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[Bug 1466364] [NEW] Kernel crash on running mercurial clone on a btrfs file system on a SSD Ubuntu 14.04

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Public bug reported:

On running mercurial commands which add/remove lots of files from the
disk (typically hard linked) the following error shows up. Since btrfs
doesn't really have a fsck utility not sure what I should be running

Jun 18 12:57:27 one kernel: [151416.037158] CPU: 0 PID: 8362 Comm: hg Not tainted 3.13.0-55-generic #92-Ubuntu
Jun 18 12:57:27 one kernel: [151416.038376] Hardware name:                  /DH61WW, BIOS BEH6110H.86A.0035.2012.0112.2206 01/12/2012
Jun 18 12:57:27 one kernel: [151416.039594] task: ffff880082fd6000 ti: ffff8801023d2000 task.ti: ffff8801023d2000
Jun 18 12:57:27 one kernel: [151416.040812] RIP: 0010:[<ffffffff8137287d>]  [<ffffffff8137287d>] memcpy+0xd/0x110
Jun 18 12:57:27 one kernel: [151416.042036] RSP: 0018:ffff8801023d3910  EFLAGS: 00010202
Jun 18 12:57:27 one kernel: [151416.043258] RAX: ffff880168d67dfe RBX: 000000000000009f RCX: 0000000000000013
Jun 18 12:57:27 one kernel: [151416.044491] RDX: 0000000000000007 RSI: 0005080000000000 RDI: ffff880168d67dfe
Jun 18 12:57:27 one kernel: [151416.045727] RBP: ffff8801023d3948 R08: 0000000000001000 R09: ffff8801023d3918
Jun 18 12:57:27 one kernel: [151416.046970] R10: 0000000000000000 R11: 0000000000000003 R12: ffff88008f53bb28
Jun 18 12:57:27 one kernel: [151416.048225] R13: 0000160000000000 R14: ffff880168d67e9d R15: 000000000000009f
Jun 18 12:57:27 one kernel: [151416.049482] FS:  00007fa796d7c740(0000) GS:ffff88021fa00000(0000) knlGS:0000000000000000
Jun 18 12:57:27 one kernel: [151416.050737] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Jun 18 12:57:27 one kernel: [151416.051994] CR2: 00007fa796d9d000 CR3: 000000017f6dd000 CR4: 00000000000407f0
Jun 18 12:57:27 one kernel: [151416.053268] Stack:
Jun 18 12:57:27 one kernel: [151416.054536]  ffffffffa028049c 0000000000001000 ffff88020ebcf800 ffff88020d8273f0
Jun 18 12:57:27 one kernel: [151416.055820]  0000000000000000 ffff88017125f640 ffff880193263720 ffff8801023d3a08
Jun 18 12:57:27 one kernel: [151416.057103]  ffffffffa02653dc 0000000000003188 0000000000000000 0000000000001000
Jun 18 12:57:27 one kernel: [151416.058391] Call Trace:
Jun 18 12:57:27 one kernel: [151416.059686]  [<ffffffffa028049c>] ? read_extent_buffer+0xbc/0x110 [btrfs]
Jun 18 12:57:27 one kernel: [151416.061114]  [<ffffffffa02653dc>] btrfs_get_extent+0x91c/0x970 [btrfs]
Jun 18 12:57:27 one kernel: [151416.062471]  [<ffffffffa027c697>] __do_readpage+0x357/0x730 [btrfs]
Jun 18 12:57:27 one kernel: [151416.063792]  [<ffffffffa0264ac0>] ? btrfs_real_readdir+0x5b0/0x5b0 [btrfs]
Jun 18 12:57:27 one kernel: [151416.065110]  [<ffffffffa027cdf2>] __extent_readpages.constprop.41+0x2a2/0x2c0 [btrfs]
Jun 18 12:57:27 one kernel: [151416.066441]  [<ffffffffa0264ac0>] ? btrfs_real_readdir+0x5b0/0x5b0 [btrfs]
Jun 18 12:57:27 one kernel: [151416.067756]  [<ffffffffa027ec76>] extent_readpages+0x1b6/0x1c0 [btrfs]
Jun 18 12:57:27 one kernel: [151416.069084]  [<ffffffffa0264ac0>] ? btrfs_real_readdir+0x5b0/0x5b0 [btrfs]
Jun 18 12:57:27 one kernel: [151416.070385]  [<ffffffff81197dc3>] ? alloc_pages_current+0xa3/0x160
Jun 18 12:57:27 one kernel: [151416.071699]  [<ffffffffa0262c1f>] btrfs_readpages+0x1f/0x30 [btrfs]
Jun 18 12:57:27 one kernel: [151416.072969]  [<ffffffff8115bb99>] __do_page_cache_readahead+0x1b9/0x260
Jun 18 12:57:27 one kernel: [151416.074213]  [<ffffffff8115c072>] ondemand_readahead+0x152/0x2a0
Jun 18 12:57:27 one kernel: [151416.075455]  [<ffffffff8117ecc8>] ? __vma_link_rb+0xb8/0xe0
Jun 18 12:57:27 one kernel: [151416.076694]  [<ffffffff8115c1f1>] page_cache_sync_readahead+0x31/0x50
Jun 18 12:57:27 one kernel: [151416.077930]  [<ffffffff81151cb5>] generic_file_aio_read+0x4c5/0x700
Jun 18 12:57:27 one kernel: [151416.079243]  [<ffffffff81180f93>] ? mmap_region+0x163/0x600
Jun 18 12:57:27 one kernel: [151416.080603]  [<ffffffff811bda1a>] do_sync_read+0x5a/0x90
Jun 18 12:57:27 one kernel: [151416.081825]  [<ffffffff811be0b5>] vfs_read+0x95/0x160
Jun 18 12:57:27 one kernel: [151416.083037]  [<ffffffff811bebc9>] SyS_read+0x49/0xa0
Jun 18 12:57:27 one kernel: [151416.084231]  [<ffffffff81733d5d>] system_call_fastpath+0x1a/0x1f
Jun 18 12:57:27 one kernel: [151416.085408] Code: 43 4e 5b 5d c3 66 0f 1f 84 00 00 00 00 00 e8 fb fb ff ff eb e2 90 90 90 90 90 90 90 90 90 48 89 f8 48 89 d1 48 c1 e9 03 83 e2 07 <f3> 48 a5 89 d1 f3 a4 c3 20 4c 8b 06 4c 8b 4e 08 4c 8b 56 10 4c
Jun 18 12:57:27 one kernel: [151416.088027] RIP  [<ffffffff8137287d>] memcpy+0xd/0x110
Jun 18 12:57:27 one kernel: [151416.089294]  RSP <ffff8801023d3910>
Jun 18 12:57:27 one kernel: [151416.263462] ---[ end trace 20764feb3a900ca9 ]---

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-3.13.0-55-generic 3.13.0-55.92
ProcVersionSignature: Ubuntu 3.13.0-55.92-generic 3.13.11-ckt20
Uname: Linux 3.13.0-55-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.11
Architecture: amd64
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC0:  bgadmin   25170 F.... pulseaudio
 /dev/snd/controlC1:  bgadmin   25170 F.... pulseaudio
Date: Thu Jun 18 13:00:10 2015
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/@/boot/vmlinuz-3.13.0-55-generic root=UUID=736169b4-5ad3-482b-b86d-7c0c43a98fae ro rootflags=subvol=@ quiet splash vt.handoff=7
RelatedPackageVersions:
 linux-restricted-modules-3.13.0-55-generic N/A
 linux-backports-modules-3.13.0-55-generic  N/A
 linux-firmware                             1.127.12
RfKill:
 
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 01/12/2012
dmi.bios.vendor: Intel Corp.
dmi.bios.version: BEH6110H.86A.0035.2012.0112.2206
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: DH61WW
dmi.board.vendor: Intel Corporation
dmi.board.version: AAG23116-204
dmi.chassis.type: 3
dmi.modalias: dmi:bvnIntelCorp.:bvrBEH6110H.86A.0035.2012.0112.2206:bd01/12/2012:svn:pn:pvr:rvnIntelCorporation:rnDH61WW:rvrAAG23116-204:cvn:ct3:cvr:

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug trusty

-- 
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https://bugs.launchpad.net/bugs/1466364

Title:
  Kernel crash on running mercurial clone on a btrfs file system on a
  SSD Ubuntu 14.04

Status in linux package in Ubuntu:
  New

Bug description:
  On running mercurial commands which add/remove lots of files from the
  disk (typically hard linked) the following error shows up. Since btrfs
  doesn't really have a fsck utility not sure what I should be running

  Jun 18 12:57:27 one kernel: [151416.037158] CPU: 0 PID: 8362 Comm: hg Not tainted 3.13.0-55-generic #92-Ubuntu
  Jun 18 12:57:27 one kernel: [151416.038376] Hardware name:                  /DH61WW, BIOS BEH6110H.86A.0035.2012.0112.2206 01/12/2012
  Jun 18 12:57:27 one kernel: [151416.039594] task: ffff880082fd6000 ti: ffff8801023d2000 task.ti: ffff8801023d2000
  Jun 18 12:57:27 one kernel: [151416.040812] RIP: 0010:[<ffffffff8137287d>]  [<ffffffff8137287d>] memcpy+0xd/0x110
  Jun 18 12:57:27 one kernel: [151416.042036] RSP: 0018:ffff8801023d3910  EFLAGS: 00010202
  Jun 18 12:57:27 one kernel: [151416.043258] RAX: ffff880168d67dfe RBX: 000000000000009f RCX: 0000000000000013
  Jun 18 12:57:27 one kernel: [151416.044491] RDX: 0000000000000007 RSI: 0005080000000000 RDI: ffff880168d67dfe
  Jun 18 12:57:27 one kernel: [151416.045727] RBP: ffff8801023d3948 R08: 0000000000001000 R09: ffff8801023d3918
  Jun 18 12:57:27 one kernel: [151416.046970] R10: 0000000000000000 R11: 0000000000000003 R12: ffff88008f53bb28
  Jun 18 12:57:27 one kernel: [151416.048225] R13: 0000160000000000 R14: ffff880168d67e9d R15: 000000000000009f
  Jun 18 12:57:27 one kernel: [151416.049482] FS:  00007fa796d7c740(0000) GS:ffff88021fa00000(0000) knlGS:0000000000000000
  Jun 18 12:57:27 one kernel: [151416.050737] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
  Jun 18 12:57:27 one kernel: [151416.051994] CR2: 00007fa796d9d000 CR3: 000000017f6dd000 CR4: 00000000000407f0
  Jun 18 12:57:27 one kernel: [151416.053268] Stack:
  Jun 18 12:57:27 one kernel: [151416.054536]  ffffffffa028049c 0000000000001000 ffff88020ebcf800 ffff88020d8273f0
  Jun 18 12:57:27 one kernel: [151416.055820]  0000000000000000 ffff88017125f640 ffff880193263720 ffff8801023d3a08
  Jun 18 12:57:27 one kernel: [151416.057103]  ffffffffa02653dc 0000000000003188 0000000000000000 0000000000001000
  Jun 18 12:57:27 one kernel: [151416.058391] Call Trace:
  Jun 18 12:57:27 one kernel: [151416.059686]  [<ffffffffa028049c>] ? read_extent_buffer+0xbc/0x110 [btrfs]
  Jun 18 12:57:27 one kernel: [151416.061114]  [<ffffffffa02653dc>] btrfs_get_extent+0x91c/0x970 [btrfs]
  Jun 18 12:57:27 one kernel: [151416.062471]  [<ffffffffa027c697>] __do_readpage+0x357/0x730 [btrfs]
  Jun 18 12:57:27 one kernel: [151416.063792]  [<ffffffffa0264ac0>] ? btrfs_real_readdir+0x5b0/0x5b0 [btrfs]
  Jun 18 12:57:27 one kernel: [151416.065110]  [<ffffffffa027cdf2>] __extent_readpages.constprop.41+0x2a2/0x2c0 [btrfs]
  Jun 18 12:57:27 one kernel: [151416.066441]  [<ffffffffa0264ac0>] ? btrfs_real_readdir+0x5b0/0x5b0 [btrfs]
  Jun 18 12:57:27 one kernel: [151416.067756]  [<ffffffffa027ec76>] extent_readpages+0x1b6/0x1c0 [btrfs]
  Jun 18 12:57:27 one kernel: [151416.069084]  [<ffffffffa0264ac0>] ? btrfs_real_readdir+0x5b0/0x5b0 [btrfs]
  Jun 18 12:57:27 one kernel: [151416.070385]  [<ffffffff81197dc3>] ? alloc_pages_current+0xa3/0x160
  Jun 18 12:57:27 one kernel: [151416.071699]  [<ffffffffa0262c1f>] btrfs_readpages+0x1f/0x30 [btrfs]
  Jun 18 12:57:27 one kernel: [151416.072969]  [<ffffffff8115bb99>] __do_page_cache_readahead+0x1b9/0x260
  Jun 18 12:57:27 one kernel: [151416.074213]  [<ffffffff8115c072>] ondemand_readahead+0x152/0x2a0
  Jun 18 12:57:27 one kernel: [151416.075455]  [<ffffffff8117ecc8>] ? __vma_link_rb+0xb8/0xe0
  Jun 18 12:57:27 one kernel: [151416.076694]  [<ffffffff8115c1f1>] page_cache_sync_readahead+0x31/0x50
  Jun 18 12:57:27 one kernel: [151416.077930]  [<ffffffff81151cb5>] generic_file_aio_read+0x4c5/0x700
  Jun 18 12:57:27 one kernel: [151416.079243]  [<ffffffff81180f93>] ? mmap_region+0x163/0x600
  Jun 18 12:57:27 one kernel: [151416.080603]  [<ffffffff811bda1a>] do_sync_read+0x5a/0x90
  Jun 18 12:57:27 one kernel: [151416.081825]  [<ffffffff811be0b5>] vfs_read+0x95/0x160
  Jun 18 12:57:27 one kernel: [151416.083037]  [<ffffffff811bebc9>] SyS_read+0x49/0xa0
  Jun 18 12:57:27 one kernel: [151416.084231]  [<ffffffff81733d5d>] system_call_fastpath+0x1a/0x1f
  Jun 18 12:57:27 one kernel: [151416.085408] Code: 43 4e 5b 5d c3 66 0f 1f 84 00 00 00 00 00 e8 fb fb ff ff eb e2 90 90 90 90 90 90 90 90 90 48 89 f8 48 89 d1 48 c1 e9 03 83 e2 07 <f3> 48 a5 89 d1 f3 a4 c3 20 4c 8b 06 4c 8b 4e 08 4c 8b 56 10 4c
  Jun 18 12:57:27 one kernel: [151416.088027] RIP  [<ffffffff8137287d>] memcpy+0xd/0x110
  Jun 18 12:57:27 one kernel: [151416.089294]  RSP <ffff8801023d3910>
  Jun 18 12:57:27 one kernel: [151416.263462] ---[ end trace 20764feb3a900ca9 ]---

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-55-generic 3.13.0-55.92
  ProcVersionSignature: Ubuntu 3.13.0-55.92-generic 3.13.11-ckt20
  Uname: Linux 3.13.0-55-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.11
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  bgadmin   25170 F.... pulseaudio
   /dev/snd/controlC1:  bgadmin   25170 F.... pulseaudio
  Date: Thu Jun 18 13:00:10 2015
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/@/boot/vmlinuz-3.13.0-55-generic root=UUID=736169b4-5ad3-482b-b86d-7c0c43a98fae ro rootflags=subvol=@ quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-55-generic N/A
   linux-backports-modules-3.13.0-55-generic  N/A
   linux-firmware                             1.127.12
  RfKill:
   
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 01/12/2012
  dmi.bios.vendor: Intel Corp.
  dmi.bios.version: BEH6110H.86A.0035.2012.0112.2206
  dmi.board.asset.tag: To be filled by O.E.M.
  dmi.board.name: DH61WW
  dmi.board.vendor: Intel Corporation
  dmi.board.version: AAG23116-204
  dmi.chassis.type: 3
  dmi.modalias: dmi:bvnIntelCorp.:bvrBEH6110H.86A.0035.2012.0112.2206:bd01/12/2012:svn:pn:pvr:rvnIntelCorporation:rnDH61WW:rvrAAG23116-204:cvn:ct3:cvr:

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References

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