Re: Kernel BUG at mm/slab.c:2564 - 2.6.16-rc5-g7b14e3b5

[Paolo Ornati <ornati@fastwebnet.it>]

On Mon, 6 Mar 2006 11:16:13 -0800 (PST)
Linus Torvalds <torvalds@osdl.org> wrote:

> On Thu, 2 Mar 2006, Paolo Ornati wrote:
> > 
> > Something is happened again here!
> 
> I think you have bad ram.
> 
> > Slab corruption: start=ffff81000d0ffb30, len=104
> > Redzone: 0x5a2cf071/0x5a2cf071.
> > Last user: [<ffffffff8015caac>](end_bio_bh_io_sync+0x35/0x39)
> > 000: 6b 6b 6b 2b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b

My suspect was that the failing addr was the same one I had already
seen some time ago with memtest86+ and that was (apparently?) fixed by
disabling "bank interleaving" in the BIOS.

But now that I've rechecked... it was a different address:

76.1 MB -- 04c0 37fc

TEST 6
good	FF FF FF FD
bad	F7 FF FF FD


The one detected with DEBUG_SLAB is at 208.99 MB (so both problems are
in my first 256MB memory module) but I'm unable to reproduce it with
memtest86+...

I wonder if these two are related in some way... or maybe it's just a
weak memory module ;)

-- 
	Paolo Ornati
	Linux 2.6.16-rc5-g501f74f2 on x86_64
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