Created attachment 50813 [details] last log lines, assertion and backtrace. When running the Wine(www.winehq.org) ddraw/d3d unit tests with r200 they crash due to a failing assertion. The clear is done on a texture attached to a framebuffer. It looks like Mesa is falling back to software, the SW renderer is trying to map the texture into memory and this triggers the assertion. I have not been able to reproduce this in a stand-alone application yet. I'll attach a backtrace and the failing assertion. I'll also file a bug report for the fact that r200 falls back to software at all, I think the hardware could do this clear just fine.
This bug seems to have gone away, maybe by fixing bug 40554.
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