Bug#979180: twinkle: Cannot open ALSA driver ...

[ael]

Package: twinkle
Version: 1:1.10.2+dfsg-1
Severity: normal

When twinkle starts it is unable to access the ALSA devices:

-------------------------------------------------------------------------
Critical: Cannot open ALSA driver for PCM playback: Device or resource busy

Sun 21:07:45
Critical: Cannot open ALSA driver for PCM playback: Device or resource busy

Sun 21:07:45
Critical: Cannot open ALSA driver for PCM playback: Device or resource busy
---------------------------------------------------------------------------

Linphone and other sound applications have no such problem. And no, I
was not running linphone at the same time.

I am very rusty on ALSA, so have not done any diagnostics so far.
alsa-info did not seem to include anything useful.
aplay -l gave:
**** List of PLAYBACK Hardware Devices ****
card 0: PCH_1 [HDA Intel PCH], device 0: ALC269VB Analog [ALC269VB Analog]
  Subdevices: 0/1
  Subdevice #0: subdevice #0
card 1: PCH [HDA Intel HDMI], device 3: HDMI 0 [HDMI 0]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 1: PCH [HDA Intel HDMI], device 7: HDMI 1 [HDMI 1]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 1: PCH [HDA Intel HDMI], device 8: HDMI 2 [HDMI 2]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 1: PCH [HDA Intel HDMI], device 9: HDMI 3 [HDMI 3]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 1: PCH [HDA Intel HDMI], device 10: HDMI 4 [HDMI 4]
  Subdevices: 1/1
  Subdevice #0: subdevice #0

And it is card 0: that I am using.

The twinkle audio settings take the form:
Alsa: plughw: 0,0: HDA Intel PCH (ALC269VB Analog...

(I did leave a very brief comment on the twinkle github.)

-- System Information:
Debian Release: bullseye/sid
  APT prefers testing-debug
  APT policy: (500, 'testing-debug'), (500, 'testing')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 5.9.0-5-amd64 (SMP w/8 CPU threads)
Locale: LANG=en_GB.UTF-8, LC_CTYPE=en_GB.UTF-8 (charmap=UTF-8), LANGUAGE=en_GB:en
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages twinkle depends on:
ii  libasound2           1.2.4-1
ii  libc6                2.31-6
ii  libccrtp2v5          2.0.9-2.3
ii  libgcc-s1            10.2.1-3
ii  libgsm1              1.0.18-2
ii  libmagic1            1:5.39-3
ii  libqt5core5a         5.15.2+dfsg-2
ii  libqt5gui5           5.15.2+dfsg-2
ii  libqt5qml5           5.15.2+dfsg-2
ii  libqt5quick5-gles    5.15.2+dfsg-2
ii  libqt5widgets5       5.15.2+dfsg-2
ii  libreadline8         8.1-1
ii  libsndfile1          1.0.28-8
ii  libspeex1            1.2~rc1.2-1.1
ii  libspeexdsp1         1.2~rc1.2-1.1
ii  libstdc++6           10.2.1-3
ii  libucommon8          7.0.0-16
ii  libxml2              2.9.10+dfsg-6.3+b1
ii  qml-module-qtquick2  5.15.2+dfsg-2
ii  twinkle-common       1:1.10.2+dfsg-1

twinkle recommends no packages.

twinkle suggests no packages.

-- no debconf information