Hello, kernel test robot noticed "xfstests.generic.465.fail" on: commit: 383151c58c85c735c45970bf3cde7f6fc96f958d ("netfs: Speed up buffered reading") https://git.kernel.org/cgit/linux/kernel/git/dhowells/linux-fs.git netfs-writeback in testcase: xfstests version: xfstests-x86_64-b3b32377-1_20240729 with following parameters: disk: 4HDD fs: ext4 fs2: smbv2 test: generic-465 compiler: gcc-13 test machine: 4 threads Intel(R) Core(TM) i5-6500 CPU @ 3.20GHz (Skylake) with 32G 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 <oliver.sang@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-lkp/202408081612.9d5c488b-oliver.sang@xxxxxxxxx 2024-08-02 13:50:42 mount /dev/sda1 /fs/sda1 2024-08-02 13:50:43 mkdir -p /smbv2//cifs/sda1 2024-08-02 13:50:43 export FSTYP=cifs 2024-08-02 13:50:43 export TEST_DEV=//localhost/fs/sda1 2024-08-02 13:50:43 export TEST_DIR=/smbv2//cifs/sda1 2024-08-02 13:50:43 export CIFS_MOUNT_OPTIONS=-ousername=root,password=pass,noperm,vers=2.0,mfsymlinks,actimeo=0 2024-08-02 13:50:43 echo generic/465 2024-08-02 13:50:43 ./check -E tests/cifs/exclude.incompatible-smb2.txt -E tests/cifs/exclude.very-slow.txt generic/465 FSTYP -- cifs PLATFORM -- Linux/x86_64 lkp-skl-d05 6.11.0-rc1-00022-g383151c58c85 #1 SMP PREEMPT_DYNAMIC Fri Aug 2 18:33:48 CST 2024 generic/465 - output mismatch (see /lkp/benchmarks/xfstests/results//generic/465.out.bad) --- tests/generic/465.out 2024-07-29 17:28:39.000000000 +0000 +++ /lkp/benchmarks/xfstests/results//generic/465.out.bad 2024-08-02 13:51:40.918295861 +0000 @@ -1,3 +1,260 @@ QA output created by 465 non-aio dio test +read file: No data available +read file: No data available +read file: No data available +read file: No data available +read file: No data available ... (Run 'diff -u /lkp/benchmarks/xfstests/tests/generic/465.out /lkp/benchmarks/xfstests/results//generic/465.out.bad' to see the entire diff) Ran: generic/465 Failures: generic/465 Failed 1 of 1 tests The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20240808/202408081612.9d5c488b-oliver.sang@xxxxxxxxx -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki