[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 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: CPU: 1 PID: 14 at kernel/cgroup_pids.c:97 pids_cancel.constrprop.8+0x2a > Modules linked in: .... > ... > CPU: 1 PID: 14 Comm: ksoftirqd/1 Tainted: G O 4.4.0-rc3+ > Hardware name: Sony Corporation SVP1322A1J/VAIO, BIOS R2092V7 04/24/2015 > ... > > Does that help in any way? > > All the best > > Norbert > > (please Cc) > > ------------------------------------------------------------------------ > PREINING, Norbert http://www.preining.info > JAIST, Japan TeX Live & Debian Developer > GPG: 0x860CDC13 fp: F7D8 A928 26E3 16A1 9FA0 ACF0 6CAC A448 860C DC13 > ------------------------------------------------------------------------ > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ -- Michal Hocko SUSE Labs -- To unsubscribe from this list: send the line "unsubscribe cgroups" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html