I am pretty sure I was getting a similar effect on an PowerPC 604e/linux-ppc. I was using pd -rt on 4 Mac 8600s , and everything would work fine for a while. Then the machines would basically freeze, they were pingable, but I couldn't do anything and the sound playback would stop. And this is with pd playing back a few samples with no filtering or effects, so it shouldn't be using much CPU.
Its easy to reproduce, if you'd like some info on it.
.hc
On Thu, 7 Nov 2002, Miller Puckette wrote:
It's supposed to put Pd to sleep for a short time by sending it a "HUP" signal that Pd should duly catch and go to sleep for 30 msec. The hope is that that would be an adequate amount of time for the rest of the system to sort of run minimally... if that wasn't done you'd never get your machine back.
There's another problem that I've been unable to resolve which is why the CPU usage mysteriously goes up on P4s (there have been postings about this but I don't have a P4 handy to try things on...) It has to do with the P4s throwing floating exceptions at rude times.
cheers Miller
On Thu, Nov 07, 2002 at 12:12:57AM -0600, Ben Saylor wrote:
I sometimes encounter situations where Pd (0.35/Linux) spontaneusly starts eating all available CPU, and I have to wait until I can get a keystroke in edgewise to kill it. While this is going on,
watchdog: signaling pd...
is printed repeatedly in the terminal, but apparently this watchdog is unsuccessful. Is it supposed to turn off DSP or something?
Ben
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