Re: [bug] SLUB + mm/slab.c boot crash in -rc9

From: Ingo Molnar
Date: Tue Apr 15 2008 - 18:08:21 EST



* Ingo Molnar <mingo@xxxxxxx> wrote:

> +++ linux/arch/x86/kernel/vmlinux_32.lds.S
> @@ -186,6 +186,7 @@ SECTIONS
> __per_cpu_start = .;
> *(.data.percpu)
> *(.data.percpu.shared_aligned)
> + . = . + 65536;
> __per_cpu_end = .;
> }
> . = ALIGN(PAGE_SIZE);

this seems to have the intended effect of +0x10000 padding at the end of
the percpu area:

c0b927d0 D per_cpu__cpu_info
c0b92880 d per_cpu__runqueues
c0ba2d00 D __per_cpu_end
c0ba3000 B __bss_start

it still crashes though, with an very similar crash pattern to the
previous ones.

Ingo

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