spurious 8259A interrupt : IRQ7 + motherboard

Dan Osterrath do3 at mail.inf.tu-dresden.de
Thu Jan 16 20:19:00 PST 2003


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> I know that.  But the kernel should silently ignore interrupts from an
> uninitialized device, and if it doesn't, they should fix it.  btw, it may
> depend on the kernel too.  I use 2.4.18, and it works like a charm, no
> noise whatsoever.  Hell, it may just be I'm lucky at this.

No. The kernel prints this message when it receives a interrupt and does not 
know what to do with it as no device driver is listening for an irq 7 or ever 
initialized it.

BTW: Theses messages are quite old. They have been generated also by 2.4.0 
kernels as far as I remember.

- -- 
- ----------------------------------------------------------------------
%> ln -s /dev/null /dev/brain
%> ln -s /dev/urandom /dev/world
%> dd if=/dev/world of=/dev/brain
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aabZzxiXobXz/wTbts8r0do=
=t1dM
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