[Spice-devel] gtk client side timeouts

[David Jaša]

Hi,

For the record, I've recently reported bug about pretty much the same
thing:
https://bugzilla.redhat.com/show_bug.cgi?id=1436589

David

On Fri, 2017-03-10 at 10:49 -0600, Jeremy White wrote:
> Hey all,
> 
> We've got an issue with a remote viewer kiosk.  That is, in our
> normal
> mode of operation, if something goes wrong with a client connection
> (e.g. the sessions is killed, server restarted normally), the kiosk
> will
> exit on disconnect, and we get a chance to retry the connection, or
> present the user with a 'server down' style message.
> 
> But in the case of a serious network problem or a server hard power
> cycle (i.e. no TCP FIN packets can flow), our end user behavior is
> not
> ideal - the kiosk appears to hang solid, requiring a power cycle.
> 
> That's because we've got the stock keepalive timeouts, or about 2
> hours
> and 11 minutes, before the client sees the disconnect.
> 
> Now this is a relatively rare occurrence, and arguably a minor
> nuisance,
> but I've been asked to see what it would take to improve the
> situation.
> 
> I looked for past discussions on spice-devel; I only readily found
> discussion of the keepalive parameters on the server side, and it
> looks
> like we take the idle timer down to 10 minutes now, from 2 hours.  I
> didn't find discussion of something similar client side.
> 
> Have we considered tuning them on the spice-gtk client side?
> 
> The attached patch applies a roughly 75 second timeout for me; is
> this
> something that would be viable to add to the gtk client, even if only
> as
> an option?
> 
> Cheers,
> 
> Jeremy
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