From: Stephen Hemminger <stephen@networkplumber.org>
To: James Bottomley <jejb@linux.vnet.ibm.com>
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 17:25:32 -0800 [thread overview]
Message-ID: <20170228172532.280811ed@xeon-e3> (raw)
In-Reply-To: <1488325732.11610.9.camel@linux.vnet.ibm.com>
> Let's concentrate on INQUIRY since that's the first command in the
> probe sequence. I think it's completing successfully because your
> hyperv layer says it has 36 bytes of transfer and that's the size of a
> successful initial INQUIRY, so the fact that the code above would break
> stuff if the INQUIRY failed is orthogonal to the the current problem.
Right, that bodge only breaks some minor things likes scsiinfo commands.
> can you print out some of the DMA buffer in storvsc_on_io_completion()?
>
> I think just the stor_pkt->vm_srb.cdb[0] (to identify the command
> completing) and byte 5 of the buffer will tell us what we need to know.
> It's going to be complex to get byte 5, you'll need to do a
> kmap_atomic_pfn on request->payload->range.pfn_array[0] and then look
> at byte 5. If that's zero it means there's some problem with hyperv
> writing to the pfn if it's 0x24 (expected value for an initial inquiry)
> we've got a problem somewhere in bio completion not copying the value
> back.
Here is another boot, this time went dumpster diving as you suggested
to get the request data.
diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c
index 2af63a80c7fa..a51d8eba6e04 100644
--- a/drivers/scsi/storvsc_drv.c
+++ b/drivers/scsi/storvsc_drv.c
@@ -1059,6 +1059,21 @@ static void storvsc_on_io_completion(struct storvsc_device *stor_device,
vstor_packet->vm_srb.srb_status,
vstor_packet->vm_srb.data_transfer_length);
+ if (stor_pkt->vm_srb.cdb[0] == INQUIRY) {
+ struct scsi_cmnd *cmd = request->cmd;
+ struct scatterlist *sg = scsi_sglist(cmd);
+ struct page *page = sg_page(sg);
+ void *vaddr = kmap_atomic(page);
+
+ print_hex_dump(KERN_INFO,
+ "inquiry data: ", DUMP_PREFIX_OFFSET,
+ 16, 1,
+ vaddr, vstor_packet->vm_srb.data_transfer_length,
+ false);
+
+ kunmap_atomic(page);
+ }
+
/*
* The current SCSI handling on the host side does
* not correctly handle:
Which results in:
...
[ 1.225501] scsi host0: storvsc_host_t
[ 1.234707] hv_storvsc: IO cmd 0x12 0x0 0x0 scsi status 0x0 srb status 0x1 length 36
[ 1.235517] scsi host1: storvsc_host_t
[ 1.238037] inquiry data: 00000000: 00 23 34 f1 5c 98 ff ff f0 64 02 89 ff ff ff ff
[ 1.256800] inquiry data: 00000010: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 1.259430] inquiry data: 00000020: 00 00 00 00
[ 1.261431] scsi 0:0:0:0: Direct-Access Msft Virtual Disk 1.0 PQ: 0 ANSI: 5
[ 1.264080] hv_storvsc: IO cmd 0x12 0x1 0x0 scsi status 0x0 srb status 0x1 length 12
[ 1.267420] inquiry data: 00000000: 00 00 00 08 00 83 8f b0 b1 b2 ce cf
[ 1.270759] hv_storvsc: IO cmd 0x12 0x1 0x83 scsi status 0x0 srb status 0x1 length 52
[ 1.275007] inquiry data: 00000000: 00 83 00 30 01 01 00 18 4d 53 46 54 20 20 20 20
[ 1.277988] inquiry data: 00000010: 43 77 cc 85 5f 19 c2 46 ac 48 c7 33 b9 dd 2d 2a
[ 1.281096] inquiry data: 00000020: 01 03 00 10 60 02 24 80 43 77 cc 85 5f 19 c7 33
[ 1.284246] inquiry data: 00000030: b9 dd 2d 2a
[ 1.306538] hv_storvsc: IO cmd 0x12 0x0 0x0 scsi status 0x0 srb status 0x1 length 36
[ 1.310621] inquiry data: 00000000: 00 92 be f1 5c 98 ff ff f0 64 02 89 ff ff ff ff
[ 1.316244] inquiry data: 00000010: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 1.328151] random: fast init done
[ 1.340184] inquiry data: 00000020: 00 00 00 00
[ 1.342710] scsi 1:0:0:0: CD-ROM Msft Virtual DVD-ROM 1.0 PQ: 0 ANSI: 0
[ 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
[ 1.399208] hv_storvsc: IO cmd 0x12 0x0 0x0 scsi status 0x0 srb status 0x20 length 36
[ 1.402836] inquiry data: 00000000: 00 a3 be f1 5c 98 ff ff 00 00 00 00 00 00 00 00
[ 1.406466] inquiry data: 00000010: 00 00 00 00 00 00 00 00 c0 30 66 f9 5c 98 ff ff
[ 1.409766] inquiry data: 00000020: 00 00 00 00
[ 1.412366] scsi 1:0:0:2: Direct-Access PQ: 0 ANSI: 0
[ 1.412456] hv_storvsc: IO cmd 0xa0 0x0 0x0 scsi status 0x0 srb status 0x1 length 4096
[ 1.418750] hv_storvsc: IO cmd 0x12 0x0 0x0 scsi status 0x0 srb status 0x20 length 36
[ 1.421624] inquiry data: 00000000: 00 92 be f1 5c 98 ff ff f0 64 02 89 ff ff ff ff
[ 1.424629] inquiry data: 00000010: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 1.432565] inquiry data: 00000020: 00 00 00 00
[ 1.433690] scsi 1:0:0:3: Direct-Access PQ: 0 ANSI: 0
[ 1.433751] hv_storvsc: IO cmd 0x12 0x0 0x0 scsi status 0x0 srb status 0x1 length 36
[ 1.433753] inquiry data: 00000000: 00 2d 34 f1 5c 98 ff ff f0 64 02 89 ff ff ff ff
[ 1.433753] inquiry data: 00000010: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 1.433753] inquiry data: 00000020: 00 00 00 00
[ 1.465775] hv_storvsc: IO cmd 0x12 0x0 0x0 scsi status 0x0 srb status 0x20 length 36
[ 1.468640] inquiry data: 00000000: 00 92 be f1 5c 98 ff ff f0 64 02 89 ff ff ff ff
[ 1.471717] inquiry data: 00000010: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 1.474466] inquiry data: 00000020: 00 00 00 00
[ 1.476624] scsi 1:0:0:4: Direct-Access PQ: 0 ANSI: 0
[ 1.476777] hv_storvsc: IO cmd 0xa0 0x0 0x0 scsi status 0x0 srb status 0x1 length 4096
[ 1.482802] hv_storvsc: IO cmd 0x12 0x0 0x0 scsi status 0x0 srb status 0x20 length 36
[ 1.485801] inquiry data: 00000000: 00 92 be f1 5c 98 ff ff f0 64 02 89 ff ff ff ff
[ 1.493743] inquiry data: 00000010: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 1.495724] inquiry data: 00000020: 00 00 00 00
[ 1.497451] scsi 1:0:0:5: Direct-Access PQ: 0 ANSI: 0
[ 1.497557] hv_storvsc: IO cmd 0x12 0x0 0x0 scsi status 0x0 srb status 0x1 length 36
[ 1.497558] inquiry data: 00000000: 00 2d 34 f1 5c 98 ff ff f0 64 02 89 ff ff ff ff
[ 1.497559] inquiry data: 00000010: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 1.497559] inquiry data: 00000020: 00 00 00 00
[ 1.529199] hv_storvsc: IO cmd 0x12 0x0 0x0 scsi status 0x0 srb status 0x20 length 36
[ 1.532055] inquiry data: 00000000: 00 a3 be f1 5c 98 ff ff 00 00 00 00 00 00 00 00
[ 1.535076] inquiry data: 00000010: 00 00 00 00 00 00 00 00 c0 30 66 f9 5c 98 ff ff
[ 1.537601] inquiry data: 00000020: 00 00 00 00
[ 1.539463] scsi 1:0:0:6: Direct-Access PQ: 0 ANSI: 0
[ 1.539523] hv_storvsc: IO cmd 0xa0 0x0 0x0 scsi status 0x0 srb status 0x1 length 4096
[ 1.545625] hv_storvsc: IO cmd 0x12 0x0 0x0 scsi status 0x0 srb status 0x20 length 36
[ 1.549238] inquiry data: 00000000: 00 00 00 00 00 00 00 00 f0 64 02 89 ff ff ff ff
[ 1.558838] inquiry data: 00000010: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 1.561775] inquiry data: 00000020: 00 00 00 00
[ 1.564193] scsi 1:0:0:7: Direct-Access PQ: 0 ANSI: 0
[ 1.564286] hv_storvsc: IO cmd 0x12 0x0 0x0 scsi status 0x0 srb status 0x1 length 36
[ 1.564287] inquiry data: 00000000: 00 2d 34 f1 5c 98 ff ff f0 64 02 89 ff ff ff ff
[ 1.564288] inquiry data: 00000010: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 1.564288] inquiry data: 00000020: 00 00 00 00
[ 1.591962] hv_storvsc: IO cmd 0x12 0x0 0x0 scsi status 0x0 srb status 0x1 length 36
[ 1.594803] inquiry data: 00000000: 00 b3 be f1 5c 98 ff ff f0 64 02 89 ff ff ff ff
[ 1.597613] inquiry data: 00000010: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 1.600483] inquiry data: 00000020: 00 00 00 00
[ 1.602473] hv_storvsc: IO cmd 0xa0 0x0 0x0 scsi status 0x0 srb status 0x1 length 4096
[ 1.602979] hv_storvsc: IO cmd 0xa0 0x0 0x0 scsi status 0x0 srb status 0x1 length 4096
[ 1.605686] hv_storvsc: IO cmd 0x12 0x0 0x0 scsi status 0x0 srb status 0x1 length 36
[ 1.608562] inquiry data: 00000000: 00 b3 be f1 5c 98 ff ff f0 64 02 89 ff ff ff ff
[ 1.612031] inquiry data: 00000010: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 1.621398] inquiry data: 00000020: 00 00 00 00
[ 1.623612] hv_storvsc: IO cmd 0x12 0x0 0x0 scsi status 0x0 srb status 0x1 length 36
[ 1.624081] hv_storvsc: IO cmd 0xa0 0x0 0x0 scsi status 0x0 srb status 0x1 length 4096
[ 1.627608] inquiry data: 00000000: 00 2d 34 f1 5c 98 ff ff f0 64 02 89 ff ff ff ff
[ 1.627608] inquiry data: 00000010: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 1.627608] inquiry data: 00000020: 00 00 00 00
[ 1.656428] hv_storvsc: IO cmd 0x12 0x0 0x0 scsi status 0x0 srb status 0x1 length 36
[ 1.659541] inquiry data: 00000000: 00 b3 be f1 5c 98 ff ff f0 64 02 89 ff ff ff ff
[ 1.662333] inquiry data: 00000010: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 1.665187] inquiry data: 00000020: 00 00 00 00
[ 1.666998] hv_storvsc: IO cmd 0xa0 0x0 0x0 scsi status 0x0 srb status 0x1 length 4096
[ 1.670735] hv_storvsc: IO cmd 0xa0 0x0 0x0 scsi status 0x0 srb status 0x1 length 4096
[ 1.673517] hv_storvsc: IO cmd 0x12 0x0 0x0 scsi status 0x0 srb status 0x1 length 36
[ 1.677515] inquiry data: 00000000: 00 2d 34 f1 5c 98 ff ff f0 64 02 89 ff ff ff ff
[ 1.677515] inquiry data: 00000010: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 1.677515] inquiry data: 00000020: 00 00 00 00
[ 1.690656] hv_storvsc: IO cmd 0x12 0x0 0x0 scsi status 0x0 srb status 0x1 length 36
[ 1.694467] inquiry data: 00000000: 00 b3 be f1 5c 98 ff ff f0 64 02 89 ff ff ff ff
[ 1.697643] inquiry data: 00000010: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 1.700563] inquiry data: 00000020: 00 00 00 00
[ 1.702595] hv_storvsc: IO cmd 0xa0 0x0 0x0 scsi status 0x0 srb status 0x1 length 4096
[ 1.702962] hv_storvsc: IO cmd 0xa0 0x0 0x0 scsi status 0x0 srb status 0x1 length 4096
[ 1.726145] hv_storvsc: IO cmd 0x12 0x0 0x0 scsi status 0x0 srb status 0x1 length 36
[ 1.729919] inquiry data: 00000000: 00 b3 be f1 5c 98 ff ff f0 64 02 89 ff ff ff ff
[ 1.733720] inquiry data: 00000010: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 1.736863] inquiry data: 00000020: 00 00 00 00
[ 1.740093] hv_storvsc: IO cmd 0x12 0x0 0x0 scsi status 0x0 srb status 0x1 length 36
[ 1.740194] hv_storvsc: IO cmd 0xa0 0x0 0x0 scsi status 0x0 srb status 0x1 length 4096
[ 1.744076] inquiry data: 00000000: 00 2d 34 f1 5c 98 ff ff f0 64 02 89 ff ff ff ff
[ 1.744076] inquiry data: 00000010: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 1.744076] inquiry data: 00000020: 00 00 00 00
[ 1.772956] hv_storvsc: IO cmd 0x12 0x0 0x0 scsi status 0x0 srb status 0x1 length 36
[ 1.776953] inquiry data: 00000000: 00 b3 be f1 5c 98 ff ff f0 64 02 89 ff ff ff ff
[ 1.779680] inquiry data: 00000010: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 1.782218] inquiry data: 00000020: 00 00 00 00
[ 1.784394] hv_storvsc: IO cmd 0xa0 0x0 0x0 scsi status 0x0 srb status 0x1 length 4096
[ 1.784626] hv_storvsc: IO cmd 0xa0 0x0 0x0 scsi status 0x0 srb status 0x1 length 4096
[ 1.792094] hv_storvsc: IO cmd 0x12 0x0 0x0 scsi status 0x0 srb status 0x1 length 36
[ 1.795247] inquiry data: 00000000: 00 b3 be f1 5c 98 ff ff f0 64 02 89 ff ff ff ff
[ 1.797827] inquiry data: 00000010: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 1.802734] inquiry data: 00000020: 00 00 00 00
[ 1.819848] hv_storvsc: IO cmd 0x12 0x0 0x0 scsi status 0x0 srb status 0x1 length 36
[ 1.820240] hv_storvsc: IO cmd 0xa0 0x0 0x0 scsi status 0x0 srb status 0x1 length 4096
[ 1.823843] inquiry data: 00000000: 00 2d 34 f1 5c 98 ff ff f0 64 02 89 ff ff ff ff
[ 1.823843] inquiry data: 00000010: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 1.823843] inquiry data: 00000020: 00 00 00 00
[ 1.834404] hv_storvsc: IO cmd 0x12 0x0 0x0 scsi status 0x0 srb status 0x1 length 36
[ 1.834447] hv_storvsc: IO cmd 0xa0 0x0 0x0 scsi status 0x0 srb status 0x1 length 4096
[ 1.840676] inquiry data: 00000000: 00 b3 be f1 5c 98 ff ff f0 64 02 89 ff ff ff ff
[ 1.843780] inquiry data: 00000010: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 1.846374] inquiry data: 00000020: 00 00 00 00
[ 1.863480] hv_storvsc: IO cmd 0xa0 0x0 0x0 scsi status 0x0 srb status 0x1 length 4096
[ 1.863527] hv_storvsc: IO cmd 0x12 0x0 0x0 scsi status 0x0 srb status 0x1 length 36
[ 1.863552] inquiry data: 00000000: 00 2d 34 f1 5c 98 ff ff f0 64 02 89 ff ff ff ff
[ 1.863553] inquiry data: 00000010: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 1.863564] inquiry data: 00000020: 00 00 00 00
[ 1.884017] hv_storvsc: IO cmd 0x12 0x0 0x0 scsi status 0x0 srb status 0x1 length 36
[ 1.884018] hv_storvsc: IO cmd 0xa0 0x0 0x0 scsi status 0x0 srb status 0x1 length 4096
[ 1.891512] inquiry data: 00000000: 00 b3 be f1 5c 98 ff ff f0 64 02 89 ff ff ff ff
[ 1.903984] inquiry data: 00000010: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 1.915662] inquiry data: 00000020: 00 00 00 00
[ 1.917991] hv_storvsc: IO cmd 0x12 0x0 0x0 scsi status 0x0 srb status 0x1 length 36
[ 1.917998] hv_storvsc: IO cmd 0xa0 0x0 0x0 scsi status 0x0 srb status 0x1 length 4096
[ 1.924404] inquiry data: 00000000: 00 2d 34 f1 5c 98 ff ff f0 64 02 89 ff ff ff ff
[ 1.927723] inquiry data: 00000010: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 1.930174] inquiry data: 00000020: 00 00 00 00
[ 1.932514] hv_storvsc: IO cmd 0x12 0x0 0x0 scsi status 0x0 srb status 0x1 length 36
[ 1.932508] hv_storvsc: IO cmd 0xa0 0x0 0x0 scsi status 0x0 srb status 0x1 length 4096
[ 1.940019] inquiry data: 00000000: 00 b3 be f1 5c 98 ff ff f0 64 02 89 ff ff ff ff
[ 1.956298] inquiry data: 00000010: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 1.962475] inquiry data: 00000020: 00 00 00 00
[ 1.965476] hv_storvsc: IO cmd 0x12 0x0 0x0 scsi status 0x0 srb status 0x1 length 36
[ 1.968215] hv_storvsc: IO cmd 0xa0 0x0 0x0 scsi status 0x0 srb status 0x1 length 4096
[ 1.971735] inquiry data: 00000000: 00 2d 34 f1 5c 98 ff ff f0 64 02 89 ff ff ff ff
[ 1.973634] inquiry data: 00000010: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 1.975698] inquiry data: 00000020: 00 00 00 00
[ 1.977125] hv_storvsc: IO cmd 0x12 0x0 0x0 scsi status 0x0 srb status 0x1 length 36
[ 1.979795] inquiry data: 00000000: 00 b3 be f1 5c 98 ff ff f0 64 02 89 ff ff ff ff
[ 1.981025] inquiry data: 00000010: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 1.982616] inquiry data: 00000020: 00 00 00 00
[ 1.984502] hv_storvsc: IO cmd 0xa0 0x0 0x0 scsi status 0x0 srb status 0x1 length 4096
[ 1.984717] hv_storvsc: IO cmd 0xa0 0x0 0x0 scsi status 0x0 srb status 0x1 length 4096
[ 2.008517] hv_storvsc: IO cmd 0x12 0x0 0x0 scsi status 0x0 srb status 0x1 length 36
[ 2.011539] inquiry data: 00000000: 00 b3 be f1 5c 98 ff ff f0 64 02 89 ff ff ff ff
[ 2.013973] inquiry data: 00000010: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 2.016679] inquiry data: 00000020: 00 00 00 00
[ 2.018610] hv_storvsc: IO cmd 0x12 0x0 0x0 scsi status 0x0 srb status 0x1 length 36
[ 2.018823] hv_storvsc: IO cmd 0xa0 0x0 0x0 scsi status 0x0 srb status 0x1 length 4096
[ 2.024671] inquiry data: 00000000: 00 2d 34 f1 5c 98 ff ff f0 64 02 89 ff ff ff ff
[ 2.027955] inquiry data: 00000010: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 2.030679] inquiry data: 00000020: 00 00 00 00
[ 2.033142] hv_storvsc: IO cmd 0x12 0x0 0x0 scsi status 0x0 srb status 0x1 length 36
[ 2.042496] inquiry data: 00000000: 00 b3 be f1 5c 98 ff ff f0 64 02 89 ff ff ff ff
[ 2.056213] inquiry data: 00000010: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 2.059225] inquiry data: 00000020: 00 00 00 00
[ 2.060987] hv_storvsc: IO cmd 0xa0 0x0 0x0 scsi status 0x0 srb status 0x1 length 4096
[ 2.061371] hv_storvsc: IO cmd 0xa0 0x0 0x0 scsi status 0x0 srb status 0x1 length 4096
[ 2.086089] hv_storvsc: IO cmd 0x12 0x0 0x0 scsi status 0x0 srb status 0x1 length 36
[ 2.088962] inquiry data: 00000000: 00 b3 be f1 5c 98 ff ff f0 64 02 89 ff ff ff ff
[ 2.091849] inquiry data: 00000010: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 2.094272] inquiry data: 00000020: 00 00 00 00
[ 2.096274] hv_storvsc: IO cmd 0x12 0x0 0x0 scsi status 0x0 srb status 0x1 length 36
[ 2.096535] hv_storvsc: IO cmd 0xa0 0x0 0x0 scsi status 0x0 srb status 0x1 length 4096
[ 2.100269] inquiry data: 00000000: 00 2d 34 f1 5c 98 ff ff f0 64 02 89 ff ff ff ff
[ 2.100269] inquiry data: 00000010: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 2.100269] inquiry data: 00000020: 00 00 00 00
[ 2.109952] hv_storvsc: IO cmd 0x12 0x0 0x0 scsi status 0x0 srb status 0x1 length 36
[ 2.112806] inquiry data: 00000000: 00 b3 be f1 5c 98 ff ff f0 64 02 89 ff ff ff ff
[ 2.121465] inquiry data: 00000010: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 2.124358] inquiry data: 00000020: 00 00 00 00
[ 2.126483] hv_storvsc: IO cmd 0xa0 0x0 0x0 scsi status 0x0 srb status 0x1 length 4096
[ 2.126840] hv_storvsc: IO cmd 0xa0 0x0 0x0 scsi status 0x0 srb status 0x1 length 4096
[ 2.134173] hv_storvsc: IO cmd 0x12 0x0 0x0 scsi status 0x0 srb status 0x1 length 36
[ 2.136972] inquiry data: 00000000: 00 2d 34 f1 5c 98 ff ff f0 64 02 89 ff ff ff ff
[ 2.140007] inquiry data: 00000010: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 2.142548] inquiry data: 00000020: 00 00 00 00
[ 2.152163] hv_storvsc: IO cmd 0xa0 0x0 0x0 scsi status 0x0 srb status 0x1 length 4096
[ 2.165698] hv_storvsc: IO cmd 0x12 0x0 0x0 scsi status 0x0 srb status 0x1 length 36
[ 2.169146] inquiry data: 00000000: 00 2d 34 f1 5c 98 ff ff f0 64 02 89 ff ff ff ff
[ 2.169694] inquiry data: 00000010: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 2.169694] inquiry data: 00000020: 00 00 00 00
[ 2.181106] hv_storvsc: IO cmd 0xa0 0x0 0x0 scsi status 0x0 srb status 0x1 length 4096
[ 2.184852] hv_storvsc: IO cmd 0x0 0x0 0x0 scsi status 0x0 srb status 0x1 length 0
[ 2.184927] sd 0:0:0:0: Attached scsi generic sg0 type 0
[ 2.185119] hv_storvsc: IO cmd 0x0 0x0 0x0 scsi status 0x2 srb status 0x84 length 0
[ 2.185170] hv_storvsc: IO cmd 0x1a 0x0 0x2a scsi status 0x2 srb status 0x6 length 128
[ 2.185189] sr 1:0:0:0: [sr0] scsi3-mmc drive: 0x/0x caddy
[ 2.185190] cdrom: Uniform CD-ROM driver Revision: 3.20
[ 2.185427] hv_storvsc: IO cmd 0x4a 0x1 0x0 scsi status 0x0 srb status 0x1 length 8
[ 2.185471] sr 1:0:0:0: Attached scsi generic sg1 type 5
[ 2.185622] hv_storvsc: IO cmd 0x4a 0x1 0x0 scsi status 0x0 srb status 0x1 length 8
[ 2.185666] hv_storvsc: IO cmd 0x0 0x0 0x0 scsi status 0x0 srb status 0x20 length 8
[ 2.185673] sd 1:0:0:1: Attached scsi generic sg2 type 0
[ 2.185722] hv_storvsc: IO cmd 0x25 0x0 0x0 scsi status 0x0 srb status 0x20 length 8
[ 2.185816] hv_storvsc: IO cmd 0x0 0x0 0x0 scsi status 0x2 srb status 0x84 length 0
[ 2.185851] sd 1:0:0:1: [sdb] Sector size 0 reported, assuming 512.
[ 2.185853] sd 1:0:0:1: [sdb] 1 512-byte logical blocks: (512 B/512 B)
[ 2.185854] sd 1:0:0:1: [sdb] 0-byte physical blocks
[ 2.185860] hv_storvsc: IO cmd 0x1a 0x0 0x3f scsi status 0x0 srb status 0x20 length 4
[ 2.185865] sd 1:0:0:2: Attached scsi generic sg3 type 0
[ 2.185979] sd 1:0:0:1: [sdb] Write Protect is off
[ 2.186030] hv_storvsc: IO cmd 0x0 0x0 0x0 scsi status 0x2 srb status 0x84 length 0
[ 2.186038] hv_storvsc: IO cmd 0x1a 0x0 0x8 scsi status 0x0 srb status 0x20 length 4
[ 2.186247] sd 1:0:0:1: [sdb] Asking for cache data failed
[ 2.186247] sd 1:0:0:1: [sdb] Assuming drive cache: write through
[ 2.186603] hv_storvsc: IO cmd 0x0 0x0 0x0 scsi status 0x0 srb status 0x20 length 4
[ 2.186637] hv_storvsc: IO cmd 0x25 0x0 0x0 scsi status 0x0 srb status 0x20 length 8
[ 2.186686] sd 1:0:0:1: [sdb] Sector size 0 reported, assuming 512.
[ 2.186665] hv_storvsc: IO cmd 0x1a 0x0 0x3f scsi status 0x0 srb status 0x20 length 4
[ 2.186685] hv_storvsc: IO cmd 0x1a 0x0 0x8 scsi status 0x0 srb status 0x20 length 4
[ 2.186771] sd 1:0:0:3: Attached scsi generic sg4 type 0
[ 2.186849] hv_storvsc: IO cmd 0x0 0x0 0x0 scsi status 0x0 srb status 0x20 length 8
[ 2.186861] hv_storvsc: IO cmd 0x25 0x0 0x0 scsi status 0x0 srb status 0x20 length 8
[ 2.186965] hv_storvsc: IO cmd 0x0 0x0 0x0 scsi status 0x0 srb status 0x20 length 0
[ 2.187002] hv_storvsc: IO cmd 0x25 0x0 0x0 scsi status 0x0 srb status 0x20 length 8
[ 2.186990] hv_storvsc: IO cmd 0x28 0x0 0x0 scsi status 0x0 srb status 0x20 length 512
[ 2.186999] sd 1:0:0:4: Attached scsi generic sg5 type 0
[ 2.187023] sd 1:0:0:3: [sdd] Sector size 0 reported, assuming 512.
[ 2.187025] sd 1:0:0:3: [sdd] 1 512-byte logical blocks: (512 B/512 B)
[ 2.187026] sd 1:0:0:3: [sdd] 0-byte physical blocks
[ 2.187073] hv_storvsc: IO cmd 0x1a 0x0 0x3f scsi status 0x0 srb status 0x20 length 4
[ 2.187054] sd 1:0:0:3: [sdd] Write Protect is off
[ 2.187106] hv_storvsc: IO cmd 0x1a 0x0 0x8 scsi status 0x0 srb status 0x20 length 4
[ 2.187225] sd 1:0:0:3: [sdd] Asking for cache data failed
[ 2.187226] sd 1:0:0:3: [sdd] Assuming drive cache: write through
[ 2.187267] sd 1:0:0:5: Attached scsi generic sg6 type 0
[ 2.187579] hv_storvsc: IO cmd 0x4a 0x1 0x0 scsi status 0x0 srb status 0x1 length 8
[ 2.187613] hv_storvsc: IO cmd 0x0 0x0 0x0 scsi status 0x2 srb status 0x84 length 0
[ 2.187644] hv_storvsc: IO cmd 0x12 0x0 0x0 scsi status 0x0 srb status 0x1 length 36
[ 2.187645] inquiry data: 00000000: 05 80 00 02 1f 00 00 00 4d 73 66 74 20 20 20 20
[ 2.187646] inquiry data: 00000010: 56 69 72 74 75 61 6c 20 44 56 44 2d 52 4f 4d 20
[ 2.187646] inquiry data: 00000020: 31 2e 30 20
[ 2.187751] sd 1:0:0:2: [sdc] Sector size 0 reported, assuming 512.
[ 2.187695] sd 1:0:0:6: Attached scsi generic sg7 type 0
[ 2.187754] sd 1:0:0:2: [sdc] 1 512-byte logical blocks: (512 B/512 B)
[ 2.187762] sd 1:0:0:2: [sdc] 0-byte physical blocks
[ 2.187786] hv_storvsc: IO cmd 0x4a 0x1 0x0 scsi status 0x0 srb status 0x1 length 8
[ 2.187786] hv_storvsc: IO cmd 0x0 0x0 0x0 scsi status 0x0 srb status 0x20 length 4
[ 2.187746] hv_storvsc: IO cmd 0x1a 0x0 0x3f scsi status 0x0 srb status 0x20 length 4
[ 2.187790] hv_storvsc: IO cmd 0x0 0x0 0x0 scsi status 0x2 srb status 0x84 length 0
[ 2.187841] sd 1:0:0:2: [sdc] Write Protect is off
[ 2.187796] hv_storvsc: IO cmd 0x1a 0x0 0x8 scsi status 0x0 srb status 0x20 length 4
[ 2.187799] hv_storvsc: IO cmd 0x12 0x1 0x0 scsi status 0x0 srb status 0x1 length 6
[ 2.187800] inquiry data: 00000000: 05 00 00 02 00 83
[ 2.187893] sd 1:0:0:2: [sdc] Asking for cache data failed
[ 2.187894] sd 1:0:0:2: [sdc] Assuming drive cache: write through
[ 2.188016] hv_storvsc: IO cmd 0x25 0x0 0x0 scsi status 0x0 srb status 0x20 length 8
** 812 printk messages dropped ** [ 2.211818] hv_storvsc: IO cmd 0x28 0x0 0x0 scsi status 0x0 srb status 0x20 length 512
** 881 printk messages dropped ** [ 2.217316] hv_storvsc: IO cmd 0x28 0x0 0x0 scsi status 0x0 srb status 0x20 length 512
** 671 printk messages dropped ** [ 2.222495] hv_storvsc: IO cmd 0x28 0x0 0x0 scsi status 0x0 srb status 0x20 length 512
** 136 printk messages dropped ** [ 2.223813] hv_storvsc: IO cmd 0x28 0x0 0x0 scsi status 0x0 srb status 0x20 length 512
** 477 printk messages dropped ** [ 2.227906] hv_storvsc: IO cmd 0x28 0x0 0x0 scsi status 0x0 srb status 0x20 length 512
** 768 printk messages dropped ** [ 2.232439] hv_storvsc: IO cmd 0x28 0x0 0x0 scsi status 0x0 srb status 0x20 length 512
** 389 printk messages dropped ** [ 2.234770] hv_storvsc: IO cmd 0x28 0x0 0x0 scsi status 0x0 srb status 0x20 lengt
next prev parent reply other threads:[~2017-03-01 1:33 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 [this message]
2017-03-01 6:20 ` James Bottomley
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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20170228172532.280811ed@xeon-e3 \
--to=stephen@networkplumber.org \
--cc=axboe@kernel.dk \
--cc=decui@microsoft.com \
--cc=haiyangz@microsoft.com \
--cc=hch@lst.de \
--cc=jejb@linux.vnet.ibm.com \
--cc=jopoulso@microsoft.com \
--cc=kys@microsoft.com \
--cc=linux-scsi@vger.kernel.org \
--cc=longli@microsoft.com \
--cc=martin.petersen@oracle.com \
--cc=torvalds@linux-foundation.org \
--cc=v-adsuho@microsoft.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.