Public bug reported:

Description:    Ubuntu precise (development branch)
Release:        12.04
ubuntu@ubuntu-sin:~$ apt-cache policy linux-image
linux-image:
  Installato: 3.2.0.8.8
  Candidato:  3.2.0.8.8
  Tabella versione:
 *** 3.2.0.8.8 0
        500 http://archive.ubuntu.com/ubuntu/ precise/main i386 Packages
        100 /var/lib/dpkg/status
ubuntu@ubuntu-sin:~$ lsmod
Module                  Size  Used by
dm_raid45              76451  0
xor                    21860  1 dm_raid45
dm_mirror              21822  0
dm_region_hash         16065  1 dm_mirror
dm_log                 18193  3 dm_raid45,dm_mirror,dm_region_hash
btrfs                 638271  0
zlib_deflate           26622  1 btrfs
libcrc32c              12543  1 btrfs
aic7xxx               126038  0
pata_via               13428  2
8139too                23283  0
8139cp                 26759  0
zram                   18193  1

lspci:

00:00.0 Host bridge: VIA Technologies, Inc. VT8366/A/7 [Apollo KT266/A/333]
00:01.0 PCI bridge: VIA Technologies, Inc. VT8366/A/7 [Apollo KT266/A/333 AGP]
00:07.0 Ethernet controller: Realtek Semiconductor Co., Ltd. 
RTL-8139/8139C/8139C+ (rev 10)
00:0c.0 SCSI storage controller: Adaptec AIC-7892B U160/m (rev 02)
00:10.0 USB controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 
Controller (rev 80)
00:10.1 USB controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 
Controller (rev 80)
00:10.2 USB controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 
Controller (rev 80)
00:10.3 USB controller: VIA Technologies, Inc. USB 2.0 (rev 82)
00:11.0 ISA bridge: VIA Technologies, Inc. VT8235 ISA Bridge
00:11.1 IDE interface: VIA Technologies, Inc. 
VT82C586A/B/VT82C686/A/B/VT823x/A/C PIPC Bus Master IDE (rev 06)
00:11.5 Multimedia audio controller: VIA Technologies, Inc. VT8233/A/8235/8237 
AC97 Audio Controller (rev 50)
01:00.0 VGA compatible controller: ATI Technologies Inc Radeon RV100 QY [Radeon 
7000/VE]


I don't know if is interesting... so i report as bug...

[  769.660021] WARNING: at /build/buildd/linux-3.2.0/fs/buffer.c:1191 
__brelse+0x34/0x40()
[  769.660085] Hardware name: MS-6593
[  769.660133] VFS: brelse: Trying to free free buffer
[  769.660183] Modules linked in: dm_raid45 xor dm_mirror dm_region_hash dm_log 
btrfs zlib_deflate libcrc32c aic7xxx pata_via 8139too 8139cp zram(C)
[  769.660756] Pid: 247, comm: jbd2/sda1-8 Tainted: G         C   
3.2.0-8-generic-pae #14-Ubuntu
[  769.660819] Call Trace:
[  769.660879]  [<c105a2f2>] warn_slowpath_common+0x72/0xa0
[  769.660933]  [<c116f264>] ? __brelse+0x34/0x40
[  769.660986]  [<c116f264>] ? __brelse+0x34/0x40
[  769.661038]  [<c105a3c3>] warn_slowpath_fmt+0x33/0x40
[  769.661092]  [<c116f264>] __brelse+0x34/0x40
[  769.661148]  [<c121482e>] __try_to_free_cp_buf+0x5e/0x60
[  769.661202]  [<c1214879>] journal_clean_one_cp_list+0x49/0x80
[  769.661257]  [<c12148e5>] __jbd2_journal_clean_checkpoint_list+0x35/0x80
[  769.661313]  [<c1212a20>] jbd2_journal_commit_transaction+0x1e0/0x1020
[  769.661374]  [<c10497a1>] ? finish_task_switch+0x41/0xc0
[  769.661430]  [<c15a3809>] ? __schedule+0x2e9/0x620
[  769.661505]  [<c1036218>] ? default_spin_lock_flags+0x8/0x10
[  769.661562]  [<c15a59dd>] ? _raw_spin_lock_irqsave+0x2d/0x40
[  769.661622]  [<c106896b>] ? lock_timer_base.isra.30+0x2b/0x50
[  769.661677]  [<c1069236>] ? try_to_del_timer_sync+0x66/0xd0
[  769.661734]  [<c1216dce>] kjournald2+0x8e/0x1c0
[  769.661789]  [<c10799a0>] ? add_wait_queue+0x50/0x50
[  769.662957]  [<c1216d40>] ? commit_timeout+0x10/0x10
[  769.663009]  [<c107919d>] kthread+0x6d/0x80
[  769.663061]  [<c1079130>] ? flush_kthread_worker+0x80/0x80
[  769.663119]  [<c15ad0be>] kernel_thread_helper+0x6/0x10
[  769.663171] ---[ end trace 6afeacc35a2c97e6 ]---

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

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https://bugs.launchpad.net/bugs/913781

Title:
  kernel 3.2.0-8-generic-pae #14-Ubuntu (working in rescue mode)

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