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#1 2019-08-26 14:19:08

rvf16
Member
From: Athens, Hellas
Registered: 2009-10-01
Posts: 4

[SOLVED]Bluetooth audio choppy (Unexpected continuation frame (len 0))

Hello

After update of system on 2019-08-25, audio via Logitech BT adapter became choppy.
Sound starts choppy, continues in this manner for 10s then stabilizes for 10s and this is repeated endlessly.
Sound plays normally using the laptop's speakers or the audio out to my ear phones.

Hardware
  laptop : dell inspiron e1505
  laptop bluetooth device : Dell Wireless 350 Bluetooth module (according to internet research)
  external bluetooth receiver : Logitech Bluetooth Audio Receiver
Environment
  kernel
    5.2.8-arch1-1-ARCH
    5.2.9-arch1-1-ARCH
  kde plasma
    5.16.4-1
  bluedevil
    5.16.3-1
  pulseaudio
    12.2-2
  pulseaudio-alsa
    2-5
  bluez
    5.50-6
connection procedure
  i press button on Logitech BT Adapter, it flashes till it pairs with laptop
  in bluedevil applet i click Connect on Logitech BT Adapter record
  in systemsettings5 -> hardware -> multimedia -> sound volume -> devices i choose the Logitech BT Adapter as output
problematic sound type
  any sound from any application (mpv,vlc,chromium,plasma system sounds)
system state on problem
  temperatures normal
  cpu usage normal, no peaks
  memory usage normal
journalctl
  on BT connection
   

kdeinit5[1388]: bluedevil: AGENT-AuthorizeService "Logitech BT Adapter" Service: "0000110D-0000-1000-8000-00805F9B34FB"
kdeinit5[1388]: bluedevil: Authorization accepted: "Logitech BT Adapter" "88:C6:26:0F:35:A3"
kdeinit5[1388]: bluedevil: Accepting request
bluetoothd[555]: /org/bluez/hci0/dev_88_C6_26_0F_35_A3/fd3: fd(33) ready
rtkit-daemon[1454]: Supervising 4 threads of 2 processes of 1 users.
rtkit-daemon[1454]: Successfully made thread 27910 of process 1449 owned by '1000' RT at priority 5.
rtkit-daemon[1454]: Supervising 5 threads of 2 processes of 1 users.
systemsettings5[4313]: org.kde.plasma.pulseaudio: No object for name "alsa_output.pci-0000_00_1b.0.analog-stereo.monitor"
plasmashell[1433]: org.kde.plasma.pulseaudio: No object for name "alsa_output.pci-0000_00_1b.0.analog-stereo.monitor"
plasmashell[1433]: org.kde.plasma.pulseaudio: No object for name "bluez_sink.88_C6_26_0F_35_A3.a2dp_sink.monitor"
systemsettings5[4313]: org.kde.plasma.pulseaudio: No object for name "bluez_sink.88_C6_26_0F_35_A3.a2dp_sink.monitor"

  and countless red entries of

kernel: Bluetooth: Unexpected continuation frame (len 0)

  which start on BT connection without necessarily any sound application playing back.
     
problem start date
  2019-08-25 (update)
last system update
  2019-08-26

pacaur -Syu

pacman latest cache

2019-08-20 02:33 python2-regex-2019.08.19-1-x86_64.pkg.tar.xz
2019-08-20 02:33 python-regex-2019.08.19-1-x86_64.pkg.tar.xz
2019-08-20 03:32 whois-5.5.1-1-x86_64.pkg.tar.xz
2019-08-20 11:17 kdegraphics-mobipocket-19.08.0-1-x86_64.pkg.tar.xz
2019-08-20 11:18 libkexiv2-19.08.0-1-x86_64.pkg.tar.xz
2019-08-20 11:19 libkdcraw-19.08.0-1-x86_64.pkg.tar.xz
2019-08-20 11:19 libkipi-19.08.0-1-x86_64.pkg.tar.xz
2019-08-20 11:20 libksane-19.08.0-1-x86_64.pkg.tar.xz
2019-08-20 11:21 libkcddb-19.08.0-1-x86_64.pkg.tar.xz
2019-08-20 11:21 libkcompactdisc-19.08.0-1-x86_64.pkg.tar.xz
2019-08-20 11:23 baloo-widgets-19.08.0-1-x86_64.pkg.tar.xz
2019-08-20 11:23 kcontacts-19.08.0-1-x86_64.pkg.tar.xz
2019-08-20 11:23 kpimtextedit-19.08.0-1-x86_64.pkg.tar.xz
2019-08-20 11:24 kcalutils-19.08.0-1-x86_64.pkg.tar.xz
2019-08-20 11:24 kidentitymanagement-19.08.0-1-x86_64.pkg.tar.xz
2019-08-20 11:25 kimap-19.08.0-1-x86_64.pkg.tar.xz
2019-08-20 11:25 kldap-19.08.0-1-x86_64.pkg.tar.xz
2019-08-20 11:25 kmbox-19.08.0-1-x86_64.pkg.tar.xz
2019-08-20 11:25 kmime-19.08.0-1-x86_64.pkg.tar.xz
2019-08-20 11:26 akonadi-19.08.0-1-x86_64.pkg.tar.xz
2019-08-20 11:26 akonadi-mime-19.08.0-1-x86_64.pkg.tar.xz
2019-08-20 11:26 kontactinterface-19.08.0-1-x86_64.pkg.tar.xz
2019-08-20 11:26 ktnef-19.08.0-1-x86_64.pkg.tar.xz
2019-08-20 11:26 libakonadi-19.08.0-1-x86_64.pkg.tar.xz
2019-08-20 11:27 kmailtransport-19.08.0-1-x86_64.pkg.tar.xz
2019-08-20 11:27 ksmtp-19.08.0-1-x86_64.pkg.tar.xz
2019-08-20 11:27 libkgapi-19.08.0-1-x86_64.pkg.tar.xz
2019-08-20 11:28 akonadi-calendar-19.08.0-1-x86_64.pkg.tar.xz
2019-08-20 11:28 akonadi-contacts-19.08.0-1-x86_64.pkg.tar.xz
2019-08-20 11:28 akonadi-notes-19.08.0-1-x86_64.pkg.tar.xz
2019-08-20 11:28 akonadi-search-19.08.0-1-x86_64.pkg.tar.xz
2019-08-20 11:29 kalarmcal-19.08.0-1-x86_64.pkg.tar.xz
2019-08-20 11:29 kdav-19.08.0-1-x86_64.pkg.tar.xz
2019-08-20 11:29 libkdepim-19.08.0-1-x86_64.pkg.tar.xz
2019-08-20 11:29 pimcommon-19.08.0-1-x86_64.pkg.tar.xz
2019-08-20 11:30 grantleetheme-19.08.0-1-x86_64.pkg.tar.xz
2019-08-20 11:30 libkleo-19.08.0-1-x86_64.pkg.tar.xz
2019-08-20 11:31 calendarsupport-19.08.0-1-x86_64.pkg.tar.xz
2019-08-20 11:31 eventviews-19.08.0-1-x86_64.pkg.tar.xz
2019-08-20 11:31 incidenceeditor-19.08.0-1-x86_64.pkg.tar.xz
2019-08-20 11:31 kdepim-apps-libs-19.08.0-1-x86_64.pkg.tar.xz
2019-08-20 11:32 libgravatar-19.08.0-1-x86_64.pkg.tar.xz
2019-08-20 11:32 libksieve-19.08.0-1-x86_64.pkg.tar.xz
2019-08-20 11:32 messagelib-19.08.0-1-x86_64.pkg.tar.xz
2019-08-20 11:33 akonadi-import-wizard-19.08.0-1-x86_64.pkg.tar.xz
2019-08-20 11:33 mailcommon-19.08.0-1-x86_64.pkg.tar.xz
2019-08-20 11:33 mailimporter-19.08.0-1-x86_64.pkg.tar.xz
2019-08-20 11:34 kaccounts-integration-19.08.0-1-x86_64.pkg.tar.xz
2019-08-20 11:34 kpkpass-19.08.0-1-x86_64.pkg.tar.xz
2019-08-20 11:34 signon-kwallet-extension-19.08.0-1-x86_64.pkg.tar.xz
2019-08-20 11:37 ksystemlog-19.08.0-1-x86_64.pkg.tar.xz
2019-08-20 11:38 kdialog-19.08.0-1-x86_64.pkg.tar.xz
2019-08-20 11:38 keditbookmarks-19.08.0-1-x86_64.pkg.tar.xz
2019-08-20 11:39 khelpcenter-19.08.0-1-x86_64.pkg.tar.xz
2019-08-20 11:39 konqueror-19.08.0-1-x86_64.pkg.tar.xz
2019-08-20 11:39 konsole-19.08.0-1-x86_64.pkg.tar.xz
2019-08-20 11:57 gwenview-19.08.0-1-x86_64.pkg.tar.xz
2019-08-20 11:58 kamera-19.08.0-1-x86_64.pkg.tar.xz
2019-08-20 11:58 kcolorchooser-19.08.0-1-x86_64.pkg.tar.xz
2019-08-20 11:58 kipi-plugins-19.08.0-1-x86_64.pkg.tar.xz
2019-08-20 11:59 okular-19.08.0-1-x86_64.pkg.tar.xz
2019-08-20 12:00 audiocd-kio-19.08.0-1-x86_64.pkg.tar.xz
2019-08-20 12:00 kdegraphics-thumbnailers-19.08.0-1-x86_64.pkg.tar.xz
2019-08-20 12:00 spectacle-19.08.0-1-x86_64.pkg.tar.xz
2019-08-20 12:01 dragon-19.08.0-1-x86_64.pkg.tar.xz
2019-08-20 12:01 ffmpegthumbs-19.08.0-1-x86_64.pkg.tar.xz
2019-08-20 12:01 k3b-1:19.08.0-1-x86_64.pkg.tar.xz
2019-08-20 12:02 juk-19.08.0-1-x86_64.pkg.tar.xz
2019-08-20 12:02 kamoso-19.08.0-1-x86_64.pkg.tar.xz
2019-08-20 12:02 kmix-19.08.0-1-x86_64.pkg.tar.xz
2019-08-20 12:03 kget-19.08.0-1-x86_64.pkg.tar.xz
2019-08-20 12:03 kwave-19.08.0-1-x86_64.pkg.tar.xz
2019-08-20 12:04 kopete-19.08.0-1-x86_64.pkg.tar.xz
2019-08-20 12:05 kio-extras-19.08.0-1-x86_64.pkg.tar.xz
2019-08-20 12:07 fluidsynth-2.0.6-1-x86_64.pkg.tar.xz
2019-08-20 12:08 akregator-19.08.0-1-x86_64.pkg.tar.xz
2019-08-20 12:09 kdepim-addons-19.08.0-1-x86_64.pkg.tar.xz
2019-08-20 12:09 kleopatra-19.08.0-1-x86_64.pkg.tar.xz
2019-08-20 12:10 kmail-19.08.0-1-x86_64.pkg.tar.xz
2019-08-20 12:10 kmail-account-wizard-19.08.0-1-x86_64.pkg.tar.xz
2019-08-20 12:10 knotes-19.08.0-1-x86_64.pkg.tar.xz
2019-08-20 12:11 kontact-19.08.0-1-x86_64.pkg.tar.xz
2019-08-20 12:11 mbox-importer-19.08.0-1-x86_64.pkg.tar.xz
2019-08-20 12:11 pim-data-exporter-19.08.0-1-x86_64.pkg.tar.xz
2019-08-20 12:12 pim-sieve-editor-19.08.0-1-x86_64.pkg.tar.xz
2019-08-20 12:15 ark-19.08.0-1-x86_64.pkg.tar.xz
2019-08-20 12:16 kcalc-19.08.0-1-x86_64.pkg.tar.xz
2019-08-20 12:17 kgpg-19.08.0-1-x86_64.pkg.tar.xz
2019-08-20 12:18 kwalletmanager-19.08.0-1-x86_64.pkg.tar.xz
2019-08-20 12:18 print-manager-19.08.0-1-x86_64.pkg.tar.xz
2019-08-20 13:48 kate-19.08.0-2-x86_64.pkg.tar.xz
2019-08-20 13:48 kwrite-19.08.0-2-x86_64.pkg.tar.xz
2019-08-20 13:49 dolphin-19.08.0-2-x86_64.pkg.tar.xz
2019-08-20 13:51 kdenlive-19.08.0-2-x86_64.pkg.tar.xz
2019-08-20 14:03 kdepim-runtime-19.08.0-2-x86_64.pkg.tar.xz
2019-08-20 17:12 perl-alien-build-1.83-1-any.pkg.tar.xz
2019-08-20 19:10 libvisio-0.1.7-1-x86_64.pkg.tar.xz
2019-08-20 19:13 libabw-0.1.3-1-x86_64.pkg.tar.xz
2019-08-20 19:30 nspr-4.22-1-x86_64.pkg.tar.xz
2019-08-20 19:39 telegram-desktop-1.8.2-1-x86_64.pkg.tar.xz
2019-08-21 01:04 rubygems-3.0.6-1-any.pkg.tar.xz
2019-08-21 06:24 nodejs-12.9.0-1-x86_64.pkg.tar.xz
2019-08-21 12:08 pacman-mirrorlist-20190821-1-any.pkg.tar.xz
2019-08-21 22:12 vlc-3.0.8-1-x86_64.pkg.tar.xz
2019-08-21 23:05 mypaint-brushes-2.0.1-1-any.pkg.tar.xz
2019-08-22 00:12 vpnc-1:0.5.3.r462.r78-1-x86_64.pkg.tar.xz
2019-08-22 00:21 openconnect-1:8.04-1-x86_64.pkg.tar.xz
2019-08-22 05:31 python2-setuptools-1:41.2.0-1-any.pkg.tar.xz
2019-08-22 05:31 python-setuptools-1:41.2.0-1-any.pkg.tar.xz
2019-08-22 08:30 cups-filters-1.25.3-1-x86_64.pkg.tar.xz
2019-08-22 19:34 swig-4.0.1-1-x86_64.pkg.tar.xz
2019-08-23 10:02 poppler-0.80.0-1-x86_64.pkg.tar.xz
2019-08-23 10:02 poppler-glib-0.80.0-1-x86_64.pkg.tar.xz
2019-08-23 10:02 poppler-qt5-0.80.0-1-x86_64.pkg.tar.xz
2019-08-23 10:13 libsynctex-2019.51075-3-x86_64.pkg.tar.xz
2019-08-23 10:13 texlive-bin-2019.51075-3-x86_64.pkg.tar.xz
2019-08-23 10:27 mypaint-brushes1-1.3.0-1-any.pkg.tar.xz
2019-08-23 10:50 inkscape-0.92.4-7-x86_64.pkg.tar.xz
2019-08-23 10:51 harfbuzz-2.6.1-1-x86_64.pkg.tar.xz
2019-08-23 10:51 harfbuzz-icu-2.6.1-1-x86_64.pkg.tar.xz
2019-08-23 11:26 kitinerary-19.08.0-2-x86_64.pkg.tar.xz
2019-08-23 11:44 libreoffice-fresh-6.3.0-2-x86_64.pkg.tar.xz
2019-08-23 12:37 calligra-3.1.0-21-x86_64.pkg.tar.xz
2019-08-24 06:45 perl-error-0.17028-1-any.pkg.tar.xz
2019-08-24 06:47 ibus-1.5.21-1-x86_64.pkg.tar.xz
2019-08-24 06:47 libibus-1.5.21-1-x86_64.pkg.tar.xz
2019-08-24 14:01 gimp-2.10.12-2-x86_64.pkg.tar.xz
2019-08-24 15:31 llvm-libs-8.0.1-3-x86_64.pkg.tar.xz
2019-08-24 15:33 graphviz-2.40.1-19-x86_64.pkg.tar.xz
2019-08-24 15:45 kwayland-5.61.0-2-x86_64.pkg.tar.xz
2019-08-24 20:07 kcalcore-19.08.0-2-x86_64.pkg.tar.xz
2019-08-24 23:15 mathjax-2.7.6-1-any.pkg.tar.xz
2019-08-24 23:18 libraw-0.19.5-1-x86_64.pkg.tar.xz
2019-08-25 00:01 imagemagick-7.0.8.62-1-x86_64.pkg.tar.xz
2019-08-25 01:04 appstream-0.12.8-1-x86_64.pkg.tar.xz
2019-08-25 01:04 appstream-qt-0.12.8-1-x86_64.pkg.tar.xz
2019-08-25 01:18 gmic-2.7.0-1-x86_64.pkg.tar.xz
2019-08-25 01:18 krita-plugin-gmic-2.7.0-1-x86_64.pkg.tar.xz
2019-08-25 01:36 kdeconnect-1.3.5-2-x86_64.pkg.tar.xz
2019-08-25 11:05 archlinux-appstream-data-20190825-1-any.pkg.tar.xz
2019-08-25 21:29 srt-1.3.4-1-x86_64.pkg.tar.xz
2019-08-25 23:36 libmagick6-6.9.10.62-1-x86_64.pkg.tar.xz
2019-08-25 23:59 pulseaudio-alsa-2-5-any.pkg.tar.xz

I have an earlier copy (1-2 months old) of this system on an external usb disk partition which is working properly so hardware seems good.
I haven't changed any bluetooth,pulseaudio settings lately.
Probably latest update broke something.

Any help is welcome.
Thank you in advance.

Last edited by rvf16 (2019-08-30 13:42:30)

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#2 2019-08-29 21:47:38

rvf16
Member
From: Athens, Hellas
Registered: 2009-10-01
Posts: 4

Re: [SOLVED]Bluetooth audio choppy (Unexpected continuation frame (len 0))

After full update of system on 2019-08-30 (5.2.10-arch1-1-ARCH), audio via Logitech BT adapter is completely gone.

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#3 2019-08-30 13:45:12

rvf16
Member
From: Athens, Hellas
Registered: 2009-10-01
Posts: 4

Re: [SOLVED]Bluetooth audio choppy (Unexpected continuation frame (len 0))

After full update of system on 2019-08-30 16:00:00 (5.2.11-arch1-1-ARCH), audio via bluetooth device is working properly.
Thanks to the developers for fixing this.
Regards

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