Re: [9fans] fresh compiled kernels no longer boot..?

[Axel Belinfante <Axel.Belinfante@cs.utwente.nl>]

i wrote:
> jmk wrote:
> > On Sun Jan 25 17:38:41 EST 2004, presotto@closedmind.org wrote:
> > > The 486 problems shouldn't bother a K6 which is a pentium comnpatible machine.
> > > However, jmk has already fixed that for 486's.  If you want, you could comment
> > > out lines 900 and 901 in 9/pc/devarch.c and see if it helps.
> > >
> > > Unfortinately, I don't have a matching processor.  I did make a cpu kernel from
> > > the distribution and it worked on a Xeon but that doesn't tell you much I guess.
> >
> > The DX value from the cpuid instruction shows the processor has the capabilities
> > which were missing on Lucio's SiS processor and causing it to reboot, so that shouldn't
> > be the problem.
>
> i commented out those lines, without result.
> got my serial cable and added some print statements to main.c;
> it seems to die in cpuidentify().
> I'll try adding some more print statements and see what I learn.

It seems that my machine did not like the line (guarded by an if statement):

rdmsr(0x1B, &apicbase);

near the end of cpuidentify().

Now that I'm looking at sources, that piece of code seems to be gone... :-)

Axel.