[PlanetCCRMA] Jack/ALSA shutdown unexpectedly

[Len]

> > Under the planetccrma rt kernel (2.6.24.3-1.rt1.2.fc8.ccrmart) I'm getting 
> > the following messages.  So far, I have not been able to reproduce the problem 
> > using the stock f8 kernel (2.6.24.4-64.fc8).

> It would seem you are hitting some sort of bug or interaction between
> the realtime kernel and the echo sound driver. 

> > kernel: ALSA sound/pci/echoaudio/echoaudio.c:745: pcm_trigger stop

> What is right before this? Nothing else relevant?

No, nothing.

> It would seem the echo driver is having some problem and it is triggering 
> the shutdown of jack. You could try booting with "acpi=off" or "nohz=off"
> to see if that helps (just a guess, no real reason to know that it will
> fix anything...)


Ooh.  It didn't like that (acpi=off nohz=off).  Ditto for all other PCI / USB devices:


kernel: PCI: No IRQ known for interrupt pin C of device 0000:00:10.4. Probably buggy MP table.
kernel: ehci_hcd 0000:00:10.4: Found HC with no IRQ.  Check BIOS/PCI 0000:00:10.4 setup!
kernel: ehci_hcd 0000:00:10.4: init 0000:00:10.4 fail, -19

kernel: ALSA sound/pci/echoaudio/echoaudio.c:2001: Echoaudio driver starting...
kernel: PCI: No IRQ known for interrupt pin B of device 0000:0a:0d.0. Probably buggy MP table.
kernel: ALSA sound/pci/echoaudio/echoaudio.c:1918: chip=ffff81007e5cc000
kernel: IRQ handler type mismatch for IRQ 0 
kernel: ALSA sound/pci/echoaudio/echoaudio.c:1943: cannot grab irq
kernel: Echoaudio Layla24: probe of 0000:0a:0d.0 failed with error -16










> Apr 26 13:48:12 localhost kernel: ALSA sound/pci/echoaudio/echoaudio_dsp.c:846: stop_transport 10001
> Apr 26 13:48:12 localhost kernel: ALSA sound/pci/echoaudio/echoaudio.c:646: pcm_hw_free(0)
> Apr 26 13:48:12 localhost kernel: ALSA sound/pci/echoaudio/echoaudio_dsp.c:1067: free_pipes: Pipe 0
> Apr 26 13:48:12 localhost kernel: ALSA sound/pci/echoaudio/echoaudio.c:653: pcm_hw_freed
> Apr 26 13:48:12 localhost kernel: ALSA sound/pci/echoaudio/echoaudio.c:468: pcm_close
> Apr 26 13:48:12 localhost kernel: ALSA sound/pci/echoaudio/echoaudio.c:473: pcm_close  oc=1  cs=1  rs=1
> Apr 26 13:48:12 localhost kernel: ALSA sound/pci/echoaudio/echoaudio.c:479: pcm_close2 oc=1  cs=1  rs=1
> Apr 26 13:48:12 localhost kernel: ALSA sound/pci/echoaudio/echoaudio.c:646: pcm_hw_free(16)
> Apr 26 13:48:12 localhost kernel: ALSA sound/pci/echoaudio/echoaudio_dsp.c:1067: free_pipes: Pipe 16
> Apr 26 13:48:12 localhost kernel: ALSA sound/pci/echoaudio/echoaudio.c:653: pcm_hw_freed
> Apr 26 13:48:12 localhost kernel: ALSA sound/pci/echoaudio/echoaudio.c:468: pcm_close
> Apr 26 13:48:12 localhost kernel: ALSA sound/pci/echoaudio/echoaudio.c:473: pcm_close  oc=0  cs=1  rs=1
> Apr 26 13:48:12 localhost kernel: ALSA sound/pci/echoaudio/echoaudio.c:479: pcm_close2 oc=0  cs=1  rs=0
> 
> 
> >From qjackctl message window:
> 
> 13:48:12.228 Shutdown notification.
> 13:48:12.258 JACK is stopping...
> 13:48:12.263 JACK is being forced...
> ALSA: poll time out, polled for 8705414 usecs
> DRIVER NT: could not run driver cycle
> jack main caught signal 12
> cannot read server event (Success)
> cannot complete execution of the processing graph (Resource
> temporarily unavailable)
> zombified - calling shutdown handler
> no message buffer overruns
> 13:48:12.465 JACK was stopped successfully.
> 13:48:12.466 Post-shutdown script...
> 13:48:12.467 killall jackd
> jackd: no process killed
> 13:48:12.913 Post-shutdown script terminated with exit status=256.


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