linux-kernel - Re: Unable to transfer big files to Nokia N9

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Date:   Wed, 1 Dec 2021 10:29:40 -0800
From:   Luiz Augusto von Dentz <luiz.dentz@...il.com>
To:     Paul Menzel <pmenzel@...gen.mpg.de>
Cc:     Marcel Holtmann <marcel@...tmann.org>,
        Johan Hedberg <johan.hedberg@...il.com>,
        "linux-bluetooth@...r.kernel.org" <linux-bluetooth@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: Unable to transfer big files to Nokia N9

Hi Paul,

On Wed, Dec 1, 2021 at 9:39 AM Paul Menzel <pmenzel@...gen.mpg.de> wrote:
>
> Dear Linux folks,
>
>
> For the first time, I wanted to transfer a 2 MB PDF file from a Dell
> Latitude E7250 with Debian sid/unstable with Linux 5.16-rc1 to a Nokia
> N9 (MeeGo/Harmattan). Using the package *bluez-obexd* 5.61-1 and GNOME
> 41, the device was found, and paired fine. Then I selected to transfer
> the 2 MB file, and after starting for a second, it timed out after the
> progress bar moves forward ones and failed.
>
> The systemd journal contains:
>
>      obexd[21139]: Transfer(0x56243fe4f790) Error: Timed out waiting for
> response
>
> Testing with a a 5 byte test text file, worked fine. Also testing with a
> Galaly M32, both files were transferred without problems (though slowly
> with 32 KB/s.)
>
> Trying to connect to the device with bluetoothctl failed for me, and the
> journal contained, it failed.
>
>      $ bluetoothctl
>      Agent registered
>      [bluetooth]# connect 40:98:4E:5B:CE:XX
>      Attempting to connect to 40:98:4E:5B:CE:XX
>      Failed to connect: org.bluez.Error.Failed
>
>      bluetoothd[21104]: src/service.c:btd_service_connect() a2dp-source
> profile connect failed for 40:98:4E:5B:CE:B3: Protocol not available
>
> As the Nokia N9 was once pretty popular in the Linux community, I am
> pretty sure, it used to work fine in the past, and there is some
> regression. It’d be great, if you could give me some hints how to
> further debug the issue.

We will need some logs, obexd and btmon, if possible.