[LinuxBIOS] Kernel lock-ups??
uwe at hermann-uwe.de
Tue Oct 16 19:33:38 CEST 2007
On Tue, Oct 16, 2007 at 06:31:19PM +0200, Stefan Reinauer wrote:
> ron minnich wrote:
> > Factory bioses frequently ship with broken IRQ tables. The 'hlt'
> > problem is a classic 'clock interrupts are not working' symptom. This
> > is good (it's basic) and bad (it can be a bear to debug).
> > how do vendors get around their own broken tables in the fuctory bios?
> > It appears they ignore them and just jam the correct bits into
> > correct places. sad, but true. We see it all the time.
> Vendors also ship with ACPI. As soon as Linux detects a reasonably
> complete ACPI implementation, it will not even look at IRQ tables anymore.
I'm curious, can we make the same assumptions for other payloads/OSes?
Windows, *BSD, Solaris, Plan 9, OS/2 (yuck), DOS, OFW(?), whatever...
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