https://bugs.freedesktop.org/show_bug.cgi?id=105240

            Bug ID: 105240
           Summary: GPU lock-up when running QT5 based celestia
           Product: DRI
           Version: unspecified
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/AMDgpu
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: 375gnu@gmail.com

Created attachment 137587
  --> https://bugs.freedesktop.org/attachment.cgi?id=137587&action=edit
apitrace trace

GPU: HD7750
Kernel: 4.14.17 (Debian package)
Driver: both radeon and amdgpu
Mesa: 17.3.4
LLVM: 5

When I start QT5 fork of celestia, my GPU gets locked. With radeon I have a few
seconds to switch to a terminal, with amdgpu I don't, sometimes everything is
locked so even REISUB doesn't help.

Even apitrace dump-images locks.

Feb 24 23:07:50 deneb kernel: [ 7701.664110] radeon 0000:01:00.0: ring 0
stalled for more than 10244msec
Feb 24 23:07:50 deneb kernel: [ 7701.664118] radeon 0000:01:00.0: ring 3
stalled for more than 10244msec
Feb 24 23:07:50 deneb kernel: [ 7701.664129] radeon 0000:01:00.0: GPU lockup
(current fence id 0x0000000000168b3f last fence id 0x0000000000168cdb on ring
3)
Feb 24 23:07:50 deneb kernel: [ 7701.664513] radeon 0000:01:00.0: GPU lockup
(current fence id 0x00000000000ae7cc last fence id 0x00000000000ae85f on ring
0)
Feb 24 23:07:50 deneb kernel: [ 7701.718269] do_general_protection: 15
callbacks suppressed
Feb 24 23:07:50 deneb kernel: [ 7701.718272] traps: goldendict[4507] general
protection ip:7f3bf7cc3185 sp:7ffedf2ba330 error:0 in
libc-2.26.so[7f3bf7c8c000+1ad000]
Feb 24 23:07:50 deneb kernel: [ 7701.936036] radeon_dp_aux_transfer_native: 74
callbacks suppressed
Feb 24 23:07:50 deneb kernel: [ 7702.176091] radeon 0000:01:00.0: ring 3
stalled for more than 10756msec
Feb 24 23:07:50 deneb kernel: [ 7702.176135] radeon 0000:01:00.0: ring 0
stalled for more than 10756msec
Feb 24 23:07:50 deneb kernel: [ 7702.176142] radeon 0000:01:00.0: GPU lockup
(current fence id 0x00000000000ae7cc last fence id 0x00000000000ae85f on ring
0)
Feb 24 23:07:50 deneb kernel: [ 7702.176485] radeon 0000:01:00.0: GPU lockup
(current fence id 0x0000000000168b3f last fence id 0x0000000000168ced on ring
3)
Feb 24 23:07:51 deneb kernel: [ 7702.688091] radeon 0000:01:00.0: ring 0
stalled for more than 11268msec
Feb 24 23:07:51 deneb kernel: [ 7702.688096] radeon 0000:01:00.0: ring 3
stalled for more than 11268msec

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