[Bug 111481] AMD Navi GPU frequent freezes on both Manjaro/Ubuntu with kernel 5.3 and mesa 19.2 -git/llvm9

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Fri Oct 25 13:16:30 UTC 2019


L.S.S. <ragnaros39216 at yandex.com> changed:

           What    |Removed                     |Added
 Attachment #145807|0                           |1
        is obsolete|                            |

--- Comment #163 from L.S.S. <ragnaros39216 at yandex.com> ---
Created attachment 145814
  --> https://bugs.freedesktop.org/attachment.cgi?id=145814&action=edit
Newly captured GCVM_L2_PROTECTION_FAULT errors. This was captured on 5.4(rc)
kernel, and with AMD_DEBUG=nodma.

I got a few more freezes when using Nemo. This time with AMD_DEBUG=nodma or

I put AMD_DEBUG to /etc/environment, and I can indeed confirm it from terminal
(echo $AMD_DEBUG). It seems this doesn't work, as the freezes I got this time
are also sdma0 type, same as before.

I also captured some new GCVM_L2_PROTECTION_FAULT errors. Not sure if they're
different from last time. This is captured on 5.4(rc) kernel with

In the end, the sdma0 error doesn't seem to go away and I'm not even sure
whether the parameter was set correctly. Where am I supposed to put the
AMD_DEBUG parameters on Manjaro?

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