linux-kernel - Re: kernel BUG at drivers/scsi/scsi

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Message-ID: <CACVXFVMNed2Liarx9FA16CERNAepNYdNFhDpn70kb3RBt0eRuQ@mail.gmail.com>
Date:	Mon, 23 Nov 2015 23:27:16 +0800
From:	Ming Lei <ming.lei@...onical.com>
To:	Laurent Dufour <ldufour@...ux.vnet.ibm.com>
Cc:	Pratyush Anand <panand@...hat.com>,
	Mark Salter <msalter@...hat.com>, linux-block@...r.kernel.org,
	Linux SCSI List <linux-scsi@...r.kernel.org>,
	"James E. J. Bottomley" <JBottomley@...n.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Christoph Hellwig <hch@...radead.org>,
	brking <brking@...ibm.com>, linuxppc-dev@...ts.ozlabs.org
Subject: Re: kernel BUG at drivers/scsi/scsi_lib.c:1096!

On Mon, Nov 23, 2015 at 11:20 PM, Laurent Dufour
<ldufour@...ux.vnet.ibm.com> wrote:
>>
>> Reverting above commit on top if 4.4-rc1 seems to fix the problem for me.
>
> That's what I mentioned earlier ;)
>
> Now Ming send an additional patch with seems to fix the bug introduced
> through the commit bdced438acd8. When testing with this new patch I
> can't get the panic anymore, but Mark reported he is still hitting it.

Laurent, thanks for your test on the 1st patch, and looks there are at
least two problems, and my 2nd patch sent just now should address
Mark's issue which is caused by bdced438acd83a.

Once the 2nd one is tested OK, I will send out the two together.

Thanks,
Ming
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