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    SubjectRe: [PATCH 00 of 11] x86: separate pmd lifetime from pgd
    Ingo Molnar wrote:
    > * Jeremy Fitzhardinge <jeremy@goop.org> wrote:
    >
    >
    >> This series addresses various cleanups in pagetable allocation in the
    >> direction of unifying 32/64 bits (that's still a while off yet).
    >>
    >
    > hm, i tried this, and got an early crash:
    >
    > [ 29.389844] VFS: Mounted root (ext3 filesystem) readonly.
    > [ 29.389872] debug: unmapping init memory c0b03000..c0b6f000
    > [ 29.440139] PM: Adding info for No Bus:vcs1
    > [ 29.463676] khelper used greatest stack depth: 2404 bytes left
    > [ 29.467238] PM: Adding info for No Bus:vcsa1
    > [ 29.541785] PANIC: double fault, gdt at c1d16000 [255 bytes]
    > [ 29.541785] double fault, tss at c1d19100
    > [ 29.541785] eip = c011fa95, esp = c3bf6000
    > [ 29.541785] eax = c3bf6010, ebx = c0b6fc08, ecx = 0000007b, edx = 00000000
    > [ 29.541785] esi = f76a7df4, edi = c011fa90
    >
    > i think it's one of your patches :) Bisecting it down to the right one
    > now.

    Wouldn't surprise me. Given that its a non-PAE config, most of the
    patches won't be in play, but perhaps I screwed up coping the kernel
    pagetable entries into the pgd somehow.

    J


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