[linus:master] [loop] 267ec4d722: blktests.loop/009.fail

[kernel test robot]

Hello,

kernel test robot noticed "blktests.loop/009.fail" on:

commit: 267ec4d7223a783f029a980f41b93c39b17996da ("loop: fix partition scan race between udev and loop_reread_partitions()")
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master

[test failed on linus/master      4a50a141f05a8d1737661b19ee22ff8455b94409]
[test failed on linux-next/master 4f441960e691d37c880d2cc004de06bb5b6bd5e4]

in testcase: blktests
version: blktests-x86_64-5a62429-1_20260623
with following parameters:

	test: loop-group-00


config: x86_64-rhel-9.4-func
compiler: gcc-14
test machine: 16 threads Intel(R) Core(TM) i7-13620H (Raptor Lake) 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/202607150754.b660f5b9-lkp@xxxxxxxxx


2026-07-09 09:47:14 cd /lkp/benchmarks/blktests
2026-07-09 09:47:14 sed "s:^:loop/:" /lkp/benchmarks/blktests/tests/loop-group-00
2026-07-09 09:47:14 ./check loop/001 loop/002 loop/003 loop/004 loop/005 loop/006 loop/007 loop/008 loop/009 loop/010 loop/011 loop/012

...

loop/009 (check that LOOP_CONFIGURE sends uevents for partitions)
loop/009 (check that LOOP_CONFIGURE sends uevents for partitions) [failed]
    runtime    ...  5.282s
    --- tests/loop/009.out	2026-06-23 22:48:31.000000000 +0000
    +++ /lkp/benchmarks/blktests/results/nodev/loop/009.out.bad	2026-07-09 09:47:52.182882083 +0000
    @@ -1,3 +1,2 @@
     Running loop/009
    -KERNEL add      /devices/virtual/block/loop_/loop_p1 (block)
     Test complete

...


The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20260715/202607150754.b660f5b9-lkp@xxxxxxxxx



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0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki