Oops on 2.6.21 + DRBD + XFS

From: Laurent Caron
Date: Mon Aug 06 2007 - 04:00:36 EST


Hi,

I'm using an XFS filesystem over DRBD for a few weeks on this machine
and did experience an oops.
--------------------------------------------------------------------
Aug 3 10:59:47 fileserv kernel: Oops: 0002 [#1]
Aug 3 10:59:47 fileserv kernel: SMP
Aug 3 10:59:47 fileserv kernel: CPU: 3
Aug 3 10:59:47 fileserv kernel: EIP: 0060:[<c0164ed0>] Not tainted VLI
Aug 3 10:59:47 fileserv kernel: EFLAGS: 00010082 (2.6.21-dl380-g5-20070628 #1)
Aug 3 10:59:47 fileserv kernel: EIP is at free_block+0x90/0x130
Aug 3 10:59:47 fileserv kernel: eax: d1c3c000 ebx: 00000007 ecx: cb163080 edx: 7c57dcba
Aug 3 10:59:47 fileserv kernel: esi: cb163000 edi: f79f9d40 ebp: f7a1f4b0 esp: f7d3fe3c
Aug 3 10:59:47 fileserv kernel: ds: 007b es: 007b fs: 00d8 gs: 0000 ss: 0068
Aug 3 10:59:47 fileserv kernel: Process kswapd0 (pid: 240, ti=f7d3e000 task=f7c0a0b0 task.ti=f7d3e000)
Aug 3 10:59:47 fileserv kernel: Stack: 00000009 00000000 0000001b f79ed440 00000007 f7a1f494 0000001b f79ed440
Aug 3 10:59:47 fileserv kernel: f7a1e400 c0164be9 00000000 f7a1f480 f79f9d40 f7a1f480 00000246 f7724cc0
Aug 3 10:59:47 fileserv kernel: 00000001 c0164d2a f7724cc0 fa66746c e3234080 c025fa16 00000001 e323409c
Aug 3 10:59:47 fileserv kernel: Call Trace:
Aug 3 10:59:47 fileserv kernel: [<c0164be9>] cache_flusharray+0x59/0xd0
Aug 3 10:59:47 fileserv kernel: [<c0164d2a>] kmem_cache_free+0x5a/0x70
Aug 3 10:59:47 fileserv kernel: [<c025fa16>] xfs_finish_reclaim+0x36/0x170
Aug 3 10:59:47 fileserv kernel: [<c026fe41>] xfs_fs_clear_inode+0x91/0xc0
Aug 3 10:59:47 fileserv kernel: [<c017c063>] clear_inode+0x93/0x140
Aug 3 10:59:47 fileserv kernel: [<c017c38a>] dispose_list+0x1a/0xd0
Aug 3 10:59:47 fileserv kernel: [<c017c5bd>] shrink_icache_memory+0x17d/0x250
Aug 3 10:59:47 fileserv kernel: [<c01522bf>] shrink_slab+0x11f/0x180
Aug 3 10:59:47 fileserv kernel: [<c0152737>] kswapd+0x357/0x450
Aug 3 10:59:47 fileserv kernel: [<c0132260>] autoremove_wake_function+0x0/0x50
Aug 3 10:59:47 fileserv kernel: [<c01523e0>] kswapd+0x0/0x450
Aug 3 10:59:47 fileserv kernel: [<c01320ab>] kthread+0xbb/0xf0
Aug 3 10:59:47 fileserv kernel: [<c0131ff0>] kthread+0x0/0xf0
Aug 3 10:59:47 fileserv kernel: [<c0104cff>] kernel_thread_helper+0x7/0x18
Aug 3 10:59:47 fileserv kernel: =======================
Aug 3 10:59:47 fileserv kernel: Code: 01 f2 8b 02 f6 c4 40 0f 85 a4 00 00 00 8b 02 84 c0 0f 89 a7 00 00 00 8b 72 1c 8b 44 24 28 8b 54 24 0c 8b 7c 82 54 8b 16 8b 46 04 <89> 42 04 89 10 8b 5e 0c c7 06 00 01 10 00 c7 46 04 00 02 20 00
Aug 3 10:59:47 fileserv kernel: EIP: [<c0164ed0>] free_block+0x90/0x130 SS:ESP 0068:f7d3fe3c
-----------------------------------------------

Thanks

Laurent

PS: Can you please cc me while replying.

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