On Mon, 26 Nov 2007 23:08:33 +0100
Jiri Slaby <[email protected]> wrote:
> On 11/26/2007 09:45 PM, Ingo Molnar wrote:
> > * Andrew Morton <[email protected]> wrote:
> >
> >> On Mon, 26 Nov 2007 14:39:43 -0500
> >> Rik van Riel <[email protected]> wrote:
> >>
> >>> On Tue, 20 Nov 2007 22:18:39 -0800
> >>> Andrew Morton <[email protected]> wrote:
> >>>
> >>>>> ..MP-BIOS bug: 8254 timer not connected to IO-APIC
> >>>>> Kernel panic - not syncing: IO-APIC + timer doesn't work! Try using the 'noapic' kernel parameter
> >>>> ACPI or x86 breakage, I guess.
> >>>>
> >>>> Did 'noapic' work?
> >>> I got the same bug as above, 'noapic' gets past that point
> >> We still don't know what caused this, afaik.
> >
> > yes. Is it a regression? If yes, could someone try to bisect it so that
> > we can fix it? If it's caused by x86.git then the 'mm' branch of the x86
> > git tree can be used for bisection:
> >
> > git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86.git
>
> I did, but it's hard, if you don't know the BAD point. HEAD boots fine and 'x86:
> randomize brk' too (the top of git-x86.patch).
So the bug wasn't in git-x86 in 2.6.24-rc3-mm1.
But it might be in there now, as some patches got moved over.
Or it could be git-acpi. Or lots of other things.
> Andrew, how do you pull it, git
> #mm doesn't fit to the ids from the patch.
The -mm git tree reimports the plain git-foo.patch files back into a new
git tree, so the commit IDs won't line up.
The way to find the culprit patch in 2.6.24-rc3-mm1 is
http://www.zip.com.au/~akpm/linux/patches/stuff/bisecting-mm-trees.txt. It
will be quite quick.
> Maybe if you can emit a broken-out with the fresh pull to test?
http://userweb.kernel.org/~akpm/mmotm/ is current. But it probably won't
compile. I'd suggest bisecting 2.6.24-rc3-mm1 would be easier.
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