It's probably hardware issue. 2012년 12월 13일 목요일에 jai prakash님이 작성:
> I have been OTG port trying to merge your changes for Jellybean (from > http://android.sztupy.hu/usbhub.html and > https://github.com/sztupy/samsung-kernel-herring/). The porting was > successful but I came across this strange problem. > > When I connect the an external powered USB hub and a memory device, the > device is detected without any problem using "$ busybox lsusb". But I try > to connect a Kinect sensor to the Nexus S, only the highspeed hub inside > the Kinect device is detected, but other peripherals attached to it are not > detected. However this sensor is detected in other samsung devices like > Samsung Galaxy S2. > > In Ubuntu 10.10: > jai@jai-laptop:~$ lsusb > Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub > Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 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 001: ID 1d6b:0001 Linux Foundation 1.1 root hub > Bus 002 Device 008: ID 045e:02ae Microsoft Corp. <<detected > Bus 002 Device 007: ID 045e:02ad Microsoft Corp. <<detected > Bus 002 Device 006: ID 045e:02b0 Microsoft Corp. <<detected > Bus 002 Device 005: ID 0409:005a NEC Corp. HighSpeed Hub > <<highspeed hub inside kinect detected > Bus 002 Device 004: ID 1a40:0101 TERMINUS TECHNOLOGY INC. > <<external powered hub > Bus 002 Device 003: ID 1a40:0201 TERMINUS TECHNOLOGY INC. > <<external powered hub > Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub > Bus 001 Device 002: ID 05a9:2640 OmniVision Technologies, Inc. OV2640 > Webcam > Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub > > In android: > root@android:/ # busybox > lsusb > Bus 001 Device 001: ID 1d6b:0002 > Bus 001 Device 002: ID 1a40:0201 > Bus 001 Device 003: ID 1a40:0101 > Bus 001 Device 004: ID 0409:005a <<Highspeed hub inside kinect > detected. The other three peripherals not detected > > I get the following errors when I connect the Kinect sensor: > <7>[ 899.070098] hub 1-1.4:1.0: port 2, status 0101, change 0000, 12 Mb/s > <7>[ 899.085474] hub 1-1.4:1.0: port 2 not reset yet, waiting 10ms > <6>[ 899.186570] usb 1-1.4.2: new full speed USB device number 5 using > s3c_otghcd > <4>[ 899.187138] > splittranssplittranssplittranssplittranssplittranssplittranssplittranssplittranssplittrans > > <7>[ 899.202396] hub 1-1.4:1.0: port 2 not reset yet, waiting 10ms > <3>[ 899.273456] usb 1-1.4.2: device descriptor read/64, error -71 > > Could you please throw some insights as to why this is happening? I > couldn't find anyhing significant on googling. I am attaching the logs for > your reference. Please help me out on this. > > Thanks a lot in advance. > > With best regards, > Jai > > -- > unsubscribe: android-kernel+unsubscr...@googlegroups.com<javascript:_e({}, > 'cvml', > 'android-kernel%2bunsubscr...@googlegroups.com');> > website: http://groups.google.com/group/android-kernel -- unsubscribe: android-kernel+unsubscr...@googlegroups.com website: http://groups.google.com/group/android-kernel
