Messages in this thread | | | From | "Levin, Alexander (Sasha Levin)" <> | Subject | Re: [PATCH 3/4] sched: WARN when migrating to an offline CPU | Date | Tue, 10 Oct 2017 01:18:34 +0000 |
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On Mon, Oct 09, 2017 at 10:04:45AM +0200, Peter Zijlstra wrote: >On Sat, Oct 07, 2017 at 05:43:32PM +0000, Levin, Alexander (Sasha Levin) wrote: >> On Sat, Oct 07, 2017 at 11:15:17AM +0200, Peter Zijlstra wrote: >> >On Sat, Oct 07, 2017 at 02:07:26AM +0000, Levin, Alexander (Sasha Levin) wrote: >> >> And quite a few lines of your added trace (lmk if you need more, or all): >> > >> >Yeah, could you please upload all of it somewhere? That chunk didn't >> >include any hotplug bits at all. >> >> Attached. It's the stack trace followed by everything else. > >Much thanks, clue: > >[ 2073.495414] NOHZ: local_softirq_pending 202 -- (TIMER_SOFTIRQ | RCU_SOFTIRQ) > >cpuhp/2-22 [002] .... 104.797971: sched_cpu_deactivate: not-active: 2 mask: 0-1,3-4,6-7,9 > >cpuhp/2-22 [002] .... 104.825166: sched_cpu_deactivate: rcu-sync: 2 > >migration/2-24 [002] ..s1 104.855994: rebalance_domains: rcu-read-lock: 2 >migration/2-24 [002] ..s1 104.856000: load_balance: dst_cpu: 2 cpus: 6 > > >supposed fix; could you please verify?
Patch works, thanks!
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Thanks, Sasha
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