Message-ID: <CAJiejCRCXgCw957to0fWhQPS69doacY9DOaQMpfyxM4bm3igQw@mail.gmail.com>
Date:	Sat, 22 Dec 2012 23:33:39 +0800
From:	Drunkard Zhang <gongfan193@...il.com>
To:	"James E.J. Bottomley" <JBottomley@...allels.com>,
	Dan Williams <dan.j.williams@...el.com>,
	Jack Wang <jack_wang@...sh.com>, Xi Wang <xi.wang@...il.com>,
	Xiangliang Yu <yuxiangl@...vell.com>,
	linux-scsi@...r.kernel.org,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: mvsas regression since 3.5

I'm using Asus PIKE 6480 SAS card, whose chipset is "RAID bus
controller: Marvell Technology Group Ltd. MV64460/64461/64462 System
Controller, Revision B", with latest stable branch 3.7.1 only 1 of 8
ports works, to get others works I got to pull & plug back. While with
3.5.7 it's all good, so it must be a regression.

Here's corresponding boot time dmesg of 3.7.1 with debug compiled:

[    5.967302] udevd[1212]: starting version 171
[    6.568908] mvsas 0000:04:00.0: mvsas: driver version 0.8.16
[    6.569431] mvsas 0000:04:00.0: mvsas: PCI-E x4, Bandwidth Usage: 2.5 Gbps
[   10.980331] drivers/scsi/mvsas/mv_sas.c 1174:phy 0 attach dev info is 0
[   10.980334] drivers/scsi/mvsas/mv_sas.c 1176:phy 0 attach sas addr is 0
[   11.180909] drivers/scsi/mvsas/mv_sas.c 1174:phy 1 attach dev info is 0
[   11.180912] drivers/scsi/mvsas/mv_sas.c 1176:phy 1 attach sas addr is 1
[   11.381501] drivers/scsi/mvsas/mv_sas.c 1174:phy 2 attach dev info is 0
[   11.381503] drivers/scsi/mvsas/mv_sas.c 1176:phy 2 attach sas addr is 2
[   11.582085] drivers/scsi/mvsas/mv_sas.c 1174:phy 3 attach dev info is 0
[   11.582088] drivers/scsi/mvsas/mv_sas.c 1176:phy 3 attach sas addr is 3
[   11.782673] drivers/scsi/mvsas/mv_sas.c 1174:phy 4 attach dev info is 0
[   11.782676] drivers/scsi/mvsas/mv_sas.c 1176:phy 4 attach sas addr is 4
[   11.983262] drivers/scsi/mvsas/mv_sas.c 1174:phy 5 attach dev info is 800
[   11.983265] drivers/scsi/mvsas/mv_sas.c 1176:phy 5 attach sas addr is 5
[   12.183856] drivers/scsi/mvsas/mv_sas.c 1174:phy 6 attach dev info is 4
[   12.183858] drivers/scsi/mvsas/mv_sas.c 1176:phy 6 attach sas addr is 6
[   12.384438] drivers/scsi/mvsas/mv_sas.c 1174:phy 7 attach dev info is 0
[   12.384441] drivers/scsi/mvsas/mv_sas.c 1176:phy 7 attach sas addr is 7
[   12.384447] scsi6 : mvsas
[   12.385479] drivers/scsi/mvsas/mv_sas.c 277:phy 0 byte dmaded.
[   12.385482] drivers/scsi/mvsas/mv_sas.c 277:phy 1 byte dmaded.
[   12.385488] drivers/scsi/mvsas/mv_sas.c 277:phy 2 byte dmaded.
[   12.385491] drivers/scsi/mvsas/mv_sas.c 277:phy 3 byte dmaded.
[   12.385494] drivers/scsi/mvsas/mv_sas.c 277:phy 4 byte dmaded.
[   12.385497] drivers/scsi/mvsas/mv_sas.c 277:phy 5 byte dmaded.
[   12.385500] drivers/scsi/mvsas/mv_sas.c 277:phy 6 byte dmaded.
[   12.385503] drivers/scsi/mvsas/mv_sas.c 277:phy 7 byte dmaded.
[   12.385614] sas: phy-6:0 added to port-6:0, phy_mask:0x1 (               0)
[   12.385667] sas: phy-6:1 added to port-6:1, phy_mask:0x2 ( 100000000000000)
[   12.385716] sas: phy-6:2 added to port-6:2, phy_mask:0x4 ( 200000000000000)
[   12.385759] sas: phy-6:3 added to port-6:3, phy_mask:0x8 ( 300000000000000)
[   12.385801] sas: phy-6:4 added to port-6:4, phy_mask:0x10 ( 400000000000000)
[   12.385851] sas: phy-6:5 added to port-6:5, phy_mask:0x20 ( 500000000000000)
[   12.385895] sas: phy-6:6 added to port-6:6, phy_mask:0x40 ( 600000000000000)
[   12.385942] sas: phy-6:7 added to port-6:7, phy_mask:0x80 ( 700000000000000)
[   12.385967] sas: DOING DISCOVERY on port 0, pid:847
[   12.385974] sas: DONE DISCOVERY on port 0, pid:847, result:0
[   12.385986] sas: DOING DISCOVERY on port 1, pid:847
[   12.385991] sas: DONE DISCOVERY on port 1, pid:847, result:0
[   12.386003] sas: DOING DISCOVERY on port 2, pid:847
[   12.386009] sas: DONE DISCOVERY on port 2, pid:847, result:0
[   12.386020] sas: DOING DISCOVERY on port 3, pid:847
[   12.386029] sas: DONE DISCOVERY on port 3, pid:847, result:0
[   12.386041] sas: DOING DISCOVERY on port 4, pid:847
[   12.386048] sas: DONE DISCOVERY on port 4, pid:847, result:0
[   12.386060] sas: DOING DISCOVERY on port 5, pid:847
[   12.386066] sas: DONE DISCOVERY on port 5, pid:847, result:0
[   12.386077] sas: DOING DISCOVERY on port 6, pid:847
[   12.386083] sas: DONE DISCOVERY on port 6, pid:847, result:0
[   12.386095] sas: DOING DISCOVERY on port 7, pid:847
[   12.386101] sas: DONE DISCOVERY on port 7, pid:847, result:0
[   12.386188] sas: Enter sas_scsi_recover_host busy: 0 failed: 0
[   12.386281] sas: ata7: end_device-6:0: dev error handler
[   12.537987] ata7.00: ATA-8: ST33000650NS, 0004, max UDMA/133
[   12.537992] ata7.00: 5860533168 sectors, multi 0: LBA48 NCQ (depth 31/32)
[   12.538227] drivers/scsi/mvsas/mv_sas.c 1857:port 0 slot 0 rx_desc
20000 has error info0000000081000000.
[   12.538256] ata7.00: failed to get Identify Device Data, Emask 0x1
[   12.539467] drivers/scsi/mvsas/mv_sas.c 1857:port 0 slot 0 rx_desc
20000 has error info0000000081000000.
[   12.539496] ata7.00: failed to get Identify Device Data, Emask 0x1
[   12.539504] ata7.00: configured for UDMA/133
[   12.539611] sas: --- Exit sas_scsi_recover_host: busy: 0 failed: 0 tries: 1
[   12.550707] scsi 6:0:0:0: Direct-Access     ATA      ST33000650NS
  0004 PQ: 0 ANSI: 5
[   12.550800] sas: Enter sas_scsi_recover_host busy: 0 failed: 0
[   12.550893] sas: ata7: end_device-6:0: dev error handler
[   12.550983] sas: ata8: end_device-6:1: dev error handler
[   12.702637] drivers/scsi/mvsas/mv_sas.c 1857:port 1 slot 0 rx_desc
20000 has error info0000000081000000.
[   12.702667] ata8.00: both IDENTIFYs aborted, assuming NODEV
[   12.702766] sas: --- Exit sas_scsi_recover_host: busy: 0 failed: 0 tries: 1
[   12.714341] sas: Enter sas_scsi_recover_host busy: 0 failed: 0
[   12.714418] sas: ata7: end_device-6:0: dev error handler
[   12.714435] sas: ata8: end_device-6:1: dev error handler
[   12.714440] sas: ata9: end_device-6:2: dev error handler
[   12.865290] drivers/scsi/mvsas/mv_sas.c 1857:port 2 slot 0 rx_desc
20000 has error info0000000081000000.
[   12.865319] ata9.00: both IDENTIFYs aborted, assuming NODEV
[   12.865423] sas: --- Exit sas_scsi_recover_host: busy: 0 failed: 0 tries: 1
[   12.876995] sas: Enter sas_scsi_recover_host busy: 0 failed: 0
[   12.877094] sas: ata7: end_device-6:0: dev error handler
[   12.877111] sas: ata8: end_device-6:1: dev error handler
[   12.877118] sas: ata9: end_device-6:2: dev error handler
[   12.877123] sas: ata10: end_device-6:3: dev error handler
[   13.027975] drivers/scsi/mvsas/mv_sas.c 1857:port 3 slot 0 rx_desc
20000 has error info0000000081000000.
[   13.028004] ata10.00: both IDENTIFYs aborted, assuming NODEV
[   13.028098] sas: --- Exit sas_scsi_recover_host: busy: 0 failed: 0 tries: 1
[   13.039653] sas: Enter sas_scsi_recover_host busy: 0 failed: 0
[   13.039731] sas: ata7: end_device-6:0: dev error handler
[   13.039747] sas: ata8: end_device-6:1: dev error handler
[   13.039754] sas: ata9: end_device-6:2: dev error handler
[   13.039760] sas: ata10: end_device-6:3: dev error handler
[   13.039765] sas: ata11: end_device-6:4: dev error handler
[   13.195528] drivers/scsi/mvsas/mv_sas.c 1857:port 4 slot 0 rx_desc
20000 has error info0000000081000000.
[   13.195557] ata11.00: both IDENTIFYs aborted, assuming NODEV
[   13.195664] sas: --- Exit sas_scsi_recover_host: busy: 0 failed: 0 tries: 1
[   13.207297] sas: Enter sas_scsi_recover_host busy: 0 failed: 0
[   13.207392] sas: ata7: end_device-6:0: dev error handler
[   13.207409] sas: ata8: end_device-6:1: dev error handler
[   13.207417] sas: ata9: end_device-6:2: dev error handler
[   13.207422] sas: ata10: end_device-6:3: dev error handler
[   13.207427] sas: ata11: end_device-6:4: dev error handler
[   13.207432] sas: ata12: end_device-6:5: dev error handler
[   13.360919] drivers/scsi/mvsas/mv_sas.c 1857:port 5 slot 0 rx_desc
20000 has error info0000000081000000.
[   13.360949] ata12.00: both IDENTIFYs aborted, assuming NODEV
[   13.361059] sas: --- Exit sas_scsi_recover_host: busy: 0 failed: 0 tries: 1
[   13.371980] sas: Enter sas_scsi_recover_host busy: 0 failed: 0
[   13.372076] sas: ata7: end_device-6:0: dev error handler
[   13.372092] sas: ata8: end_device-6:1: dev error handler
[   13.372099] sas: ata9: end_device-6:2: dev error handler
[   13.372105] sas: ata10: end_device-6:3: dev error handler
[   13.372110] sas: ata11: end_device-6:4: dev error handler
[   13.372115] sas: ata12: end_device-6:5: dev error handler
[   13.372119] sas: ata13: end_device-6:6: dev error handler
[   13.525785] drivers/scsi/mvsas/mv_sas.c 1857:port 6 slot 0 rx_desc
20000 has error info0000000081000000.
[   13.525814] ata13.00: both IDENTIFYs aborted, assuming NODEV
[   13.525919] sas: --- Exit sas_scsi_recover_host: busy: 0 failed: 0 tries: 1
[   13.537549] sas: Enter sas_scsi_recover_host busy: 0 failed: 0
[   13.537606] sas: ata7: end_device-6:0: dev error handler
[   13.537623] sas: ata8: end_device-6:1: dev error handler
[   13.537630] sas: ata9: end_device-6:2: dev error handler
[   13.537635] sas: ata10: end_device-6:3: dev error handler
[   13.537640] sas: ata11: end_device-6:4: dev error handler
[   13.537645] sas: ata12: end_device-6:5: dev error handler
[   13.537650] sas: ata13: end_device-6:6: dev error handler
[   13.537655] sas: ata14: end_device-6:7: dev error handler
[   13.692779] drivers/scsi/mvsas/mv_sas.c 1857:port 7 slot 0 rx_desc
20000 has error info0000000081000000.
[   13.692808] ata14.00: both IDENTIFYs aborted, assuming NODEV
[   13.692917] sas: --- Exit sas_scsi_recover_host: busy: 0 failed: 0 tries: 1
[   13.704396] sd 6:0:0:0: [sde] 5860533168 512-byte logical blocks:
(3.00 TB/2.72 TiB)
[   13.704461] sd 6:0:0:0: [sde] Write Protect is off
[   13.704466] sd 6:0:0:0: [sde] Mode Sense: 00 3a 00 00
[   13.704492] sd 6:0:0:0: [sde] Write cache: enabled, read cache:
enabled, doesn't support DPO or FUA
[   13.704589] sd 6:0:0:0: Attached scsi generic sg4 type 0
[   13.742800]  sde: sde1
[   13.743201] sd 6:0:0:0: [sde] Attached SCSI disk
[   14.848140] bio: create slab <bio-1> at 1

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