[Motmot] libcamiface 0.5 released

[John Schneider]

Hi Andrew,

Well, that fixed it! We were able to acquire throughout the night
without segmentation faults! Being of the hyper-cautious type we will
continue to test it for the next couple of days, but hopefully this
fix will resolve the issue.

Jon

On Wed, Apr 1, 2009 at 11:36 AM, Andrew Straw <astraw at caltech.edu> wrote:
> John Schneider wrote:
>> Hi Andrew,
>>
>> Unfortunately this update does not solve our segmentation faults.
>
> Thanks for checking. OK, here's a suggestion: remove the Prosilica
> camera drivers. In testing yesterday, this seemed to do the trick.
>
> dpkg --purge --force-depends libprosilica-gige0
>
> This will (temporarily) break the package management, which you can
> restore with "apt-get -f install" when it's time to upgrade again.
>
> Let me know how it goes. If need be, I can make libcamiface and
> libcamiface-prosilica packages so that only those that need prosilica
> support need to download it.
>
> These camera drivers do some really funky stuff behind the scenes
> (namely inter-process communication via signals), and while it's
> probably not technically correct to claim that they are buggy in that
> sense, it is certainly true that when using the Prosilica camera
> drivers, one's code needs to hyper-correct in ways that programmers
> don't normally consider.
>
> Thanks for your patience, and sorry about all this.
>
> -Andrew
>
> --
> Andrew D. Straw, Ph.D.
> California Institute of Technology
> http://www.its.caltech.edu/~astraw/
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