On Tue, Dec 08, 2009 at 12:48:22PM +0100, Gabor Gombas wrote:
> On Mon, Dec 07, 2009 at 09:41:25PM +0100, Guido Günther wrote:
> 
> > Is this still an issue with 0.8.1?
> 
> Yes. Actually it got worse (or just more reliable): I now managed to
> hang virt-manager by opening/closing just a single VM window. Summary:
> 
> - VM #1 runs Linux (all the other VMs run Windows). Opening/closing just
>   this VM causes virt-manager to hang reliably. 
> 
> - If I open multiple windows and then close them in the exact reverse
>   order, then there is no hang.
> 
> - If close windows in any other order, then virt-manager hangs. That is,
>   if I open 3 windows and close the second, it hangs.
> 
>   AFAIR 0.8.0 hung only when closing the window that was opened first;
>   opening/closing subsequent windows did not cause problems as long as
>   the first window was alive. OTOH 0.8.0 crashed sometimes instead,
>   which 0.8.1 did not do so far.
> 
> - Even if I close all the windows in the "right" order and exit
>   virt-manager normally, the ssh process to the remote machine remains
>   there in the background.
> 
> - Even if I kill this ssh process, on the remote node an "nc -U
>   /var/run/libvirt/libvirt-sock" process remains alive. Not sure if this
>   is really a problem or not; at least killing these processes and
>   trying again does not change anything.
This might be caused by nc calls needing a "-q 0" argument. Could you
try adding these, it would involve adding this to libvirt in
src/remote/remote_driver.c as well as virt-manager in
src/virtManager/console.py (the later one only for console usage).

I'll check once I get around to, but this might not be too soon.
Cheers,
 -- Guido



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