Re: occasional kernel hang on shutdown - kernel/cgroup_pids.c

2015-12-11 Thread Norbert Preining
Hi Tejun, > Patches just got merged into mainline. Please let me know if the > current git master doesn't fix the issue. Seems to have worked - I don't see the kernel hangs anymore. What remains are problems with DRI/DRM, but I will report separately. Thanks a lot Norbert

Re: occasional kernel hang on shutdown - kernel/cgroup_pids.c

2015-12-09 Thread Tejun Heo
On Wed, Dec 09, 2015 at 02:22:53PM +0100, Michal Hocko wrote: > [CCing Tejun] > > Seems to be the same issue as reported here? > http://lkml.kernel.org/r/20151208145851.GJ9837@bark Patches just got merged into mainline. Please let me know if the current git master doesn't fix the issue. Thanks.

Re: occasional kernel hang on shutdown - kernel/cgroup_pids.c

2015-12-09 Thread Michal Hocko
[CCing Tejun] Seems to be the same issue as reported here? http://lkml.kernel.org/r/20151208145851.GJ9837@bark On Tue 08-12-15 08:53:52, Norbert Preining wrote: > Dear all > > (please Cc) > > running 4.4-rc4 (written as rc3+ but only the tag commit is missing), > but I think also earlier in the

Re: occasional kernel hang on shutdown - kernel/cgroup_pids.c

2015-12-07 Thread jeff merkey
Wow, OK. I'll try to debug it at this end if I can ... Jeff On 12/7/15, Norbert Preining wrote: > Hi Jeff, > >> I am seeing this too but I think its related to Centos 7 not the build. > > Here I am running: > Debian sid > gcc (Debian 5.3.1-2) 5.3.1 20151206 > >> > WARNING: CPU: 1 P

Re: occasional kernel hang on shutdown - kernel/cgroup_pids.c

2015-12-07 Thread Norbert Preining
Hi Jeff, > I am seeing this too but I think its related to Centos 7 not the build. Here I am running: Debian sid gcc (Debian 5.3.1-2) 5.3.1 20151206 > > WARNING: CPU: 1 PID: 14 at kernel/cgroup_pids.c:97 > > pids_cancel.constrprop.8+0x2a > > Modules linked in: > > ... > > CP

Re: occasional kernel hang on shutdown - kernel/cgroup_pids.c

2015-12-07 Thread jeff merkey
I am seeing this too but I think its related to Centos 7 not the build. On 12/7/15, Norbert Preining wrote: > Dear all > > (please Cc) > > running 4.4-rc4 (written as rc3+ but only the tag commit is missing), > but I think also earlier in the rc releases, I occasionally see hangs > on shutdown. N

occasional kernel hang on shutdown - kernel/cgroup_pids.c

2015-12-07 Thread Norbert Preining
Dear all (please Cc) running 4.4-rc4 (written as rc3+ but only the tag commit is missing), but I think also earlier in the rc releases, I occasionally see hangs on shutdown. Nothing works anymore, but this time at least there was some output on the console. Manually copied from screen: WARNING: