Mailinglist Archive: opensuse-bugs (4790 mails)

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[Bug 1046962] radeonsi: 3D engines causing frequent GPU lockups
  • From: bugzilla_noreply@xxxxxxxxxx
  • Date: Thu, 27 Jul 2017 14:52:04 +0000
  • Message-id: <bug-1046962-21960-vigo1CEpHq@http.bugzilla.opensuse.org/>
http://bugzilla.opensuse.org/show_bug.cgi?id=1046962
http://bugzilla.opensuse.org/show_bug.cgi?id=1046962#c31

--- Comment #31 from Mircea Kitsune <sonichedgehog_hyperblast00@xxxxxxxxx> ---
I wasn't able to use the script you provided. It only looped once then bash
gave me the following syntax error:

524288, used 429891 free 94397 + 0 : syntax error in expression (error token
is "429891 free 94397 + 0 ")

I used 'dmesg -w' via SSH to monitor dmesg output as the system froze. I have
not seen anything of interest, and no new messages were printed before the
crash took place. The only arguably suspicious line was:

[ 1286.800069] perf: interrupt took too long (2502 > 2500), lowering
kernel.perf_event_max_sample_rate to 79750

Never the less, I have discovered another important factor during my tests: I
decided to look through my BIOS settings again, as I remembered I had left
enabled a memory overclock setting called Performance Enhance. In the past when
I had a different set of memories, this option caused the exact same freeze
when I was watching Youtube (1080p @ 60fps videos). Later on I got new
memories, and due to how my clocks are synced I'm running those at an
underclocked (therefore more stable) frequency, so I figured I can leave this
enabled without problems. The highly erratic probabilities of the freezes threw
me off (once it's after 10 minutes, then it's after 2 hours), whereas a crash
this obvious would have been all over the bug tracker by now if it was Mesa.

After disabling it, I no longer seem to get any immediate system freezes. It
will however require more testing to confirm it was that option, so please give
me a few more weeks before we close this. If my theory is proven wrong, I'll
immediately post a new comment and let everyone know.

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