Display goes black after some period (of inactivity)
Posted: 16. Feb 2011, 17:23
Hi there ,
There seems to be some strange issue with Virtualbox 4.0.2 were the display of the guest machine freezes , or to be more precise goes black.I haven't been able to pinpoint yet were the problem lies , if it is distribution related or kernel version of the guest machine.It seems though that it is Virtualbox that is unable to display properly as I don't get any failure or error inside the guest about the window manager .The guest is accessible by other means (ssh , response to ping etc. etc ) .
problem is noticed in Debian guests with Debian and Windows hosts! Set up is as follows
case A) Debian host running Debian guest
and B) Windows 7 host running Debian guest
In both cases the display goes black and does not respond to mouse or keyboard (feels like going into screensaver and never returning- to avoid confusions no screensaver is running in either guest ). In case B I have also a Centos host that works without problems.
Now if i restart the guest window manager , the display comes back .Also in case B I managed to get the display back by playing around with "auto-resize guest display" and "Adjust window size" from the VirtualBox gui .Strange!!!
In both debian guests kernel version is 2.6.32-5 (although different architectures: x86 and amd64) .
I will try to find time to compile a custom kernel and see if it is the kernel of the guest that's causing this .
In the meantime if anyone has a clue what might be wrong please jump in and help !
Thank you !
There seems to be some strange issue with Virtualbox 4.0.2 were the display of the guest machine freezes , or to be more precise goes black.I haven't been able to pinpoint yet were the problem lies , if it is distribution related or kernel version of the guest machine.It seems though that it is Virtualbox that is unable to display properly as I don't get any failure or error inside the guest about the window manager .The guest is accessible by other means (ssh , response to ping etc. etc ) .
problem is noticed in Debian guests with Debian and Windows hosts! Set up is as follows
case A) Debian host running Debian guest
and B) Windows 7 host running Debian guest
In both cases the display goes black and does not respond to mouse or keyboard (feels like going into screensaver and never returning- to avoid confusions no screensaver is running in either guest ). In case B I have also a Centos host that works without problems.
Now if i restart the guest window manager , the display comes back .Also in case B I managed to get the display back by playing around with "auto-resize guest display" and "Adjust window size" from the VirtualBox gui .Strange!!!
In both debian guests kernel version is 2.6.32-5 (although different architectures: x86 and amd64) .
I will try to find time to compile a custom kernel and see if it is the kernel of the guest that's causing this .
In the meantime if anyone has a clue what might be wrong please jump in and help !
Thank you !