i'm got some problem using de usb-storage module on 2.6.X kernels.

while trying to mount the device (a panasonic dmc-lc 33 camera
identified as a Vendor: MATSHITA  Model: DMC-LC33 by the usb-storage
driver) it returns me "No media found"

modules: usbcore usb-storage ohci-hcd ehci-hcd on kernel 2.6.8

 cat /proc/bus/usb/devices
T:  Bus=03 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#=  1 Spd=12  MxCh= 3
B:  Alloc=  0/900 us ( 0%), #Int=  0, #Iso=  0
D:  Ver= 1.10 Cls=09(hub  ) Sub=00 Prot=00 MxPS= 8 #Cfgs=  1
P:  Vendor=0000 ProdID=0000 Rev= 0.00
S:  Product=USB OHCI Root Hub
S:  SerialNumber=ceefc000
C:* #Ifs= 1 Cfg#= 1 Atr=40 MxPwr=  0mA
I:  If#= 0 Alt= 0 #EPs= 1 Cls=09(hub  ) Sub=00 Prot=00 Driver=hub
E:  Ad=81(I) Atr=03(Int.) MxPS=   2 Ivl=255ms
T:  Bus=02 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#=  1 Spd=12  MxCh= 3
B:  Alloc=  0/900 us ( 0%), #Int=  0, #Iso=  0
D:  Ver= 1.10 Cls=09(hub  ) Sub=00 Prot=00 MxPS= 8 #Cfgs=  1
P:  Vendor=0000 ProdID=0000 Rev= 0.00
S:  Product=USB OHCI Root Hub
S:  SerialNumber=ceefa000
C:* #Ifs= 1 Cfg#= 1 Atr=40 MxPwr=  0mA
I:  If#= 0 Alt= 0 #EPs= 1 Cls=09(hub  ) Sub=00 Prot=00 Driver=hub
E:  Ad=81(I) Atr=03(Int.) MxPS=   2 Ivl=255ms
T:  Bus=02 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#=  4 Spd=12  MxCh= 0
D:  Ver= 1.10 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 8 #Cfgs=  1
P:  Vendor=04da ProdID=2372 Rev= 0.10
S:  Manufacturer=Panasonic
S:  Product=DMC-LC33 
C:* #Ifs= 1 Cfg#= 1 Atr=c0 MxPwr=  2mA
I:  If#= 0 Alt= 0 #EPs= 2 Cls=08(stor.) Sub=06 Prot=50 Driver=usb-storage
E:  Ad=01(O) Atr=02(Bulk) MxPS=  64 Ivl=0ms
E:  Ad=82(I) Atr=02(Bulk) MxPS=  64 Ivl=0ms
I:  If#= 0 Alt= 1 #EPs= 3 Cls=ff(vend.) Sub=06 Prot=50 Driver=usb-storage
E:  Ad=01(O) Atr=02(Bulk) MxPS=  64 Ivl=0ms
E:  Ad=82(I) Atr=02(Bulk) MxPS=  64 Ivl=0ms
E:  Ad=83(I) Atr=03(Int.) MxPS=  64 Ivl=255ms
T:  Bus=01 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#=  1 Spd=480 MxCh= 6
B:  Alloc=  0/800 us ( 0%), #Int=  0, #Iso=  0
D:  Ver= 2.00 Cls=09(hub  ) Sub=00 Prot=01 MxPS= 8 #Cfgs=  1
P:  Vendor=0000 ProdID=0000 Rev= 2.04
S:  Manufacturer=Linux 2.4.26-gentoo-r7 ehci_hcd
S:  Product=Silicon Integrated Systems [SiS] USB 2.0 Controller
S:  SerialNumber=00:03.3
C:* #Ifs= 1 Cfg#= 1 Atr=40 MxPwr=  0mA
I:  If#= 0 Alt= 0 #EPs= 1 Cls=09(hub  ) Sub=00 Prot=00 Driver=hub
E:  Ad=81(I) Atr=03(Int.) MxPS=   2 Ivl=256ms

syslog info

ohci_hcd 0000:00:03.0: wakeup
usb 1-1: new full speed USB device using address 2
Initializing USB Mass Storage driver...
scsi0 : SCSI emulation for USB Mass Storage devices
Vendor: MATSHITA  Model: DMC-LC33          Rev: 0100
Type:   Direct-Access                      ANSI SCSI revision: 02
SCSI device sda: 29121 512-byte hdwr sectors (15 MB)
sda: Write Protect is off
sda: Mode Sense: 04 00 00 00
sda: assuming drive cache: write through
SCSI device sda: 29121 512-byte hdwr sectors (15 MB)
sda: Write Protect is off
sda: Mode Sense: 04 00 00 00
sda: assuming drive cache: write through
SCSI device sda: 29121 512-byte hdwr sectors (15 MB)
sda: Write Protect is off
sda: Mode Sense: 04 00 00 00
sda: assuming drive cache: write through
sda: sda1
sda: sda1
kobject_register failed for sda1 (-17)
[<c0244409>] kobject_register+0x51/0x53
[<c019292a>] add_partition+0xd9/0xfe
[<c0192aec>] register_disk+0x148/0x154
[<c02a37be>] add_disk+0x39/0x47
[<c02a376b>] exact_match+0x0/0x7
[<c02a3772>] exact_lock+0x0/0x13
[<c02cffa3>] sd_probe+0x20d/0x336
[<c0195a73>] sysfs_create+0x7b/0xd1
[<c029bcb7>] bus_match+0x32/0x5b
[<c029bd1a>] device_attach+0x3a/0x87
[<c029bfa1>] bus_add_device+0x6a/0xb0
[<c029affb>] device_add+0x94/0x120
[<c02cd3fa>] scsi_sysfs_add_sdev+0x48/0x1be
[<c02cc0af>] scsi_add_lun+0x2e9/0x3ab
[<c02cc21a>] scsi_probe_and_add_lun+0xa9/0x181
[<c02cc93e>] scsi_scan_target+0x8a/0xf3
[<c02cca05>] scsi_scan_channel+0x5e/0x71
[<c02ccae0>] scsi_scan_host_selected+0xc8/0xd2
[<c02ccb0b>] scsi_scan_host+0x21/0x25
[<cfa4ba4d>] storage_probe+0x156/0x1d2 [usb_storage]
[<cf9d9052>] usb_probe_interface+0x4c/0x52 [usbcore]
[<c029bcb7>] bus_match+0x32/0x5b
[<c029bdb8>] driver_attach+0x51/0x7b
[<c02443da>] kobject_register+0x22/0x53
[<c029c208>] bus_add_driver+0x98/0xb4
[<cf9d90f4>] usb_register+0x3a/0x98 [usbcore]
[<c011fb6e>] printk+0x155/0x1a9
[<cf9bf01d>] usb_stor_init+0x1d/0x39 [usb_storage]
[<c013655b>] sys_init_module+0x11d/0x263
[<c0105f8b>] syscall_call+0x7/0xb
Attached scsi removable disk sda at scsi0, channel 0, id 0, lun 0
USB Mass Storage device found at 2
usbcore: registered new driver usb-storage
USB Mass Storage support registered.


--  
wolvie [at] unitednerds [dot] org
wolvie [at] gmail [dot] com
thomas [at] frontservices [dot] com [dot] br


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