CONFIG_ANDROID (was: rcu_sched detected expedited stalls in amdgpu after suspend)
christian.koenig at amd.com
Mon Jul 4 11:30:50 UTC 2022
Am 28.06.22 um 22:11 schrieb Uladzislau Rezki:
>> Excerpts from Paul E. McKenney's message of June 28, 2022 2:54 pm:
>>> All you need to do to get the previous behavior is to add something like
>>> this to your defconfig file:
>>> Any reason why this will not work for you?
sorry for jumping in so later, I was on vacation for a week.
Well when any RCU period is longer than 20ms and amdgpu in the backtrace
my educated guess is that we messed up some timeout waiting for the hw.
We usually do wait a few us, but it can be that somebody is waiting for
So there are some todos here as far as I can see and It would be helpful
to get a cleaner backtrace if possible.
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