<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_ASSIGNED " title="ASSIGNED - gfx corruption on windowed 3d-apps running on dGPU" href="https://bugs.freedesktop.org/show_bug.cgi?id=101691#c35">Comment # 35</a> on <a class="bz_bug_link bz_status_ASSIGNED " title="ASSIGNED - gfx corruption on windowed 3d-apps running on dGPU" href="https://bugs.freedesktop.org/show_bug.cgi?id=101691">bug 101691</a> from <a class="email" href="mailto:Alex_Zhang1@Dell.com" title="Alex_Zhang1@Dell.com">Alex_Zhang1@Dell.com</a> <pre>(In reply to Ben Widawsky from <a href="show_bug.cgi?id=101691#c34">comment #34</a>) > Just some thoughts... > > The corruption are x-tiled cachelines, looks like stale ones. I don't know > what the vertical lines are. It looks to me like the memory is just > misbehaving. I wonder if when you plug in the machine if BIOS tries to crank > up DDR, or Graphics voltage. Is there some BIOS setting or update to tweak > what happens on AC? > > Is this desktop environment using sprite planes? If the compositor is using > all one plane (which I think is likely), and display was at fault, > everything would be corrupt. > > > So please see if there is anything that can be done in BIOS to tell it to > not behave differently when on AC. Hi Ben, Has info the message to ODM. Is there any item in vbios concerning power?</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the assignee for the bug.</li> </ul> </body> </html>