> I think this may be in relation to DVD region settings, so I will try to > investigate region free-ing the DVDRW drive.. > > Mick > This did not work, the drive is now region free, and I'm still getting the bellow errors.
Sorry for not including this before: the bellow error is when trying to use anything read related on the disk. ls works, but lsdvd, mplayer, and xine, all fail with (what I assume to be) read errors. Any help would be greatly approciated.. Mick > > OK I'm back.. > > > > Now I've a more than a little out of my depth on this one. I > *had* an old > > DVD-ROM in my USB 2 case before, and after making the bellow suggested > > changes to my kernel and then I was able to read DVD movies fine.. > > > > (from http://search.luky.org/linux-kernel.2004/msg00391.html) > > > > > case DVD_READ_STRUCT: { > > > dvd_struct *s; > > > int size = sizeof(dvd_struct); > > > // if (!CDROM_CAN(CDC_DVD)) > > > // return -ENOSYS; > > > if ((s = (dvd_struct *) kmalloc(size, > > > GFP_KERNEL)) == NULL) > > > return -ENOMEM; > > > cdinfo(CD_DO_IOCTL, "entering DVD_READ_STRUCT\n"); > > and > > > case DVD_AUTH: { > > > dvd_authinfo ai; > > > // if (!CDROM_CAN(CDC_DVD)) > > > // return -ENOSYS; > > > cdinfo(CD_DO_IOCTL, "entering DVD_AUTH\n"); > > > IOCTL_IN(arg, dvd_authinfo, ai); > > > if ((ret = dvd_do_auth (cdi, &ai))) > > > > Now, however, i have made the final step and upgraded to a DVD burner > > (LITEON SOHW-812S) and I'mback where I started, I cannot read DVD > > movies any > > more.. > > > > I think this is the importand part of the debug: > > usb-storage: -- code: 0x70, key: 0x5, ASC: 0x6f, ASCQ: 0x3 > > usb-storage: Illegal Request: Read of scrambled sector without > > authentication > > > > As I still have usb-verbose debug enable in my kernel, here is > the rest of > > it just in case I'm wrong.. > > > > (a document defining MCC errors??) > > > > Here is the relavent debug.. > > usb-storage: queuecommand called > > usb-storage: *** thread awakened. > > usb-storage: Command READ_10 (10 bytes) > > usb-storage: 28 00 00 00 2d d7 00 00 02 00 > > usb-storage: Bulk Command S 0x43425355 T 0x2ca L 4096 F 128 Trg > 0 LUN 0 CL > > 10 > > usb-storage: usb_stor_bulk_transfer_buf: xfer 31 bytes > > usb-storage: Status code 0; transferred 31/31 > > usb-storage: -- transfer complete > > usb-storage: Bulk command transfer result=0 > > usb-storage: usb_stor_bulk_transfer_sglist: xfer 4096 bytes, 1 entries > > usb-storage: Status code -121; transferred 2048/4096 > > usb-storage: -- short read transfer > > usb-storage: Bulk data transfer result 0x1 > > usb-storage: Attempting to get CSW... > > usb-storage: usb_stor_bulk_transfer_buf: xfer 13 bytes > > usb-storage: Status code -32; transferred 0/13 > > usb-storage: clearing endpoint halt for pipe 0xc0040380 > > usb-storage: usb_stor_control_msg: rq=01 rqtype=02 value=0000 > > index=88 len=0 > > usb-storage: usb_stor_clear_halt: result = 0 > > usb-storage: Attempting to get CSW (2nd try)... > > usb-storage: usb_stor_bulk_transfer_buf: xfer 13 bytes > > usb-storage: Status code 0; transferred 13/13 > > usb-storage: -- transfer complete > > usb-storage: Bulk status result = 0 > > usb-storage: Bulk Status S 0x53425355 T 0x2ca R 2048 Stat 0x1 > > usb-storage: -- transport indicates command failure > > usb-storage: -- unexpectedly short transfer > > usb-storage: Issuing auto-REQUEST_SENSE > > usb-storage: Bulk Command S 0x43425355 T 0x800002ca L 18 F 128 > Trg 0 LUN 0 > > CL 6 > > usb-storage: usb_stor_bulk_transfer_buf: xfer 31 bytes > > usb-storage: Status code 0; transferred 31/31 > > usb-storage: -- transfer complete > > usb-storage: Bulk command transfer result=0 > > usb-storage: usb_stor_bulk_transfer_buf: xfer 18 bytes > > usb-storage: Status code 0; transferred 18/18 > > usb-storage: -- transfer complete > > usb-storage: Bulk data transfer result 0x0 > > usb-storage: Attempting to get CSW... > > usb-storage: usb_stor_bulk_transfer_buf: xfer 13 bytes > > usb-storage: Status code 0; transferred 13/13 > > usb-storage: -- transfer complete > > usb-storage: Bulk status result = 0 > > usb-storage: Bulk Status S 0x53425355 T 0x800002ca R 0 Stat 0x0 > > usb-storage: -- Result from auto-sense is 0 > > usb-storage: -- code: 0x70, key: 0x5, ASC: 0x6f, ASCQ: 0x3 > > usb-storage: Illegal Request: Read of scrambled sector without > > authentication > > usb-storage: scsi cmd done, result=0x2 > > usb-storage: *** thread sleeping. > > end_request: I/O error, dev sr0, sector 46940 > > Buffer I/O error on device sr0, logical block 11735 > > Buffer I/O error on device sr0, logical block 11736 > > > > Any pointers as to whats going wrong / how to fix?? > > > > Mick > > > > > > -----Original Message----- > > From: [EMAIL PROTECTED] > > [mailto:[EMAIL PROTECTED] Behalf Of Mick > > Sent: Sunday, 20 June 2004 9:12 PM > > To: Brad Campbell; [EMAIL PROTECTED] > > Subject: RE: [Linux-usb-users] USB DVD > > > > > > > Checkout these 2 excerpts from drivers/cdrom/cdrom.c. Comment out > > > the bits I have here and you will > > > be cooking with gas. > > > > > > > > > > > > > This seems to be the issue for my DVD troubles. Thanks heaps Brad (title > > 'usb troubleshooting issues). Stragnly enough xine now plays > the disks but > > mplayer still does not. I will investigate this more > > thoroughlyand post at > > a later date. > > > > Just like to say "Wow!". Very nice to note have to go tomy > > garage to change > > disks now..(is have usb from grage to HT room)Wee! > > > > Mick ------------------------------------------------------- This SF.Net email is sponsored by BEA Weblogic Workshop FREE Java Enterprise J2EE developer tools! Get your free copy of BEA WebLogic Workshop 8.1 today. http://ads.osdn.com/?ad_id=4721&alloc_id=10040&op=click _______________________________________________ [EMAIL PROTECTED] To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-users
