On Wed, 1 Mar 2006 11:36:36 -0600
Dean Roe <[email protected]> wrote:
> I might have hit something similar about a month ago running 2.6.16-rc1.
> At the time I had written this off as a hardware problem since I was using
> a questionable system, but maybe there is a hard-to-hit bug in the anon_vma
> or slab code?
Something is happened again here!
Slab corruption: start=ffff81000d0ffb30, len=104
Redzone: 0x5a2cf071/0x5a2cf071.
Last user: [<ffffffff8015caac>](end_bio_bh_io_sync+0x35/0x39)
000: 6b 6b 6b 2b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
Prev obj: start=ffff81000d0ffab0, len=104
Redzone: 0x170fc2a5/0x170fc2a5.
Last user: [<ffffffff80141b05>](mempool_alloc+0x44/0xdf)
000: 3e db d8 05 00 00 00 00 00 00 00 00 00 00 00 00
010: 58 a6 f1 1f 00 81 ff ff 09 00 00 00 00 00 00 00
Next obj: start=ffff81000d0ffbb0, len=104
Redzone: 0x5a2cf071/0x5a2cf071.
Last user: [<ffffffff8015caac>](end_bio_bh_io_sync+0x35/0x39)
000: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
010: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
Slab corruption: start=ffff81000d0ffb30, len=104
Redzone: 0x5a2cf071/0x5a2cf071.
Last user: [<ffffffff8015caac>](end_bio_bh_io_sync+0x35/0x39)
000: 6b 6b 6b 2b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
Prev obj: start=ffff81000d0ffab0, len=104
Redzone: 0x5a2cf071/0x5a2cf071.
Last user: [<ffffffff8015caac>](end_bio_bh_io_sync+0x35/0x39)
000: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
010: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
Next obj: start=ffff81000d0ffbb0, len=104
Redzone: 0x5a2cf071/0x5a2cf071.
Last user: [<ffffffff8015caac>](end_bio_bh_io_sync+0x35/0x39)
000: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
010: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
Mmmm... I'm going to disable CPU freq scaling, it's the only thing I've
recently enabled, maybe it's causing some kind of instability ?!
--
Paolo Ornati
Linux 2.6.16-rc5-g800d1142 on x86_64
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