Hello, Oleg!
On Wed, May 08, 2019 at 05:25:36PM +0200, Oleg Nesterov wrote:
> On 05/07, Roman Gushchin wrote:
> >
> > --- a/kernel/signal.c
> > +++ b/kernel/signal.c
> > @@ -2484,9 +2484,6 @@ bool get_signal(struct ksignal *ksig)
> > sigdelset(>pending.signal, SIGKILL);
> >
On 05/07, Roman Gushchin wrote:
>
> --- a/kernel/signal.c
> +++ b/kernel/signal.c
> @@ -2484,9 +2484,6 @@ bool get_signal(struct ksignal *ksig)
> sigdelset(>pending.signal, SIGKILL);
> recalc_sigpending();
> current->jobctl &= ~JOBCTL_TRAP_FREEZE;
On Tue, 2019-05-07 at 21:37 +, Roman Gushchin wrote:
> Can you, please, try if the following patch fixes the problem?
It works great.
> --
>
> diff --git a/kernel/signal.c b/kernel/signal.c
> index 16b72f4f14df..bf2f268f1386 100644
> --- a/kernel/signal.c
> +++ b/kernel/signal.c
> @@
On Tue, May 07, 2019 at 04:04:22PM -0400, Qian Cai wrote:
> LTP ptrace01 test case triggers a warning below. Looks at ptrace_stop() calls
> cgroup_enter_frozen() there in the cgroup v2 freezer.
>
> [ 8373.336330] WARNING: CPU: 56 PID: 67026 at kernel/cgroup/cgroup.c:6008
> cgroup_exit+0x2a9/0x2f0
LTP ptrace01 test case triggers a warning below. Looks at ptrace_stop() calls
cgroup_enter_frozen() there in the cgroup v2 freezer.
[ 8373.336330] WARNING: CPU: 56 PID: 67026 at kernel/cgroup/cgroup.c:6008
cgroup_exit+0x2a9/0x2f0
[ 8373.345001] Modules linked in: brd ext4 crc16 mbcache jbd2
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