[Qemu-devel] Re: Unable to re-establish VNC connection after some time

[Avi Kivity]

Andreas Olsowski wrote:
> Hello fellow kvm users/admins,
>  im currently running kvm-84 with linux-2.6.28.4 under x86_64.
>  My  2 linux guests are basically running the same kernel (minus iscsi, 
> multipath and
>  kvm support.
>  Another guest is a win2008 server.
>
>  All of the machines experience the same problem:
>
>  After  a  while  i can't connect via VNC, UltraVNC as well as RealVNC
>  experiencee Timeouts waiting for the server to respond.
>
>  All machines show:
>  (qemu) info vnc
>   VNC server active on: 0.0.0.0:1
>   Client connected
>
>  It  looks  like  something  has  died there ... could it be because i
>  didnt   disconnect  my  VNC Client properly?
>
>  Even (qemu) system_reset, will not bring the screen back.
>
>  I am open for suggestions.
>   

Looks like the internal vnc server deadlocked.

What does 'netstat -t' show?

Maybe the vnc gurus on qemu-devel can suggest a way to debug this further.

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