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SubjectThe IEEE-1394 saga continued... [ was: IEEE-1394 problem on init ]
On Wed, Apr 23, 2003 at 10:42:58PM +0200, Stelian Pop wrote:

> > I haven't been able to figure out how to get the scsi
> > subsystem to remove devices in this condition:
> Well, hopefully someone here will direct you towards the
> correct solution before 2.4.21 gets final... Firewire devices
> tend to be plugged / unplugged quite often.

This was three days ago. Today, without *any* notice (like posting
a patch on lkml for example, as I already suggested it), I saw a
new IEEE1394 patch was checked in into Marcelo's tree.

As usual, the patch was quite big, in Ben's own words "virtualy
bloated [...] by format changes". Why he continues to submit patches
like that one in -rc stage is beyond my understanding.

And guess what ? The new patch broke (again) my setup. When I plug
in my iPod, the scsi layer does not see it anymore.

Since I reported issues about this 3 days ago, I would have appreciated
being CC:'ed on the patch mail, so I could have reported issues
like this _before_ such a patch being applied.

Is this so hard to get it right Ben ? From a Debian developer like you
I would have expected you to be a bit more organized and respectful
about the kernel community. And no, the long 2.4.21 release cycle
does not justify everything.

You're now one of those who slow down the final release. All this
makes me think that the initial feeling I had, to completly backout
the ieee1394 changes until 2.4.22-pre, was correct...


PS: In case they are useful, various logs are included below:

dmesg (with #define CONFIG_IEEE1394_SBP2_DEBUG 2 activated):
ieee1394: sbp2: sbp2_module_init
ieee1394: sbp2: sbp2_add_host
ieee1394: sbp2: sbp2scsi_detect
scsi1 : SCSI emulation for IEEE-1394 SBP-2 Devices
ieee1394: sbp2: sbp2scsi_queuecommand
ieee1394: sbp2: sbp2scsi_queuecommand
ieee1394: sbp2: sbp2scsi_queuecommand
ieee1394: sbp2: sbp2scsi_queuecommand
ieee1394: sbp2: sbp2scsi_queuecommand
ieee1394: sbp2: sbp2scsi_queuecommand
ieee1394: sbp2: sbp2scsi_queuecommand
ieee1394: sbp2: sbp2scsi_queuecommand
ieee1394: sbp2: sbp2_probe
ieee1394: sbp2: sbp2_start_device
ieee1394: sbp2: sbp2_parse_unit_directory
ieee1394: sbp2: sbp2_unit_characteristics = 1e08
ieee1394: sbp2: sbp2_command_set_spec_id = 609e
ieee1394: sbp2: sbp2_command_set = 104d8
ieee1394: sbp2: sbp2_firmware_revision = a2700
ieee1394: sbp2: sbp2_management_agent_addr = f0010000
ieee1394: sbp2: sbp2_device_type_and_lun = e0000
ieee1394: sbp2: New SBP-2 device inserted, SCSI ID = 0
ieee1394: sbp2: sbp2_login_device
ieee1394: sbp2: sbp2_login_device: password_hi/lo initialized
ieee1394: sbp2: sbp2_login_device: login_response_hi/lo initialized
ieee1394: sbp2: sbp2_login_device: lun_misc initialized
ieee1394: sbp2: sbp2_login_device: passwd_resp_lengths initialized
ieee1394: sbp2: sbp2_login_device: status FIFO initialized
ieee1394: sbp2: sbp2_login_device: orb byte-swapped
ieee1394: sbp2: sbp2_login_device: login_response/status FIFO memset
ieee1394: sbp2: sbp2_login_device: prepared to write
ieee1394: sbp2: sbp2_login_device: written
ieee1394: sbp2: sbp2_handle_status_write
ieee1394: sbp2: command_block_agent_hi = ffc1ffff
ieee1394: sbp2: command_block_agent_lo = f0010020
ieee1394: sbp2: Logged into SBP-2 device
ieee1394: sbp2: sbp2_set_busy_timeout
ieee1394: sbp2: sbp2_agent_reset
ieee1394: sbp2: sbp2_max_speed_and_size
ieee1394: sbp2: Node[01:1023]: Max speed [S400] - Max payload [2048]
Attached devices:
Host: scsi0 Channel: 00 Id: 00 Lun: 00
Vendor: Sony Model: MSC-U01N Rev: 1.00
Type: Direct-Access ANSI SCSI revision: 02

Host scsi1 : SBP-2 IEEE-1394 (ohci1394)
Driver version : $Rev: 906 $ James Goodwin <>

Module options :
max_speed : S800
max_sectors : 255
serialize_io : no
exclusive_login : yes

Attached devices : none

Stelian Pop <>
Alcove -
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