Has anyone else seen this?

In the middle of playback my midiman-44 stops processing completely (no
interrupts, no activity, tried with multiple apps).  Reloading modules
succeeds, but still no sound. Dmesg shows:

ALSA ../alsa-kernel/core/pcm_lib.c:187: Unexpected hw_pointer value (stream = 0, 
delta: -629, max jitter = 3276): wrong interrupt acknowledge?
ALSA ../alsa-kernel/core/pcm_lib.c:2117: playback write error (DMA or IRQ trouble?)

ALSA is a recent version from CVS:

/proc/asound/version
Advanced Linux Sound Architecture Driver Version 0.9.0rc6.
Compiled on Jan 22 2003 for kernel 2.4.19 (SMP) with versioned symbols.

... I'll continue debugging. Next I'll reboot into non-SMP mode 
and see if I can reproduce the problem.

-- 
 http://www.eca.cx
 Audio software for Linux!



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