when I start VLC like this: export LIBVA_DRIVER_NAME=gallium vlc and then inside VLC select VA-API as hardware acceleration and then open a video, my screen goes black after a few seconds and my system becomes unresponsive and I have to force poweroff by long pressing the power button. I am using Arch Linux with the 3.18.2 Kernel and Mesa 10.4.2 My graphics card: Advanced Micro Devices, Inc. [AMD/ATI] RV610/M74 [Mobility Radeon HD 2400 XT]
As of kernel 4.1 and mesa 10.6 the system does not crash/hang anymore but I get the following messages: radeon: The kernel rejected CS, see dmesg for more information. and dmesg gives me the following information: [ 422.606081] [drm:radeon_cs_ioctl [radeon]] *ERROR* Invalid command stream ! [ 422.658136] [drm:radeon_uvd_cs_parse [radeon]] *ERROR* Invalid UVD handle 0x105c0003! [ 422.658167] [drm:radeon_cs_ioctl [radeon]] *ERROR* Invalid command stream ! [ 436.853008] [drm:radeon_uvd_cs_parse [radeon]] *ERROR* Failed mapping the UVD message (-22)! This happens on both VLC with VDPAU and VA-API and also on MPV. The video sometimes plays and sometimes does not (just black).
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