Re: [Autotest] [Autotest PATCH] KVM test: Add a subtest vnc via which interacts with guest

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On Thu, Dec 31, 2009 at 3:37 AM, Yolkfull Chow <yzhou@xxxxxxxxxx> wrote:
> On Fri, Dec 18, 2009 at 09:25:24AM -0600, Ryan Harper wrote:
>>
>> Can we make this configurable? vncviewer does have a few bugs that kvm
>> tends to expose; it'd be good to let the admin set this value.
>
> Hi Ryan,
>
> Sorry for late reply and thanks very much for these suggestions.
>
> During our testing, we found a problem for this test:
> the sessions autotest server gets from its client machines will not
> get X services and this test will always fail with following error:
>
> 12/29 17:04:44 DEBUG|       vnc:0020| Try to connect to guest via vnc, vnc_port is: 1
> 12/29 17:04:44 DEBUG|       vnc:0023| Using command to vnc connect: vncviewer localhost:1
> 12/29 17:04:44 DEBUG|kvm_subpro:0686| (vnc)
> 12/29 17:04:44 DEBUG|kvm_subpro:0686| (vnc) VNC Viewer Free Edition 4.1.2 for X - built Jan 26 2009 11:52:08
> 12/29 17:04:44 DEBUG|kvm_subpro:0686| (vnc) Copyright (C) 2002-2005 RealVNC Ltd.
> 12/29 17:04:44 DEBUG|kvm_subpro:0686| (vnc) See http://www.realvnc.com for information on VNC.
> 12/29 17:04:44 DEBUG|kvm_subpro:0686| (vnc) vncviewer: unable to open display ""
> 12/29 17:04:44 DEBUG|kvm_subpro:0686| (vnc) (Process terminated with status 1)
> 12/29 17:04:44 ERROR|       kvm:0063| Test failed: Vnc connect to guest failed
>
> Therefore, we need to use socket to connect to vncserver of qemu-kvm and analyse the header
> info readed from socket connection. I will improve this test later.

Yes, and even though reading the header info doesn't quite guarantee
that we'll have bug-free vnc streaming.

If you have a new version of the test with these limitations worked
out, please let us know.

Cheers,

-- 
Lucas
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