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For me it worked to hard reset my BIOS and configure it new by hand.

I think that i have a bad combination of bluetooth dongle and usb host Controller. I have found out when i try to use a onboard usb port, then it will not work. But when i plug the dongle into a external usb 2.0 hub, than it works fine. So this is the workaround for me.

It is, my mainboard has just USB 2.0 Ports. https://www.asus.com/us/Motherboards/P5K/ Maybe i have a general USB Problem.

Sometimes the BCM20702A0 appears in system informations after a boot and sometimes not. But mostly after a replug. This time i made sure that the BCM20702A0 was showing in the system informations, before i created the report.

sorry

Okay, i tried the following: removed kext from S/L/E rebooted reinstalled the kext with kextbeast rebooted -> Bluetooth was showing in the System Informations Settings and i was able zu receive a picture from a android mobile i was happy, shutted the system down and went to bed on the next day...

BrcmFirmwareRepo.kext and BrcmNonPatchRAM2.kext are in S/L/E. Is this wrong? Karmas-Mac-Pro:Extensions karma$ ls -la | grep Brcm drwxr-xr-x@ 3 root wheel 102 31 Aug 20:29 BrcmFirmwareRepo.kext drwxr-xr-x@ 3 root wheel 102 31 Aug 20:29 BrcmNonPatchRAM2.kext

Well, here is my problem report with all requested datas.

Hey, i have a problem with my bluetooth dongle. It seems that BrcmPatchRAM2 is loading the firmware in the Dongle, but there is a error while this process. Maybe i have a general USB Problem? What means "Failed to write to bulk pipe"? Has anyone a idea, thanks? S/L/E BrcmFirmwareRepo.kext...