Messages in this thread | | | From | Josh Don <> | Date | Thu, 29 Apr 2021 13:48:01 -0700 | Subject | Re: [PATCH 04/19] sched: Prepare for Core-wide rq->lock |
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On Wed, Apr 28, 2021 at 9:41 AM Don Hiatt <dhiatt@digitalocean.com> wrote: > > I'm still seeing hard lockups while repeatedly setting cookies on qemu > processes even with > the updated patch. If there is any debug you'd like me to turn on, > just let me know. > > Thanks! > > don
Thanks for the added context on your repro configuration. In addition to the updated patch from earlier, could you try the modification to double_rq_lock() from https://lkml.kernel.org/r/CABk29NuS-B3n4sbmavo0NDA1OCCsz6Zf2VDjjFQvAxBMQoJ_Lg@mail.gmail.com ? I have a feeling this is what's causing your lockup.
Best, Josh
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