Bug#928178: marked as done (/etc/apparmor.d/usr.bin.thunderbird: thunderbird fails to start, saying that is already running)

Mon, 22 Jun 2026 13:45:43 -0700 

Your message dated Mon, 22 Jun 2026 20:43:26 +0000
with message-id <[email protected]>
and subject line Bug#928178: fixed in thunderbird 1:152.0-1
has caused the Debian Bug report #928178,
regarding /etc/apparmor.d/usr.bin.thunderbird: thunderbird fails to start, 
saying that is already running
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

(NB: If you are a system administrator and have no idea what this
message is talking about, this may indicate a serious mail system
misconfiguration somewhere. Please contact [email protected]
immediately.)


-- 
928178: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=928178
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message --- 
Package: thunderbird
Version: 1:60.6.1-1~deb9u1
Severity: grave
Tags: d-i
Justification: renders package unusable

Dear Maintainer,
after recently updates thunderbird fails to start with the message:
"Thunderbird is already running, but is not responding. To open a new window,
you must first close the existing Thunderbird process, or restart your system."

In /var/log/syslog I can find:
Apr 29 12:06:40 psala-lx2 kernel: [ 5131.606429] audit: type=1400
audit(1556532400.993:264): apparmor="DENIED" operation="file_lock"
profile="thunderbird"
name="/home/DOMINIOCSA/psala/.thunderbird/5p9oab1n.default/.parentlock"
pid=4393 comm="thunderbird" requested_mask="k" denied_mask="k" fsuid=21046
ouid=21046
Apr 29 12:06:41 psala-lx2 kernel: [ 5131.707820] audit: type=1400
audit(1556532401.093:265): apparmor="DENIED" operation="file_lock"
profile="thunderbird"
name="/home/DOMINIOCSA/psala/.thunderbird/5p9oab1n.default/.parentlock"
pid=4393 comm="thunderbird" requested_mask="k" denied_mask="k" fsuid=21046
ouid=21046
Apr 29 12:06:41 psala-lx2 kernel: [ 5131.808901] audit: type=1400
audit(1556532401.197:266): apparmor="DENIED" operation="file_lock"
profile="thunderbird"
name="/home/DOMINIOCSA/psala/.thunderbird/5p9oab1n.default/.parentlock"
pid=4393 comm="thunderbird" requested_mask="k" denied_mask="k" fsuid=21046
ouid=21046
Apr 29 12:06:41 psala-lx2 kernel: [ 5131.909833] audit: type=1400
audit(1556532401.297:267): apparmor="DENIED" operation="file_lock"
profile="thunderbird"
name="/home/DOMINIOCSA/psala/.thunderbird/5p9oab1n.default/.parentlock"
pid=4393 comm="thunderbird" requested_mask="k" denied_mask="k" fsuid=21046
ouid=21046
Apr 29 12:06:41 psala-lx2 kernel: [ 5132.010927] audit: type=1400
audit(1556532401.397:268): apparmor="DENIED" operation="file_lock"
profile="thunderbird"
name="/home/DOMINIOCSA/psala/.thunderbird/5p9oab1n.default/.parentlock"
pid=4393 comm="thunderbird" requested_mask="k" denied_mask="k" fsuid=21046
ouid=21046
Apr 29 12:06:41 psala-lx2 kernel: [ 5132.111760] audit: type=1400
audit(1556532401.497:269): apparmor="DENIED" operation="file_lock"
profile="thunderbird"
name="/home/DOMINIOCSA/psala/.thunderbird/5p9oab1n.default/.parentlock"
pid=4393 comm="thunderbird" requested_mask="k" denied_mask="k" fsuid=21046
ouid=21046
Apr 29 12:06:41 psala-lx2 kernel: [ 5132.212797] audit: type=1400
audit(1556532401.601:270): apparmor="DENIED" operation="file_lock"
profile="thunderbird"
name="/home/DOMINIOCSA/psala/.thunderbird/5p9oab1n.default/.parentlock"
pid=4393 comm="thunderbird" requested_mask="k" denied_mask="k" fsuid=21046
ouid=21046
Apr 29 12:06:41 psala-lx2 kernel: [ 5132.313764] audit: type=1400
audit(1556532401.701:271): apparmor="DENIED" operation="file_lock"
profile="thunderbird"
name="/home/DOMINIOCSA/psala/.thunderbird/5p9oab1n.default/.parentlock"
pid=4393 comm="thunderbird" requested_mask="k" denied_mask="k" fsuid=21046
ouid=21046
Apr 29 12:06:41 psala-lx2 kernel: [ 5132.414863] audit: type=1400
audit(1556532401.801:272): apparmor="DENIED" operation="file_lock"
profile="thunderbird"
name="/home/DOMINIOCSA/psala/.thunderbird/5p9oab1n.default/.parentlock"
pid=4393 comm="thunderbird" requested_mask="k" denied_mask="k" fsuid=21046
ouid=21046
Apr 29 12:06:41 psala-lx2 kernel: [ 5132.515785] audit: type=1400
audit(1556532401.901:273): apparmor="DENIED" operation="file_lock"
profile="thunderbird"
name="/home/DOMINIOCSA/psala/.thunderbird/5p9oab1n.default/.parentlock"
pid=4393 comm="thunderbird" requested_mask="k" denied_mask="k" fsuid=21046
ouid=21046
Apr 29 12:06:46 psala-lx2 kernel: [ 5136.710721] kauditd_printk_skb: 40
callbacks suppressed
Apr 29 12:06:46 psala-lx2 kernel: [ 5136.710726] audit: type=1400
audit(1556532406.097:314): apparmor="DENIED" operation="open"
profile="thunderbird" name="/etc/ld.so.conf" pid=4393 comm="thunderbird"
requested_mask="r" denied_mask="r" fsuid=21046 ouid=0

If I disable apparmor for thunderbird (aa-disable
/etc/apparmor.d/usr.bin.thunderbird) the problem seems to be solved.

I don't know which update cause this problem any way these are the packages I
have last updated:
Commandline: packagekit role='update-packages'
Install: firebird3.0-server-core:amd64 (3.0.1.32609.ds4-14, automatic), linux-
headers-4.19.0-0.bpo.4-amd64:amd64 (4.19.28-2~bpo9+1, automatic),
libtommath1:amd64 (1.0-4, automatic), linux-image-4.19.0-0.bpo.4-amd64:amd64
(4.19.28-2~bpo9+1, automatic), libfbclient2:amd64 (3.0.1.32609.ds4-14,
automatic), libreoffice-sdbc-firebird:amd64 (1:6.1.5-3~bpo9+1, automatic),
libreoffice-style-elementary:amd64 (1:6.1.5-3~bpo9+1, automatic), libreoffice-
help-common:amd64 (1:6.1.5-3~bpo9+1, automatic), linux-
headers-4.19.0-0.bpo.4-common:amd64 (4.19.28-2~bpo9+1, automatic), libreoffice-
style-colibre:amd64 (1:6.1.5-3~bpo9+1, automatic), libboost-locale1.62.0:amd64
(1.62.0+dfsg-4, automatic), libib-util:amd64 (3.0.1.32609.ds4-14, automatic),
linux-kbuild-4.19:amd64 (4.19.28-2~bpo9+1, automatic), firebird3.0-common-
doc:amd64 (3.0.1.32609.ds4-14, automatic), firebird3.0-common:amd64
(3.0.1.32609.ds4-14, automatic), fonts-liberation2:amd64 (2.00.1-3, automatic),
python-asn1crypto:amd64 (0.24.0-1~bpo9+1, automatic)
Upgrade: gir1.2-lokdocview-0.1:amd64 (1:5.2.7-1+deb9u7, 1:6.1.5-3~bpo9+1),
libreoffice-wiki-publisher:amd64 (1.2.0+LibO5.2.7-1+deb9u7,
1.2.0+LibO6.1.5-3~bpo9+1), libreoffice-math:amd64 (1:5.2.7-1+deb9u7,
1:6.1.5-3~bpo9+1), libreoffice-script-provider-js:amd64 (1:5.2.7-1+deb9u7,
1:6.1.5-3~bpo9+1), libreoffice-report-builder-bin:amd64 (1:5.2.7-1+deb9u7,
1:6.1.5-3~bpo9+1), libreoffice-sdbc-postgresql:amd64 (1:5.2.7-1+deb9u7,
1:6.1.5-3~bpo9+1), linux-libc-dev:amd64 (4.9.168-1, 4.19.28-2~bpo9+1),
libreofficekit-data:amd64 (1:5.2.7-1+deb9u7, 1:6.1.5-3~bpo9+1), libreoffice-
gtk3:amd64 (1:5.2.7-1+deb9u7, 1:6.1.5-3~bpo9+1), libreoffice-java-common:amd64
(1:5.2.7-1+deb9u7, 1:6.1.5-3~bpo9+1), libreoffice-base:amd64 (1:5.2.7-1+deb9u7,
1:6.1.5-3~bpo9+1), libreoffice-core:amd64 (1:5.2.7-1+deb9u7, 1:6.1.5-3~bpo9+1),
liblibreofficekitgtk:amd64 (1:5.2.7-1+deb9u7, 1:6.1.5-3~bpo9+1),
libreoffice-l10n-it:amd64 (1:5.2.7-1+deb9u7, 1:6.1.5-3~bpo9+1), linux-compiler-
gcc-6-x86:amd64 (4.9.168-1, 4.19.28-2~bpo9+1), libreoffice-librelogo:amd64
(1:5.2.7-1+deb9u7, 1:6.1.5-3~bpo9+1), python3-uno:amd64 (1:5.2.7-1+deb9u7,
1:6.1.5-3~bpo9+1), libreoffice-script-provider-python:amd64 (1:5.2.7-1+deb9u7,
1:6.1.5-3~bpo9+1), libreoffice-base-core:amd64 (1:5.2.7-1+deb9u7,
1:6.1.5-3~bpo9+1), python-cryptography:amd64 (1.7.1-3+deb9u1, 2.3-1~bpo9+1),
libreoffice-ogltrans:amd64 (1:5.2.7-1+deb9u7, 1:6.1.5-3~bpo9+1), libreoffice-
impress:amd64 (1:5.2.7-1+deb9u7, 1:6.1.5-3~bpo9+1), libreoffice-evolution:amd64
(1:5.2.7-1+deb9u7, 1:6.1.5-3~bpo9+1), linux-image-amd64:amd64 (4.9+80+deb9u7,
4.19+104~bpo9+1), ure:amd64 (5.2.7-1+deb9u7, 6.1.5-3~bpo9+1), libreoffice-sdbc-
hsqldb:amd64 (1:5.2.7-1+deb9u7, 1:6.1.5-3~bpo9+1), libreoffice-writer:amd64
(1:5.2.7-1+deb9u7, 1:6.1.5-3~bpo9+1), libreoffice-common:amd64
(1:5.2.7-1+deb9u7, 1:6.1.5-3~bpo9+1), linux-headers-amd64:amd64 (4.9+80+deb9u7,
4.19+104~bpo9+1), libreoffice-script-provider-bsh:amd64 (1:5.2.7-1+deb9u7,
1:6.1.5-3~bpo9+1), libreoffice-nlpsolver:amd64 (0.9+LibO5.2.7-1+deb9u7,
0.9+LibO6.1.5-3~bpo9+1), libreoffice:amd64 (1:5.2.7-1+deb9u7,
1:6.1.5-3~bpo9+1), fonts-opensymbol:amd64 (2:102.7+LibO5.2.7-1+deb9u7,
2:102.10+LibO6.1.5-3~bpo9+1), libreoffice-pdfimport:amd64 (1:5.2.7-1+deb9u7,
1:6.1.5-3~bpo9+1), libreoffice-report-builder:amd64 (1:5.2.7-1+deb9u7,
1:6.1.5-3~bpo9+1), uno-libs3:amd64 (5.2.7-1+deb9u7, 6.1.5-3~bpo9+1),
libreoffice-style-tango:amd64 (1:5.2.7-1+deb9u7, 1:6.1.5-3~bpo9+1),
libreoffice-help-en-us:amd64 (1:5.2.7-1+deb9u7, 1:6.1.5-3~bpo9+1), libreoffice-
gnome:amd64 (1:5.2.7-1+deb9u7, 1:6.1.5-3~bpo9+1), libreoffice-calc:amd64
(1:5.2.7-1+deb9u7, 1:6.1.5-3~bpo9+1), libreoffice-base-drivers:amd64
(1:5.2.7-1+deb9u7, 1:6.1.5-3~bpo9+1), libreoffice-draw:amd64 (1:5.2.7-1+deb9u7,
1:6.1.5-3~bpo9+1), libreoffice-avmedia-backend-gstreamer:amd64
(1:5.2.7-1+deb9u7, 1:6.1.5-3~bpo9+1)
Remove: libreoffice-style-galaxy:amd64 (1:5.2.7-1+deb9u7)

If you need more infos please let me know

Piviul



-- System Information:
Debian Release: 9.9
  APT prefers stable-updates
  APT policy: (500, 'stable-updates'), (500, 'stable')
Architecture: amd64 (x86_64)

Kernel: Linux 4.19.0-0.bpo.4-amd64 (SMP w/4 CPU cores)
Locale: LANG=it_IT.UTF-8, LC_CTYPE=it_IT.UTF-8 (charmap=UTF-8), 
LANGUAGE=it_IT.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages thunderbird depends on:
ii  debianutils               4.8.1.1
ii  fontconfig                2.11.0-6.7+b1
ii  libatk1.0-0               2.22.0-1
ii  libc6                     2.24-11+deb9u4
ii  libcairo-gobject2         1.14.8-1
ii  libcairo2                 1.14.8-1
ii  libdbus-1-3               1.10.26-0+deb9u1
ii  libdbus-glib-1-2          0.108-2
ii  libevent-2.0-5            2.0.21-stable-3
ii  libffi6                   3.2.1-6
ii  libfontconfig1            2.11.0-6.7+b1
ii  libfreetype6              2.6.3-3.2
ii  libgcc1                   1:6.3.0-18+deb9u1
ii  libgdk-pixbuf2.0-0        2.36.5-2+deb9u2
ii  libglib2.0-0              2.50.3-2
ii  libgtk-3-0                3.22.11-1
ii  libgtk2.0-0               2.24.31-2
ii  libjsoncpp1               1.7.4-3
ii  libpango-1.0-0            1.40.5-1
ii  libstartup-notification0  0.12-4+b2
ii  libstdc++6                6.3.0-18+deb9u1
ii  libvpx4                   1.6.1-3+deb9u1
ii  libx11-6                  2:1.6.4-3+deb9u1
ii  libx11-xcb1               2:1.6.4-3+deb9u1
ii  libxcb-shm0               1.12-1
ii  libxcb1                   1.12-1
ii  libxext6                  2:1.3.3-1+b2
ii  libxrender1               1:0.9.10-1
ii  libxt6                    1:1.1.5-1
ii  psmisc                    22.21-2.1+b2
ii  x11-utils                 7.7+3+b1
ii  zlib1g                    1:1.2.8.dfsg-5

Versions of packages thunderbird recommends:
ii  hunspell-de-de [hunspell-dictionary]  20161207-1
ii  hunspell-en-us [hunspell-dictionary]  20070829-7
ii  hunspell-it [hunspell-dictionary]     1:5.2.5-1
ii  lightning                             1:60.6.1-1~deb9u1

Versions of packages thunderbird suggests:
ii  apparmor          2.11.0-3+deb9u2
ii  fonts-lyx         2.2.2-1
ii  libgssapi-krb5-2  1.15-1+deb9u1

-- no debconf information

--- End Message ---
--- Begin Message --- 
Source: thunderbird
Source-Version: 1:152.0-1
Done: Carsten Schoenert <[email protected]>

We believe that the bug you reported is fixed in the latest version of
thunderbird, which is due to be installed in the Debian FTP archive.

A summary of the changes between this version and the previous one is
attached.

Thank you for reporting the bug, which will now be closed.  If you
have further comments please address them to [email protected],
and the maintainer will reopen the bug report if appropriate.

Debian distribution maintenance software
pp.
Carsten Schoenert <[email protected]> (supplier of updated thunderbird 
package)

(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing [email protected])


-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512

Format: 1.8
Date: Mon, 22 Jun 2026 21:41:06 +0200
Source: thunderbird
Architecture: source
Version: 1:152.0-1
Distribution: experimental
Urgency: medium
Maintainer: Carsten Schoenert <[email protected]>
Changed-By: Carsten Schoenert <[email protected]>
Closes: 880424 882218 883245 900210 909281 914403 917613 928178 949450 949649 
955380 961269 1127710 1128672 1128876 1138513
Changes:
 thunderbird (1:152.0-1) experimental; urgency=medium
 .
   [ Carsten Schoenert ]
   * [5097e09] d/control: Bump B-D for libnss3-dev
   * [5350030] New upstream version 152.0
     (Closes: #1138513)
   * [92962df] Rebuild patch queue from patch-queue branch
     Removed patch (included upstream):
     fixes/Fix-conflicting-types-for-once_flag-and-call_once-with-gl.patch
     fixes/Fix-math_private.h-for-i386-FTBFS.patch
     fixes/Fix-sandbox-to-build-with-glibc-2.43.patch
   * [46de392] d/mozconfig.default: Remove option --enable-av1
 .
   [ Christoph Goehre ]
   * [5308430] rebuild patch queue from patch-queue branch (Closes: #1128876)
 .
   [ intrigeri ]
   * [77d16c3] Don't install AppArmor policy anymore
     (Closes: #1128672, #1127710, #928178, #909281, #955380, #882218, #900210,
      #914403, #917613, #949450, #880424, #883245, #961269, #949649)
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thunderbird_152.0-1_amd64.buildinfo

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