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SubjectRe: 2.6.0-test6-bk7: kernel freeze if try to change to console
Otavio Salvador writes:
> Mikael Pettersson <mikpe@csd.uu.se> writes:
>
> > Otavio Salvador writes:
> > > Folks,
> > >
> > > I'm using kernel 2.6.0-test6-bk7 and have some problems. If I try to
> > > change to console from X my system freeze. I'm including my .config
> > > file bellow.
> >
> > I have a hunch but I need to see your boot dmesg log to confirm.
> > Please post it.
>
> Hello,
>
> Here is it.

Ok now I'm confused. The .config you posted earlier stated that
you had both UP_APIC and APM_DISPLAY_BLANK enabled. Your dmesg
log indicates that you're running on a 1.6GHz Athlon-XP, but
there's no mention of APIC anything in the dmesg log.

So either your Athlon has had its local APIC disabled, or you
changed the .config to exclude UP_APIC.

In any case, APM_DISPLAY_BLANK is known to sometimes lock up when it
blanks the console (e.g., when X exists). This is because some graphics
card BIOSen can't handle local APIC interrupts (e.g., the timer).
The workaround is to disable either APM_DISPLAY_BLANK or UP_APIC.

/Mikael
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