https://bugs.kde.org/show_bug.cgi?id=360443
Bug ID: 360443
Summary: Kwin freezes -- mouse moves but nothing else does
Product: kwin
Version: 5.5.5
Platform: Fedora RPMs
OS: Linux
Status: UNCONFIRMED
Severity: normal
Priority: NOR
Component: general
Assignee: kwin-bugs-n...@kde.org
Reporter: rocketra...@gmail.com
I came back to my computer this morning and the mouse was moving, but the rest
of the desktop was frozen. Mouse clicks did not do anything. No keyboard input
worked, including Alt-Tab or anything else.
I was able to switch to a different VT with Ctrl-Alt-F2. I was able to restore
correct operation by running:
DISPLAY=:0 kwin_x11 --replace
I have multiple (3) monitors.
There were no errors in /var/log/Xorg.0.log, except for something libinput
related about removing a device:
...
[ 205.216] (II) RADEON(0): Modeline "1680x1050"x0.0 119.00 1680 1728 1760
1840 1050 1053 1059 1080 +hsync -vsync (64.7 kHz e)
[ 10638.376] (II) config/udev: Adding input device 34:FC:EF:46:C0:C9
(/dev/input/event15)
[ 10638.376] (**) 34:FC:EF:46:C0:C9: Applying InputClass "evdev keyboard
catchall"
[ 10638.376] (**) 34:FC:EF:46:C0:C9: Applying InputClass "libinput keyboard
catchall"
[ 10638.376] (**) 34:FC:EF:46:C0:C9: Applying InputClass "system-keyboard"
[ 10638.376] (II) Using input driver 'libinput' for '34:FC:EF:46:C0:C9'
[ 10638.376] (**) 34:FC:EF:46:C0:C9: always reports core events
[ 10638.376] (**) Option "Device" "/dev/input/event15"
[ 10638.376] (**) Option "_source" "server/udev"
[ 10638.376] (II) input device '34:FC:EF:46:C0:C9', /dev/input/event15 is
tagged by udev as: Keyboard
[ 10638.376] (II) input device '34:FC:EF:46:C0:C9', /dev/input/event15 is a
keyboard
[ 10638.389] (**) Option "config_info"
"udev:/sys/devices/virtual/input/input18/event15"
[ 10638.389] (II) XINPUT: Adding extended input device "34:FC:EF:46:C0:C9"
(type: KEYBOARD, id 14)
[ 10638.389] (**) Option "xkb_model" "logiultraxc"
[ 10638.389] (**) Option "xkb_layout" "us"
[ 10638.389] (**) Option "xkb_options" "terminate:ctrl_alt_bksp,compose:ralt"
[ 10638.390] (II) input device '34:FC:EF:46:C0:C9', /dev/input/event15 is
tagged by udev as: Keyboard
[ 10638.390] (II) input device '34:FC:EF:46:C0:C9', /dev/input/event15 is a
keyboard
[ 22854.288] (II) config/udev: removing device 34:FC:EF:46:C0:C9
Unplugging and replugging the keyboard and mouse (actually switching the KVM
they are attached to away and then back) did not help. I will attach the
complete Xorg.0.log.
I use the open source Radeon driver (radeonsi) with a 7950 SI card.
Note that I don't have any screen blanking or screen savers enabled because of
a different issue that monitors don't wake back up.
Reproducible: Sometimes
There are more debugging tips in this bugzilla:
https://bugs.kde.org/show_bug.cgi?id=338999 but I needed to get back to work
and didn't try them all. Will try next time it happens.
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