Re: USB Bluetooth dongle stop response with timeout error

2018-10-30 Thread Morikazu Fumita
On 30/10/2018 5:15 PM, Oliver Neukum wrote: On Sa, 2018-10-27 at 22:56 +0800, Morikazu Fumita wrote: I always found error messages of "Bluetooth: hci0: command 0x0406 tx timeout" and The problem is likely shortly before that. "dwc2 ffb4.usb: --Host Channel x Interrupt

USB Bluetooth dongle stop response with timeout error

2018-10-27 Thread Morikazu Fumita
Hello there, I am working on an embedded system with Altera Cyclone V SoC FPGA to support Bluetooth PAN profile (NAP service) using an USB Bluetooth dongle. The problem is the dongle seems to stop or get unstable responding to the Bluetooth sub system sometimes. For example, "bluetoothctl"

Re: USB Bluetooth dongle stop response with timeout error

2018-11-06 Thread Morikazu Fumita
On 31/10/2018 4:49 PM, Oliver Neukum wrote: On Mi, 2018-10-31 at 12:32 +0800, Morikazu Fumita wrote: My test procedure is below (assuming Bluetooth devices are already paired). 1. Adding a network bridge for PAN using "brctl". 2. Link the bridge up. 3. Run "hciconfig hci0 up&qu

Re: USB Bluetooth dongle stop response with timeout error

2018-11-08 Thread Morikazu Fumita
Hello Oliver, Thank you for the reply again. On 8/11/2018 6:30 PM, Oliver Neukum wrote: > On Mi, 2018-11-07 at 13:20 +0800, Morikazu Fumita wrote: > > Hi, > >> Hello Oliver, >> >> I got rid of the network bridge but the timeout error still happens so I >> c