Re: PF Warning/Internal: pfGetVClock: failed with GLX error 0x5.

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Rob Jenkins (robj++at++quid.csd.sgi.com)
Thu, 18 Dec 1997 11:50:43 -0800


On Dec 18, 6:30pm, Daniela Rainer (RUS) wrote:
> Subject: PF Warning/Internal: pfGetVClock: failed with GLX error 0x5.
> Hi,
>
> if I open 4 windows on 2 different pipes (pipe 0: window 1 and 2
> pipe2: window 3 and 4, pipe 1 is not used for this application) I get the
> following error:
> PF Warning/Internal: pfGetVClock: failed with GLX error 0x5.
> and no window is drawn.
>
> We have a Onyx2 InfiniteReality with 3 pipes.
>

Have you recently installed the iR gfx patch 2326 by any chance ?

If so then I expect you have hit the problem that Allan Schaffer posted a
warning about recently, I'll paste details at the end here in case anyone
doesn't have it:

On Dec 10, 8:53pm, Allan Schaffer wrote:
> Subject: Warning: patch 2326 for Onyx2 IR
> Performers,
>
> Patch 2326: "Onyx2 6.4 graphics rollup #3 including GVO and DVP2
> support" contains a regression which causes multi-pipe Performer
> programs to hang. Details of a workaround are sketchy at this
> point.
>

Actually, since Allan sent this, a workaround has been put into the MR version
of Performer 2.2 and a replacement patch for 2326 ( patch 2789 ) with a fix
will be released soon.

> Note that this patch is specific to Onyx2 IR and 6.4, and that the
> only Performer programs effected by this regression would be those
> running in multi-pipe mode.
>
> Only this patch (2326) is known to have this problem. The current
> graphics roll-up patch for Onyx/6.2/IR (patch 1808) doesn't have the
> regression. Likewise, prior graphics roll-up patches for Onyx2
> didn't have the problem.
>
> The patch is still in the 12/1/97 recommended patch set for Onyx2
> because it contains some other important fixes. Those of you with a
> single-pipe system shouldn't be effected by the problem, and in fact,
> should probably load this patch.
>
> But for the moment, I'd advise those of you with a multi-pipe Onyx2
> IR running multi-pipe Performer applications to stay with patch 2191,
> "Onyx2 6.4 graphics rollup #2 including GVO support".
>
> Regards,
> Allan
>
> --
> Allan Schaffer allan++at++sgi.com
> Silicon Graphics http://reality.sgi.com/allan
> =======================================================================
> List Archives, FAQ, FTP: http://www.sgi.com/Technology/Performer/
> Submissions: info-performer++at++sgi.com
> Admin. requests: info-performer-request++at++sgi.com
>-- End of excerpt from Allan Schaffer

-- 
________________________________________________________________
Rob Jenkins mailto:robj++at++sgi.com
Silicon Graphics, Mtn View, California, USA
=======================================================================
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