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SubjectRe: kmalloc zero size changes break i386
Hi Andi,

On 7/19/07, Andi Kleen <> wrote:
> qemu testing and booting test machines with i386 kernels wasn't very successfull
> with recent git kernels. I got either BUGs because of failing sysfs initialization
> or oopses in kmalloc, but no user land.
> I bisected it down to this commit.
> To reproduce: try to boot a 386 defconfig kernel, compiled with gcc 4.1, in qemu


> 6cb8f91320d3e720351c21741da795fed580b21b is first bad commit
> commit 6cb8f91320d3e720351c21741da795fed580b21b
> Author: Christoph Lameter <>
> Date: Tue Jul 17 04:03:22 2007 -0700
> Slab allocators: consistent ZERO_SIZE_PTR support and NULL result semantics

I have i386 defconfig kernel + qemu + busybox userland image + GCC
4.1.2 booting ok here. Did you manage to capture the oops? Is the
userland image available somewhere?

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