[Bug 93988] Amdgpu, Tonga R9 380: ring 0 test failed (scratch(0xC040)=0xCAFEDEAD)

[Bug 93988] Amdgpu, Tonga R9 380: ring 0 test failed (scratch(0xC040)=0xCAFEDEAD)

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https://bugs.freedesktop.org/show_bug.cgi?id=93988

            Bug ID: 93988
           Summary: Amdgpu, Tonga R9 380: ring 0 test failed
                    (scratch(0xC040)=0xCAFEDEAD)
           Product: DRI
           Version: DRI git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: critical
          Priority: medium
         Component: DRM/AMDgpu
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: jahnkohl@web.de

Created attachment 121493
  --> https://bugs.freedesktop.org/attachment.cgi?id=121493&action=edit
Journalctl

It looks al little bit as this bug here:
https://bugs.freedesktop.org/show_bug.cgi?id=92270

But this time with a R9 380, Gigabyte, 4Gb

Tested kernels:4.2,3,4,5-rc-2

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[Bug 93988] Amdgpu, Tonga R9 380: ring 0 test failed (scratch(0xC040)=0xCAFEDEAD)

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https://bugs.freedesktop.org/show_bug.cgi?id=93988

--- Comment #1 from jk <jahnkohl@web.de> ---
Created attachment 121494
  --> https://bugs.freedesktop.org/attachment.cgi?id=121494&action=edit
dmesg

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[Bug 93988] Amdgpu, Tonga R9 380: ring 0 test failed (scratch(0xC040)=0xCAFEDEAD)

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https://bugs.freedesktop.org/show_bug.cgi?id=93988

jk <jahnkohl@web.de> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |NOTOURBUG
             Status|NEW                         |RESOLVED

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[Bug 93988] Amdgpu, Tonga R9 380: ring 0 test failed (scratch(0xC040)=0xCAFEDEAD)

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https://bugs.freedesktop.org/show_bug.cgi?id=93988

--- Comment #2 from Michel Dänzer <michel@daenzer.net> ---
Why NOTOURBUG? Where was the bug?

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[Bug 93988] Amdgpu, Tonga R9 380: ring 0 test failed (scratch(0xC040)=0xCAFEDEAD)

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https://bugs.freedesktop.org/show_bug.cgi?id=93988

jk <jahnkohl@web.de> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|NOTOURBUG                   |NOTABUG

--- Comment #3 from jk <jahnkohl@web.de> ---
Ok notabug would be better.. the problem was in mkinitcpio.conf, the radeon
module was loaded there and conflicted with the amdgpu module... After i
removed this entry everything worked.

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[Bug 93988] Amdgpu, Tonga R9 380: ring 0 test failed (scratch(0xC040)=0xCAFEDEAD)

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https://bugs.freedesktop.org/show_bug.cgi?id=93988

--- Comment #4 from Christian König <deathsimple@vodafone.de> ---
Wait a second. Why the heck should radeon conflict with amdgpu?

As long as nobody messed with the PCI-IDs the kernel should know very well what
driver to load for a Tonga.

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