard PC (i440FX + PIIX, 1996)
  dmi.product.version: pc-i440fx-utopic
  dmi.sys.vendor: QEMU

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References

[Bug 1513076] [NEW] Ubuntu 14.04.3 - KVM Guest - btrfs - Kernel Panic
From: S. W., 2015-11-04