| What | Removed | Added |
|---|---|---|
| Attachment #107655 is obsolete | 1 |
Comment # 30
on bug 84627
from Zbigniew Luszpinski
Created attachment 110024 [details] [review] Added Aruba GPU to Ignore RADEON_GEM_GTT_WC on Kabini Comment 27 Hamish Wilson 2014-11-08 23:17:00 UTC > I should mention that this bug now also appears with Mesa 10.3.3 as well. Actually this bug appeared first in Mesa 10.3.2: http://cgit.freedesktop.org/mesa/mesa/log/?h=10.3&ofs=100 with this patch: 2014-10-13 r600g,radeonsi: Always use GTT again for PIPE_USAGE_STREAM buffers Michel Dänzer http://cgit.freedesktop.org/mesa/mesa/commit/?h=10.3&id=64c2bdc334ba472603b1e7cd2c3046cfbce285b6 I reported this finding to Michael and he responded with link to this bug here. This patch continues to be in later releases so all new mesa releases are affected on 32 bit Linux. The quick workaround for mesa 10.3.2 and later on 32 bit Linux is to just revert this Michael's patch above OR add your GPU to Michael's exclusion patch "drm/radeon: Ignore RADEON_GEM_GTT_WC on Kabini" attached to this bug report. Just apply only one of these solutions. I prefer to add my GPU to exclusion list "drm/radeon: Ignore RADEON_GEM_GTT_WC on Kabini" patch instead of patching mesa. See patch attached here where modified Michael's patch to add my Aruba GPU.
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