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Subjectslab corruption on AIO 2.6.0-test5-mm4
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While testing AIO on 2.6.0-test5-mm4 using ext3 file system,
I hung my system. Unfortunately, I did not have sysrq enabled.
I rebooted with sysrq and debug enabled. I hit this slab corruption
message:

Slab corruption: start=cc45df20, expend=cc45dfef, problemat=cc45df58
Last user: [<c0193136>](__aio_put_req+0xa8/0x1b1)
Data: ********************************************************00 00 01
00 00 00
Next: 71 F0 2C .36 31 19 C0 00 00 00 00 00 00 00 00 00 01 10 00 00 02 20
00 00
slab error in check_poison_obj(): cache `kiocb': object was modified
after freegCall Trace:
[<c014e1f9>] check_poison_obj+0x106/0x18f
[<c0192c52>] __aio_get_req+0x27/0x180
[<c0150439>] kmem_cache_alloc+0x192/0x1e4
[<c0192c52>] __aio_get_req+0x27/0x180
[<c01947cd>] io_submit_one+0xb7/0x2d3
[<c0194ac6>] sys_io_submit+0xdd/0x143
[<c03c40b3>] syscall_call+0x7/0xb

I am still testing and will send more email when I get more info.

Daniel

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