Package: thunderbird
Version: 1:115.11.0-1~deb12u1
Severity: normal

When starting thunderbird, it displays this error messages:

 [GFX1-]: FireTestProcess failed: Failed to spawn child process
    “/usr/lib/thunderbird/glxtest” (Permission denied)
 [GFX1-]: No GPUs detected via PCI

This is because thunderbird apparmor profile does not let it
to execute /usr/lib/thunderbird/glxtest. Adding that one to
/etc/apparmor.d/usr.bin.thunderbird fixes the issue.

I've no idea why thunderbird wants to run glxtest, but this is
a different question entirely.

/mjt

-- System Information:
Debian Release: 12.5
  APT prefers stable-updates
  APT policy: (990, 'stable-updates'), (990, 'stable-security'), (990, 
'stable'), (500, 'proposed-updates'), (500, 'oldstable-security'), (500, 
'oldoldstable'), (500, 'oldstable'), (99, 'testing'), (50, 'unstable'), (1, 
'experimental')
Architecture: amd64 (x86_64)
Foreign Architectures: i386, arm64

Kernel: Linux 6.1.0-21-amd64 (SMP w/24 CPU threads; PREEMPT)
Kernel taint flags: TAINT_WARN
Locale: LANG=ru_RU.utf8, LC_CTYPE=ru_RU.utf8 (charmap=UTF-8), LANGUAGE not set
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

Versions of packages thunderbird depends on:
ii  debianutils          5.7-0.5~deb12u1
ii  fontconfig           2.14.1-4
ii  libasound2           1.2.8-1+b1
ii  libatk1.0-0          2.46.0-5
ii  libc6                2.36-9+deb12u7
ii  libcairo-gobject2    1.16.0-7
ii  libcairo2            1.16.0-7
ii  libdbus-1-3          1.14.10-1~deb12u1
ii  libdbus-glib-1-2     0.112-3
ii  libevent-2.1-7       2.1.12-stable-8
ii  libffi8              3.4.4-1
ii  libfontconfig1       2.14.1-4
ii  libfreetype6         2.12.1+dfsg-5
ii  libgcc-s1            12.2.0-14
ii  libgdk-pixbuf-2.0-0  2.42.10+dfsg-1+b1
ii  libglib2.0-0         2.74.6-2+deb12u2
ii  libgtk-3-0           3.24.38-2~deb12u1
ii  libnspr4             2:4.35-1
ii  libnss3              2:3.87.1-1
ii  libotr5              4.1.1-5
ii  libpango-1.0-0       1.50.12+ds-1
ii  libstdc++6           12.2.0-14
ii  libvpx7              1.12.0-1+deb12u2
ii  libx11-6             2:1.8.4-2+deb12u2
ii  libx11-xcb1          2:1.8.4-2+deb12u2
ii  libxcb-shm0          1.15-1
ii  libxcb1              1.15-1
ii  libxext6             2:1.3.4-1+b1
ii  libxrandr2           2:1.5.2-2+b1
ii  psmisc               23.6-1
ii  x11-utils            7.7+5
ii  zenity               3.44.0-1
ii  zlib1g               1:1.2.13.dfsg-1

Versions of packages thunderbird recommends:
ii  hunspell-en-us [hunspell-dictionary]  1:2020.12.07-2
ii  hunspell-ru [hunspell-dictionary]     1:7.5.0-1

Versions of packages thunderbird suggests:
ii  apparmor          3.0.8-3
ii  fonts-lyx         2.3.7-1
ii  libgssapi-krb5-2  1.20.1-2+deb12u1

-- Configuration Files:
/etc/apparmor.d/usr.bin.thunderbird changed [not included]

-- no debconf information

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