From: James Bottomley <jejb@linux.vnet.ibm.com>
To: Stephen Hemminger <stephen@networkplumber.org>
Cc: Jens Axboe <axboe@kernel.dk>, Christoph Hellwig <hch@lst.de>,
Linus Torvalds <torvalds@linux-foundation.org>,
"Martin K. Petersen" <martin.petersen@oracle.com>,
"K. Y. Srinivasan" <kys@microsoft.com>,
Dexuan Cui <decui@microsoft.com>, Long Li <longli@microsoft.com>,
Josh Poulson <jopoulso@microsoft.com>,
v-adsuho@microsoft.com, linux-scsi@vger.kernel.org,
Haiyang Zhang <haiyangz@microsoft.com>
Subject: Re: SCSI regression in 4.11
Date: Tue, 28 Feb 2017 22:20:58 -0800 [thread overview]
Message-ID: <1488349258.20321.11.camel@linux.vnet.ibm.com> (raw)
In-Reply-To: <20170228172532.280811ed@xeon-e3>
On Tue, 2017-02-28 at 17:25 -0800, Stephen Hemminger wrote:
> [ 1.346023] hv_storvsc: IO cmd 0x12 0x0 0x0 scsi status 0x0 srb
> status 0x20 length 36
> [ 1.352913] inquiry data: 00000000: 00 aa be f1 5c 98 ff ff f0 64
> 02 89 ff ff ff ff
> [ 1.356543] inquiry data: 00000010: 00 00 00 00 00 00 00 00 00 00
> 00 00 00 00 00 00
> [ 1.359996] inquiry data: 00000020: 00 00 00 00
> [ 1.361835] scsi host1: scsi scan: INQUIRY result too short (5),
> using 36
> [ 1.361888] hv_storvsc: IO cmd 0xa0 0x0 0x0 scsi status 0x0 srb
> status 0x1 length 16
> [ 1.362307] hv_storvsc: IO cmd 0x12 0x0 0x0 scsi status 0x0 srb
> status 0x1 length 36
> [ 1.362308] inquiry data: 00000000: 00 23 34 f1 5c 98 ff ff f0 64
> 02 89 ff ff ff ff
> [ 1.362309] inquiry data: 00000010: 00 00 00 00 00 00 00 00 00 00
> 00 00 00 00 00 00
> [ 1.362309] inquiry data: 00000020: 00 00 00 00
> [ 1.377423] scsi 1:0:0:1: Direct-Access
> PQ: 0 ANSI: 0
Well, this pinpoints the fault to the block uncopy, I think. The
Inquiry data is clearly correct in the page frame, so it's not getting
copied to the scsi_execute() buffer for some reason.
James
next prev parent reply other threads:[~2017-03-01 6:24 UTC|newest]
Thread overview: 49+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-02-27 23:30 SCSI regression in 4.11 Stephen Hemminger
2017-02-28 1:19 ` Stephen Hemminger
2017-02-28 2:16 ` Jens Axboe
2017-02-28 14:08 ` Christoph Hellwig
2017-02-28 15:32 ` Jens Axboe
2017-02-28 17:06 ` James Bottomley
2017-02-28 17:16 ` Stephen Hemminger
2017-02-28 17:31 ` Jens Axboe
2017-02-28 18:41 ` Stephen Hemminger
2017-02-28 19:10 ` James Bottomley
2017-02-28 18:57 ` Stephen Hemminger
2017-02-28 23:48 ` James Bottomley
2017-03-01 1:25 ` Stephen Hemminger
2017-03-01 6:20 ` James Bottomley [this message]
2017-03-01 6:48 ` Stephen Hemminger
2017-03-01 15:50 ` Christoph Hellwig
2017-03-01 15:54 ` Stephen Hemminger
2017-03-02 0:01 ` Christoph Hellwig
2017-03-02 0:56 ` Christoph Hellwig
2017-03-02 1:40 ` Stephen Hemminger
2017-03-02 13:25 ` Hannes Reinecke
2017-03-02 17:48 ` Stephen Hemminger
2017-03-02 18:23 ` Stephen Hemminger
2017-03-02 18:36 ` James Bottomley
2017-03-02 19:05 ` Stephen Hemminger
2017-03-02 19:18 ` James Bottomley
2017-03-03 22:29 ` Stephen Hemminger
2017-03-04 0:50 ` [RFC] hv_storvsc: error handling Stephen Hemminger
2017-03-04 11:55 ` Hannes Reinecke
2017-03-04 21:03 ` KY Srinivasan
2017-03-04 21:36 ` James Bottomley
2017-03-04 21:39 ` KY Srinivasan
2017-03-04 23:55 ` KY Srinivasan
2017-03-06 16:36 ` Stephen Hemminger
2017-03-06 17:48 ` KY Srinivasan
2017-03-06 17:57 ` Stephen Hemminger
2017-03-07 5:06 ` Christoph Hellwig
2017-03-07 6:08 ` KY Srinivasan
2017-03-02 0:57 ` SCSI regression in 4.11 Stephen Hemminger
2017-03-01 16:13 ` Stephen Hemminger
2017-03-01 18:48 ` Stephen Hemminger
2017-03-01 18:57 ` James Bottomley
2017-03-01 19:20 ` James Bottomley
2017-03-01 19:39 ` Stephen Hemminger
2017-03-01 21:27 ` Stephen Hemminger
2017-03-01 23:09 ` James Bottomley
2017-03-01 23:39 ` Stephen Hemminger
2017-03-01 19:00 ` Linus Torvalds
2017-02-28 17:33 ` Stephen Hemminger
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