http://bugs.winehq.org/show_bug.cgi?id=24097 deltatux <deltatux(a)kwokinator.com> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |deltatux(a)kwokinator.com --- Comment #48 from deltatux <deltatux(a)kwokinator.com> 2010-09-23 10:29:17 CDT --- (In reply to comment #40)
(In reply to comment #39)
The question now is...WHY did it fix the problem?
It disables using the page attribute table for cache control of memory mappings, just using the (more coarse) MTRRs instead. For a more extensive description see e.g. http://www.intel.com/Assets/PDF/manual/253668.pdf, chapter 11, though I imagine you'll find it fairly technical. I guess the fact that nopat helps implies fglrx messing up cache control for some memory mapping, e.g. for a buffer object for a texture resource or color buffer. I'm obviously not familiar with fglrx internals though, so maybe I'm way off.
Is this Page Attribute Table only for Intel processors or are they x86 standard which means it also affects AMD processors as well? -- Configure bugmail: http://bugs.winehq.org/userprefs.cgi?tab=email Do not reply to this email, post in Bugzilla using the above URL to reply. ------- You are receiving this mail because: ------- You are watching all bug changes.