Messages in this thread | | | Date | Mon, 04 Feb 2008 23:20:47 +0100 | From | "Gerhard Pircher" <> | Subject | Re: Commit for mm/page_alloc.c breaks boot process on my machine |
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-------- Original-Nachricht -------- > Datum: Mon, 4 Feb 2008 10:42:32 +0000 > Von: Mel Gorman <mel@csn.ul.ie> > An: Gerhard Pircher <gerhard_pircher@gmx.net> > CC: linux-kernel@vger.kernel.org, linuxppc-dev@ozlabs.org > Betreff: Re: Commit for mm/page_alloc.c breaks boot process on my machine
> > > > > 2. Any chance of seeing a dmesg log? > > > > That's a little bit of a problem. The kernel log in memory doesn't > > > > show any kernel oops, but is also fragmented (small fragments seem > > > > to have been overwritten with 0x0). > > > > > > err, that doesn't sound very healthy. > > > > Yeah, I know. But the platform code hasn't changed much when porting it > > from arch/ppc to arch/powerpc. That's why I'm a little bit lost in this > > case. :-) > > > > I'm at a bit of a loss to guess what might have changed in powerpc code > that would explain this. I've added the linuxppc-dev mailing list in > case they can make a guess. Yes, I'll try to get some comments on the linuxppc-dev mailing list.
> I think you are also going to need to start bisecting searching > specifically for the patch that causes these overwrites. I think I had a similar problem with kernel v2.6.23, too and therefore waited for kernel 2.6.24. So the problem may exist since a long time.
> It's a virtual address so it depends on the value of CONFIG_KERNEL_START > as to whether this is a user program address or not. AFAIK start_kernel() is called very early in the boot process, were no user or kernel thread is active. I also wonder why the kernel crashes when the mem boot option is used. Let's see what the linuxppc-dev people say.
Thanks for your help!
Gerhard
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