Re: [PATCH v2 3/4] btrfs: move larger data folios out of experimental features

hi, Qu,

On Tue, Mar 10, 2026 at 05:33:16PM +1030, Qu Wenruo wrote:
> 
> 
> 在 2026/3/10 17:13, kernel test robot 写道:
> > 
> > 
> > Hello,
> > 
> > kernel test robot noticed "xfstests.btrfs.052.fail" on:
> > 
> > commit: 50bb0fb60d1d55c7447535d17081ea009700cfd7 ("[PATCH v2 3/4] btrfs: move larger data folios out of experimental features")
> > url: https://github.com/intel-lab-lkp/linux/commits/Qu-Wenruo/btrfs-drop-2K-block-size-support/20260227-113649
> > base: https://git.kernel.org/cgit/linux/kernel/git/kdave/linux.git for-next
> > patch link: https://lore.kernel.org/all/0d8fe02f58ccbc0c53714ea45b0a4303f2ee8206.1772162871.git.wqu@suse.com/
> > patch subject: [PATCH v2 3/4] btrfs: move larger data folios out of experimental features
> > 
> > in testcase: xfstests
> > version: xfstests-x86_64-63a29724-1_20260218
> > with following parameters:
> > 
> > 	disk: 6HDD
> > 	fs: btrfs
> > 	test: btrfs-052
> > 
> > 
> > 
> > config: x86_64-rhel-9.4-func
> > compiler: gcc-14
> > test machine: 8 threads 1 sockets Intel(R) Core(TM) i7-4770 CPU @ 3.40GHz (Haswell) with 8G memory
> > 
> > (please refer to attached dmesg/kmsg for entire log/backtrace)
> > 
> > 
> > 
> > If you fix the issue in a separate patch/commit (i.e. not just a new version of
> > the same patch/commit), kindly add following tags
> > | Reported-by: kernel test robot <[email protected]>
> > | Closes: https://lore.kernel.org/oe-lkp/[email protected]
> > 
> > 
> > 2026-03-06 18:12:00 cd /lkp/benchmarks/xfstests
> > 2026-03-06 18:12:00 export TEST_DIR=/fs/sdb1
> > 2026-03-06 18:12:00 export TEST_DEV=/dev/sdb1
> > 2026-03-06 18:12:00 export FSTYP=btrfs
> > 2026-03-06 18:12:00 export SCRATCH_MNT=/fs/scratch
> > 2026-03-06 18:12:00 mkdir /fs/scratch -p
> > 2026-03-06 18:12:00 export SCRATCH_DEV_POOL="/dev/sdb2 /dev/sdb3 /dev/sdb4 /dev/sdb5 /dev/sdb6"
> > 2026-03-06 18:12:00 echo btrfs/052
> > 2026-03-06 18:12:00 ./check btrfs/052
> > FSTYP         -- btrfs
> > PLATFORM      -- Linux/x86_64 lkp-hsw-d01 7.0.0-rc1-00110-g50bb0fb60d1d #1 SMP PREEMPT_DYNAMIC Sat Mar  7 01:56:32 CST 2026
> > MKFS_OPTIONS  -- /dev/sdb2
> > MOUNT_OPTIONS -- /dev/sdb2 /fs/scratch
> > 
> > btrfs/052          [failed, exit status 1]- output mismatch (see /lkp/benchmarks/xfstests/results//btrfs/052.out.bad)
> >      --- tests/btrfs/052.out	2026-02-18 09:47:02.000000000 +0000
> >      +++ /lkp/benchmarks/xfstests/results//btrfs/052.out.bad	2026-03-06 18:12:03.421371379 +0000
> >      @@ -91,553 +91,5 @@
> >       23 05 05 05 05 05 05 05 05 05 05 05 05 05 05 05 05
> >       *
> >       30
> >      -0 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
> >      -*
> >      -2 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02
> >      -*
> >      ...
> >      (Run 'diff -u /lkp/benchmarks/xfstests/tests/btrfs/052.out /lkp/benchmarks/xfstests/results//btrfs/052.out.bad'  to see the entire diff)
> > Ran: btrfs/052
> > Failures: btrfs/052
> > Failed 1 of 1 tests
> 
> Can you provide the full btrfs/052.full?

I attached tar.gz which contains all test results. thanks

> 
> I checked my older logs (we have enabled larger folios for a while for
> experimental tests) and can not fild a similar failure.
> 
> Thus I'm wondering what is causing the failure.
> 
> Thanks,
> Qu
> 
> > 
> > 
> > 
> > 
> > The kernel config and materials to reproduce are available at:
> > https://download.01.org/0day-ci/archive/20260310/[email protected]
> > 
> > 
> > 
>