Red Hat Bugzilla – Bug 626865
Laptop freezes when lid is closed when connected to external monitor
Last modified: 2011-06-28 10:04:04 EDT
Description of problem: The laptop is connected to a docking station. I configure the display settings such that I turn off the laptop screen and just have the external monitor [connected to the docking station] active. When I close the lid, both the displays are off and the machine freezes. Even if I remove the laptop from the docking station the machine is still frozen. This however does not happen when the laptop is not connected to the docking station. This is seen in Fedora 13
Version-Release number of selected component (if applicable):
How reproducible: Always
Steps to Reproduce:
1. Attach laptop to docking station. configure the display settings such that only external monitor display is active and laptop monitor is off
2. Close the lid of the laptop and open the laptop. The displays go blank
3. The laptop hangs
Actual results: Laptop hangs
Expected results: The external display should be active
This is not seen in other OSes like Mandriva 2010.1 and opensuse
The laptop is Dell latitude E6400
Which graphic card does your laptop have? attach relevant lspci output.
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.
(This information will help much more than lspci output)
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.
Fedora Bugzappers volunteer triage team
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