<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#c40">Comment # 40</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:ethan.hsieh@canonical.com" title="Ethan Hsieh <ethan.hsieh@canonical.com>"> Ethan Hsieh</a> <pre>Cannot reproduce corruption issue with SNA_POWERSAVE enabled. (Have to re-plug AC adapter to make the workaround work) xserver-xorg-video-intel-2.99.917+git20160325/src/sna/sna_acpi.c @@ -123,10 +123,14 @@ void _sna_acpi_wakeup(struct sna *sna) state = atoi(space + 1); DBG(("%s: ac_adapter event new state=%d\n", __FUNCTION__, state)); +#if 0 if (state) sna->flags &= ~SNA_POWERSAVE; else sna->flags |= SNA_POWERSAVE; +#endif + DBG(("%s: enable SNA_POWERSAVE\n", __FUNCTION__)); + sna->flags |= SNA_POWERSAVE; } Xorg.0.org: $ grep -r -i -e "ac_ad" -e "enable SNA" /var/log/Xorg.0.log [ 112.044] _sna_acpi_wakeup: event string [41]: 'ac_adapter ACPI0003:00 00000080 00000000 [ 112.044] _sna_acpi_wakeup: ac_adapter event new state=0 [ 112.044] _sna_acpi_wakeup: enable SNA_POWERSAVE [ 123.003] _sna_acpi_wakeup: event string [41]: 'ac_adapter ACPI0003:00 00000080 00000001 [ 123.003] _sna_acpi_wakeup: ac_adapter event new state=1 [ 123.003] _sna_acpi_wakeup: enable SNA_POWERSAVE</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are on the CC list for the bug.</li> </ul> </body> </html>