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Message-ID: <68676e00809051217h3da02a6bld4412b4a2ee3b728@mail.gmail.com> Date: Fri, 5 Sep 2008 21:17:13 +0200 From: "Luca Tettamanti" <kronos.it@...il.com> To: "Peter Zijlstra" <peterz@...radead.org> Cc: linux-kernel@...r.kernel.org, mingo@...hat.com Subject: Re: [2.6.27] overlapping early reservations [was: early exception - lockdep related?] On Thu, Sep 4, 2008 at 10:51 PM, Luca Tettamanti <kronos.it@...il.com> wrote: > On Thu, Sep 4, 2008 at 4:25 PM, Peter Zijlstra <peterz@...radead.org> wrote: >> Sadly your config just boots, albeit not to userspace due to missing >> drivers. > > Yes, I managed to boot it with qemu... I tried kgdb - without luck - > kernel dies too early. > I also managed to get a stack trace :D > > http://img151.imageshack.us/my.php?image=tracedm1.jpg > > It seems that lockdep is an innocent bystander... the kernel died with > panic() in __reserve_early, and then took another exception while > printing the panic (I guess). > Will add further debug stuff to see wtf is going on. Hum, kernel says: http://img177.imageshack.us/my.php?image=overlappingus2.jpg Overlapping early reservations b98000-eff266 RAMDISK to 200000-d09cf7 TEXT DATA BSS It would appear that the initramfs is overlapping the kernel itself, is the boot loader (LILO) doing something stupid? Luca -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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