On Fri, Jul 14, 2017 at 07:19:09PM +0530, Prateek Sood wrote:
> Live Lock due to task spinning while unqueue of CPU osq_node
> from optimistic_spin_queue. Task T1 had decremented mutex count to
> acquire the lock on CPU0. Before setting owner it got preempted.
You've been working on ancient kerne
Live Lock due to task spinning while unqueue of CPU osq_node
from optimistic_spin_queue. Task T1 had decremented mutex count to
acquire the lock on CPU0. Before setting owner it got preempted. On
CPU1 task T2 acquired osq_lock and started spinning on owner of mutex
with preemption disabled. CPU1 r
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