On Mon, 25 May 1998, "Eric L. Green wrote:
>To: Iztok Polanic <[EMAIL PROTECTED]>
>On Sat, 23 May 1998, Iztok Polanic wrote:
>> When I am doing something heavily (CPU burn) and I want to listen to a mp3
>> file or an audio file I get this:
>>
>> /dev/dsp is out of memory
>>
>> Why is this happening???
>
>It is not a matter of CPU burn. It is a matter of the design of the ISA
>bus. Apparently you have an ISA sound card that uses DMA channels. The
>problem is that ISA DMA channels can only access the bottom 1M of memory,
>because that's all that the original IBM PC had. Furthermore, all of the
>memory has to be contiguous -- no gaps in it. If the sound card is set up
>for a 32K buffer, that means you must have 32K of memory with no gaps in
>it below the 1M boundary.
Wouldn't it be better to compile the drivers monolithically into the
kernel rather than using modules in this case? It seems to me that if
this is done, and you've selected a 32K buffer, then that 32K will
always be available, and contiguous.
At least I've never seen this dsp out of memory error before.
>Eric Lee Green [EMAIL PROTECTED] Executive Consultants
>Systems Specialist Educational Administration Solutions
> See http://members.tripod.com/~e_l_green
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