On Wed, 11 May 2016, Stephen Furner wrote: > The kernel is: 3.19.0-59-generic > > Listing the USB devices I see: > > stephen@stephen-N150P:~$ lsusb > Bus 001 Device 004: ID 0ac8:c33f Z-Star Microelectronics Corp. Webcam > Bus 001 Device 003: ID 0781:5567 SanDisk Corp. Cruzer Blade > Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub > Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub > Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub > Bus 003 Device 002: ID 0a5c:219c Broadcom Corp. > Bus 003 Device 003: ID 091e:0003 Garmin International GPS (various models) > Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub > Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub > > The catalogue output from the usb debug is: ... > T: Bus=03 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 3 Spd=12 MxCh= 0 > D: Ver= 1.10 Cls=ff(vend.) Sub=ff Prot=ff MxPS= 8 #Cfgs= 1 > P: Vendor=091e ProdID=0003 Rev= 0.01 > C:* #Ifs= 1 Cfg#= 1 Atr=c0 MxPwr= 0mA > I:* If#= 0 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=ff Driver=(none) > E: Ad=81(I) Atr=03(Int.) MxPS= 64 Ivl=1ms > E: Ad=02(O) Atr=02(Bulk) MxPS= 64 Ivl=0ms > E: Ad=83(I) Atr=02(Bulk) MxPS= 8 Ivl=0ms ... That doesn't say very much, but at least it proves that no other driver has claimed the interface. The next thing you can try is to run the Gebabbel program under strace and send the output to a file. That should tell us exactly what Gebabbel is trying unsuccessfully to do. Alan Stern -- 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
