From: Tanu Kaskinen <tanuk@iki.fi>
To: General PulseAudio Discussion <pulseaudio-discuss@lists.freedesktop.org>
Cc: alsa-devel@alsa-project.org
Subject: Re: pulseaudio crash when unplugging hdmi while playing audio over hdmi on Cherry Trail devices
Date: Fri, 15 Dec 2017 05:23:47 +0200 [thread overview]
Message-ID: <1513308227.7643.47.camel@iki.fi> (raw)
In-Reply-To: <3e43fd0f-440e-ad1a-259e-bb4c0a5b5473@redhat.com>
On Tue, 2017-12-12 at 11:39 +0100, Hans de Goede wrote:
> Hi All,
>
> First of all good news, with kernel 4.15-rc2 and alsa-lib 1.1.5
> audio over hdmi works on Cherry Trail devices after selecting
> the right output profile.
>
> But when unplugging the hdmi cable pa dies. Running pa under
> gdb says it gets killed with SIGKILL, so I think this is
> another realtime issue where it gets killed by the kernel for
> exceeding its CPU budget.
>
> I've a log file of a run which ends with SIGKILL here:
> https://fedorapeople.org/~jwrdegoede/pulseaudio-cht-hdmi.log
>
> What stands out is a whole lot of errors / underruns after:
> D: [pulseaudio] module-alsa-card.c: Jack 'HDMI/DP,pcm=1 Jack' is now unplugged
> D: [pulseaudio] device-port.c: Setting port hdmi-output-1 to status no
>
> So it seems that the problem is that pa still tries to use
> the device after the unplug, even though it sees the unplug
> before getting any errors.
PA keeps using the device, because the card has no better ports
available. I think it would be good to switch to the off profile in
this situation, but I think it would be more beneficial to finally fix
that infinite loop. I'll try to make a patch for that.
--
Tanu
https://www.patreon.com/tanuk
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next prev parent reply other threads:[~2017-12-15 3:23 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-12-12 10:39 pulseaudio crash when unplugging hdmi while playing audio over hdmi on Cherry Trail devices Hans de Goede
2017-12-15 3:23 ` Tanu Kaskinen [this message]
2017-12-28 10:24 ` Tanu Kaskinen
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