[Bug 75038] [HSW HDMI] HD Audio with 44.1 khz not working when refreshrate > 30hz

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Sat Feb 28 22:27:26 PST 2015


https://bugs.freedesktop.org/show_bug.cgi?id=75038

--- Comment #24 from Alex Shturm <alex.shturm at gmail.com> ---
(In reply to Peter Frühberger from comment #23)

> drm.debug=0xe then do the aplay commands and see what you get. Also do them
> with 30hz and see what happens. Make sure to capture them in the dmesg log.

dmesg output: http://paste.ubuntu.com/10481806/

$ aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: HDMI [HDA Intel HDMI], device 3: HDMI 0 [HDMI 0]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 0: HDMI [HDA Intel HDMI], device 7: HDMI 1 [HDMI 1]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 1: PCH [HDA Intel PCH], device 0: ALC283 Analog [ALC283 Analog]
  Subdevices: 1/1
  Subdevice #0: subdevice #0

As I said before, I observe no changes with this patch:
speaker-test -D plughw:0,3 -r 44100 -- does not work
speaker-test -D plughw:0,3 -r 48000 -- works
speaker-test -D plughw:0,3 -r 44100 -- now works

I'm kind of confused as to in what order to capture which outputs.
Please advise about exact sequence and I'mm gladly do it.

Also, let me know whether I should log into desktop (lubuntu) directly for
these tests, or let Kodi start, and then exit from it and run the tests while
being in the login screen.
(I'm opening terminal and ssh connect to NUC from another computer in all cases
anyway.)

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