On Tue, 2006-08-01 at 15:13 +0200, Gilles Chanteperdrix wrote: > Julien Heyman wrote: > > Some good news from my side : > > I did the same on my EPIA box (added Option "NoAccel" in the Device > section > > referring to the Trident video driver) and since then the latency test > works > > like a charm. Zero overrun, and a stable max value (around 50 > microseconds), > > even when I launch multiple heavy applications at the same time. > > Display performance has obviously taken a bit hit, but this is not my main > > concern for now. > > Thanks for the tip, there is no way I would have figured that one out by > > myself ;) > > Maybe this tip deserves an entry in the TROUBLESHOOTING file?
Indeed. Please commit. > plain text document attachment (xeno-x-noaccel.diff) > Index: TROUBLESHOOTING > =================================================================== > --- TROUBLESHOOTING (revision 1403) > +++ TROUBLESHOOTING (working copy) > @@ -218,6 +218,17 @@ > > ______________________________________________________________________ > > +Q: I am seeing high latency spots when running under X-window, what > + can I do? > + > +A: Try disabling hardware acceleration in the X-window server > + configuration file; in the "Device" section of /etc/X11/XF86Config-4, > + add the following line: > + > + Option "NoAccel" > + > +______________________________________________________________________ > + > Q: Xenomai HAL's initialization fails with error: -1 no such device > > A: Dumping the kernel message log using "dmesg" will likely give you -- Philippe. _______________________________________________ Xenomai-help mailing list [email protected] https://mail.gna.org/listinfo/xenomai-help
