Re: CPUs blocking in update_blocked_averages -- 4.19.12

2018-12-27 Thread Vincent Guittot
Hi Sargun, On Thu, 27 Dec 2018 at 10:36, Sargun Dhillon wrote: > > > > > We're seeing an issue introduced in 4.18, and that still persists in > > 4.19.12 (we upgraded from 4.9), where update_blocked_averages is > > blocking. We're running a workload where a majority of our workloads > > are

Re: CPUs blocking in update_blocked_averages -- 4.19.12

2018-12-27 Thread Sargun Dhillon
> > We're seeing an issue introduced in 4.18, and that still persists in > 4.19.12 (we upgraded from 4.9), where update_blocked_averages is > blocking. We're running a workload where a majority of our workloads > are confined by cgroups. This exhibits itself due to a softlockup on > a CPU which

CPUs blocking in update_blocked_averages -- 4.19.12

2018-12-26 Thread Sargun Dhillon
We're seeing an issue introduced in 4.18, and that still persists in 4.19.12 (we upgraded from 4.9), where update_blocked_averages is blocking. We're running a workload where a majority of our workloads are confined by cgroups. This exhibits itself due to a softlockup on a CPU which is waiting on