Red Hat Bugzilla – Bug 598846
system lockup when unplugging second monitor
Last modified: 2018-04-11 03:29:08 EDT
Description of problem:
I'm using a laptop (Intel X3100/965 graphics) with an external monitor connected to the VGA output in an extended desktop configuration (no mirroring) and desktop effects.
When unplugging the monitor the laptop panel also goes blank and system seems to be locked up.
If I manually turn the VGA monitor off (xrandr --output VGA1 --off) before unplugging it's not crashing.
Version-Release number of selected component (if applicable):
Fedora 13 as released with default Xorg driver (no xorg.conf)
Steps to Reproduce:
1. Configure dual-head setup with laptop.
2. Unplug external monitor
I expect the system to detect the monitor removal and turn off the output by itself.
Laptop is a Dell D830 with Intel 965 graphics using Fedora 13 x86_64.
Thanks for the bug report. We have reviewed the information you have provided above, and there is some additional information we require that will be helpful in our diagnosis of this issue.
Please add drm.debug=0x04 to the kernel command line, restart computer, and attach
* your X server config file (/etc/X11/xorg.conf, if available),
* X server log file (/var/log/Xorg.*.log)
* output of the dmesg command, and
* system log (/var/log/messages)
to the bug report as individual uncompressed file attachments using the bugzilla file attachment link above.
We will review this issue again once you've had a chance to attach this information.
Thanks in advance.
My colleague has similar problem with his laptop and an external monitor, so I will answer those questions:
$ cat /etc/X11/xorg.conf
cat: /etc/X11/xorg.conf: No such file or directory
other files will follow.
Created attachment 430342 [details]
Created attachment 430343 [details]
Created attachment 430344 [details]
output of dmesg
Created attachment 430345 [details]
I think, https://bugzilla.redhat.com/show_bug.cgi?id=593741 is referring to the same issue.
sorry, I messed that up, those files should be attached to the bug https://bugzilla.redhat.com/show_bug.cgi?id=593741 :)
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