Re: selftests: pidfd: pidfd_wait hangs on linux next kernel on all devices

[Christian Brauner]

On Wed, Sep 23, 2020 at 07:52:05PM +0530, Naresh Kamboju wrote:
> selftests: pidfd: pidfd_wait hangs on linux next kernel on x86_64,
> i386 and arm64 Juno-r2
> These devices are using NFS mounted rootfs.
> I have tested pidfd testcases independently and all test PASS.
> 
> The Hang or exit from test run noticed when run by run_kselftest.sh
> 
> pidfd_wait.c:208:wait_nonblock:Expected sys_waitid(P_PIDFD, pidfd,
> &info, WSTOPPED, NULL) (-1) == 0 (0)
> wait_nonblock: Test terminated by assertion
> 
> metadata:
>   git branch: master
>   git repo: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
>   git commit: e64997027d5f171148687e58b78c8b3c869a6158
>   git describe: next-20200922
>   make_kernelversion: 5.9.0-rc6
>   kernel-config:
> http://snapshots.linaro.org/openembedded/lkft/lkft/sumo/intel-core2-32/lkft/linux-next/865/config
> 
> Reported-by: Naresh Kamboju <naresh.kamboju@xxxxxxxxxx>

Thanks for reproting this. I'm taking a look now!
Christian
 https://lkft.linaro.org