Hi Nicolai, It makes sense. The easiest way to reproduce the real freeze is to: - Run vblank_mode=0 glxgears - Open https://hangouts.google.com/start - Activate KDE compositing It will freeze within a few minutes. Cheers, Bráulio On Mon, Apr 16, 2018 at 4:44 AM Nicolai Hähnle <nhaehnle at gmail.com> wrote: > On 14.04.2018 00:24, Bráulio Bhavamitra wrote: > > It ALWAYS crashes on shader15 of > > http://www.graphicsfuzz.com/benchmark/android-v1.html. > > This is very likely an unrelated issue to any kind of desktop hang > you're seeing. The graphics fuzz shaders are the result of fuzzing to > intentionally generate unusual control flow structures which are likely > to trigger shader compiler bugs. Typical desktop workloads don't have > such shaders, so any generic desktop hang you're seeing is almost > certainly unrelated. > > Cheers, > Nicolai > > > > > > Also reported at https://bugzilla.redhat.com/show_bug.cgi?id=1562530 > > > > Using kernel 4.16 with options rcu_nocb=0-15 and amdgpu.dpm=0 > > > > Cheers, > > Bráulio > > > > On Mon, Mar 26, 2018 at 8:30 PM Bráulio Bhavamitra <brauliobo at gmail.com > > <mailto:brauliobo at gmail.com>> wrote: > > > > Hi all, > > > > Following the random crashes happenning with many users (e.g. > > > https://www.phoronix.com/scan.php?page=news_item&px=Raven-Ridge-March-Update > ), > > not only on Linux but also Windows, I've been struggling to > > reproduce and generate any error log. > > > > After discovering that the error only happenned with KDE and games > > (at least for me, see https://bugs.kde.org/show_bug.cgi?id=392378), > > I could reproduce after a failing suspend. > > > > The crash most of the times allows the mouse to keep moving, but > > anything else works. Except for this time the keyboard worked so I > > could switch the tty and save the dmesg messages. After this I had > > to force reboot as it got stuck trying to kill the lightdm service > > (gpu hanged?). > > > > The errors are, see attached the full dmesg: > > [ 2899.525650] amdgpu 0000:03:00.0: couldn't schedule ib on ring > <sdma0> > > [ 2899.525769] [drm:amdgpu_job_run [amdgpu]] *ERROR* Error > > scheduling IBs (-22) > > [ 2909.125047] [drm:amdgpu_job_timedout [amdgpu]] *ERROR* ring gfx > > timeout, last signaled seq=174624, last emitted seq=174627 > > [ 2909.125060] [drm] IP block:psp is hung! > > [ 2909.125063] [drm] GPU recovery disabled. > > [ 2914.756931] [drm:amdgpu_cs_ioctl [amdgpu]] *ERROR* > > amdgpu_cs_list_validate(validated) failed. > > [ 2914.756997] [drm:amdgpu_cs_ioctl [amdgpu]] *ERROR* Failed to > > process the buffer list -16! > > [ 2914.997372] amdgpu 0000:03:00.0: couldn't schedule ib on ring > <sdma0> > > [ 2914.997498] [drm:amdgpu_job_run [amdgpu]] *ERROR* Error > > scheduling IBs (-22) > > [ 2930.117275] [drm:amdgpu_cs_ioctl [amdgpu]] *ERROR* > > amdgpu_cs_list_validate(validated) failed. > > [ 2930.117405] [drm:amdgpu_cs_ioctl [amdgpu]] *ERROR* Failed to > > process the buffer list -16! > > [ 2930.152015] [drm:amdgpu_fill_buffer [amdgpu]] *ERROR* Trying to > > clear memory with ring turned off. > > [ 2930.157940] [drm:amdgpu_fill_buffer [amdgpu]] *ERROR* Trying to > > clear memory with ring turned off. > > [ 2930.180535] [drm:amdgpu_fill_buffer [amdgpu]] *ERROR* Trying to > > clear memory with ring turned off. > > [ 2933.781692] IPv6: ADDRCONF(NETDEV_CHANGE): wlp2s0: link becomes > ready > > [ 2945.477205] [drm:amdgpu_cs_ioctl [amdgpu]] *ERROR* > > amdgpu_cs_list_validate(validated) failed. > > [ 2945.477348] [drm:amdgpu_cs_ioctl [amdgpu]] *ERROR* Failed to > > process the buffer list -16! > > > > System details: > > HP Envy x360 Ryzen 2500U > > ArchLinux, kernel 4.16rc6 and 4.15.12 > > > > Cheers, > > bráulio > > > > > > > > _______________________________________________ > > amd-gfx mailing list > > amd-gfx at lists.freedesktop.org > > https://lists.freedesktop.org/mailman/listinfo/amd-gfx > > > > > -- > Lerne, wie die Welt wirklich ist, > Aber vergiss niemals, wie sie sein sollte. > _______________________________________________ > amd-gfx mailing list > amd-gfx at lists.freedesktop.org > https://lists.freedesktop.org/mailman/listinfo/amd-gfx > -------------- next part -------------- An HTML attachment was scrubbed... URL: <https://lists.freedesktop.org/archives/amd-gfx/attachments/20180418/69fb3b46/attachment.html>