Hi, While working with User Channel I've noticed that it is not possible to bind to it from 'Index Added' callback. Returned error was EBUSY which indicates that device is powered on (although mgmt settings show not powered). The root cause is HCI_AUTO_OFF which keeps transport powered for seconds after device is plugged. I'm not quite sure how to fix this properly in kernel. Attached is an initial version of tester that shows the bug (first test). Userspace can workaournd the problem by toggling power on/off before opening user channel (third test) or simply waiting >2 seconds before opening it. Comments are welcome. Szymon Janc (1): tools: Add initial User Channel tester .gitignore | 1 + Makefile.tools | 11 +- tools/userchannel-tester.c | 333 +++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 344 insertions(+), 1 deletion(-) create mode 100644 tools/userchannel-tester.c -- 1.9.3 -- To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
