[Bug 110538] [drm:r600_ring_test [radeon]] *ERROR* radeon: ring 0 test failed (scratch(0x850C)=0xCAFEDEAD)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=110538

            Bug ID: 110538
           Summary: [drm:r600_ring_test [radeon]] *ERROR* radeon: ring 0
                    test failed (scratch(0x850C)=0xCAFEDEAD)
           Product: DRI
           Version: DRI git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Radeon
          Assignee: dri-devel at lists.freedesktop.org
          Reporter: baopeng88_com at 163.com

Created attachment 144102
  --> https://bugs.freedesktop.org/attachment.cgi?id=144102&action=edit
gpu-reset-dmesg

We want to reset the radeon gpu. When we have reset, the following print will
appear. And the screen is screened, how can I fix this problem. Thank you。

[  415.343591] radeon 0000:01:00.0: WB enabled
[  415.347801] radeon 0000:01:00.0: fence driver on ring 0 use gpu addr
0x0000000080000c00 and cpu addr 0xffff8021dcba0c00
[  415.358637] radeon 0000:01:00.0: fence driver on ring 1 use gpu addr
0x0000000080000c04 and cpu addr 0xffff8021dcba0c04
[  415.369471] radeon 0000:01:00.0: fence driver on ring 2 use gpu addr
0x0000000080000c08 and cpu addr 0xffff8021dcba0c08
[  415.380304] radeon 0000:01:00.0: fence driver on ring 3 use gpu addr
0x0000000080000c0c and cpu addr 0xffff8021dcba0c0c
[  415.391138] radeon 0000:01:00.0: fence driver on ring 4 use gpu addr
0x0000000080000c10 and cpu addr 0xffff8021dcba0c10
[  415.403381] radeon 0000:01:00.0: fence driver on ring 5 use gpu addr
0x0000000000075a18 and cpu addr 0xffff000014e35a18
[  415.515380] radeon 0000:01:00.0: failed VCE resume (-110).
[  415.860855] [drm:r600_ring_test [radeon]] *ERROR* radeon: ring 0 test failed
(scratch(0x850C)=0xCAFEDEAD)
[  415.870585] [drm:si_resume [radeon]] *ERROR* si startup failed on resume

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