linux-kernel - [linus:master] [drivers] dc1771f718: kernel-selftests-bpf.hid.hidraw.fail

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Message-ID: <202507250945.a36cd041-lkp@intel.com>
Date: Fri, 25 Jul 2025 17:40:42 +0800
From: kernel test robot <oliver.sang@...el.com>
To: Dmitry Torokhov <dmitry.torokhov@...il.com>
CC: <oe-lkp@...ts.linux.dev>, <lkp@...el.com>, <linux-kernel@...r.kernel.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>, Masami Hiramatsu
	<mhiramat@...nel.org>, <oliver.sang@...el.com>
Subject: [linus:master] [drivers]  dc1771f718:
 kernel-selftests-bpf.hid.hidraw.fail



Hello,

just FYI, in our tests, after this revert patch, some tests randomly failed

332ec18d57de2f77 dc1771f718548f7d4b93991b174
---------------- ---------------------------
       fail:runs  %reproduction    fail:runs
           |             |             |
           :30          70%          21:33    kernel-selftests-bpf.hid.hidraw.fail
           :30          20%           6:33    kernel-selftests-bpf.hid.hidraw.hidraw.poll_revoked.fail
           :30          43%          13:33    kernel-selftests-bpf.hid.hidraw.hidraw.raw_event.fail
           :30          30%           9:33    kernel-selftests-bpf.hid.hidraw.hidraw.raw_event_revoked.fail


kernel test robot noticed "kernel-selftests-bpf.hid.hidraw.fail" on:

commit: dc1771f718548f7d4b93991b174c6e7b5e1ba410 ("Revert "drivers: core: synchronize really_probe() and dev_uevent()"")
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master

[test failed on linus/master      89be9a83ccf1f88522317ce02f854f30d6115c41]
[test failed on linux-next/master d086c886ceb9f59dea6c3a9dae7eb89e780a20c9]

in testcase: kernel-selftests-bpf
version: 
with following parameters:

	group: hid



config: x86_64-rhel-9.4-bpf
compiler: gcc-12
test machine: 8 threads 1 sockets Intel(R) Core(TM) i7-7700 CPU @ 3.60GHz (Kaby 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@...el.com>
| Closes: https://lore.kernel.org/oe-lkp/202507250945.a36cd041-lkp@intel.com


# timeout set to 200
# selftests: hid: hidraw
# TAP version 13
# 1..6
# # Starting 6 tests from 1 test cases.
# #  RUN           hidraw.test_create_uhid ...
# #            OK  hidraw.test_create_uhid
# ok 1 hidraw.test_create_uhid
# #  RUN           hidraw.raw_event ...
# #            OK  hidraw.raw_event
# ok 2 hidraw.raw_event
# #  RUN           hidraw.raw_event_revoked ...
# #            OK  hidraw.raw_event_revoked
# ok 3 hidraw.raw_event_revoked
# #  RUN           hidraw.ioctl_revoked ...
# #            OK  hidraw.ioctl_revoked
# ok 4 hidraw.ioctl_revoked
# #  RUN           hidraw.poll_revoked ...
# # hidraw.c:152:poll_revoked:Expected ready (0) == 1 (1)
# # hidraw.c:152:poll_revoked:poll return value
# # poll_revoked: Test terminated by assertion
# #          FAIL  hidraw.poll_revoked
# not ok 5 hidraw.poll_revoked
# #  RUN           hidraw.write_event_revoked ...
# #            OK  hidraw.write_event_revoked
# ok 6 hidraw.write_event_revoked
# # FAILED: 5 / 6 tests passed.
# # Totals: pass:5 fail:1 xfail:0 xpass:0 skip:0 error:0
not ok 2 selftests: hid: hidraw # exit=1



The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20250725/202507250945.a36cd041-lkp@intel.com



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