On Thu, August 16, 2007 16:01, Gilles Chanteperdrix wrote: >> >> > > >> trying to use RTnet and having massive synchronisation >> problems, >> >> a >> >> > > >> problem >> >> > > >> with xenomai latencies came up. >> >> > > >> Our xenomai latency test gives weird values. Attached a >> >> xeno-test >> >> > log. >> >> > > >> Does anyone have an idea ? >> >> > > > Yes, read the FAQ and try the proposed workarounds. >> >> > > Sorry not to mention it. Of course we used all the settings in >> the >> >> FAQ >> >> > and >> >> > What does your kernel logs say about SMI workaround, is it working >> ? >> >> It does not say anything about SMI, reading the Torubleshoothing >> file, >> >> it >> >> sound like there should be a warning if it is not working. >> > But you should get a message "SMI enabled" in the kernel logs. Do you >> get >> > it ? >> Nope...there isn't an entry with SMI at all in all /var/log/* > Aha, this probably means that your chipset is not supporte, could you > run lspci and send us the output ?
it is attached. >> >> > > Or am I just too blind to find other workarounds there ? >> >> > There is also the X-server workaround, and the Legacy USB >> workaround. >> >> No HW Acceleration on. >> >> Legacy USB Option in Bios is missing (like a lot more... :-/ ) >> >> > What version of Xenomai are you using ? >> >> Xenomai 2.3.2 with Linux Kernel 2.6.20 >> > In case there is a bug in the newly introduced direct access to tsc >> > from posix clock functions, could you re-compile with access to hw tsc >> > disabled and re-run cyclictest ? >> I could, just being not able to find the option ;) > It is the option --disable-x86-tsc of the configure script. That's why I didn't find it :-) Did it, but it did not change anything. Greets, Nadym
lspci.log
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