[pulseaudio-tickets] [Bug 92141] Connection failure: Protocol error

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=92141

Tanu Kaskinen <tanuk at iki.fi> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |REOPENED
             Blocks|                            |91504
         Resolution|NOTOURBUG                   |---

--- Comment #21 from Tanu Kaskinen <tanuk at iki.fi> ---
Reopening. I believe this is a PulseAudio bug after all. If a client runs in a
sandbox that creates a new pid namespace, pa_shm_cleanup() will remove all shm
files, because kill() fails with ESRCH. (I don't actually have empirical proof,
but it seems obvious that this will happen.)

I don't know yet how (and if) this can be fixed. memfd support will help, but I
think the traditional shm files will be in use for a long time, e.g. on
non-Linux systems. (Do non-Linux systems support pid namespaces, though?)

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