[virt-tools-list] virt-manager can't open display

[Santanu Das]

Hi there,

I suddenly found that virt-manager suddenly stopped working, throwing in 
a  "RuntimeError: could not open display"

    root at rakcal ~]# echo $DISPLAY
    localhost:10.0

    [root at rakcal ~]# virt-manager
    Traceback (most recent call last):
       File "/usr/share/virt-manager/virt-manager.py", line 383, in<module>
         main()
       File "/usr/share/virt-manager/virt-manager.py", line 286, in main
         raise gtk_error
    RuntimeError: could not open display



Has anyone seen this before? the same thing happen to "virt-viewer" as well:

    [root at rakcal ~]# virt-viewer winxp1
    Cannot open display:
    Run 'virt-viewer --help' to see a full list of available command line options


Does anyone know what might be the problem? Reinstalling "virt-manager" 
didn't bring any good. Any help would be appreciated.

Cheers,
Santanu

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