Messages in this thread |  | | Subject | Re: [Jackit-devel] Re: little NPTL SCHED_FIFO test program | From | Lee Revell <> | Date | Fri, 20 Aug 2004 05:42:59 -0400 |
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On Fri, 2004-08-20 at 05:20, martin rumori wrote: > On Fri, Aug 20, 2004 at 03:38:44AM -0400, Lee Revell wrote: > > > I have built a glibc with the patch you (Lee) sent to the bug-report. > > > > This fixes the problem, jackd now works correctly. I cannot take credit > > for finding the problem though, Florian did most of the work in tracking > > this down. > > same here, really great (debian unstable). > > wanted to try the volunteer preempt patch for the first time, (until > now running 2.6.7-cko5 atm). > > tried to compile 2.6.8.1 with volunteer-preempt-P5 (latest), but > wasn't able to boot into the new kernel. shows some lines of ACPI.... > directly after unpacking, then stops for about 1 second (without an > error message, last line is something with a specific processor flag), > then reboots. not long enough to see something meaningful... >
I think you have an off-by-one error. The latest version is -P4.
Try the 'noacpi' boot option. Also, try disabling all power management. I know this is not realistic for a laptop, it's just for debugging purposes.
> ACPI is disabled in favor of APM, changed that, same behavior: there > is some lines starting with ACPI on the screen, either way. applied > latest acpi.sf.net patch, same thing. would like to keep APM since > ACPI doesn't work that well with my machine. stock 2.6.8.1-acpi boots > fine (with the usual acpi oddities, with or without acpi patch), apm > with 2.6.8 not yet tried (don't expect problems). > > thinkpad t40p, PM-1600, 512 MB, latest bios/embeddecontroller. > > is there something like that known with volunteer-preempt? should i > try an older version (== P4) first? are there some config options > which are especially meaningful? >
I am adding LKML and Ingo to the cc: list as he has requested any reports of ACPI problems with the VP patches.
Lee
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