Re: IO-APIC -- lockup on machine if enabled

[Mikael Pettersson]

Matthias Andree writes:
 > On Wed, 13 Mar 2002, Mikael Pettersson wrote:
 > 
 > > p.s. The update for 2.4.19-pre3 and the full kit for 2.4.18 are
 > > at <http://www.csd.uu.se/~mikpe/linux/patches/2.4/> as usual.
 > 
 > Does that also fix the "crashes on switch back from X11 to text (or
 > frame buffer) console" that's been around since 2.4.9 or 2.4.10, but not
 > before, that bites so many users of SuSE Linux 7.3?
 > de.comp.os.unix.linux.* has at least one report every week. SuSE shipped
 > kernel 2.4.10 with 7.3.

The dmi-apic-fixups patch ONLY deals with disabling use of the local
APIC (or parts of it in some cases, e.g. AL440LX) when a known broken
BIOS or machine is detected by the DMI scan.

Without an adequate analysis of the problem you describe above I can't
even guess what the fix might be.

/Mikael