On 11/5/07, David Chinner <[email protected]> wrote:
> On Sun, Nov 04, 2007 at 12:19:19PM +0100, Torsten Kaiser wrote:
> > I can now confirm, that I see this also with the current mainline-git-version
> > I used 2.6.24-rc1-git-b4f555081fdd27d13e6ff39d455d5aefae9d2c0c
> > plus the fix for the sg changes in ieee1394.
>
> Ok, so it's probably a side effect of the writeback changes.
>
> Attached are two patches (two because one was in a separate patchset as
> a standalone change) that should prevent async writeback from blocking
> on locked inode cluster buffers. Apply the xfs-factor-inotobp patch first.
> Can you see if this fixes the problem?
Applied both patches against the kernel mentioned above.
This blows up at boot:
[ 80.807589] Filesystem "dm-0": Disabling barriers, not supported by
the underlying device
[ 80.820241] XFS mounting filesystem dm-0
[ 80.913144] ------------[ cut here ]------------
[ 80.914932] kernel BUG at drivers/md/raid5.c:143!
[ 80.916751] invalid opcode: 0000 [1] SMP
[ 80.918338] CPU 3
[ 80.919142] Modules linked in:
[ 80.920345] Pid: 974, comm: md1_raid5 Not tainted 2.6.24-rc1 #3
[ 80.922628] RIP: 0010:[<ffffffff804b6ee4>] [<ffffffff804b6ee4>]
__release_stripe+0x164/0x170
[ 80.925935] RSP: 0018:ffff8100060e7dd0 EFLAGS: 00010002
[ 80.927987] RAX: 0000000000000000 RBX: ffff81010141c288 RCX: 0000000000000000
[ 80.930738] RDX: 0000000000000000 RSI: ffff81010141c288 RDI: ffff810004fb3200
[ 80.933488] RBP: ffff810004fb3200 R08: 0000000000000000 R09: 0000000000000005
[ 80.936240] R10: 0000000000000e00 R11: ffffe200038465e8 R12: ffff81010141c298
[ 80.938990] R13: 0000000000000286 R14: ffff810004fb3330 R15: 0000000000000000
[ 80.941741] FS: 000000000060c870(0000) GS:ffff810100313700(0000)
knlGS:0000000000000000
[ 80.944861] CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b
[ 80.947080] CR2: 00007fff7b295000 CR3: 0000000101842000 CR4: 00000000000006e0
[ 80.949830] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 80.952580] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[ 80.955332] Process md1_raid5 (pid: 974, threadinfo
ffff8100060e6000, task ffff81000645c730)
[ 80.958584] Stack: ffff81010141c288 00000000000001f4
ffff810004fb3200 ffffffff804b6f2d
[ 80.961761] 00000000000001f4 ffff81010141c288 ffffffff804c8bd0
0000000000000000
[ 80.964681] ffff8100060e7ee8 ffffffff804bd094 ffff81000645c730
ffff8100060e7e70
[ 80.967518] Call Trace:
[ 80.968558] [<ffffffff804b6f2d>] release_stripe+0x3d/0x60
[ 80.970677] [<ffffffff804c8bd0>] md_thread+0x0/0x100
[ 80.972629] [<ffffffff804bd094>] raid5d+0x344/0x450
[ 80.974549] [<ffffffff8023df10>] process_timeout+0x0/0x10
[ 80.976668] [<ffffffff805ae1ca>] schedule_timeout+0x5a/0xd0
[ 80.978855] [<ffffffff804c8bd0>] md_thread+0x0/0x100
[ 80.980807] [<ffffffff804c8c00>] md_thread+0x30/0x100
[ 80.982794] [<ffffffff80249f20>] autoremove_wake_function+0x0/0x30
[ 80.985214] [<ffffffff804c8bd0>] md_thread+0x0/0x100
[ 80.987167] [<ffffffff80249b3b>] kthread+0x4b/0x80
[ 80.989054] [<ffffffff8020c9c8>] child_rip+0xa/0x12
[ 80.990972] [<ffffffff80249af0>] kthread+0x0/0x80
[ 80.992824] [<ffffffff8020c9be>] child_rip+0x0/0x12
[ 80.994743]
[ 80.995588]
[ 80.995588] Code: 0f 0b eb fe 0f 1f 84 00 00 00 00 00 48 83 ec 28
48 89 5c 24
[ 80.999307] RIP [<ffffffff804b6ee4>] __release_stripe+0x164/0x170
[ 81.001711] RSP <ffff8100060e7dd0>
Switching back to unpatched 2.6.23-mm1 boots sucessfull...
Torsten
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