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Old 07-31-2005, 04:06 PM   #1
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localhost kernel: Disabling IRQ #7 ?

After booting 10.1 after a few minutes I get this message:

Kwrited - Listening on Device dev/pts/0
[Message from syslogd@localhost at Sun Jul 31 12:51:46 2005 ...
localhost kernel: Disabling IRQ #7

What does it mean?
Old 07-31-2005, 07:20 PM   #2
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Type 'dmesg' and see what it shows towards the end when that occurs.
Old 08-30-2005, 07:10 PM   #3
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Post Force IRQ

Hey fabre,

I was having the same problem as you and many people using kernel 2.6
are having.
I found a document telling something about kernel parameters to make kernel set IDE on a determinate IRQ, and it made me think how to solve this issue.

During boot, kernel has to set some IRQ to IDE, and depending on hardware,
usually it is 14. But sometimes, otherwise to set the 14 to it, it set the 7,
making appear this message on your console. I'm saying this because to me
was kind of randomly. Sometimes everything was fine, and other times I couldn't
do anything. My xmms and mplayer used to stuck each 5 seconds.
Playing, stuck, playing, stuck,... veeery annoying!

The idea is to force kernel to always choose IRQ 14.
If you're using grub, force ide0 having IRQ 14 passing to kernel what you want trough kopt option:

If you're using lilo use the append option:

If you do "cat /proc/interrupts" you can know wich IRQ your IDE took.
And after set those parameters accordingly to your hardware and boot it up,
give another cat on interrupts to check if your IDE was set fine.

To find out about other configurations to other IDE numbers, have a look on:


Felipe Saraiva.


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