Created attachment 168911 [details] dmesg output produced by wake up after "xset dpms 5 0 0" (kernel 4.0-rc2). Under kernel 3.15-rc1 onwards get a warning and trace in syslog when X awakes from Blank/Standby/Suspend/Off. No other adverse effects are apparent. Was last OK under kernel 3.14.34. This bug is raised in response to BUG ID 91241 comment 10. ------------------------------------ Hardware: Asus P7H55-M SI with Intel Core i5 processor and Integrated Graphics [i915 driver]. The board has 3 physical graphics connectors :- VGA = VGA1 DVI-D = HDMI1 in use. HDMI = HDMI2 Distro: Slackware-14.1, but with latest kernel. X: xorg-server-1.14.3-x86_64-3_slack14.1 xorg-server-xvfb-1.14.3-x86_64-3_slack14.1 Window manager: icewm-1.3.8 (also get similar results with twm, wmaker) ------------------------------------ See attached dmesg output produced by wake up after "xset dpms 5 0 0", running kernel 4.0-rc2.
We seem to have neglected this bug. Apologies. If the problem persists with latest kernels, please file a new bug at the freedesktop.org bugzilla [1], referencing this bug. Thank you. [1] https://bugs.freedesktop.org/enter_bug.cgi?product=DRI&component=DRM/Intel