Messages in this thread | | | Date | Mon, 11 Jul 2022 13:17:24 +0530 | From | Viresh Kumar <> | Subject | Re: [PATCH] sched/schedutil: Fix deadlock between cpuset and cpu hotplug when using schedutil |
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On 11-07-22, 15:43, Xuewen Yan wrote: > This deadlock occurs when we run the monkey test on an Android phone, > at the same time, randomly put online or offline a cpu core. > Indeed the thread-A which get the cgroup_threadgroup_rwsem and waiting > for the cpu_hotplug_lock is the thread whose name is "OomAdjuster" in > android.
It would be better to reproduce this on mainline kernel, no android, and tell us the steps. We don't want to chase an Android only issue, just in case.
Thanks.
-- viresh
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