[Bug 112340] Properties neither applied nor reset after monitor hotplug
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Wed Nov 20 10:49:26 UTC 2019
https://bugs.freedesktop.org/show_bug.cgi?id=112340
--- Comment #4 from Simon Richter <Simon.Richter at hogyros.de> ---
Hm, it seems that this only happens when coming out of standby while the
receiver is off, when the receiver is turned on afterwards.
The kernel log has the following events:
- Boot [0 - 24]
- X startup [36 - 39]
- disabling the internal LVDS display [57 - 62]
- setting quantization range from Automatic to Full [72 - 73]
- turning the receiver off and on [81 - 114]
- forcing DPMS off and on [272 - 288]
- forcing DPMS off, turning off the receiver, forcing DPMS on and turning on
the receiver [306 - 366]
The error manifests in the last case only, i.e. when the display comes out of
standby while the receiver is still off.
There seems to be a lot happening after the receiver is turned on, which kind
of explains why it often takes several seconds until I can get a picture,
especially the first time I cycled the receiver the whole experiment took
thirty seconds until I had a stable picture again.
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