[pulseaudio-tickets] [Bug 96873] tcp transport always fails: PULSE_SERVER=127.0.0.1 src/pacat, Connection failure: Connection terminated

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=96873

--- Comment #3 from Sergei Trofimovich <slyfox at inbox.ru> ---
(In reply to Tanu Kaskinen from comment #2)
> (In reply to Sergei Trofimovich from comment #0)
> > Noticed breakage on real applications like mpv and other media apps.
> > 
> > PA used to work but I'm not sure what exactly changed in my environment.
> > 
> > Currently pulseaudio over TCP is broken on the following versions:
> >     7.1, 8.0, 9.0.
> 
> To clarify, did you only test those versions, or did you also try older
> versions and they worked?

I tried only 7.1, 8.0, 9.0 on 4.7.0-rc6-00148-gee40fb2 kernel and none of them
worked. Didn't try older on this kernel.

I tried 7.1, 8.0, current git on 4.3.0 and all of them work. Didin't try older
on this kernel.

> It seems that the kernel has stopped accepting creds for IP sockets? That behaviour would make sense to me, although it might be against the "never break userspace" rule that the kernel tries to follow.

Right. Trying to setup usermode linux binary to bisect that down to kernel
commit changing tcp handling of sendmsg().

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