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SubjectRe: Oops on boot with both 2.2.17 and 2.4.0t8p6

On Sun, 17 Sep 2000, Rasmus Andersen wrote:

> [This is an aging thread where my old P75 machine oopsed early in
> boot for both 2.4.0-XX and 2.2.17. Mike Galbraith helped me a lot
> and among other things mailed me KDB, which, when enabled, made a
> 2.4.0-test8 kernel boot.]
>
> Hi.
>
> I finally had some time to put printks into the kernel and that
> got me somewhere. The kernel apparently oopsed in pcibios_init
> trying to detect PCI stuff through the BIOS. If I pick 'direct'
> as my PCI detection method the kernel boots fine (only tried
> 2.4.0-test9-pre2 yet, but I'll wager 2.2.17 will boot too if
> CONFIG_GOBIOS is not set).
>
> So I apparently have a wierd BIOS that makes the kernel oops. Is
> this a known problem that some BIOS' do that?

Yes, this is already known.

AFAIK most distros use CONFIG_PCI_GOANY, which causes the kernel to try to
detect the PCI devices directly, and in case this fails, it tries to
detect via BIOS.

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