| Priority | medium |
|---|---|
| Bug ID | 82055 |
| Assignee | dri-devel@lists.freedesktop.org |
| Summary | [HAWAII] Running some programs, when HW acceleration is on, causes X to spike in CPU usage → unresponsive desktop |
| Severity | normal |
| Classification | Unclassified |
| OS | Linux (All) |
| Reporter | kai@dev.carbon-project.org |
| Hardware | x86-64 (AMD64) |
| Status | NEW |
| Version | git |
| Component | Drivers/Gallium/radeonsi |
| Product | Mesa |
When running certain programs (eg. MediathekView) or watching recorded broadcasts on Twitch, X starts going up in CPU usage and the desktop becomes unresponsive, until you kill the stream or the program has finished its draw operations (can take several seconds). Interestingly enough, YouTube videos are not affected. In both cases I had HW video acceleration on (through settings in /etc/adobe/mms.conf), without HW acceleration the plugin is just consuming ridiculous amounts of CPU cycles. The problem with Twitch is independent off chosen video quality. My desktop environment is KDE 4.13.3 with desktop effects enabled (compositing type=OpenGL 3.1, render target=native), disabling them has no effect on this issue. I haven't seen these issues with my previous HD7850 (also using Glamor), therefore I think this is separate to bug 68524. My stack is (base: Debian Testing): GPU: Hawaii PRO [Radeon R9 290] (ChipID = 0x67b1) Linux: Git:~agdf5/linux:drm-next-3.17-rebased-on-fixes:fa053e7263 (calls itself 3.16-rc6) + attachment 93015 [details] [review] [review] libdrm: Git:master/libdrm-2.4.56 LLVM: SVN:trunk/r214546 (3.6 snapshot) libclc: Git:master/5b48f170c8 Mesa: Git:master/e41cc45361 DDX: Git:master/4b5060f357 + Patch from http://lists.x.org/archives/xorg-driver-ati/2014-July/026517.html X: 2:1.16.0-2 (1.16.0) Let me know, if you need further information.
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