Re: 2.6.20.3: kernel BUG at mm/slab.c:597 try#2

Andrew Morton
2007-03-19T06:00:30Z

On Mon, 19 Mar 2007 01:34:22 +0100 Andreas Steinmetz <ast@domdv.de> wrote:

> As posted to lkml and linux-scsi on 2007-03-15 without reply, see
> http://marc.info/?l=linux-kernel&m=117395128412313&w=2 for original post:

Repeatable oops in our most recently released kernel, nobody bothers to
reply.

> It is not so nice when one can write backup tapes but the tapes cannot
> be read. I don't know if memory management or the st driver is the
> culprit, but this is a not so nice situation.
>
> I can't even say if the tapes are written correctly as I can't read them
> (one does not reboot production machines back to 2.4.x just to try to
> read a backup tape - I don't have 2.6.x older than 2.6.20 on these
> machines).

BUG_ON(!PageSlab(page));

that's seriously screwed up. Do you have CONFIG_DEBUG_SLAB enabled? If
not, please enable it and retest.