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[failed, exit status 1]- output mismatch (see = /root/xfstests-dev/results//btrfs/080.out.bad) >> --- tests/btrfs/080.out 2024-08-29 09:10:14.933333334 +0800 >> +++ /root/xfstests-dev/results//btrfs/080.out.bad 2025-02-14 = 12:53:24.667572260 +0800 >> @@ -1,2 +1,3 @@ >> QA output created by 080 >> -Silence is golden >> +Unexpected digest for file = /mnt/scratch/12_52_59_984815662_snap/foobar_39 >> +(see /root/xfstests-dev/results//btrfs/080.full for details) >> ... >> (Run 'diff -u /root/xfstests-dev/tests/btrfs/080.out = /root/xfstests-dev/results//btrfs/080.out.bad' to see the entire diff) >> Ran: btrfs/080 >> Failures: btrfs/080 >> Failed 1 of 1 tests >>=20 >> It can be reproduced once in about 20 times on v6.13, misc-next(HEAD: = 1c08f86eeadab89e8f6ad8559df54633afb7a3ba) >> in my VM with 32 cores. >>=20 >> Configs and log are attached. >=20 > I checked your kernel config, it looks like it has a config that is > known to cause problems: >=20 > - CONFIG_PT_RECLAIM=3Dy >=20 > I'm unable to reproduce the bug locally, with 64 runs. The test stresses CPU I guess reproduce possibility is CPU cores = sensitive. > But that's with CONFIG_PT_RECLAIM=3Dn, as I use that config to = workaround > the bug. >=20 > Mind to test with either that config disabled, or apply this hotfix = and > retry? >=20 > = https://lore.kernel.org/linux-mm/20250211072625.89188-1-zhengqi.arch@byted= ance.com/ >=20 Unfortunately it still fails after patching this. =E2=80=94=20 Su > Thanks, > Qu >>=20 >>=20 >> =E2=80=94 >> Su