Re: Fw: [Bugme-new] [Bug 6114] New: Initio sbp2 causes: "slab error in cache_free_debugcheck(): cache `size-512(DMA)': double free, or memory outside" object was overwritten

Stefan Richter
2006-02-22T06:05:40Z

Al Viro wrote:
> On Wed, Feb 22, 2006 at 01:34:42AM +0100, Stefan Richter wrote:
>
>>Al's patch is certainly better since it adds checks to the actual
>>affected code region, i.e. mode_sense handling in the SCSI layers.
>>James, would you integrate this patch?
>>
>>However sbp2 will keep some sort of skip_ms_page_8 blacklisting anyway
>>because of different issues with other bridges.
>
>
> Sure, but for this bridge it's not needed - with that fix we get the
> right data out of bridge response. Note
> +sda: missing header in MODE_SENSE response
> and
> +SCSI device sda: drive cache: write back
> in that diff. The former is exactly what we get when we detect that
> sort of breakage (bare page 6 without header) and the latter is where
> we manage to get the cache type.

Yes, you are definitly right about it.
--
Stefan Richter
-=====-=-==- --=- =-==-
http://arcgraph.de/sr/

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