Package: release.debian.org Severity: normal Tags: jessie User: release.debian....@packages.debian.org Usertags: pu
Hi, we've had a patch for #775264 sitting in git since January. This should go in jessie. Diff below, imagine its version is fixed and s/UNRELEASED/jessie/. Cheers, Julien diff --git a/debian/changelog b/debian/changelog index 4828bbb..df3f044 100644 --- a/debian/changelog +++ b/debian/changelog @@ -1,3 +1,10 @@ +mesa (10.3.2-2) UNRELEASED; urgency=medium + + * radeonsi-disable-asynchronous-dma.diff: Disable asynchronous DMA + on radeonsi which can cause lockups. (Closes: #775264) + + -- Timo Aaltonen <tjaal...@debian.org> Wed, 14 Jan 2015 16:40:19 +0200 + mesa (10.3.2-1) unstable; urgency=medium [ Sven Joachim ] diff --git a/debian/patches/radeonsi-disable-asynchronous-dma.diff b/debian/patches/radeonsi-disable-asynchronous-dma.diff new file mode 100644 index 0000000..1e94814 --- /dev/null +++ b/debian/patches/radeonsi-disable-asynchronous-dma.diff @@ -0,0 +1,45 @@ +commit ae4536b4f71cbe76230ea7edc7eb4d6041e651b4 +Author: Michel Dänzer <michel.daen...@amd.com> +Date: Tue Nov 11 16:10:20 2014 +0900 + + radeonsi: Disable asynchronous DMA except for PIPE_BUFFER + + Using the asynchronous DMA engine for multi-dimensional operations seems + to cause random GPU lockups for various people. While the root cause for + this might need to be fixed in the kernel, let's disable it for now. + + Before re-enabling this, please make sure you can hit all newly enabled + paths in your testing, preferably with both piglit and real world apps, + and get in touch with people on the bug reports below for stability + testing. + + Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=85647 + Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=83500 + Cc: "10.3 10.4" <mesa-sta...@lists.freedesktop.org> + Reviewed-by: Marek Olšák <marek.ol...@amd.com> + Reviewed-by: Grigori Goronzy <g...@chown.ath.cx> + +--- a/src/gallium/drivers/radeonsi/si_dma.c ++++ b/src/gallium/drivers/radeonsi/si_dma.c +@@ -270,6 +270,21 @@ void si_dma_copy(struct pipe_context *ct + return; + } + ++ /* XXX: Using the asynchronous DMA engine for multi-dimensional ++ * operations seems to cause random GPU lockups for various people. ++ * While the root cause for this might need to be fixed in the kernel, ++ * let's disable it for now. ++ * ++ * Before re-enabling this, please make sure you can hit all newly ++ * enabled paths in your testing, preferably with both piglit and real ++ * world apps, and get in touch with people on the bug reports below ++ * for stability testing. ++ * ++ * https://bugs.freedesktop.org/show_bug.cgi?id=85647 ++ * https://bugs.freedesktop.org/show_bug.cgi?id=83500 ++ */ ++ goto fallback; ++ + if (src->format != dst->format || src_box->depth > 1 || + rdst->dirty_level_mask != 0) { + goto fallback; diff --git a/debian/patches/series b/debian/patches/series index 9f0749f..d37557a 100644 --- a/debian/patches/series +++ b/debian/patches/series @@ -1 +1,2 @@ 07_gallium-fix-build-failure-on-powerpcspe.diff +radeonsi-disable-asynchronous-dma.diff
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