On Mon, 2003-03-03 at 00:01, Antonino Daplas wrote: > > For some cases. The truth is a bit more horrible, and current fbdev has > > the same problem here. Any early Athlon, and almost any PII/PIII derived > > chip allows the user to bring the box down if they have access to > > a mix of cached and uncached RAM. > > > > I do not understand. Do you mean such as writing to framebuffer memory > and making it execute?
On early athlon you prefetch non cached memory and the cpu corrupts its cache, on PII, PII mmap frame buffer against a cached page, but the right kind of instruction in a loop with the instruction bridging the two memory types and run it in a tight loop ------------------------------------------------------- This sf.net email is sponsored by:ThinkGeek Welcome to geek heaven. http://thinkgeek.com/sf _______________________________________________ Dri-devel mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/dri-devel
