[pulseaudio-discuss] [PATCH] bluez: Don't autodetect MTU by default

[Arun Raghavan]

On Wed, 13 Sep 2017, at 01:56 PM, Maxim Mosechuk wrote:
> В Ср, 13/09/2017 в 07:33 +0200, Georg Chini пишет:
> > On 13.09.2017 07:01, Arun Raghavan wrote:
> > > On Wed, 13 Sep 2017, at 09:56 AM, Georg Chini wrote:
> > > > On 13.09.2017 05:54, Arun Raghavan wrote:
> > > > > This breaks a lot of headsets, so disabling by default. Can be
> > > > > re-enabled in configuration for specific hardware where it is
> > > > > deemed
> > > > > necessary.
> > > > > 
> > > > > Also added some debug logging to be able to examine what MTU
> > > > > size is
> > > > > reported by the device.
> > > > > 
> > > > > BugLink: https://bugs.freedesktop.org/show_bug.cgi?id=102660
> > > > > ---
> > > > 
> > > > I think the patch should also address the crash that occurs when
> > > > the MTU reported by the kernel is odd. I am not sure what to do
> > > > in that case: Round down to an even value (which does not seem
> > > > to produce sound) or fall back to 48.
> > > 
> > > I missed that -- can you link me to the mail/big that you are
> > > referring
> > > to?
> > > 
> > > -- Arun
> > 
> > https://lists.freedesktop.org/archives/pulseaudio-discuss/2017-Septem
> > ber/028691.html
> > 
> > The kernel reports an MTU of 183, that makes PA crash with
> > sink.c:1380 "pa_assert(pa_frame_aligned(length, &s->sample_spec));"
> > 
> > _______________________________________________
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> > pulseaudio-discuss at lists.freedesktop.org
> > https://lists.freedesktop.org/mailman/listinfo/pulseaudio-discuss
> 
> Yes. Week of crashes. Archlinux start use pulse v11.
> My headset work fine only with 48 mtu.

My other patch will first disable the automatic querying of the MTU by
default, so that will fix this kind of problem (where the reported MTU
doesn't actually work).

-- Arun