Re: Unexpected irq trap when booting
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On Tue, 19 Jun 2007 10:51:23 +0100
"Karl E. Jorgensen" <karl@jorgensen.org.uk> wrote:
> On Sat, Jun 16, 2007 at 12:53:11PM -0500, Jacob S. wrote:
> > Howdy List,
> >
> > In doing some googling to get Debian setup on a Dell Inspiron 1501 I
> > found some people had better success with the contrast/brightness
> > function keys if they downgraded the bios to an older version. So, I
> > tried this but Debian started hanging with an error message about
> > "unexpected irq trap at vector XX". I then upgraded back to the bios
> > version that came with the laptop, but the unexpected irq trap
> > persists.
> >
> > To make matters worse, the Debian Etch installer hangs with the same
> > error as well now (but different vector, if that means anything).
> > Knoppix, however, still boots just fine.
> >
> > I have tried adding "noapic nolapic" to the boot options. That
> > seems to help the installer boot eventually, though it still pauses
> > for a long time working on the error. Debian on the hard drive
> > still will not boot though, because it can not get root mounted
> > after the unexpected irq trap.
>
> When I did a google search for "unexpected irq trap at vector", the
> hits suggests that this is ACPI related, not APIC ...
>
> So perhaps booting with "acpi=off" will make some headway?
>
> There are some other acpi-related parameters too you might want to
> play with...
Good thought, but "acpi=off" did not make any (noticeable) difference.
It still hung during boot with an unexpected irq trap.
Thanks,
Jacob
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