Still happening on xenial: apache2 2.4.18-2ubuntu3.10 libapache2-mod-wsgi-py3 4.3.0-1.1build1
My apache default site config: # cat /etc/apache2/sites-enabled/000-default.conf |grep -vE "^[[:blank:]]*(#|$)" <VirtualHost *:80> ServerAdmin webmaster@localhost DocumentRoot /var/www/html ErrorLog ${APACHE_LOG_DIR}/error.log CustomLog ${APACHE_LOG_DIR}/access.log combined WSGIDaemonProcess example.com processes=2 threads=15 display-name=%{GROUP} WSGIProcessGroup example.com </VirtualHost> Issued apache2ctl graceful in an infinite while loop, and it eventually crashed: [Wed Jul 10 14:07:24.348925 2019] [mpm_event:notice] [pid 1363:tid 140450587101056] AH00493: SIGUSR1 received. Doing graceful restart [Wed Jul 10 14:07:24.412595 2019] [wsgi:warn] [pid 1363:tid 140450587101056] mod_wsgi: Compiled for Python/3.5.1+. [Wed Jul 10 14:07:24.412721 2019] [wsgi:warn] [pid 1363:tid 140450587101056] mod_wsgi: Runtime using Python/3.5.2. [Wed Jul 10 14:07:24.414295 2019] [mpm_event:notice] [pid 1363:tid 140450587101056] AH00489: Apache/2.4.18 (Ubuntu) mod_wsgi/4.3.0 Python/3.5.2 configured -- resuming normal operations [Wed Jul 10 14:07:24.414410 2019] [core:notice] [pid 1363:tid 140450587101056] AH00094: Command line: '/usr/sbin/apache2' [Wed Jul 10 14:07:24.465601 2019] [mpm_event:notice] [pid 1363:tid 140450587101056] AH00493: SIGUSR1 received. Doing graceful restart [Wed Jul 10 14:07:24.557427 2019] [core:notice] [pid 1363] AH00060: seg fault or similar nasty error detected in the parent process [Wed Jul 10 14:07:24.781927 2019] [wsgi:warn] [pid 2427:tid 140220268152704] mod_wsgi: Compiled for Python/3.5.1+. [Wed Jul 10 14:07:24.781998 2019] [wsgi:warn] [pid 2427:tid 140220268152704] mod_wsgi: Runtime using Python/3.5.2. [Wed Jul 10 14:07:24.782018 2019] [core:warn] [pid 2427:tid 140220268152704] AH00098: pid file /var/run/apache2/apache2.pid overwritten -- Unclean shutdown of previous Apache run? I couldn't reproduce it on eoan, and I left the reloads running for a few minutes. Since my previous comment said it still happened on disco, let me try that now, also to validate my procedure. ... I'm also having a hard time reproducing this on disco, same procedure as on xenial. -- You received this bug notification because you are a member of Ubuntu Server, which is subscribed to the bug report. https://bugs.launchpad.net/bugs/1712589 Title: Apache2 mod-wsgi segfault on double reload To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/mod-wsgi/+bug/1712589/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs