From: Stephen Hemminger <stephen@networkplumber.org>
To: James Bottomley <James.Bottomley@HansenPartnership.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: Wed, 1 Mar 2017 13:27:41 -0800 [thread overview]
Message-ID: <20170301132741.7aa3eb96@xeon-e3> (raw)
In-Reply-To: <1488396022.2183.26.camel@HansenPartnership.com>
Ok here is much better data, wasn't accounting for the offset in the payload
Working 4.10
[ 1.020041] scsi host0: storvsc_host_t
[ 1.024998] hv_storvsc: INQUIRY cmd 0x12 0x0 0x0 scsi status 0x0 srb status 0x1 length 36
[ 1.027452] hv_storvsc: payload size 288 count 1 offset 3072 len 36 pfn 0x1f15d0
[ 1.029385] hv_storvsc: sg 0: phys 0x1f15d0000 virt ffff9270b15d0000 offset 0xc00 length 36
[ 1.031720] data: 00000000: 00 00 05 02 1f 00 00 02 4d 73 66 74 20 20 20 20 ........Msft
[ 1.033846] data: 00000010: 56 69 72 74 75 61 6c 20 44 69 73 6b 20 20 20 20 Virtual Disk
[ 1.036080] data: 00000020: 31 2e 30 20 1.0
[ 1.038249] scsi 0:0:0:0: Direct-Access Msft Virtual Disk 1.0 PQ: 0 ANSI: 5
[ 1.040394] hv_storvsc: INQUIRY cmd 0x12 0x1 0x0 scsi status 0x0 srb status 0x1 length 12
[ 1.041494] scsi host1: storvsc_host_t
[ 1.044683] hv_storvsc: payload size 288 count 1 offset 0 len 255 pfn 0x1f0faf
[ 1.046940] hv_storvsc: sg 0: phys 0x1f0faf000 virt ffff9270b0faf000 offset 0x0 length 255
[ 1.048555] hv_storvsc: INQUIRY cmd 0x12 0x0 0x0 scsi status 0x0 srb status 0x1 length 36
[ 1.048556] hv_storvsc: payload size 288 count 1 offset 2816 len 36 pfn 0x1f15d6
[ 1.048557] hv_storvsc: sg 0: phys 0x1f15d6000 virt ffff9270b15d6000 offset 0xb00 length 36
[ 1.048559] data: 00000000: 05 80 00 02 1f 00 00 00 4d 73 66 74 20 20 20 20 ........Msft
[ 1.048560] data: 00000010: 56 69 72 74 75 61 6c 20 44 56 44 2d 52 4f 4d 20 Virtual DVD-ROM
[ 1.048560] data: 00000020: 31 2e 30 20 1.0
[ 1.048590] scsi 1:0:0:0: CD-ROM Msft Virtual DVD-ROM 1.0 PQ: 0 ANSI: 0
[ 1.048920] hv_storvsc: INQUIRY cmd 0x12 0x0 0x0 scsi status 0x0 srb status 0x20 length 36
[ 1.048920] hv_storvsc: payload size 288 count 1 offset 1024 len 36 pfn 0x1f15d7
[ 1.048921] hv_storvsc: sg 0: phys 0x1f15d7000 virt ffff9270b15d7000 offset 0x400 length 36
[ 1.048922] data: 00000000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
[ 1.048923] data: 00000010: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
[ 1.048923] data: 00000020: 00 00 00 00 ....
[ 1.048942] scsi host1: scsi scan: INQUIRY result too short (5), using 36
Broken 4.11
[ 1.487930] scsi host0: storvsc_host_t
[ 1.541254] hv_storvsc: INQUIRY cmd 0x12 0x0 0x0 scsi status 0x0 srb status 0x1 length 36
[ 1.545242] hv_storvsc: payload size 288 count 1 offset 768 len 36 pfn 0x1f1196
[ 1.545242] hv_storvsc: sg 0: phys 0x1f1196000 virt ffff9a42f1196000 offset 0x300 length 36
[ 1.545242] data: 00000000: 00 00 05 02 1f 00 00 02 4d 73 66 74 20 20 20 20 ........Msft
[ 1.545242] data: 00000010: 56 69 72 74 75 61 6c 20 44 69 73 6b 20 20 20 20 Virtual Disk
[ 1.545242] data: 00000020: 31 2e 30 20 1.0
[ 1.570136] scsi 0:0:0:0: Direct-Access Msft Virtual Disk 1.0 PQ: 0 ANSI: 5
[ 1.571001] scsi host1: storvsc_host_t
[ 1.608793] hv_storvsc: INQUIRY cmd 0x12 0x1 0x0 scsi status 0x0 srb status 0x1 length 12
[ 1.610316] hv_storvsc: payload size 288 count 1 offset 0 len 255 pfn 0x1f0577
[ 1.611749] hv_storvsc: sg 0: phys 0x1f0577000 virt ffff9a42f0577000 offset 0x0 length 255
[ 1.612788] data: 00000000: 00 00 00 08 00 83 8f b0 b1 b2 ce cf 72 65 61 74 ............reat
[ 1.612788] data: 00000010: 65 5f 66 69 6c 65 00 5f 5f 63 72 63 5f 68 69 64 e_file.__crc_hid
[ 1.612788] data: 00000020: 5f 72 65 70 6f 72 74 5f 72 61 77 5f 65 76 65 6e _report_raw_even
[ 1.612788] data: 00000030: 74 00 76 66 72 65 65 00 75 6e 72 65 67 69 73 74 t.vfree.unregist
[ 1.612788] data: 00000040: 65 72 5f 63 68 72 64 65 76 5f 72 65 67 69 6f 6e er_chrdev_region
[ 1.612788] data: 00000050: 00 6d 75 74 65 78 5f 75 6e 6c 6f 63 6b 00 68 69 .mutex_unlock.hi
[ 1.612788] data: 00000060: 64 5f 64 65 62 75 67 5f 65 78 69 74 00 6b 6d 65 d_debug_exit.kme
[ 1.612788] data: 00000070: 6d 64 75 70 00 68 69 64 72 61 77 5f 65 78 69 74 mdup.hidraw_exit
[ 1.612788] data: 00000080: 00 5f 5f 67 65 74 5f 75 73 65 72 5f 34 00 70 6f .__get_user_4.po
[ 1.612788] data: 00000090: 77 65 72 5f 73 75 70 70 6c 79 5f 70 6f 77 65 72 wer_supply_power
[ 1.612788] data: 000000a0: 73 00 64 65 76 69 63 65 5f 64 65 73 74 72 6f 79 s.device_destroy
[ 1.612788] data: 000000b0: 00 5f 5f 63 72 63 5f 68 69 64 5f 73 6e 74 6f 33 .__crc_hid_snto3
[ 1.612788] data: 000000c0: 32 00 63 61 6e 63 65 6c 5f 77 6f 72 6b 5f 73 79 2.cancel_work_sy
[ 1.612788] data: 000000d0: 6e 63 00 73 65 71 5f 70 72 69 6e 74 66 00 64 6f nc.seq_printf.do
[ 1.612788] data: 000000e0: 77 6e 5f 69 6e 74 65 72 72 75 70 74 69 62 6c 65 wn_interruptible
[ 1.612788] data: 000000f0: 00 5f 5f 63 72 63 5f 68 69 64 5f 70 61 72 73 .__crc_hid_pars
[ 1.649097] hv_storvsc: INQUIRY cmd 0x12 0x1 0x83 scsi status 0x0 srb status 0x1 length 52
[ 1.649097] random: fast init done
[ 1.649097] hv_storvsc: payload size 288 count 1 offset 0 len 255 pfn 0x1f0576
[ 1.649097] hv_storvsc: sg 0: phys 0x1f0576000 virt ffff9a42f0576000 offset 0x0 length 255
[ 1.649097] data: 00000000: 00 83 00 30 01 01 00 18 4d 53 46 54 20 20 20 20 ...0....MSFT
[ 1.649097] data: 00000010: 43 77 cc 85 5f 19 c2 46 ac 48 c7 33 b9 dd 2d 2a Cw.._..F.H.3..-*
[ 1.649097] data: 00000020: 01 03 00 10 60 02 24 80 43 77 cc 85 5f 19 c7 33 ....`.$.Cw.._..3
[ 1.649097] data: 00000030: b9 dd 2d 2a 5f 55 4e 49 51 55 45 5f 49 44 5f 69 ..-*_UNIQUE_ID_i
[ 1.649097] data: 00000040: 67 6e 6f 72 65 5f 73 70 65 63 69 61 6c 5f 64 72 gnore_special_dr
[ 1.649097] data: 00000050: 69 76 65 72 73 74 79 70 65 31 34 00 5f 5f 70 61 iverstype14.__pa
[ 1.649097] data: 00000060: 72 61 6d 5f 69 67 6e 6f 72 65 5f 73 70 65 63 69 ram_ignore_speci
[ 1.649097] data: 00000070: 61 6c 5f 64 72 69 76 65 72 73 00 5f 5f 70 61 72 al_drivers.__par
[ 1.649097] data: 00000080: 61 6d 5f 73 74 72 5f 69 67 6e 6f 72 65 5f 73 70 am_str_ignore_sp
[ 1.649097] data: 00000090: 65 63 69 61 6c 5f 64 72 69 76 65 72 73 00 5f 5f ecial_drivers.__
[ 1.649097] data: 000000a0: 6b 73 79 6d 74 61 62 5f 68 69 64 5f 64 65 62 75 ksymtab_hid_debu
[ 1.649097] data: 000000b0: 67 00 5f 5f 6b 73 74 72 74 61 62 5f 68 69 64 5f g.__kstrtab_hid_
[ 1.649097] data: 000000c0: 64 65 62 75 67 00 5f 5f 55 4e 49 51 55 45 5f 49 debug.__UNIQUE_I
[ 1.649097] data: 000000d0: 44 5f 64 65 62 75 67 31 33 00 5f 5f 55 4e 49 51 D_debug13.__UNIQ
[ 1.649097] data: 000000e0: 55 45 5f 49 44 5f 64 65 62 75 67 74 79 70 65 31 UE_ID_debugtype1
[ 1.649097] data: 000000f0: 32 00 5f 5f 70 61 72 61 6d 5f 64 65 62 75 67 2.__param_debug
[ 1.805271] input: Microsoft Vmbus HID-compliant Mouse as /devices/0006:045E:0621.0001/input/input1
[ 1.805350] hv_storvsc: INQUIRY cmd 0x12 0x0 0x0 scsi status 0x0 srb status 0x1 length 36
[ 1.805351] hv_storvsc: payload size 288 count 1 offset 2304 len 36 pfn 0x1f1988
[ 1.805352] hv_storvsc: sg 0: phys 0x1f1988000 virt ffff9a42f1988000 offset 0x900 length 36
[ 1.805353] data: 00000000: 05 80 00 02 1f 00 00 00 4d 73 66 74 20 20 20 20 ........Msft
[ 1.805353] data: 00000010: 56 69 72 74 75 61 6c 20 44 56 44 2d 52 4f 4d 20 Virtual DVD-ROM
[ 1.805354] data: 00000020: 31 2e 30 20 1.0
[ 1.805379] scsi 1:0:0:0: CD-ROM Msft Virtual DVD-ROM 1.0 PQ: 0 ANSI: 0
[ 1.812926] hv_storvsc: INQUIRY cmd 0x12 0x0 0x0 scsi status 0x0 srb status 0x20 length 36
[ 1.812927] hv_storvsc: payload size 288 count 1 offset 2816 len 36 pfn 0x1f198b
[ 1.812928] hv_storvsc: sg 0: phys 0x1f198b000 virt ffff9a42f198b000 offset 0xb00 length 36
[ 1.812953] data: 00000000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
[ 1.812953] data: 00000010: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
[ 1.812954] data: 00000020: 00 00 00 00 ....
[ 1.813258] scsi host1: scsi scan: INQUIRY result too short (5), using 36
[ 1.813271] scsi 1:0:0:1: Direct-Access PQ: 0 ANSI: 0
[ 1.817903] hv_storvsc: INQUIRY cmd 0x12 0x0 0x0 scsi status 0x0 srb status 0x20 length 36
[ 1.817921] hv_storvsc: payload size 288 count 1 offset 2048 len 36 pfn 0x1f198a
[ 1.817932] hv_storvsc: sg 0: phys 0x1f198a000 virt ffff9a42f198a000 offset 0x800 length 36
[ 1.817940] data: 00000000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
[ 1.817941] data: 00000010: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
[ 1.817941] data: 00000020: 00 00 00 00 ....
The response from offline DVD device is shorter and contains stale data.
next prev parent reply other threads:[~2017-03-01 21:29 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
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 [this message]
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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