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From: bugzilla-daemon@bugzilla.kernel.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 86351] HDMI audio garbled output on Radeon R9 280X
Date: Fri, 24 Mar 2017 11:22:01 +0000	[thread overview]
Message-ID: <bug-86351-2300-2IV0vEiL51@https.bugzilla.kernel.org/> (raw)
In-Reply-To: <bug-86351-2300@https.bugzilla.kernel.org/>

https://bugzilla.kernel.org/show_bug.cgi?id=86351

--- Comment #28 from Andy Furniss (adf.lists@gmail.com) ---
Yea, I fount that you need io load, I use mprime - but not the test that just
stresses cpu...

Of course using pulse, as most people do, avoids the bug as it uses sound
different from alsa.

TODO - try and get jack to recreate what pulse does.

This is alsa -

andy@andy-desktop:~$ cat /proc/asound/card1/pcm3p/sub0/hw_params 
access: RW_INTERLEAVED
format: S16_LE
subformat: STD
channels: 2
rate: 44100 (44100/1)
period_size: 480
buffer_size: 11040

and pulse (well I didn't actually install pulse on my main LFS setup - but
tested with a ubuntu boot - so maybe there are other differences).

access: MMAP_INTERLEAVED
format: S16_LE
subformat: STD
channels: 2
rate: 44100 (44100/1)
period_size: 8192
buffer_size: 16384

I never had any luck playing with period/buffer size so I assume (possibly
falsely) that the different access method is relevant.

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  parent reply	other threads:[~2017-03-24 11:22 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-10-15 19:22 [Bug 86351] New: HDMI audio garbled output on Radeon R9 280X bugzilla-daemon
2014-10-15 19:22 ` [Bug 86351] " bugzilla-daemon
2014-10-15 19:23 ` bugzilla-daemon
2015-01-11 11:53 ` bugzilla-daemon
2015-01-11 12:20 ` bugzilla-daemon
2015-01-12 21:51 ` bugzilla-daemon
2015-01-13 16:18 ` bugzilla-daemon
2015-01-13 16:23 ` bugzilla-daemon
2015-01-13 16:41 ` bugzilla-daemon
2015-01-13 17:42 ` bugzilla-daemon
2015-07-04 22:31 ` bugzilla-daemon
2015-07-04 22:31 ` bugzilla-daemon
2015-07-06  2:58 ` bugzilla-daemon
2015-07-06  5:29 ` bugzilla-daemon
2015-07-10 22:10 ` bugzilla-daemon
2015-07-13  5:47 ` bugzilla-daemon
2015-08-26 19:19 ` bugzilla-daemon
2015-08-26 22:00 ` bugzilla-daemon
2015-09-15 15:19 ` bugzilla-daemon
2015-11-21 11:08 ` bugzilla-daemon
2016-01-30 22:31 ` bugzilla-daemon
2016-03-23 19:17 ` bugzilla-daemon
2016-03-23 19:58 ` bugzilla-daemon
2016-03-23 22:18 ` bugzilla-daemon
2016-03-28 21:36 ` bugzilla-daemon
2016-04-27 18:45 ` bugzilla-daemon
2017-03-24  0:56 ` bugzilla-daemon
2017-03-24 10:37 ` bugzilla-daemon
2017-03-24 11:22 ` bugzilla-daemon [this message]
2017-03-25 13:22 ` bugzilla-daemon
2018-01-23 18:05 ` bugzilla-daemon
2018-05-18 18:16 ` bugzilla-daemon
2018-05-31  7:09 ` bugzilla-daemon
2018-05-31 17:31 ` bugzilla-daemon
2019-03-23  8:27 ` bugzilla-daemon
2019-03-23 19:20 ` bugzilla-daemon

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