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[Bug 1298972] Missing required logs.

To: kernel-packages@xxxxxxxxxxxxxxxxxxx
From: Brad Figg <brad.figg@xxxxxxxxxxxxx>
Date: Fri, 28 Mar 2014 13:30:07 -0000
Reply-to: Bug 1298972 <1298972@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
This bug is missing log files that will aid in diagnosing the problem.
>From a terminal window please run:

apport-collect 1298972

and then change the status of the bug to 'Confirmed'.

If, due to the nature of the issue you have encountered, you are unable
to run this command, please add a comment stating that fact and change
the bug status to 'Confirmed'.

This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.

** Changed in: linux (Ubuntu)
       Status: New => Incomplete

** Tags added: trusty

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https://bugs.launchpad.net/bugs/1298972

Title:
  stacktrace in ext4: /build/buildd/linux-3.13.0/fs/ext4/ext4_jbd2.c:259
  __ext4_handle_dirty_metadata+0x1a2/0x1c0()

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  I was running an "apt-get dist-upgrade" when the FS suddenly remounted
  to RO. The 2 audit lines are from apt-dater running successively "apt-
  get update" and "apt-get dist-upgrade":

  [153439.007924] type=1006 audit(1396010484.706:46): pid=16029 uid=0 old auid=4294967295 new auid=104 old ses=4294967295 new ses=9 res=1
  [153502.372488] type=1006 audit(1396010548.070:47): pid=16086 uid=0 old auid=4294967295 new auid=104 old ses=4294967295 new ses=10 res=1
  [153523.874714] EXT4-fs error (device vda1): ext4_mb_generate_buddy:756: group 1, 6475 clusters in bitmap, 6473 in gd; block bitmap corrupt.
  [153523.876361] Aborting journal on device vda1-8.
  [153523.889719] EXT4-fs error (device vda1): ext4_journal_check_start:56: Detected aborted journal
  [153523.890881] EXT4-fs (vda1): Remounting filesystem read-only
  [153523.891574] EXT4-fs (vda1): Remounting filesystem read-only
  [153523.892301] ------------[ cut here ]------------
  [153523.892341] WARNING: CPU: 0 PID: 16129 at /build/buildd/linux-3.13.0/fs/ext4/ext4_jbd2.c:259 __ext4_handle_dirty_metadata+0x1a2/0x1c0()
  [153523.892342] Modules linked in: nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_filter ip6_tables xt_tcpudp nf_conntrack_ipv4 nf_defrag_ipv4 xt_owner xt_conntrack nf_conntrack iptable_filter ip_tables x_tables psmouse serio_raw floppy
  [153523.892400] CPU: 0 PID: 16129 Comm: dpkg Not tainted 3.13.0-19-generic #40-Ubuntu
  [153523.892401] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2007
  [153523.892406]  0000000000000009 ffff880000a97ad0 ffffffff81711075 0000000000000000
  [153523.892408]  ffff880000a97b08 ffffffff810662cd ffff88000aca3d00 0000000000000000
  [153523.892410]  ffff88000a653000 ffffffff81835280 00000000000012ea ffff880000a97b18
  [153523.892412] Call Trace:
  [153523.892444]  [<ffffffff81711075>] dump_stack+0x45/0x56
  [153523.892461]  [<ffffffff810662cd>] warn_slowpath_common+0x7d/0xa0
  [153523.892463]  [<ffffffff810663aa>] warn_slowpath_null+0x1a/0x20
  [153523.892466]  [<ffffffff81268112>] __ext4_handle_dirty_metadata+0x1a2/0x1c0
  [153523.892483]  [<ffffffff81240eca>] ? ext4_dirty_inode+0x2a/0x60
  [153523.892486]  [<ffffffff812707d6>] ext4_free_blocks+0x646/0xbf0
  [153523.892488]  [<ffffffff81261ec5>] ext4_ext_rm_leaf+0x4a5/0x860
  [153523.892490]  [<ffffffff81260f87>] ? __ext4_ext_check+0x197/0x330
  [153523.892492]  [<ffffffff812645e0>] ? ext4_ext_remove_space+0xc0/0x7e0
  [153523.892494]  [<ffffffff8126483c>] ext4_ext_remove_space+0x31c/0x7e0
  [153523.892496]  [<ffffffff81266bb0>] ext4_ext_truncate+0xb0/0xe0
  [153523.892498]  [<ffffffff8123f339>] ext4_truncate+0x379/0x3c0
  [153523.892500]  [<ffffffff8123fef1>] ext4_evict_inode+0x491/0x4f0
  [153523.892514]  [<ffffffff811d3ac0>] evict+0xb0/0x1b0
  [153523.892516]  [<ffffffff811d42d5>] iput+0xf5/0x180
  [153523.892525]  [<ffffffff811c8cfe>] do_unlinkat+0x18e/0x2b0
  [153523.892537]  [<ffffffff81020d25>] ? syscall_trace_enter+0x145/0x250
  [153523.892539]  [<ffffffff811c9c56>] SyS_unlink+0x16/0x20
  [153523.892545]  [<ffffffff81721c7f>] tracesys+0xe1/0xe6
  [153523.892547] ---[ end trace 9b25f1487620e754 ]---
  [153523.892582] BUG: unable to handle kernel NULL pointer dereference at 0000000000000028
  [153523.893579] IP: [<ffffffff81256fa1>] __ext4_error_inode+0x31/0x160
  [153523.894350] PGD a06c067 PUD 819d067 PMD 0 
  [153523.894933] Oops: 0000 [#1] SMP 
  [153523.895397] Modules linked in: nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_filter ip6_tables xt_tcpudp nf_conntrack_ipv4 nf_defrag_ipv4 xt_owner xt_conntrack nf_conntrack iptable_filter ip_tables x_tables psmouse serio_raw floppy
  [153523.896276] CPU: 0 PID: 16129 Comm: dpkg Tainted: G        W    3.13.0-19-generic #40-Ubuntu
  [153523.896276] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2007
  [153523.896276] task: ffff880009455fc0 ti: ffff880000a96000 task.ti: ffff880000a96000
  [153523.896276] RIP: 0010:[<ffffffff81256fa1>]  [<ffffffff81256fa1>] __ext4_error_inode+0x31/0x160
  [153523.896276] RSP: 0018:ffff880000a97a88  EFLAGS: 00010296
  [153523.896276] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000082
  [153523.896276] RDX: 00000000000012ea RSI: ffffffff81a6a3e9 RDI: 0000000000000000
  [153523.896276] RBP: ffff880000a97b18 R08: ffffffff81a74110 R09: 0000000000000005
  [153523.896276] R10: 00000000ffffffe2 R11: ffff880000a977fe R12: 0000000000000082
  [153523.896276] R13: ffffffff81835280 R14: 00000000000012ea R15: ffffffff81a74110
  [153523.896276] FS:  00007ff43c02b840(0000) GS:ffff88000b800000(0000) knlGS:0000000000000000
  [153523.896276] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
  [153523.896276] CR2: 0000000000000028 CR3: 0000000008df7000 CR4: 00000000000006f0
  [153523.896276] Stack:
  [153523.896276]  ffff880000a97a90 0000000000000103 9b25f1487620e754 0000000000002e42
  [153523.896276]  000000000000103e 0000000000000092 00000000000001fd ffff88000a653000
  [153523.896276]  ffff880000a97b18 ffffffff81267c22 ffffffff810662df ffff88000aca3d00
  [153523.896276] Call Trace:
  [153523.896276]  [<ffffffff81267c22>] ? ext4_journal_abort_handle+0x42/0xc0
  [153523.896276]  [<ffffffff810662df>] ? warn_slowpath_common+0x8f/0xa0
  [153523.896276]  [<ffffffff8126807f>] __ext4_handle_dirty_metadata+0x10f/0x1c0
  [153523.896276]  [<ffffffff812707d6>] ext4_free_blocks+0x646/0xbf0
  [153523.896276]  [<ffffffff81261ec5>] ext4_ext_rm_leaf+0x4a5/0x860
  [153523.896276]  [<ffffffff81260f87>] ? __ext4_ext_check+0x197/0x330
  [153523.896276]  [<ffffffff812645e0>] ? ext4_ext_remove_space+0xc0/0x7e0
  [153523.896276]  [<ffffffff8126483c>] ext4_ext_remove_space+0x31c/0x7e0
  [153523.896276]  [<ffffffff81266bb0>] ext4_ext_truncate+0xb0/0xe0
  [153523.896276]  [<ffffffff8123f339>] ext4_truncate+0x379/0x3c0
  [153523.896276]  [<ffffffff8123fef1>] ext4_evict_inode+0x491/0x4f0
  [153523.896276]  [<ffffffff811d3ac0>] evict+0xb0/0x1b0
  [153523.896276]  [<ffffffff811d42d5>] iput+0xf5/0x180
  [153523.896276]  [<ffffffff811c8cfe>] do_unlinkat+0x18e/0x2b0
  [153523.896276]  [<ffffffff81020d25>] ? syscall_trace_enter+0x145/0x250
  [153523.896276]  [<ffffffff811c9c56>] SyS_unlink+0x16/0x20
  [153523.896276]  [<ffffffff81721c7f>] tracesys+0xe1/0xe6
  [153523.896276] Code: 48 89 e5 41 57 4d 89 c7 41 56 41 89 d6 41 55 49 89 f5 48 c7 c6 e9 a3 a6 81 41 54 49 89 cc 53 48 89 fb 48 83 ec 68 4c 89 4c 24 60 <48> 8b 47 28 48 8b 57 40 48 8b 80 f8 02 00 00 48 8b 40 68 89 90 
  [153523.896276] RIP  [<ffffffff81256fa1>] __ext4_error_inode+0x31/0x160
  [153523.896276]  RSP <ffff880000a97a88>
  [153523.896276] CR2: 0000000000000028
  [153523.933140] ---[ end trace 9b25f1487620e755 ]---

  
  $ apt-cache policy linux-image-virtual linux-image-3.13.0-19-generic
  linux-image-virtual:
    Installed: 3.13.0.19.23
    Candidate: 3.13.0.19.23
    Version table:
   *** 3.13.0.19.23 0
          500 http://archive.ubuntu.com/ubuntu/ trusty/main amd64 Packages
          100 /var/lib/dpkg/status
  linux-image-3.13.0-19-generic:
    Installed: 3.13.0-19.40
    Candidate: 3.13.0-19.40
    Version table:
   *** 3.13.0-19.40 0
          500 http://archive.ubuntu.com/ubuntu/ trusty/main amd64 Packages
          100 /var/lib/dpkg/status

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References

[Bug 1298972] [NEW] stacktrace in ext4: /build/buildd/linux-3.13.0/fs/ext4/ext4_jbd2.c:259 __ext4_handle_dirty_metadata+0x1a2/0x1c0()
From: Simon Déziel, 2014-03-28