13 Feb
2003
13 Feb
'03
4:29 a.m.
> Mark Knecht <mknecht(a)controlnet.com> Wrote:
> Rocco,
> Hi. Why all the focus on the disk drive side only? There's
> also a good chance that the sound card is not getting serviced
> and this causes the interruption.
>
> Things to think about and look for:
>
> 1) Interrupts are not set up well
Someone on this list mentioned an article that you
wrote about
IRQ priority ordering and Latency using lspci.
<CHOP>
This time I used the correct keywords and it took me
right
to the HOWTO.
<CHOP>
I will work with that and see if that has an effect on
the situation.
I read the article, and did "cat /proc/interrupts" and got the
following:
CPU0
0: 30093 XT-PIC timer
1: 356 XT-PIC keyboard
2: 0 XT-PIC cascade
8: 2 XT-PIC rtc
11: 21919 XT-PIC EMU10K1
12: 73 XT-PIC usb-ohci, usb-ohci
14: 12651 XT-PIC ide0
15: 15 XT-PIC ide1
NMI: 0
LOC: 0
ERR: 0
MIS: 0
From what I read from the article, (and the little
understanding I have
about this subject) nothing seemed unusual. With the
exception of the
non-PCI slot IRQ's, the Sound Card appears to be before all others.
The article talks about some IRQ's being shared. Would that be
reflected in the output of "cat /proc/interrupts"?
Before I switched my Sound Card to another slot, I thought I would
disable USB in the BIOS since it's just being used for the mouse. I'm
now using a ps mouse.
after booting up and doing "cat /proc/interrupts" I got the following:
CPU0
0: 25160 XT-PIC timer
1: 542 XT-PIC keyboard
2: 0 XT-PIC cascade
8: 2 XT-PIC rtc
11: 0 XT-PIC EMU10K1
14: 7620 XT-PIC ide0
15: 15 XT-PIC ide1
NMI: 0
LOC: 0
ERR: 0
MIS: 0
Even though there was no indication that the Interuptions (while
recording) would stop, I still tried recording. I got the usual
interruptions.
Then I switched the sound card to the other PCI slot. There's only 2
PCI slots because the Mother Board came with onboard this and onboard
that (all of which I don't use and have disabled in the BIOS).
The other thing is that there's _nothing_ in the other PCI slot. But I
put it in the other slot anyways. And as you can guess, I got the same
results from "cat /proc/interrupts".
All I can think of is that there may be a reason why my Mother Board
was inexpensive. Maybe it's time to buy a new Mother Board.
Can anyone think of any other solution?'
Thanks,
Rocco
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