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Re: [Qemu-devel] resetting a stale VNC connection

From: David S. Ahern
Subject: Re: [Qemu-devel] resetting a stale VNC connection
Date: Tue, 21 Apr 2009 09:10:39 -0600
User-agent: Thunderbird (X11/20090320)

'egrep -r SO_KEEPALIVE qemu' did not turn up any hits for the VNC code.
Can it be enabled within qemu via command line arg?

I am not aware of an OS setting to enable keepalives for all sockets. Is
there one in RHEL5?


Avi Kivity wrote:
> David S. Ahern wrote:
>> Is there a monitor command (or other method) to force a VNC client
>> connection to close?
>> It looks like the vnc code does not use keepalive probes. If the
>> connection is left hanging the VNC server will never drop it. I have hit
>> this condition a couple of times when a VPN connection drops while the
>> vncviewer is connected to a VM.
>> Specific software version at the moment is kvm-81.
> Why not just enable tcp keepalives?

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