Messages in this thread | | | Date | Mon, 01 Dec 2003 21:02:40 -0700 | From | "Kevin P. Fleming" <> | Subject | Re: Reproducable OOPS with MD RAID-5 on 2.6.0-test11 |
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Jens Axboe wrote:
> Alright, so no bouncing should be happening. Could you boot with > mem=800m (and reproduce) just to rule it out completely?
Tested with mem=800m, problem still occurs. Additional test was done without device-mapper in place, though, and I could not reproduce the problem! I copied > 500MB of stuff to the XFS filesystem created using the entire /dev/md/0 device without a single unusual message. I then unmounted the filesystem and used pvcreate/vgcreate/lvcreate to make a 3G volume on the array, made an XFS filesystem on it, mounted it, and tried copying data over. The oops message came back.
I'm copying this message to linux-lvm; the original oops message is repeated below for the benefit of those list readers. I've got one more round of testing to do (after the array resyncs itself), which is to try a filesystem other than XFS.
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kernel BUG at fs/bio.c:177! invalid operand: 0000 [#1] CPU: 0 EIP: 0060:[<c014db9a>] Not tainted EFLAGS: 00010246 EIP is at bio_put+0x2c/0x36 eax: 00000000 ebx: f6221080 ecx: c1182180 edx: edcbf780 esi: c577b998 edi: 00000002 ebp: edcbf780 esp: f78ffeb0 ds: 007b es: 007b ss: 0068 Process md0_raid5 (pid: 65, threadinfo=f78fe000 task=f7924080) Stack: c71e2640 c021d88d edcbf780 00000000 00000001 c1182180 00000009 0001000 edcbf780 00000000 00000000 00000000 c014e2fc edcbf780 00000000 00000000 f23a0ff0 f23a0ff0 edcbf7c0 c02ca51d edcbf780 00000000 00000000 00000000 Call Trace: [<c021d88d>] bio_end_io_pagebuf+0x9a/0x138 [<c014e2fc>] bio_endio+0x59/0x7e [<c02ca51d>] clone_endio+0x82/0xb5 [<c02c0dc3>] handle_stripe+0x8f2/0xec0 [<c02c17d1>] raid5d+0x71/0x105 [<c02c898c>] md_thread+0xde/0x15c [<c011984b>] default_wake_function+0x0/0x12 [<c02c88ae>] md_thread+0x0/0x15c [<c0107049>] kernel_thread_helper+0x5/0xb
Code: 0f 0b b1 00 bc 94 34 c0 eb d8 56 53 83 ec 08 8b 44 24 18 8b
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