[AG-TECH] Rat MBUS funny

Piers O'Hanlon p.ohanlon at cs.ucl.ac.uk
Tue Jun 20 14:12:47 CDT 2006

Thanks for reporting this - Unfortunately this is probably due to the
MBUS timing-out whilst you're dragging the RAT user interface around.
The RAT UI and media-engine communicte using the MBUS. We will need to
notify the MBUS that the User interface is aware that is being

This shouldn't affect VIC since it is single process application -
whereas as I explained RAT consists of two processes.


On 6/9/06, Bonnett, PG (Paul) <P.G.Bonnett at rl.ac.uk> wrote:
> Stephen,
> We see this failure regularly as we have an over enthusiastic operator
> who drags the RAT across the screen too quickly and can easily create
> this error.
> I'm glad someone else sees this - I sometimes feel we are the only site
> with problems!
> Paul
> Rutherford Appleton Laboratories
> Oxon, UK
> -----Original Message-----
> From: owner-ag-tech at mcs.anl.gov [mailto:owner-ag-tech at mcs.anl.gov] On
> Behalf Of S.Booth
> Sent: 09 June 2006 13:57
> To: ag-tech at mcs.anl.gov
> Subject: [AG-TECH] Rat MBUS funny
> I spotted a funny behaviour with RAT on windows yesterday.
> If you pick up the RAT window with the mouse and waggle it back and
> forth for 30 seconds or so you sometimes get a the ratmedia program
> falling over with a "MBUS error" pop-up window.
> I managed to reproduce this with both AG3.0.1 on XP and AG2.4 on
> Win-2000 in both cases I was in a venue with background music playing so
> there was a lot of mbus traffic to update the level meters and both
> systems were dual CPU.
> These are a fairly contrived set of circumstances and  Ive never seen
> this in a real meeting but it looks to me that the mbus code needs
> tweaking a bit.
>                         Stephen
> ======================================================================
> |epcc| Dr Stephen P Booth             Principal Architect       |epcc|
> |epcc| s.booth at epcc.ed.ac.uk          Phone 0131 650 5746       |epcc|
> ======================================================================

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