ISA interrupts on Alpha (PAS16)

Bob McElrath (mcelrath@draal.physics.wisc.edu)
Fri, 16 Oct 1998 02:56:29 -0500 (CDT)

I'm having some problems with an ISA Pro Audio Spectrum 16 card on a DEC
AlphaPC164LX motherboard. I have configured the kernel (2.1.125) to use
both the PAS and its Sound Blaster emulator. (2 audio devices). However,
when I attempt to use the PAS I get the following error:

Oct 16 02:49:45 draal kernel: Sound: DMA (output) timed out - IRQ/DRQ config error?

When I attempt to use the SB emulation of the card I get:

Oct 16 02:52:10 draal kernel: Sound: DMA (output) timed out - IRQ/DRQ config error?
Oct 16 02:52:10 draal kernel: Sound: Error. Audio interrupt (0) after freeing buffers.
Oct 16 02:52:11 draal last message repeated 79 times

The obvious answer is that I've got the IRQ and/or DMA configured
wrong...but I don't (I've checked several times, both the SB and PAS are
configured properly wrt IRQ/DMA). After playing several files,
/proc/interupts reveals:

(0)<root@draal:/root> cat /proc/interrupts
1: 3496 keyboard
4: 2397 + serial
5: 25 soundblaster
8: 670187 timer
10: 0 PAS16
16: 6755 BusLogic BT-958
17: 9279 eth0

Could there be a general problem with ISA interrupts on this board?

thanks,
-- Bob

./'^`\._./'~`\._./'~`\._./'~`\._./'#`\._./'~`\._./'~`\._./'~`\._./'^`\.
/ Rube Goldberg? Bah! Amateur! I give you..Windows 98! Linux everywhere \
| Linux, because everyone's work is mission critical. ANYTHING inside. |
|_Bob McElrath (mcelrath@wisconsin.cern.ch) Univ. of Wisconsin at Madison_|
\.___________________________________________________________________./

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