With last graphics drivers from Git-da7029d on ATI RV530 (X1700) all the 3D applications with "radeon: Acquired Hyper-Z", as Second Life, Racer, Quake III demo have blank screen and in their respective logs these lines appear: ... radeon: The kernel rejected CS, see dmesg for more information. radeon: The kernel rejected CS, see dmesg for more information. radeon: The kernel rejected CS, see dmesg for more information. With dmesg command I obtain: [ 3637.361007] [drm:radeon_cs_ib_chunk] *ERROR* Invalid command stream ! [ 3637.361220] Forbidden register 0x4F54 in cs at 36 (val=00000500) [ 3637.361223] [drm:radeon_cs_ib_chunk] *ERROR* Invalid command stream ! [ 3637.406861] Forbidden register 0x4F54 in cs at 683 (val=00000500) [ 3637.406871] [drm:radeon_cs_ib_chunk] *ERROR* Invalid command stream ! [ 3637.407391] Forbidden register 0x4F54 in cs at 36 (val=00000500) [ 3637.407397] [drm:radeon_cs_ib_chunk] *ERROR* Invalid command stream !
What kernel are you using? A newer kernel should fix the issue.
Simlilar issue with radeon 9600 agp. I use kernel 3.6.8 In logs: dmesg: Forbidden register 0x4F34 in cs at 40 (val=00000640) radeon_cs_ib_chunk] *ERROR* Invalid command stream ! triggered by opera-next (HA,webgl enabled), just scroll down any page and it hangs.
I just check that even glxgears display static picture and it hangs also.
My kernel is 3.6.8-1.fc17.i686 If I don't use HyperZ all is right... as well with graphics drivers from (git-e7177e3). Is it inherent in the commit "r300g: fix comparison of hyperz flush time", perhaps?
Fixed by commit 3e3a586236815970b5eab36697e221e9a72542d6.
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