Re: Local APIC option (CONFIG_X86_UP_APIC) locks up Inspiron 8100
andersg@0x63.nu
Wed, 31 Oct 2001 22:42:01 +0100
On Wed, Oct 31, 2001 at 09:11:38PM +0100, Mikael Pettersson wrote:
> I wrote:
> > > Not all BIOS firmware can cope when we switch to UP-APIC. Some laptops
> > > really don't like it one bit.
> >
> >Correct, and the I8x00 is the prime example of that.
> >
> >I have a fix, but it involves fairly major surgery:
> >- Implement bt_ioremap()/bt_iounmap() which work at early boot-time (the
> > normal ioremap doesn't work yet).
> >...
> >The patch is still _very_ rough, but it seems to work. Let me know if you want it.
>
> The patch is now available at
> http://www.csd.uu.se/~mikpe/linux/patch-2.4.13ac5-init-order-5
The same problem appears on "Dell Latitude C810". So that should probably be
added to the dmi-backlist too.
--
//anders/g
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