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List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: Golden output mismatch from generic/228, fs independent From: Qu Wenruo To: Theodore Ts'o Cc: "fstests@vger.kernel.org" , linux-btrfs , linux-xfs@vger.kernel.org References: <60b73970-9cb6-49b1-ad5f-51ab02ef2c98@gmx.com> <20250902120932.GA2564374@mit.edu> Content-Language: en-US Autocrypt: addr=quwenruo.btrfs@gmx.com; keydata= xsBNBFnVga8BCACyhFP3ExcTIuB73jDIBA/vSoYcTyysFQzPvez64TUSCv1SgXEByR7fju3o 8RfaWuHCnkkea5luuTZMqfgTXrun2dqNVYDNOV6RIVrc4YuG20yhC1epnV55fJCThqij0MRL 1NxPKXIlEdHvN0Kov3CtWA+R1iNN0RCeVun7rmOrrjBK573aWC5sgP7YsBOLK79H3tmUtz6b 9Imuj0ZyEsa76Xg9PX9Hn2myKj1hfWGS+5og9Va4hrwQC8ipjXik6NKR5GDV+hOZkktU81G5 gkQtGB9jOAYRs86QG/b7PtIlbd3+pppT0gaS+wvwMs8cuNG+Pu6KO1oC4jgdseFLu7NpABEB AAHNIlF1IFdlbnJ1byA8cXV3ZW5ydW8uYnRyZnNAZ214LmNvbT7CwJQEEwEIAD4CGwMFCwkI BwIGFQgJCgsCBBYCAwECHgECF4AWIQQt33LlpaVbqJ2qQuHCPZHzoSX+qAUCZxF1YAUJEP5a sQAKCRDCPZHzoSX+qF+mB/9gXu9C3BV0omDZBDWevJHxpWpOwQ8DxZEbk9b9LcrQlWdhFhyn 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are=20 >>> failing due >>> to golden output mismatch. >>> >>> This time it's fs independent, and I haven't yet updated fstests=20 >>> itself, so >>> it looks like some updates in my environment is breaking the test. >>> >>> E.g, generic/228 on ext4 (the same on btrfs) >>> >>> I checked my log, bash/xfsprogs and a lot of other packages are all=20 >>> updated, >>> and unfortunately my distro doesn't provide older packages for me to >>> bisect... >> >> I don't know if this helps, but here's a kvm-xfstests using Debian >> Trixie and certain updated critical packages (fio, quota, xfsprogs, >> util-linux, etc.) overriden.=C2=A0 How does that differ from your distr= o >> package versions? >> >> I haven't updated my arm64 image in a bit (this was from dated July=20 >> 20th). >> I can try doing an arm64 rebuild and see if a newer version still >> works on arm64, but here's a data point.... >> >> =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 - TE= d >> >> >> KERNEL:=C2=A0=C2=A0=C2=A0 kernel=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 6.= 17.0-rc3-xfstests #1 SMP Tue Sep=C2=A0 2 07:57:28=20 >> EDT 2025 aarch64 >> CMDLINE:=C2=A0=C2=A0 --arm64 -c ext4/4k generic/228 >> CPUS:=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 2 >> MEM:=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 1977.09 >> >> ext4/4k: 1 tests, 5 seconds >> =C2=A0=C2=A0 generic/228=C2=A0 Pass=C2=A0=C2=A0=C2=A0=C2=A0 2s >> Totals: 1 tests, 0 skipped, 0 failures, 0 errors, 2s >> >> FSTESTVER: blktests=C2=A0=C2=A0=C2=A0=C2=A0 401420a (Fri, 6 Jun 2025 22= :12:43 +0900) >> FSTESTVER: fio=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 fi= o-3.40 (Tue, 20 May 2025 12:23:01 -0600) >=20 > Fio is in fact newer than mine. Mine is 3.39. >=20 >> FSTESTVER: fsverity=C2=A0=C2=A0=C2=A0=C2=A0 v1.6-2-gee7d74d (Mon, 17 Fe= b 2025 11:41:58 -0800) >> FSTESTVER: ima-evm-utils=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 v1.5= (Mon, 6 Mar 2023 07:40:07 -0500) >> FSTESTVER: libaio=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 libaio-0.3.108-82= -gb8eadc9 (Thu, 2 Jun 2022=20 >> 13:33:11 +0200) >=20 > Mine is a little newer, 0.3.113. >=20 >> FSTESTVER: ltp=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 20= 250130-280-g60656cbbb (Wed, 28 May 2025=20 >> 15:04:44 +0200) >> FSTESTVER: quota=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 v4.05-71-g4cd93fc (Sun, 27 Apr 2025= =20 >> 08:24:24 -0400) >> FSTESTVER: util-linux=C2=A0=C2=A0 v2.41-40-g22b91501d (Mon, 26 May 2025= 11:27:31=20 >> +0200) >> FSTESTVER: xfsprogs=C2=A0=C2=A0=C2=A0=C2=A0 v6.15.0 (Mon, 23 Jun 2025 1= 3:56:41 +0200) >> FSTESTVER: xfstests=C2=A0=C2=A0=C2=A0=C2=A0 v2025.07.13-12-gef63d1368 (= Sat, 19 Jul 2025=20 >> 18:14:29 -0400) >> FSTESTVER: xfstests-bld gce-xfstests-202504292206-20-g905451c1 (Sun,=20 >> 20 Jul 2025 03:04:27 +0000) >> FSTESTVER: zz_build-distro=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 trixie >=20 > Others are mostly the same version. >=20 >=20 > And indeed it's bash, after rolling back to v5.2.037 bash, everything is= =20 > fine. >=20 > It looks like it's bash 5.3.x starting to fail (5.3.0 tested and failed)= . >=20 > I'll try dig a little deeper, and this is why I'm always running=20 > Archlinux (ArchlinuxARM in this case), to give some early warnings of=20 > some unexpected updates breaking the test cases. It turns out to be the core dump behavior, the following script can=20 easily reproduce it: ``` #!/bin/bash dev=3D"/dev/test/scratch1" mnt=3D"/mnt/btrfs" mkfs.btrfs -f $dev > /dev/null mount $dev $mnt sysctl -w kernel.core_pattern=3Dcore &>/dev/null ulimit -c 0 ulimit -f 102400 xfs_io -f -c "falloc 0 101m" /mnt/btrfs/foobar umount $mnt ``` Xfs_io will trigger coredump, and the full cmdline dump belongs to the=20 core dump handling of bash. Thanks, Qu >=20 > Thanks, > Qu >=20 >> FSTESTCFG: ext4/4k >> FSTESTSET: generic/228 >> FSTESTOPT: aex >> Truncating test artifacts in /results to 31k >> >=20