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io/irq conflict detection/resolution

Posted on 2002-06-07
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Last Modified: 2013-12-16
I'm having problems installing Win2K as a guest OS in VMWare(tried 2.0 and 3.1). I'm running RH linux 7.1 with default 2.4-2 kernel. What happens is during the final steps(specifically under "performing final tasks->Registering Components(about 80% of the way through)) my PC completely locks up(no hard drive activity not even the keyboard will respond). This happens every time, at the same point.

I dual boot on this system to Win98, and I've seen a similar problem(ocassionally), usually when I print. I'm guessing there's some sort of I/O or IRQ conflict, or possibly a hardware problem somewhere. I've tried tweaking the BIOS, to no avail..(I have an Amptron K7VZA MB if that matters at all)

So anyways, I would like to find where the problem lies. I'm fairly knowledgeable in Linux(and Windows), but I've never seen such aproblem on another system. I was wondering if there's a way to do a scan of all I/O ports to see what the problem may be. It's a USB printer that I'm (almost) convinced is the culprit. Any troubleshooting ideas/tools would be greatly appreciated.
thanks!
tibori
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Question by:tibori
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jsnorman earned 200 total points
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It could be the USB printer -- I have had USB devices lock up my Linux system before.  Simple way to tell is of course to disconnect the printer and see what happens.

I would suspect a memory problem as much as a PCI problem.  Can you remove your memory and put in a new memory stick maybe borrowed from a friend just to test?
 
Also, I would upgrade to the most recent BIOS on your motherboard.

But, to answer your question, /proc contains quite a bit of information about your irq/io ports, and dmesg should show error messages from drivers.  Try these and post the resulting pcidata.txt here:

cat /proc/pci >> pcidata.txt
cat /proc/usb/devices >> pcidata.txt
dmesg >> pcidata.txt

These should give us enough information to find out if there are any obvious resource problems.

Jeff Norman



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by:tibori
ID: 7078756
It was the BIOS. Got the latest upgrade from Amptron, and everything's going smoothly. They do cite some USB bugs in earlier BIOS's(v. 3.0 in my case).
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by:jsnorman
ID: 7079119
Very glad to hear it!  
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