Re: [PATCH] selftests: livepatch: set LC_ALL=C to fix locale-dependent test failure

On Wed 2026-05-27 17:59:29, Qiang Ma wrote:
> When executing the command
> "make -C tools/testing/selftests TARGETS=livepatch run_tests",
> the following error message was reported.
> 
> TEST: livepatch interaction with ftrace_enabled sysctl ... not ok
> ...
> livepatch: sysctlo
> : setting key "kernel.ftrace_enabled": Device or resource busy
> livepatch: sysctl: setting key "kernel.ftrace_enabled": 设备或资源忙
> ...
> ERROR: livepatch kselftest(s) failed
> not ok 5 selftests: livepatch: test-ftrace.sh # exit=1
> 
> To fix it, set LC_ALL=C.
> 
> Signed-off-by: Qiang Ma <[email protected]>

JFYI, the patch has been committed into livepatching.git,
branch for-7.2-selftests.

Best Regards,
Petr