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Subject[Bug 466] New: SBP2 driver doesn't appear to register a block device?
http://bugme.osdl.org/show_bug.cgi?id=466

Summary: SBP2 driver doesn't appear to register a block device?
Kernel Version: 2.5.65
Status: NEW
Severity: normal
Owner: bcollins@debian.org
Submitter: thoffman@arnor.net


Distribution: Red Hat 8.0
Hardware Environment: Single Processor Pentium III, details below
Software Environment:
Problem Description: Loading ieee1394 SBP2 driver doesn't result in a usable
block device appearing.

Steps to reproduce:
Attach firewire drive.
Boot 2.5.65, load ieee1394, ohci1394, sbp2 modules.

The firewire to IDE bridge is correctly detected, as is the actual hard drive
attached to the bridge. Everything seems to be fine, but the drive does not
show up in /proc/partitions, and I can't mount /dev/sda1.

(Under a 2.4.x kernel, /dev/sda and /dev/sda1 would show up at this point)

Here is more information: ieee1394 and SCSI settings from .config:

CONFIG_SCSI=m
CONFIG_BLK_DEV_SD=m
CONFIG_BLK_DEV_SR=m
CONFIG_CHR_DEV_SG=m

CONFIG_IEEE1394=m
CONFIG_IEEE1394_OHCI1394=m
CONFIG_IEEE1394_SBP2=m

dmesg after loading the modules has:

ohci1394_0: Unexpected PCI resource length of 1000!
ohci1394_0: OHCI-1394 1.0 (PCI): IRQ=[9] MMIO=[e9000000-e90007ff] Max
Packet=[2048]
ieee1394: Node added: ID:BUS[00:1023] GUID[0004830000002cb3] [Unknown] (Oxford )
ieee1394: Host added: ID:BUS[01:1023] GUID[0030dd8000505e29] [Unknown] (Linux
OHCI-1394)

SCSI subsystem initialized
scsi0 : SCSI emulation for for IEEE-1394 Storage Devices
ieee1394: sbp2: Logged into SBP-2 device
ieee1394: sbp2: Node[00:1023]: Max speed [S400] - Max payload [2048]
Vendor: WDC WD12 Model: 00JB-00CRA1 Rev:
Type: Direct-Access ANSI SCSI revision: 06

- - -
thoffman@rohan linux-2.5.65]$ cat /proc/partitions
major minor #blocks name

3 0 60030432 hda
3 1 1052226 hda1
3 2 5245222 hda2
3 3 1052257 hda3
3 4 1 hda4
3 5 522081 hda5
3 6 522081 hda6
3 7 51632878 hda7

cat /proc/bus/ieee1394/devices
Node[00:1023] GUID[0004830000002cb3]:
Vendor ID : `Unknown' [0x000483]
Vendor text : `Oxford '
Capabilities: 0x0083c0
Tlabel stats:
Free : 64
Total : 66
Mask : 0000000000000000
Bus Options :
IRMC(0) CMC(0) ISC(0) BMC(0) PMC(0) GEN(0)
LSPD(0) MAX_REC(64) CYC_CLK_ACC(255)
Unit Directory 0:
Vendor/Model ID : Oxford [000483] / 911D [000001]
Software Spec ID : 00609e
Software Version : 010483
Driver : SBP2 Driver
Length (in quads): 8
Node[01:1023] GUID[0030dd8000505e29]:
Vendor ID : `Unknown' [0x000000]
Vendor text : `Linux OHCI-1394'
Capabilities: 0x0083c0
Tlabel stats:
Free : 64
Total : 23
Mask : 0000000000000000
Bus Options :
IRMC(1) CMC(1) ISC(1) BMC(0) PMC(0) GEN(0)
LSPD(2) MAX_REC(2048) CYC_CLK_ACC(0)
Host Node Status:
Host Driver : ohci1394
Nodes connected : 2
Nodes active : 2
SelfIDs received: 2
Irm ID : [01:1023]
BusMgr ID : [63:1023]
In Bus Reset : no
Root : yes
Cycle Master : yes
IRM : yes
Bus Manager : no

cat scsi/sbp2/0
Host scsi0 : SBP-2 IEEE-1394 (ohci1394)
Driver version : $Rev: 797 $ James Goodwin <jamesg@filanet.com>

Module options :
sbp2_max_speed : S400
sbp2_max_sectors : 255
sbp2_serialize_io : no
sbp2_exclusive_login : yes

Attached devices :
[Channel: 00, Id: 00, Lun: 00] Direct-Access WDC WD12 00JB-00CRA1

- - - - -
$ cat /proc/scsi/scsi

Attached devices:
Host: scsi0 Channel: 00 Id: 00 Lun: 00
Vendor: WDC WD12 Model: 00JB-00CRA1 Rev:
Type: Direct-Access ANSI SCSI revision: 06

- - - - -
$ cat /proc/devices
[cut char devices]
Block devices:
1 ramdisk
3 ide0
7 loop
22 ide1


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