Re: [BUG] no boot with 2.6.21-rc3 and later

john stultz
2007-03-22T19:56:49Z

On Thu, 2007-03-22 at 13:39 -0600, Bob Tracy wrote:
> john stultz wrote:
> > On Thu, 2007-03-22 at 13:14 -0600, Bob Tracy wrote:
> > > john stultz wrote:
> > > > Try this patch and let me know if it does the right thing.
> > >
> > > Will do. I'll report back in a few hours.
> > >
> > > > Although I do
> > > > still need to dig a bit on the PIT hang issue.
> > >
> > > Any chance this might be related to the APIC issues currently being
> > > discussed in other threads?
> >
> > Hmmm. Good thought, I'll have to look into it. It could be that if the
> > PIT is disabled in favor of the local apic, we'll have to make sure its
> > not being used as a clocksource.
>
> According to the dmesg output, the local apic is disabled in the BIOS on
> this system, and I'm not booting with "lapic" to enable it.
>
> Anyway, the "few hours" turned out to be more like a few minutes :-).
> The patch worked as far as selecting/installing the acpi_pm clocksource
> instead of the pit clocksource, and there was no hang during boot. If
> you would like to see the dmesg output, let me know and I'll forward it
> to you in a separate message.

Great to hear! Please do send me the dmesg output so I can look to
narrow down what's happening w/ the PIT.

I'll also go ahead and push that acpi_pm change to akpm.

thanks
-john