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[Bill <bill.launchpad@xxxxxxxxx>]

*** This bug is a duplicate of bug 1413008 ***
    https://bugs.launchpad.net/bugs/1413008

This bug also affects me.  I just upgraded to Ubuntu 15.04 a few days
ago.  I created a new btrfs filesystem where I accidentally filled it by
doubling my backup (3TB).  I then deleted one of the backups, and tried
to get a directory listing with ls in the directory that had been
cleared.  My dmesg trace is:

[153577.431806] ------------[ cut here ]------------
[153577.436040] kernel BUG at /build/buildd/linux-3.19.0/fs/btrfs/inode.c:3142!
[153577.436040] invalid opcode: 0000 [#1] SMP
[153577.436040] Modules linked in: nls_utf8 ufs qnx4 hfsplus hfs minix ntfs msdos jfs xfs libcrc32c cfg80211 binfmt_misc snd_hda_codec_analog snd_hda_codec_generic hp_wmi sparse_keymap snd_hda_intel snd_hda_controller snd_hda_codec snd_hwdep snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi kvm snd_seq snd_seq_device serio_raw snd_timer k8temp edac_core edac_mce_amd i2c_piix4 snd soundcore 8250_fintek tpm_infineon shpchp mac_hid nfsd auth_rpcgss nfs_acl lockd grace sunrpc parport_pc ppdev lp parport autofs4 btrfs xor raid6_pq hid_generic usbhid hid amdkfd amd_iommu_v2 psmouse radeon tg3 floppy ahci i2c_algo_bit ptp ttm pps_core wmi drm_kms_helper libahci drm
[153577.436040] CPU: 1 PID: 14763 Comm: btrfs-cleaner Not tainted 3.19.0-18-generic #18-Ubuntu
[153577.436040] Hardware name: Hewlett-Packard HP Compaq dc5850 Small Form Factor/3029h, BIOS 786F6 v01.09 04/09/2008
[153577.436040] task: ffff8800c9236bf0 ti: ffff880104ae0000 task.ti: ffff880104ae0000
[153577.436040] RIP: 0010:[<ffffffffc05cf970>]  [<ffffffffc05cf970>] btrfs_orphan_add+0x1c0/0x1e0 [btrfs]
[153577.436040] RSP: 0018:ffff880104ae3c38  EFLAGS: 00010286
[153577.436040] RAX: 00000000ffffffe4 RBX: ffff88017e988800 RCX: ffff880171a8f000
[153577.436040] RDX: 000000000000910c RSI: 0000000000040000 RDI: ffff880171a8f138
[153577.436040] RBP: ffff880104ae3c78 R08: 000000000001db50 R09: ffff880003081e10
[153577.436040] R10: ffff88019fc9db90 R11: ffffea0002753540 R12: ffff88001514efc0
[153577.436040] R13: ffff880196c0ae70 R14: ffff88017e988c58 R15: 0000000000000001
[153577.436040] FS:  00007fa1534ee700(0000) GS:ffff88019fc80000(0000) knlGS:0000000000000000
[153577.436040] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[153577.436040] CR2: 00000000028c2010 CR3: 00000000c9362000 CR4: 00000000000007e0
[153577.436040] Stack:
[153577.436040]  ffff880104ae3c78 ffffffffc060dc05 ffff880171a8f000 ffff88017e98c800
[153577.436040]  ffff880003081e10 ffff88001514efc0 ffff880102753a00 ffff8801700f51b0
[153577.436040]  ffff880104ae3d08 ffffffffc05b92ca ffff880003081e18 ffff880003081e90
[153577.436040] Call Trace:
[153577.436040]  [<ffffffffc060dc05>] ? lookup_free_space_inode+0x45/0xf0 [btrfs]
[153577.436040]  [<ffffffffc05b92ca>] btrfs_remove_block_group+0x13a/0x760 [btrfs]
[153577.436040]  [<ffffffffc05f2e4a>] btrfs_remove_chunk+0x63a/0x760 [btrfs]
[153577.436040]  [<ffffffffc05b9b39>] btrfs_delete_unused_bgs+0x249/0x270 [btrfs]
[153577.436040]  [<ffffffffc05c20d4>] cleaner_kthread+0x144/0x1a0 [btrfs]
[153577.436040]  [<ffffffffc05c1f90>] ? check_leaf+0x360/0x360 [btrfs]
[153577.436040]  [<ffffffff81094739>] kthread+0xc9/0xe0
[153577.436040]  [<ffffffff81094670>] ? kthread_create_on_node+0x1c0/0x1c0
[153577.436040]  [<ffffffff817c9858>] ret_from_fork+0x58/0x90
[153577.436040]  [<ffffffff81094670>] ? kthread_create_on_node+0x1c0/0x1c0
[153577.436040] Code: 60 04 00 00 e9 b0 fe ff ff 66 90 89 45 c8 f0 41 80 64 24 80 fd 4c 89 e7 e8 9e 21 fe ff 8b 45 c8 e9 1b ff ff ff 66 0f 1f 44 00 00 <0f> 0b b8 f4 ff ff ff e9 10 ff ff ff 4c 89 f7 45 31 f6 e8 49 9a
[153577.436040] RIP  [<ffffffffc05cf970>] btrfs_orphan_add+0x1c0/0x1e0 [btrfs]
[153577.436040]  RSP <ffff880104ae3c38>
[153577.700563] ---[ end trace 244f7d702830c31d ]---


** This bug has been marked a duplicate of bug 1450684
   Btrfs freeze

** This bug is no longer a duplicate of bug 1450684
   Btrfs freeze
** This bug has been marked a duplicate of bug 1413008
   Kernel BUG shortly after mounting btrfs filesystem

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1442884

Title:
  kernel BUG at /build/buildd/linux-3.19.0/fs/btrfs/inode.c:3142!

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  Afte login into lightdm via x11vnc the error accours automatically

  ProblemType: KernelOops
  DistroRelease: Ubuntu 15.04
  Package: linux-image-3.19.0-12-generic (not installed)
  ProcVersionSignature: Ubuntu 3.19.0-13.13-generic 3.19.3
  Uname: Linux 3.19.0-12-generic x86_64
  Annotation: Your system might become unstablenow and might need to be restarted.
  ApportVersion: 2.17-0ubuntu2
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  martin     3278 F.... pulseaudio
   /dev/snd/controlC1:  martin     3278 F.... pulseaudio
  Date: Sat Apr 11 00:11:27 2015
  Failure: oops
  HibernationDevice: RESUME=UUID=719e894c-39fb-4f5b-8fd6-34b58a38b4ff
  InstallationDate: Installed on 2015-03-28 (13 days ago)
  InstallationMedia: Ubuntu-Server 15.04 "Vivid Vervet" - Beta amd64 (20150328)
  MachineType: Gigabyte Technology Co., Ltd. GA-880GA-UD3H
  ProcFB: 0 radeondrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-13-generic root=UUID=424c3581-1d6c-4dfa-ac04-fa5d381662b5 ro nomdmonddf nomdmonisw
  PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon.
  RelatedPackageVersions: kerneloops-daemon 0.12+git20090217-3ubuntu8
  RfKill:
   
  SourcePackage: linux
  Title: [385239.746146] ------------[ cut here ]------------
  UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 03/07/2011
  dmi.bios.vendor: Award Software International, Inc.
  dmi.bios.version: FF
  dmi.board.name: GA-880GA-UD3H
  dmi.board.vendor: Gigabyte Technology Co., Ltd.
  dmi.board.version: x.x
  dmi.chassis.type: 3
  dmi.chassis.vendor: Gigabyte Technology Co., Ltd.
  dmi.modalias: dmi:bvnAwardSoftwareInternational,Inc.:bvrFF:bd03/07/2011:svnGigabyteTechnologyCo.,Ltd.:pnGA-880GA-UD3H:pvr:rvnGigabyteTechnologyCo.,Ltd.:rnGA-880GA-UD3H:rvrx.x:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvr:
  dmi.product.name: GA-880GA-UD3H
  dmi.sys.vendor: Gigabyte Technology Co., Ltd.

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