On Wed August 10 2005 13:58, Mark K. Kim wrote: > > Richard Harke wrote: > > > My wife has an external USB DVD reader/writer which I > > > thought I'd try. I get some lines in dmesg when I power it up > > > but I can't find it with dvdrecord -scanbus > > > I have an ATAPI CD burner which works fine. I suspect that its > > > presence may interfere with the USB model. I've googled until > > > I'm google-eyed. I found one persons remark that he had it > > > working fine now, the hard part was determining the /dev > > > to use. He didn't say what worked, however. > > [snip] > > Whenever I get a new USB device that doesn't work right away, I do this: > > As root, `tail /var/log/messages`, unplug the USB, wait about 5 seconds, > replug the USB, then `tail /var/log/messages` again. It should say > *something* about the device. > > If the log says the device is recognized, you just gotta figure out how to > access the device. If it says the device is "not claimed by any active > driver" and there's no "usb.agent ... loaded successfully" message right > below it, then you need a driver. You can try google search on the > message in /var/log/messages to see if anyone else is using the product > and having problems. The vend/prod number in /var/log/messages is > especially important, as it need to be recognized before the USB drivers > can do anything with it. > > -Mark This is what I get /var/log/messages
Aug 7 22:00:35 clifford kernel: Initializing USB Mass Storage driver... Aug 7 22:00:35 clifford kernel: usbcore: registered new driver usb-storage Aug 7 22:00:35 clifford kernel: USB Mass Storage support registered. Aug 7 22:01:41 clifford kernel: usb 5-7: new high speed USB device using ehci_h cd and address 13 Aug 7 22:01:41 clifford kernel: usb 5-7: Product: USB 2.0 Storage Adaptor Aug 7 22:01:41 clifford kernel: usb 5-7: Manufacturer: DMI Aug 7 22:01:41 clifford kernel: usb 5-7: SerialNumber: 0B0201420777F302 Aug 7 22:01:42 clifford kernel: ub: sizeof ub_scsi_cmd 64 ub_dev 2504 Aug 7 22:01:44 clifford kernel: uba: device 13 capacity nsec 0 bsize 512 Aug 7 22:01:44 clifford kernel: usbcore: registered new driver ub Aug 7 22:01:44 clifford usb.agent[23477]: ub: loaded successfully From reading comments in the driver source modules, it appears that usb-storage is correct. But I don't know about ub It seems like the top level should be sg In any case doing dvdrecord -scanbus comes up empty. Richard _______________________________________________ vox-tech mailing list [email protected] http://lists.lugod.org/mailman/listinfo/vox-tech
