Thank you for your reply. > It looks like some other task holding the mutex resulting > these tasks to sleep and hung the system. > > One step to debug this is to find out which task is holding > the mutex and for how long? Taking crash of hung system > and see whats going on is one way but a harsh one Because my bad english and my light technical background, i don't understand how can i find this task. Can you guide me ? > Another step is start with version where it was working before? > and try to bisect or narrow down. >From memory, it's happen with 4.0.4, 4.1.3 and 4.9.0, on two computers (both with intel CPU). So i don't know if it was worked one day. > Others might have better ideas. I take all ideas ! It's my workstation (as well as my all-day computer) for real time audio processing so i'm open to alls test who can fix this problem. Is it the best place, or i should also post on the radeon mailing ? > -- > To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
