Package: flightgear
Version: 1:2024.1.3+dfsg-1
Severity: normal

Dear Maintainer,

=====================================================================================

After upgrade to 2024, fgfs often (but not every single time) stays
frozen when I exit, sometimes over 5 minutes. This never happened with
the earlier 2020 fgfs.

Strace shows it is blocked waiting for a FUTEX rather than using CPU or
disk.

=> strace -p 3681126 
strace: Process 3681126 attached
futex(0x7f544f7fe990, FUTEX_WAIT_BITSET|FUTEX_CLOCK_REALTIME, 3681243, NULL, 
FUTEX_BITSET_MATCH_ANY^Cstrace: Process 3681126 detached
 <detached ...>

This happens regardless of the multithreading options chosen, normally use:
   
--prop:/sim/rendering/multithreading-mode=CullThreadPerCameraDrawThreadPerContext"

There's no real work-around for this issue as it would be better not
issue a SIGKILL and interrupt possible saving of files.
=====================================================================================


-- System Information:
Debian Release: forky/sid
  APT prefers testing
  APT policy: (500, 'testing')
Architecture: amd64 (x86_64)

Kernel: Linux 6.16.12+deb14+1-amd64 (SMP w/12 CPU threads; PREEMPT)
Kernel taint flags: TAINT_PROPRIETARY_MODULE, TAINT_FIRMWARE_WORKAROUND, 
TAINT_OOT_MODULE, TAINT_UNSIGNED_MODULE
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8) (ignored: LC_ALL 
set to C.UTF-8), LANGUAGE not set
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages flightgear depends on:
ii  flightgear-data-all         1:2024.1.3+dfsg-1
ii  libc6                       2.42-5
ii  libcares2                   1.34.6-1
ii  libcurl3t64-gnutls          8.18.0-1
ii  libdbus-1-3                 1.16.2-2
ii  libevent-2.1-7t64           2.1.12-stable-10+b1
ii  libexpat1                   2.7.3-1
ii  libflite1                   2.2-7
ii  libgcc-s1                   15.2.0-7
ii  libgl1                      1.7.0-1+b2
ii  libglx0                     1.7.0-1+b2
ii  libgsm1                     1.0.23-2
ii  libhtsengine1               1.10-7+b2
ii  liblzma5                    5.8.1-2
ii  libopenal1                  1:1.25.0-1
ii  libopengl0                  1.7.0-1+b2
ii  libopenscenegraph161        3.6.5+dfsg1-11+b1
ii  libopenthreads21            3.6.5+dfsg1-11+b1
ii  libplib1t64                 1.8.5-15
ii  libqt5core5t64              5.15.17+dfsg-4
ii  libqt5gui5t64               5.15.17+dfsg-4
ii  libqt5network5t64           5.15.17+dfsg-4
ii  libqt5qml5                  5.15.17+dfsg-3
ii  libqt5quick5                5.15.17+dfsg-3
ii  libqt5widgets5t64           5.15.17+dfsg-4
ii  libspeex1                   1.2.1-3
ii  libspeexdsp1                1.2.1-3
ii  libsqlite3-0                3.46.1-8
ii  libstdc++6                  15.2.0-7
ii  libudev1                    259-1
ii  libx11-6                    2:1.8.12-1
ii  qml-module-qtquick-window2  5.15.17+dfsg-3
ii  qml-module-qtquick2         5.15.17+dfsg-3
ii  zlib1g                      1:1.3.dfsg+really1.3.1-1+b1

Versions of packages flightgear recommends:
pn  flightgear-phi  <none>

flightgear suggests no packages.

-- no debconf information

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