From mboxrd@z Thu Jan  1 00:00:00 1970
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Date: Tue, 9 May 2017 11:03:16 +0200
From: Christoph Hellwig <hch@lst.de>
To: Jens Axboe <axboe@kernel.dk>
Cc: Abdul Haleem <abdhalee@linux.vnet.ibm.com>,
	linux-block <linux-block@vger.kernel.org>,
	sachinp <sachinp@linux.vnet.ibm.com>,
	Stephen Rothwell <sfr@canb.auug.org.au>,
	linuxppc-dev <linuxppc-dev@lists.ozlabs.org>,
	linux-kernel <linux-kernel@vger.kernel.org>,
	"Martin K. Petersen" <martin.petersen@oracle.com>,
	Christoph Hellwig <hch@lst.de>
Subject: Re: [linux-next][bock] WARNING: CPU: 22 PID: 0 at
	block/blk-core.c:2655 .blk_update_request+0x4f8/0x500
Message-ID: <20170509090316.GA2378@lst.de>
References: <1493965539.7355.44.camel@abdul.in.ibm.com> <15a0a50a-d57d-736b-634c-4d0131ec5af3@kernel.dk> <1494227599.2983.2.camel@abdul.in.ibm.com> <f1a1ced1-6f3c-8fec-2e2d-4db4c09e31fc@kernel.dk>
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On Mon, May 08, 2017 at 08:00:41AM -0600, Jens Axboe wrote:
> Christoph, Martin - any ideas? Trace from Abdul below.

Btw, what page size does the system have?

> 
> WARNING: CPU: 12 PID: 0 at block/blk-core.c:2651 .blk_update_request+0x4cc/0x4e0

Any knowledge from tracing or printk on what command is complete?
Both req_op type and SCSI command?