Re: Sound problems, Scsi CDDA ripping. 2.2+

Pavel Machek (pavel@bug.ucw.cz)
Sun, 21 Feb 1999 15:27:13 +0100


Hi!

> > > I'm having a problem on three computers, where the computer refuses to
> > > play sound. I suspect that the sound driver allocates the DMA every time
> > > the audio device is opened inseted of when the driver is loaded, this is
> > > not acceptiable with the current state of Linuxes VM.
> >
> > Its configurable (dmabuf=1)
> >
> Still this isn't too good when you're using modularized sound drivers and
> want to load them say... after a week of uptime ;)
> ... or you're developing driver which uses DMA and you hate rebooting
> every time you make changes to it as the kernel won't give you DMA:ble memory
> [... or use kmod for sound drivers]

I have these problems, too. My "work around" is to run stress program
which eats megabytes of memory. Then I kill it and hope that there's
big enough continuous chunk. It usually works.

Pavel
PS: Perhaps kernel should do this itself?

-- 
I'm really pavel@atrey.karlin.mff.cuni.cz. 	   Pavel
Look at http://atrey.karlin.mff.cuni.cz/~pavel/ ;-).

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