Re: State of the Linux PCI and PCI Hotplug Subsystems for 2.6.16-rc5

[Arjan van de Ven <arjan@infradead.org>]

On Thu, 2006-03-09 at 15:46 -0500, Dave Jones wrote:
> On Thu, Mar 09, 2006 at 09:37:50PM +0100, Arjan van de Ven wrote:
>  > On Thu, 2006-03-09 at 11:49 -0800, Linus Torvalds wrote:
>  > > 
>  > > On Thu, 9 Mar 2006, Tomasz Torcz wrote:
>  > > > > 
>  > > > >   "Fedora rawhide kernel stopped booting for a bunch of people, all with 
>  > > > >    686-SMP boxes. I saw it myself too, it hung just after the 'write 
>  > > > >    protecting kernel rodata'.
>  > > > > 
>  > > > 
>  > > >   Ubuntu has similar problem:
>  > > > https://launchpad.net/distros/ubuntu/+source/linux-source-2.6.15/+bug/29601
>  > > >  I believe Ubuntu's 2.6.15 source is vanilla+git patches.
>  > > 
>  > > Interesting. He also apparently boots with "noapic nolapic" on the "386" 
>  > > kernel, but not the "686" kernel.
>  >
>  > hmm curious; I wonder if the "weird" (as in, Arjan considers it a stupid
>  > idea and broken) "enable APIC on UP but not really" patch is at fault
>  > here, which isn't in mainline....
> 
> Not present in the Fedora kernels any more, and this bug has been seen in
> ones without it.

ok then that's ruled out... (I assume apics are entirely off now for at
least one build that has seen this behavior)

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