<html> <head> <meta content="text/html; charset=ISO-8859-1" http-equiv="Content-Type"> </head> <body bgcolor="#FFFFFF" text="#000000"> Hi there, I suddenly found that virt-manager suddenly stopped working, throwing in a "RuntimeError: could not open display" <blockquote> <pre>root@rakcal ~]# echo $DISPLAY localhost:10.0 [root@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 </pre> </blockquote> Has anyone seen this before? the same thing happen to "virt-viewer" as well: <blockquote> <pre>[root@rakcal ~]# virt-viewer winxp1 Cannot open display: Run 'virt-viewer --help' to see a full list of available command line options</pre> </blockquote> Does anyone know what might be the problem? Reinstalling "virt-manager" didn't bring any good. Any help would be appreciated. Cheers, Santanu <pre> </pre> </body> </html>