On Saturday 05 December 2009 23:51:37 Alan Stern wrote: > On Sat, 5 Dec 2009, Ed Tomlinson wrote: > > > On Saturday 05 December 2009 16:34:26 Alan Stern wrote: > > > On Sat, 5 Dec 2009, Andries E. Brouwer wrote: > > > > > > > > Andries, do you have any idea what's going on? Evidently this device > > > > > doesn't accept the protocol used by the sddr09 driver. > > > > > > > > Hi Alan, > > > > > > > > Sorry, no - I have no memory and worked on these USB drivers > > > > years ago. Forgot all details. Also my last sddr09 device broke > > > > some time ago. > > > > > > > > Looking at my old files I do not see the Vendor Id 0781, so maybe > > > > this is a device I never encountered. > > > > These old files also discuss some trickery with multi-lun devices > > > > where the driver needed depends on the lun. This is not a reader > > > > of multiple types of card? > > > > > > > > Many of my SM readers worked with either sddr09 or sddr55. > > > > Does the unusual devices section today say that such a device > > > > needs sddr09? > > > > > > > > Found a 2.6.31 source tree. Yes, > > > > > > > > UNUSUAL_DEV( 0x0781, 0x0200, 0x0000, 0x9999, > > > > "Sandisk", > > > > "ImageMate SDDR-09", > > > > US_SC_SCSI, US_PR_EUSB_SDDR09, usb_stor_sddr09_init, > > > > 0), > > > > > > > > Is it known who added this? Is 0208 in the interval of known devices > > > > for which sddr09 works? > > > > > > The entry was added before 2.5.0 (more than 7 years ago), and I can't > > > tell who added it. And the entry doesn't say anything about DPCM > > > (multiple-LUN trickery). > > > > > > Ed, it looks like you're out of luck. Unless you can figure out the > > > vendor-specific protocol used by that device, and modify the sddr09 > > > driver to support it, you won't be able to use the device under Linux. > > > > > > Or am I completely off base? Did it used to work with an earlier > > > kernel? If it did, can you get a usbmon trace of it? > > > > This is a regression. The device works fine in 2.6.31 something > > in .32 breaks it. > > Okay, that's new information. Can you post a usbmon trace from 2.6.31? Alan/Andries, I rebooted as far back as .29. I still get the resets. Looks like the HW is at fault with the faults starting when I booted .32 (guess Murphy wanted some fun). In any case, looks like there is not much more than can be (or needs to be) done here. Thanks & sorry for the noise, Ed -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
