On 2020-11-18 09:44:34 [-0500], Qian Cai wrote: > On Tue, 2020-11-17 at 19:28 +0000, Valentin Schneider wrote: > > We did have some breakage in that area, but all the holes I was aware of > > have been plugged. What would help here is to see which tasks are still > > queued on that outgoing CPU, and their recent activity. > > > > Something like > > - ftrace_dump_on_oops on your kernel cmdline > > - trace-cmd start -e 'sched:*' > > <start the test here> > > > > ought to do it. Then you can paste the (tail of the) ftrace dump. > > > > I also had this laying around, which may or may not be of some help: > > Once I have found a reliable reproducer, I'll report back.
any update? Sebastian
