machine locks during screensaver

Ylan Segal ylan.segal at
Thu Jun 29 20:58:11 UTC 2006

Christofer C. Bell wrote:
> On 6/29/06, Anurag <anurag at> wrote:
>> Atleast by lock i meant ``System Freeze''.  I can't move mouse/use
>> keyboard.
>> Those Alt+SysRQ keys also dont help. I have to manually reset my
>> computer.
> I hate to ask this, Anurag, but are you able to log into the machine
> remotely when it has "locked up"?  I ask because it's possible that
> while X has stopped responding to you, that the underlying system is
> still running fine.  This can happen when a graphical application
> (such as gnome-screensaver) has hung while it has "grabbed" the X
> server (when an application requests exclusive control of the X
> server, as a screensaver should, for example).

You can also try one of the text consoles, they might still be working
and you mightbe able to kill Xserver and restart it.

Try <ctrl><alt><F1>. You can get back to the graphical console with


"The universe is not required to be in
perfect harmony with human ambition"
~ Carl Sagan

More information about the ubuntu-users mailing list