Return-Path: From: Szymon Janc To: "Gabriel A. Zorrilla" Cc: linux-bluetooth@vger.kernel.org Subject: Re: lescan stops after 10-15 minutes (bluez 5.48) Date: Tue, 30 Jan 2018 08:22:02 +0100 Message-ID: <4613542.BahWgUgcc4@ix> In-Reply-To: References: <5325267.NxmNQnImGX@ix> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Sender: linux-bluetooth-owner@vger.kernel.org List-ID: Hi, On Monday, 29 January 2018 14:16:30 CET Gabriel A. Zorrilla wrote: > Hi Symon, > > This started because some Node-Red detect BLE devices but after a few > minutes they stop getting input. Then started to diagnose BLE with > hcitools and the outcome was the same so started to believe a kernel > or controller issue. > > If there is an example of how this API works i'll be charmed to test it. You can check test-discovery under test/ folder in bluez tree. (And please don't top-post:) > On Mon, Jan 29, 2018 at 6:16 AM, Szymon Janc wrote: > > Hi Gabriel, > > > > On Sunday, 28 January 2018 20:22:47 CET Gabriel A. Zorrilla wrote: > >> Hello there. I'm really desperate here. I'm trying to work with BLE in > >> my Pi3. When i do: > >> > >> sudo hcitools lescan (with or without -duplicates) the Pi scans > >> normally then stops after about 10-15 minutes. > >> > >> Here I made some btmon dumps: > >> without duplicates: http://termbin.com/ox3z > >> with duplicates: http://termbin.com/6nnn > >> > >> * Pi3 > >> * Raspbian with 4.9.66-v7+ kernel. > >> * Embedded bluetooth. > >> * Compilled bluez 5.48 > >> > >> Don't know what extra info you would need to diagnose this. Perhaps > >> it's a common bug in the Pi3 Raspbian distro, but cant find > >> information about this on the web. Been googling for a week. > >> > >> I really want to make this work, so dont hesitate in asking me some > >> tests and such. > >> > >> Thanks and regards, > > > > You don't want to mix using HCI directly and bluetoothd. Bluetoothd will > > interfere with you accessing controller and this is most likely what you > > are seeing. > > > > Is there a reason for you to use hcitool lescan instead of D-Bus APIs? > > > > -- > > pozdrawiam > > Szymon Janc > > > > > > -- > > To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" > > in the body of a message to majordomo@vger.kernel.org > > More majordomo info at http://vger.kernel.org/majordomo-info.html -- pozdrawiam Szymon Janc