[Bug 557266] Re: [Radeon kernel module] drmRadeonCmdBuffer: -22. Kernel failed to parse or rejected command stream

[Alexei]

Also still getting this or a similar issue with Ubuntu 10.10 and Radeon
X1650 even after switching to a 2.6 mainline kernel build.

$ lspci -nn | grep VGA
01:00.0 VGA compatible controller [0300]: ATI Technologies Inc RV535 [Radeon X1650 Series] [1002:71c7] (rev 9e)

$ glxgears

Running synchronized to the vertical refresh.  The framerate should be
approximately the same as the monitor refresh rate.
302 frames in 5.0 seconds = 60.274 FPS

That FPS is way too low for the card. Attempting to resize the window
instantly produces a crash and the following message:

drmRadeonCmdBuffer: -22. Kernel failed to parse or rejected command
stream. See dmesg for more info.

$ dmesg | tail
[  431.214850] [drm:r100_cs_track_check] *ERROR* [drm] Buffer too small for color buffer 0 (need 400640 have 389120) !
[  431.214860] [drm:r100_cs_track_check] *ERROR* [drm] color buffer 0 (320 4 0 313)
[  431.214863] [drm:radeon_cs_ioctl] *ERROR* Invalid command stream !

-- 
[Radeon kernel module] drmRadeonCmdBuffer: -22. Kernel failed to parse or rejected command stream
https://bugs.launchpad.net/bugs/557266
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