Re: [PROBLEM] 2.6.22-rc2 panics on x86-64 with slub

From: Christoph Lameter
Date: Mon May 21 2007 - 15:13:19 EST


On Mon, 21 May 2007, Jens Axboe wrote:

> I can test whatever you want tomorrow morning, it was 100% repeatable
> here. So which one, your patch or Hughs?

This was an effect of me suggesting to switch off CONFIG_SLUB_DEBUG. If
you did not run without CONFIG_SLUB_DEBUG then you were not affected by
the problem. And the earlier case that you reported was a version of SLUB
that did not have the capability to switch off SLUB_DEBUG.

Is there any way we can boot with "slub_debug" on the kernel command line
and get early printk output? Looks like an early failure that may have to
do with other kernel debug options being on (lockdep or so?)

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