Messages in this thread | | | Date | Thu, 14 Apr 2022 11:38:16 +0200 | Subject | Re: [Linux 5.18-rc1] WARNING: CPU: 1 PID: 0 at kernel/sched/fair.c:3355 update_blocked_averages | From | Dietmar Eggemann <> |
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On 08/04/2022 08:03, Ammar Faizi wrote: > On 4/7/22 5:52 PM, Dietmar Eggemann wrote: > > [...] > >> Looks like 21.10 finally abandoned legacy cgroup v1 and switched to v2 >> completely, which is now mounted under /sys/fs/cgroup . >> >> So your /sys/fs/cgroup/cgroup.controllers should contain `cpu`. >> >> Can you check if any of the cpu.max files under /sys/fs/cgroup has >> something else then `max 100000` ? > > I only see "max 100000" at the moment. Not sure if it may change when I > do other activities anyway. If you need more information, I can always > send it, so feel free to ask.
Looks like you saw the same issue which got fixed here:
https://lkml.kernel.org/r/20220414015940.9537-1-kuyo.chang@mediatek.com
So nothing to do with CFS BW control. It's triggered by a task with very low nice value and load_avg=1 during cfs_rq attach.
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