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    SubjectRe: MCE boot crash in qemu
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    On Mon, 2009-06-15 at 16:22 +0300, Pekka Enberg wrote:
    > On Mon, 2009-06-15 at 14:52 +0200, Andi Kleen wrote:
    > > x86: mce: Handle banks == 0 case in K7 quirk
    > >
    > > This happens on QEMU which reports MCA capability, but no banks.
    > > Without this patch there is a buffer overrun and boot ops because the code
    > > would try to initialize the 0 element of a zero length kmalloc()
    > > buffer.
    > >
    > > Signed-off-by: Andi Kleen <ak@linux.intel.com>
    >
    > This fixes the bug for me!
    >
    > Tested-by: Pekka Enberg <penberg@cs.helsinki.fi>

    Ingo, I hit this again in my testing after rebasing to linus/master so I
    really would like this in mainline.

    Pekka



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