From: fab on
Hello.

I can't blank CDs anymore, using either cdrecord or cdrdao, even
though I could do it before.

Can a kernel upgrade be a reason?

Any other hint?

Thanks.

--
F. Delente
From: Loki Harfagr on
Thu, 08 Jul 2010 13:40:38 +0000, fab did cat :

> Hello.
>
> I can't blank CDs anymore, using either cdrecord or cdrdao, even though
> I could do it before.
>
> Can a kernel upgrade be a reason?
>
> Any other hint?

Any other informational message besides "I can't" ?-)
You may even try and add some verbosity to the output (switch '-v')
elsewhat maybe that's just somebody opened your box and stole your CDwriter ;-)
From: Lusotec on
fab(a)slick.airforce-one.org wrote:
> I can't blank CDs anymore, using either cdrecord or cdrdao, even
> though I could do it before.
>
> Can a kernel upgrade be a reason?

May be but is unlikely. Try using the previous kernel and see.

> Any other hint?

Without more information no. Try blanking a CD-RW using the command "cdrdao
blank -v 2" and post the messages here. It may helps us help you.

Regards.

From: fab on
Lusotec <nomail(a)nomail.not> wrote:
> May be but is unlikely. Try using the previous kernel and see.

My upgrade was a while ago, I compiled the kernel myself, and I didn't
keep the older one, so I can't revert to it.

> Without more information no. Try blanking a CD-RW using the command "cdrdao
> blank -v 2" and post the messages here. It may helps us help you.

Ok, here it is, but it's rather terse:

$ cdrdao blank -v 2
Cdrdao version 1.2.1 - (C) Andreas Mueller <andreas(a)daneb.de>
SCSI interface library - (C) Joerg Schilling
Paranoia DAE library - (C) Monty

Check http://cdrdao.sourceforge.net/drives.html#dt for current driver tables.

Using libscg version 'schily-0.8'

/dev/cdrecorder: HL-DT-ST DVDRAM GSA-T40N Rev: JR03
Using driver: Generic SCSI-3/MMC - Version 2.0 (options 0x0000)

Blanking disk...
ERROR: Cannot erase CD-RW.
ERROR: Blanking failed.

/var/log/messages gives

Jul 8 16:48:32 slick kernel: usb 3-2: new high speed USB device using ehci_hcd and address 7
Jul 8 16:48:32 slick kernel: usb 3-2: New USB device found, idVendor=04b4, idProduct=6830
Jul 8 16:48:32 slick kernel: usb 3-2: New USB device strings: Mfr=56, Product=78, SerialNumber=100
Jul 8 16:48:32 slick kernel: usb 3-2: Product: USB2.0 Storage Device
Jul 8 16:48:32 slick kernel: usb 3-2: Manufacturer: Cypress Semiconductor
Jul 8 16:48:32 slick kernel: usb 3-2: SerialNumber: 123456789012345
Jul 8 16:48:32 slick kernel: scsi7 : usb-storage 3-2:1.0
Jul 8 16:48:33 slick kernel: scsi 7:0:0:0: CD-ROM HL-DT-ST DVDRAM GSA-T40N JR03 PQ: 0 ANSI: 0
Jul 8 16:48:33 slick kernel: sr 7:0:0:0: Attached scsi generic sg2 type 5

I tried both as a user and as root, but I got the same error (I could
do it as a user before anyway).

Thanks for any hint.

--
F. Delente
From: Lusotec on
fab(a)slick.airforce-one.org wrote:
> Lusotec <nomail(a)nomail.not> wrote:
>> Without more information no. Try blanking a CD-RW using the command
>> "cdrdao blank -v 2" and post the messages here. It may helps us help you.
>
> Ok, here it is, but it's rather terse:
>
> $ cdrdao blank -v 2
> Cdrdao version 1.2.1 - (C) Andreas Mueller <andreas(a)daneb.de>
> SCSI interface library - (C) Joerg Schilling
> Paranoia DAE library - (C) Monty
>
> Check http://cdrdao.sourceforge.net/drives.html#dt for current driver
> tables.
>
> Using libscg version 'schily-0.8'
>
> /dev/cdrecorder: HL-DT-ST DVDRAM GSA-T40N Rev: JR03
> Using driver: Generic SCSI-3/MMC - Version 2.0 (options 0x0000)
>
> Blanking disk...
> ERROR: Cannot erase CD-RW.
> ERROR: Blanking failed.

Not clues there on the cause!

Try a higher verbose level (3 or higher) to see if some clue emerges.
cdrdao blank -v 3

Also try the "cdrdao drive-info" to see if the drive's capabilities are
correctly detected.

> /var/log/messages gives
>
> Jul 8 16:48:32 slick kernel: usb 3-2: new high speed USB device using
> ehci_hcd and address 7
> Jul 8 16:48:32 slick kernel: usb 3-2: New USB device found,
> idVendor=04b4, idProduct=6830
> Jul 8 16:48:32 slick kernel: usb 3-2: New USB device strings: Mfr=56,
> Product=78, SerialNumber=100
> Jul 8 16:48:32 slick kernel: usb 3-2: Product: USB2.0 Storage Device
> Jul 8 16:48:32 slick kernel: usb 3-2: Manufacturer: Cypress Semiconductor
> Jul 8 16:48:32 slick kernel: usb 3-2: SerialNumber: 123456789012345
> Jul 8 16:48:32 slick kernel: scsi7 : usb-storage 3-2:1.0
> Jul 8 16:48:33 slick kernel: scsi 7:0:0:0: CD-ROM HL-DT-ST
> DVDRAM GSA-T40N JR03 PQ: 0 ANSI: 0
> Jul 8 16:48:33 slick kernel: sr 7:0:0:0: Attached scsi generic sg2 type 5

No clues there either.

> I tried both as a user and as root, but I got the same error (I could
> do it as a user before anyway).

Not a permission problem then.

> Thanks for any hint.

Regards.

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