[opensuse] usb dvd drive



I need some help getting my usb dvd burner burning again.
i suspect some update changed something in the system, the "latest" x86-64,
using the usual repositories plus oss, non-oss, packman and vlc.
the symtoms are as follows:
first off, upon bootup the suse install dvd fires up and works perfectly.
after startup, turning the drive on and inserting a disk results in the
usual popup asking for action to be taken. If I ask for creating a dvd, k3b
takes for ever and then posts the message that "no cd/dvd device exists". any
subsequent attempt to access the drive fails. turning the device off and on,
manually ejecting and reinserting any disk has no effect. no more pop ups
prompting for action. The maddening thing is that if i chose to just explore
an inserted dvd instead of using k3b at the first popup, i can read the data
on a disk, but i can never see anything if i try to access w. k3b.
I have used the Suse k3b and a couple of Packman versions, including the
latest. I do not think it is k3b, something in the mounting goes funky.
rchal restart does not reset the problem. yes, the stoopid thing works in
xp...
starting k3b from console and checking w. dmesg and hwinfo (only the relevant
portions) gives the following errors:

--------------------------------------------------
(K3bDevice::HalConnection) initializing HAL >= 0.5
/dev/sr0 resolved to /dev/sr0
(K3bDevice::Device) could not open device /dev/sr0 for reading
(No such device or address)
could not open device /dev/sr0 (No such device or address)
/dev/scd0 resolved to /dev/sr0
(K3bDevice::Device) could not open device /dev/sr0 for reading
(No such device or address)
could not open device /dev/sr0 (No such device or address)
(K3bDevice::DeviceManager) SCANNING FOR GENERIC DEVICES.
bus: 0, id: 0, lun: 0
bus: 4, id: 0, lun: 0
bus: 4, id: 1, lun: 0
Need a filename that resolves to a SCSI device
Could not resolve /dev/sg4
(K3bDevice::Device) could not open device /dev/sg4 for reading
(No such file or directory)
Could not resolve /dev/sg5
(K3bDevice::Device) could not open device /dev/sg5 for reading
(No such file or directory)
Could not resolve /dev/sg6
(K3bDevice::Device) could not open device /dev/sg6 for reading
(No such file or directory)
Could not resolve /dev/sg7
(K3bDevice::Device) could not open device /dev/sg7 for reading
(No such file or directory)
Could not resolve /dev/sg8
(K3bDevice::Device) could not open device /dev/sg8 for reading
(No such file or directory)
Could not resolve /dev/sg9
(K3bDevice::Device) could not open device /dev/sg9 for reading
(No such file or directory)
Could not resolve /dev/sg10
(K3bDevice::Device) could not open device /dev/sg10 for reading
(No such file or directory)
Could not resolve /dev/sg11
(K3bDevice::Device) could not open device /dev/sg11 for reading
(No such file or directory)
Could not resolve /dev/sg12
(K3bDevice::Device) could not open device /dev/sg12 for reading
(No such file or directory)
Could not resolve /dev/sg13
(K3bDevice::Device) could not open device /dev/sg13 for reading
(No such file or directory)
Could not resolve /dev/sg14
(K3bDevice::Device) could not open device /dev/sg14 for reading
(No such file or directory)
Could not resolve /dev/sg15
(K3bDevice::Device) could not open device /dev/sg15 for reading
(No such file or directory)
Devices:
--------------------------------------------------------------------------------------

dmesg

usbcore: registered new interface driver usbhid
drivers/hid/usbhid/hid-core.c: v2.6:USB HID core driver
usb 3-2: new high speed USB device using ehci_hcd and address 3
usb 3-2: new device found, idVendor=04b4, idProduct=6830
usb 3-2: new device strings: Mfr=0, Product=57, SerialNumber=44
usb 3-2: Product: Cypress AT2LP
usb 3-2: SerialNumber: DEF1064A6FC1
usb 3-2: configuration #1 chosen from 1 choice
usb-storage: device found at 3
usb-storage: waiting for device to settle before scanning
usbcore: registered new interface driver usb-storage
usb-storage: device scan complete
-----------------------------------------------------------------------------

hwinfo:


50: SCSI 600.0: 10602 CD-ROM (DVD)
[Created at block.237]

UDI: /org/freedesktop/Hal/devices/usb_device_4b4_6830_DEF1064A6FC1_if0_scsi_ho
st_scsi_device_lun0_scsi_generic
Unique ID: mZxt.GZc3Y91k6v4
Parent ID: sClz.aWxnkWagtQ7
SysFS ID: /block/sr0
SysFS BusID: 6:0:0:0
SysFS Device
Link: /devices/pci0000:00/0000:00:1a.7/usb3/3-2/3-2:1.0/host6/tar
get6:0:0/6:0:0:0
Hardware Class: cdrom
Model: "ATAPI DVD DD 8X16X8X16"
Vendor: usb 0x04b4 "ATAPI"
Device: usb 0x6830 "DVD DD 8X16X8X16"
Revision: "GSJB"
Serial ID: "DEF1064A6FC1"
Driver: "usb-storage", "sr"
Driver Modules: "usb_storage"
Device File: /dev/sr0 (/dev/sg3)
Device
Files: /dev/sr0, /dev/scd0, /dev/disk/by-id/usb-ATAPI_DVD_DD_8X16X8X16_
DEF1064A6FC1-0:0, /dev/disk/by-path/pci-0000:00:1a.7-usb-0:2:1.0-scsi-0:0:0:0, /
dev/cdrom, /dev/cdrw, /dev/dvd, /dev/dvdrw
Device Number: block 11:0 (char 21:3)
Features: DVD
Speed: 480 Mbps
Module Alias: "usb:v04B4p6830d0240dc00dsc00dp00ic08isc06ip50"
Driver Info #0:
Driver Status: usb_storage is active
Driver Activation Cmd: "modprobe usb_storage"
Drive status: no medium
Config Status: cfg=new, avail=yes, need=no, active=unknown
Attached to: #19 (USB Controller)
Drive Speed: 48
------------------------------------------------------------------------------------

thanks in advance,
d.
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