On Wed, 2008-07-23 at 17:34 +0200, Robin Gareus wrote: > Esben Stien wrote: > > Susan Cragin <susancragin@xxxxxxxxxxxxx> writes: > > > >> It's stuck at 2.6.24-19, and the generic kernel is up to 2.6.26-4 > > > > http://kerneltrap.org/Linux/Removing_the_Big_Kernel_Lock > > > > It seems like we're stuck with 2.6.25. (I'm stuck with 2.6.23 cause of > > some weird audio problems with xmms2 on 2.6.24 and 2.6.25). > > > > Anyone know what the foreseeable future holds? > > 2.6.24 was very stable for audio, at least over here more so than > 2.6.25! Same here in my experience. I have not tried 2.6.26 yet. > I've got a 2.6.26-rt1 working from > git://git.kernel.org/pub/scm/linux/kernel/git/clrkwllms/rt-linux.git > > It supports Rui's rtirq setup and jackd/USB-UA25 ran >5 mins without > xruns at 128frames/period, wifi working, it suspends to RAM and > everything. BUT I did not yet try any longer since it spits out the > following message once per second: > > ======================= > BUG: sleeping function called from invalid context swapper(0) at > kernel/rtmutex.c:743 > in_atomic():1 [00000001], irqs_disabled():0 > Pid: 0, comm: swapper Not tainted 2.6.26-rt1 #2 > [<c01250cb>] __might_sleep+0xeb/0xf0 > [<c034199f>] __rt_spin_lock+0x5f/0x70 > [<c03419b8>] rt_spin_lock+0x8/0x10 > [<c01498d0>] pm_qos_requirement+0x10/0x30 > [<f886afc9>] acpi_processor_idle+0x407/0x530 [processor] > [<f886abc2>] ? acpi_processor_idle+0x0/0x530 [processor] > [<c0102cf8>] cpu_idle+0x68/0xf0 > [<c033253c>] rest_init+0x6c/0x70 > ======================= > > It does not seem to be a real Bug.. but it's an annoying /mosquito/. I asked Ingo about this and never heard back from him. This patch stops the mosquito noise for me :-) http://lkml.org/lkml/2008/6/8/59 But as there are no comments from the gurus it is possibly a bad idea (although it has not been bad in my case, AFAICT)... -- Fernando > I guess it's related to NO_HZ or some ACPI_XXX config. I could not get the > -tip branch to boot at all, but I did not try too hard just yet. > > stay tuned, _______________________________________________ Linux-audio-user mailing list Linux-audio-user@xxxxxxxxxxxxxxxxxxxx http://lists.linuxaudio.org/mailman/listinfo/linux-audio-user
