Red Hat Bugzilla – Bug 1290828
Multidisplay setup losts its configuration during system sleep
Last modified: 2016-12-20 11:55:42 EST
Description of problem:
I have a laptop and external display connected using dock station. Displays have custom arrangement (not external display on the right of the build-in one). When I put laptop to sleep and woke it up again, external display is not turned on. After several (sometimes one is enough) dock reconnects or pressing Win+P the external display is turned on. However the custom display arrangement is lost (external display is next to the build-in one) and it has to be manually set again.
Version-Release number of selected component (if applicable):
Fully updated Fedora 23. (It applies to also to Fedora 20, 21, 22. Last correctly working was Fedora 19).
Often, say 75%
Steps to Reproduce:
1. Connect external display (I did it using dock station)
2. Arrange one display above the other one (using `gnome-control-center display`)
3. Sleep the system
4. Wake up the system
Only build-in display is on, external is off.
Both displays are on right after wake up. Custom display arrangement is preserved.
description: VGA compatible controller
product: Haswell-ULT Integrated Graphics Controller
vendor: Intel Corporation
physical id: 2
bus info: pci@0000:00:02.0
width: 64 bits
capabilities: vga_controller bus_master cap_list rom
configuration: driver=i915 latency=0
resources: irq:49 memory:d0000000-d03fffff memory:c0000000-cfffffff ioport:3000(size=64)
Created attachment 1104719 [details]
output of `sudo journalctl -f` that ran over
1. putting laptop to sleep (connected to dock)
2. waking up the laptop (external display off after awakening)
3. disconnecting laptop from dock
4. reconnecting to dock (external display on after reconnecting)
It seems that this issue can be prevented by letting video rendering app (tested with Firefox + <video> element and totem)
- on the external display
- as focused app when putting laptop to sleep (by power button)
- playback may be paused or playing but the window shouldn't lost focus from last playing till the sleep.
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Fedora 23 changed to end-of-life (EOL) status on 2016-12-20. Fedora 23 is
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