Re: [GIT PULL] scheduler changes for v4.11
From: Matt Fleming
Date: Wed Feb 22 2017 - 15:52:41 EST
On Wed, 22 Feb, at 12:41:01PM, Linus Torvalds wrote:
> Hmm. The scheduler changes seem to show problems with suspend/resume.
> I now get his when suspending:
> Disabling non-boot CPUs ...
> Cannot set affinity for irq 285
> smpboot: CPU 1 is now offline
> ------------[ cut here ]------------
> WARNING: CPU: 2 PID: 25 at kernel/sched/sched.h:812
> rq->clock_update_flags < RQCF_ACT_SKIP
> Call Trace:
> the issue may have been going on for a while, but the new WARN_ON()
> was added in this merge window.
> (Not sure how consistent this warning is, it definitely doesn't happen
> every time, I've only seen it once)
I think Peter has the fix for this somewhere, but it doesn't look like
it made it to tip/sched/core.
Peter, this is the original patch,