Hello,
kernel test robot noticed "kernel-selftests.uevent.uevent_filtering.fail" on:
commit: 5b45a753776be5d21cf395ec97e81c9187fbeaca ("selftests: uevent filtering: fix return on error in uevent_listener")
https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git master
[test failed on linux-next/master 2030579113a1b1b5bfd7ff24c0852847836d8fd1]
in testcase: kernel-selftests
version: kernel-selftests-x86_64-60acb023-1_20230329
with following parameters:
group: group-03
compiler: gcc-12
test machine: 36 threads 1 sockets Intel(R) Core(TM) i9-10980XE CPU @ 3.00GHz (Cascade Lake) with 32G memory
(please refer to attached dmesg/kmsg for entire log/backtrace)
we also noticed this issue does not always happen. as below, we saw 15 failures
out of 50 runs. however, parent keeps passing.
37013b557b7f39e6 5b45a753776be5d21cf395ec97e
---------------- ---------------------------
fail:runs %reproduction fail:runs
| | |
:50 30% 15:50 kernel-selftests.uevent.uevent_filtering.fail
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/202310261454.46082aaa-oliver.sang@xxxxxxxxx
TAP version 13
1..1
# timeout set to 300
# selftests: uevent: uevent_filtering
# TAP version 13
# 1..1
# # Starting 1 tests from 1 test cases.
# # RUN global.uevent_filtering ...
# add@/devices/virtual/mem/fullACTION=addDEVPATH=/devices/virtual/mem/fullSUBSYSTEM=memSYNTH_UUID=0MAJOR=1MINOR=7DEVNAME=fullDEVMODE=0666SEQNUM=3532
# add@/devices/virtual/mem/fullACTION=addDEVPATH=/devices/virtual/mem/fullSUBSYSTEM=memSYNTH_UUID=0MAJOR=1MINOR=7DEVNAME=fullDEVMODE=0666SEQNUM=3546
# add@/devices/virtual/mem/fullACTION=addDEVPATH=/devices/virtual/mem/fullSUBSYSTEM=memSYNTH_UUID=0MAJOR=1MINOR=7DEVNAME=fullDEVMODE=0666SEQNUM=3556
# add@/devices/virtual/mem/fullACTION=addDEVPATH=/devices/virtual/mem/fullSUBSYSTEM=memSYNTH_UUID=0MAJOR=1MINOR=7DEVNAME=fullDEVMODE=0666SEQNUM=3585
# add@/devices/virtual/mem/fullACTION=addDEVPATH=/devices/virtual/mem/fullSUBSYSTEM=memSYNTH_UUID=0MAJOR=1MINOR=7DEVNAME=fullDEVMODE=0666SEQNUM=3595
# No buffer space available - Failed to receive uevent
# # uevent_filtering.c:479:uevent_filtering:Expected 0 (0) == ret (-1)
# # uevent_filtering: Test failed at step #10
# # FAIL global.uevent_filtering
# not ok 1 global.uevent_filtering
# # FAILED: 0 / 1 tests passed.
# # Totals: pass:0 fail:1 xfail:0 xpass:0 skip:0 error:0
not ok 1 selftests: uevent: uevent_filtering # exit=1
The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20231026/202310261454.46082aaa-oliver.sang@xxxxxxxxx
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
