On Fri, 2007-04-06 at 11:32 -0700, David Miller wrote:
> From: James Bottomley <[email protected]>
> Date: Fri, 06 Apr 2007 10:27:57 -0500
>
> > On Fri, 2007-04-06 at 08:12 -0700, Andrew Burgess wrote:
> > > Yes. The 3w-xxxx.c driver changed between 2.6.18 and 2.6.20 but
> > > nothing jumps out to my untrained eyes. Here's the diff:
> > > Also, I should mention that the working kernel is a fedora
> > > rpm (2.6.18-1.2798.fc6) so I don't know what patches are in it.
> > > The vmlinuz is dated Oct 6 2006.
> >
> > It's actually a long standing bug in the 3w-xxxx driver. Apparently it
> > assumes request sense is always the use_sg == 0 case. This is what it
> > does on a request sense:
>
> Thanks for figuring this out James. I was very worried there
> was some bug in my scsi_send_eh_cmnd() fix :)
You're welcome ... the code in the fix looked fine, which is why I was
initially suspicious ... however, the bug in __free_page() on reversion
pretty much confirmed a driver issue.
James
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