/dev/dsp device busy - one possible solution

2004-02-08 Thread Mike Harding
I was playing around with kde 3.2 and a crashing artsd was locking up my sound system - any further attempts to use sound from gnome or xmms or anything failed with /dev/dsp - device busy messages. fstat and lsof showed nothing holding the device. A reboot would fix it, but why reboot

Re: Apache and shared memory

2003-03-02 Thread Mike Harding
When people talk about optimizing mod_perl shared memory, they are not referring to System V type shared memory as seen by ipcs. They are talking about memory shared by virtue of a process fork - this is effectively read only memory. The net effect is that a process may appear to be 20 meg, but

Monitoring disk activity?

2003-02-28 Thread Mike Harding
I have disk access on my machine every 2 seconds, is there a way to figure out which process is the guilty one? Also, I have another drive which I let spin down - it spins up occasionally, I don't know why. I would like to figure out what program(s) are accessing the other disk. This is on