> On Fri, 9 Nov 2007 09:47:02 +0100 SANGOI DINO LEONARDO <[email protected]> wrote:
> > Hi,
> >
> > My laptop (an HP nx6125) doesn't boot with kernels 2.6.24-rc1 and
> > 2.6.24.rc2.
> > It works fine with 2.6.23 and older.
> >
> > I seen this bug first while running fedora rawhide, so you can find hardware
> >
> > info and boot logs at https://bugzilla.redhat.com/show_bug.cgi?id=312201.
> >
> > I did a git bisect, and got this:
> >
> > $ git bisect bad
> > 4f86d3a8e297205780cca027e974fd5f81064780 is first bad commit
> > commit 4f86d3a8e297205780cca027e974fd5f81064780
> > Author: Len Brown <[email protected]>
> > Date: Wed Oct 3 18:58:00 2007 -0400
> >
> > cpuidle: consolidate 2.6.22 cpuidle branch into one patch
... snip ...
> > Config is taken from Fedora kernel. CONFIG_CPU_IDLE is set to y (tell me if
> > full config is needed).
> >
> > If I use 'nolapic' parameter, kernel 2.6.24-rc1 boots fine.
> > Setting CONFIG_CPU_IDLE=n also gives me a working kernel.
I am just thinking aloud ...
Boot log in the bugzilla shows:
CPU0: AMD Turion(tm) 64 Mobile ML-34 stepping 02
So it seems that the hardware just dislikes CONFIG_CPU_IDLE.
I haven't dealt with that cpuidle stuff in the past.
Now I am wondering with which platforms that code was verified.
And yes, I know the code was in -mm for a while.
But maybe the test coverage on AMD platforms was not that high?
What about making CONFIG_CPU_IDLE dependent on EXPERIMENTAL for
the time being and remove EXPERIMENTAL when some more testing has
been done?
Regards,
Andreas
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