Messages in this thread | | | Date | Wed, 27 Sep 2023 08:19:49 +0100 | From | Matthew Wilcox <> | Subject | Re: Fwd: kernel bug when performing heavy IO operations |
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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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