Re: [BUG] scsi: hpsa: how to destroy your files

Eric Dumazet
2011-09-01T16:18:30Z

Le jeudi 01 septembre 2011 à 11:07 -0500, scameron@beardog.cce.hp.com a
écrit :
> On Thu, Sep 01, 2011 at 05:24:02PM +0200, Eric Dumazet wrote:
> > Stephen,
> >
> > Current linux-3.1-rc4+ is a total disaster on my BL460c G6
>
> What kernel were you running successfully previously?
>
> I saw similar on BL460cG7 on Friday with 3.1-rc4,
> but I'm not sure the problem is in the driver.
> I installed rhel6.1, then put 3.1-rc4 on. Turning off
> "Virtualization" in the kernel config seemed to help
> (allowed it to boot) and so I thought that must have
> been the source of the issue. So, you might try that.
>
> However, I rebooted that machine just now, and
> now I am getting the similar "hpsa 0000:0c:00.0: resetting device 0:0:0:0"
> message, so that's pretty weird.
>
> The cmd_alloc failure, I didn't see, but I may have missed it
> (didn't have console directed to serial output.)
>
> cmd_alloc failing is not generally expected, as we reserve enough
> commands that the upper layers should never exhaust them all (should
> honor hpsa's max request limit), so that's pretty weird that
> you're seeing that.
>
> I am able to run 3.1-rc3 on rhel6 just fine on other systems (DL380g7,
> for example) and I don't think there are any hpsa changes between rc3
> and rc4. (haven't tried rc4 on the dl380g7 yet).
>
> So, I'm not sure what's going on with the BL460c yet, but I am
> aware of the problem and have already seen it. I can't think of
> any driver changes lately which should be causing such
> changes in behavior.
>
> -- steve

Here is my current bisection log

git bisect start
# bad: [9e79e3e9dd9672b37ac9412e9a926714306551fe] Merge
git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc
git bisect bad 9e79e3e9dd9672b37ac9412e9a926714306551fe
# good: [322a8b034003c0d46d39af85bf24fee27b902f48] Linux 3.1-rc1
git bisect good 322a8b034003c0d46d39af85bf24fee27b902f48
# bad: [0c3bef612881ee6216a36952ffaabfc35b83545c] Merge branch
'for-linus' of
git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6
git bisect bad 0c3bef612881ee6216a36952ffaabfc35b83545c
# good: [8c70aac04e01a08b7eca204312946206d1c1baac] Merge branch
'staging-linus' of
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging-2.6
git bisect good 8c70aac04e01a08b7eca204312946206d1c1baac

I'll let you know if I can bisect before destroying (again) my distro

(I re-installed a fresh debian wheezy/sid)

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