On Friday 15 December 2006 10:14, Joacim Persson wrote:
> On Fri, 15 Dec 2006, leee wrote:
> > Well, I've tried removing references to AI aircraft, including removing
> > references to it from preferences.xml, ensuring that the VBlank nVidia
> > settings are checked and also re-compiling my kernel without pre-emption
> > but none of it seemed to make any difference - I still get the periodical
> > pause despite reasonable frame rates.
>
> I am (and many others are) experiencing the same phenomenon (and much
> worse), but not just with your Sukhoi and not only in FG. Something's wrong
> with the nvidia drivers or GL libs for linux (also reported for FreeBSD,
> don't know about Solaris).
>
> It may of course be different causes for the same symptom. There is not
> infinite cpu or gpu power available, nor bus bandwidth (pci bus latency
> timers?) nor memory (video or system such).
>
> ...a kernel without preemption? =8-o ("non-preemption" is one of Koffman's
> four necessary and sufficient conditions for deadlock)
>Hmm... hadn't thought about trying different video drivers... that wouldn't explain why some other aircraft don't display this problem though, or do you get it with all aircraft? CONFIG_PREEMPT in kernels is optional. This may be a different level of premption to the one that Koffman (who he?) refers to. LeeE ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys - and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV _______________________________________________ Flightgear-devel mailing list Flightgear-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/flightgear-devel
