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SubjectRe: 2.6.25-current-git hangs on boot unless CONFIG_CPU_IDLE=n - Apple
On Thu, Apr 3, 2008 at 6:10 PM, Carlos R. Mafra <crmafra2@gmail.com> wrote:
> On Thu 3.Apr'08 at 17:14:22 -0700, Pallipadi, Venkatesh wrote:
> > >The following report is on the current list of known regressions
> > >from 2.6.24. Please verify if the issue is still present in the
> > >mainline.
> > >
> > >
> > >Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=10093
> > >Subject : 2.6.25-current-git hangs on boot
> > >unless CONFIG_CPU_IDLE=n - Apple
> > >Submitter : Soeren Sonnenburg <kernel@nn7.de>
> > >Date : 2008-02-23 18:55 (41 days old)
> > >References : http://lkml.org/lkml/2008/2/23/263
> > >
> > >http://marc.info/?l=linux-acpi&amp;m=120387537018467&amp;w=4
> > >Handled-By : Pallipadi, Venkatesh <venkatesh.pallipadi@intel.com>
> > >
> >
> > Last comment I saw from Soeren says it does not really hang. It waits
> > for 5-10 seconds sometimes before continuing. We are still trying to
> > narrow this down with max_cstate etc..
>
> I should say that my laptop (Vaio) _hangs_ at boot (less than 10% of boots)
> and this is the last message I see:
>
> "ACPI: Processor [CPU1] (supports 8 throttling states)"
>
> and it stays there "forever" (more than 1 or 2 minutes at least).
>
> I am not using my laptop too much these days, and I thought this
> bug had been solved because it didn't hang for the last week (but
> I boot it once per day), however it hang last night (using some
> post 2.6.25-rc7 kernel)
>
> I have pictures of the screen while showing this last message at boot,
> should I post it somewhere or that is not necessary?.

If the sysrq key still works when that happens, try to do a sysrq-t,
s, b to generate a trace, sync the filesystem, and reboot. If anything
made it to the logs, please post it.


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