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SubjectRe: Fwd: kernel bug when performing heavy IO operations
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The problem does not occur with 6.1.56 lts kernel, not that old as you 
expected.

在 2023/9/27 15:19, Matthew Wilcox 写道:
> On Wed, Sep 27, 2023 at 01:36:52PM +0800, dianlujitao@gmail.com wrote:
>> Hello, I got some logs with 6.5.4 kernel from the official linux package of
>> Arch, no zen patches this time. Full dmesg is uploaded to
>> https://fars.ee/F1yM and below is a small snippet for your convenience, from
>> which PG_offline is no longer set:
>>
>> [177850.039441] BUG: Bad page map in process ld.lld pte:8000000edacc4025
>> pmd:147f96067
>> [177850.039454] page:000000007415dd6c refcount:22 mapcount:-237
>> mapping:00000000b0c37ca6 index:0x1075 pfn:0xedacc4
> It still looks like memory corruption to me. If you go back to an older
> kernel (say 5.10 or 5.15) does the problem go away? It's not really
> dispositive either way, since a newer kernel might drive the hardware
> closer to the edge, but it might give some clue.

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