<br><br><div><span class="gmail_quote">On 1/20/07, <b class="gmail_sendername"><a href="mailto:linuxmedia4@netscape.net">linuxmedia4@netscape.net</a></b> <<a href="mailto:linuxmedia4@netscape.net">linuxmedia4@netscape.net
</a>> wrote:</span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"> >> Can anyone spot where the "weak link" is in my system. I put in this
<br> >> post (what I believe) is the most relevant information...</blockquote><div><br>Is cpuspeed running? If so, disable it.<br><br>Also I note that ingo is keeping a repository of the latest rt kernels (he's at
2.6.20 something at present) at:<br><br><a href="http://people.redhat.com/mingo/realtime-preempt/yum.README">http://people.redhat.com/mingo/realtime-preempt/yum.README</a><br></div><br>This series has been pretty good for me, but YMMV
<br><br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"> >><br> >> My system...<br> >> Dell Precision M50 laptop<br> >> 2 GHz Processor
<br> >> 1 Gig Ram<br> >> 2.6.16-1.2080.16.rrt.rhfc5.ccrma<br> >> 7200rpm hard drive<br> >><br> >> 'cat /proc/interrupts' (before disabling peripherals) shows:<br> >> 11: 8900 XT-PIC [........./ 0] yenta, yenta, yenta,
<br> >> pcmcia2.0, Indigo IO, uhci_hcd:usb1, uhci_hcd:usb2, ohci1394<br><br> > What does IRQ 11 look like when the unused drivers are unloaded?<br><br>Actually, I never went back to (en)abling the peripherals in BIOS. I'll
<br>wait untill I finally find the culprit and then enable them and see what<br>happens. So this reflects my current situation...<br><br> 0: 555937 XT-PIC [........N/ 0] pit<br> 1: 1344 XT-PIC [........./ 1] i8042
<br> 2: 0 XT-PIC [........N/ 0] cascade<br> 7: 0 XT-PIC [........./ 0] Intel 82801CA-ICH3, Intel<br>82801CA-ICH3 Modem<br> 8: 1 XT-PIC [........./ 0] rtc<br> 9: 0 XT-PIC [........./ 0] acpi
<br> 11: 7038 XT-PIC [........./ 0] yenta, yenta, Indigo IO,<br>uhci_hcd:usb1, uhci_hcd:usb2, ohci1394, eth0<br> 12: 24456 XT-PIC [........./ 0] i8042<br> 14: 14998 XT-PIC [........./ 0] ide0<br>NMI: 0
<br>LOC: 0<br>ERR: 0<br>MIS: 0<br><br> > Did you run the rtirq script?<br><br>During bootup, I see mentions of S88rtirq, so I looked and I see there<br>is '/etc/rc.d/rc3.d/S88rtirq'.<br><br> > Does JACK report xruns when these glitches happen?
<br><br>While recording with ecasound (with realtime privileges) and running<br>'jackd -v -R -dalsa -r48000 -p512 -n2 -D -Chw:2 -Phw:2'... during the<br>interruptions, I received these messages...<br><br>(I get interruptions with every combination of periods and buffer sizes
<br>I've tried)<br><br>delay of 42746.000 usecs exceeds estimated spare time of 9632.000;<br>restart ...<br>delay of 42669.000 usecs exceeds estimated spare time of 9625.000;<br>restart ...<br>delay of 42647.000 usecs exceeds estimated spare time of
9608.000;<br>restart ...<br>delay of 42646.000 usecs exceeds estimated spare time of 9700.000;<br>restart ...<br>delay of 42600.000 usecs exceeds estimated spare time of 9741.000;<br>restart ...<br><br>Thanks... keep the suggestions coming. I'm not going to settle for this
<br>as the result after investing 5 years into Linux/Audio.<br><br>Rocco<br><br></blockquote></div><br><br clear="all"><br>-- <br>Mike Taht<br>PostCards From the Bleeding Edge<br><a href="http://the-edge.blogspot.com">http://the-edge.blogspot.com
</a><br>"Have you noticed that the earth is tipped away from the sun at the moment? Really sloppy quality control. I filed a request to have it tipped towards the sun again, but you know how these things go. Probably take 'em 6 months to fix it" -
E.H.