<html> <head> <base href="https://bugs.freedesktop.org/" /> </head> <body> <div> <a class="bz_bug_link bz_status_ASSIGNED " title="ASSIGNED --- - [sna gen4] corrupt rendering (including wrong rendering of characters and flickering on redraw)" href="https://bugs.freedesktop.org/show_bug.cgi?id=55500#c136">Comment # 136</a> on <a class="bz_bug_link bz_status_ASSIGNED " title="ASSIGNED --- - [sna gen4] corrupt rendering (including wrong rendering of characters and flickering on redraw)" href="https://bugs.freedesktop.org/show_bug.cgi?id=55500">bug 55500</a> from <a class="email" href="mailto:chris@chris-wilson.co.uk" title="Chris Wilson <chris@chris-wilson.co.uk>"> Chris Wilson</a> <pre>The issue that the VUE (which is a memory slot used by the GPU for a vertex entry) are reused by a second thread before the first thread is complete, causing the first thread to generate invalid texture coordinates and corrupt rendering. That is a hardware read-write hazard bug (or at least I have not found any controls in the EU state to prevent it).</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the QA Contact for the bug.</li> </ul> </body> </html>