Comment # 3
on bug 67187
from Harald Judt
Ok, good news first: It doesn't seem to have to do anything with playing videos using UVD. In fact, playing videos works fine and doesn't have any bad effect on suspending or hibernating. But there are worse troubles now. The reason the error messages started to appear was because I set /sys/power/pm_async to 1 - to make it faster -, albeit for suspend/resume only. This explains why they appeared only for some cycles. I've always set pm_async to 0 because of my hibernate/resume problems described in bug #44772. Before the introduction of UVD support, suspend/resume worked reliably with pm_async=1. Now that's not the case anymore and pm_async=0 has become mandatory. But what's worse, even with pm_async set to 0, suspend/resume doesn't work reliable anymore. Sometimes the monitor simply turns off when suspending, and the system hangs. Previously, that was only the case with hibernate/resume at resume time. Now I wonder... Maybe the card simply takes more time to initialize? At least the error message states UVD failed to initialize... Is there some way to add a delay at resuming/initializing, maybe this would help?
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