libusb_open() returns LIBUSB_ERROR_NO_MEM
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Description
```
What steps will reproduce the problem?
I have build gingerbread 2.3 for xm beagle board. In init.rc i mentioned to
mount usbfs. But when i try to open usb it returns LIBUSB_ERROR_NO_MEM on
libusb_open().
But when i give write permission to all /dev/bus/usb/001/ it eorks fine. Why
this occurs?
What is the expected output? What do you see instead?
What version of the product are you using? On what operating system?
Gingerbread 2.3
Ubuntu 10.04
Kernel = 2.6.32
Please provide any additional information below.
```
Original issue reported on code.google.com by `unni.sre...@gmail.com` on 28 Jul 2011 at 5:55
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Research direction
Start by reviewing init.rc and the permissions on /dev/bus/usb/001/, then reproduce libusb_open() on the stated Gingerbread, Ubuntu 10.04, and 2.6.32 kernel environment. Compare the result with the behavior after granting write permission and determine what configuration or permission difference explains LIBUSB_ERROR_NO_MEM.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- android, c, linux
- Domain
- embedded-iot, operating-systems
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 25/100