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Old 01-16-2002, 10:15 PM   #1
rfarmer
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Registered: Jan 2002
Posts: 1

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[URGENT] IRQ conflict between eepro100 and Matrox video card


Hi everyone,
I have a huge problem here. I am trying to set up Linux 7.2 on a PIV 1.6Ghz machine with an Intel ethernet controller and Matrox G450 video card. More often than not 7.2 will completely freeze up on me (including interrupt signals). I have had a look in /proc and found the following


/proc/interrupts has no mention of my video card
/proc/pci says that I have the eepro100 controller and the video card both sitting on IRQ 11.

I'm pretty sure that this might have something to do with my freezes. /var/log/messages also mentions eepro100 errors, xinitd "can't find transport end-point errors" and gconfd "20 items still in cache"

Can anyone out their confirm that my diagnosis is correct and how I can avoid the IRQ conflict. If anyone has had the same problem but has found a different solution to it please let me know as well.

THis is urgent as having a system up and running is vital to my research.

Thanks a million in advance

Rod
 
Old 01-17-2002, 12:40 PM   #2
Bert
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Registered: Jul 2001
Location: 406292E 290755N
Distribution: GNU/Linux Slackware 8.1, Redhat 8.0, LFS 4.0
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Unfortunately, this forum is kinda dry on Interrupts experts.

Just a thought though - have you tried setting the IRQs to [auto-configure] in the BIOS setup tool ?

This worked with me when I had conflict errors on the PCI.

Bert
 
Old 01-18-2002, 09:49 PM   #3
kendo
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Registered: Nov 2001
Location: Vladivostok, Russia
Distribution: Slackware 13.0, PCBSD 7.1
Posts: 83

Rep: Reputation: 15
IRQ conflict

First off, try moving your video card to a different slot, that will re-assign the IRQ for that, as long as it's not being shared. If you can't do that try going into your CMOS on startup and look for your IRQ settings. Determine that those two are actually sharing that IRQ. If so Look for an IRQ that is listed as "available" and move one of the listings there. Save and exit and boot as normal. You might have to go back and swap out the one you moved for the other, but that would be the worst.
 
  


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