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awesomeWM / awesome

awesome window manager
https://awesomewm.org/
GNU General Public License v2.0
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Freeze when disabling second monitor/tv #3108

Open aalhitennf opened 4 years ago

aalhitennf commented 4 years ago

Output of awesome --version: awesome v4.3-856-ge7113d719-dirty (Too long) • Compiled against Lua 5.1.4 (running with LuaJIT 2.0.5) • API level: 4 • D-Bus support: yes • xcb-errors support: no • execinfo support: yes • xcb-randr version: 1.6 • LGI version: 0.9.2 • Transparency enabled: yes • Custom search paths: no

How to reproduce the issue: Have two monitors connected and enabled. use xrandr or any gui tool to turn off second one. I have my primary monitor with DisplayPort and second one is tv with HDMI, don't have anything else to test with.

Actual result: Not always, but most of the times, complete freeze. System doesn't respond any input (mouse or kb), can't switch to tty, need to reset with powering off. Although i use unclutter that hides cursor after some time idle, in my case 10 seconds, and i can see cursor disappearing so it's not completely frozen. Rarely this freeze lasts maybe 10-20 seconds and ends, most of the time not.

Expected result: Monitor gets turned off and user can continue to use pc.

I used to have Nvidia card while ago, now Amd, and i experienced this same freeze with both so shouldn't be any driver related i guess. Could reproduce with default config, tested with XFCE and LXDE too, couldn't reproduce with those. Tested with arch default and zen kernels (5.6), no difference.

Don't know how i could provide more information, i'll happily do just point me to right direction.

timroes commented 4 years ago

Do you have any composite manager running (compton, picom, xcompmgr). I had an issue with that on some previous machine, that sounds pretty similar to what you describes, and it was solved by killing the composite manager before changing the monitor configuration and starting it afterwards again.