Hi Brian, Thanks for your fast answer and apologies for my delay
Unfortunately, i reproduced a similar crash on trusty-backports version Not exactly the same though: ii apache2 2.4.10-1ubuntu1.1~ubuntu14.04.2 amd64 Apache HTTP Server un apache2-api-20120211 <none> <none> (no description available) ii apache2-bin 2.4.10-1ubuntu1.1~ubuntu14.04.2 amd64 Apache HTTP Server (binary files and modules) ii apache2-data 2.4.10-1ubuntu1.1~ubuntu14.04.2 all Apache HTTP Server (common files) ii apache2-dbg 2.4.10-1ubuntu1.1~ubuntu14.04.2 amd64 Apache debugging symbols un apache2-doc <none> <none> (no description available) ii apache2-mpm-event 2.4.10-1ubuntu1.1~ubuntu14.04.2 amd64 transitional event MPM package for apache2 (gdb) bt #0 0x00007feee4331861 in notify_suspend (cs=0x7feee01612a8) at event.c:891 #1 process_socket (my_thread_num=23, my_child_num=<optimized out>, cs=0x7feee01612a8, sock=<optimized out>, p=<optimized out>, thd=<optimized out>) at event.c:1124 #2 worker_thread (thd=<optimized out>, dummy=<optimized out>) at event.c:1875 #3 0x00007feee71eb184 in start_thread (arg=0x7feed2fed700) at pthread_create.c:312 #4 0x00007feee6f17ffd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 (gdb) bt full #0 0x00007feee4331861 in notify_suspend (cs=0x7feee01612a8) at event.c:891 No locals. #1 process_socket (my_thread_num=23, my_child_num=<optimized out>, cs=0x7feee01612a8, sock=<optimized out>, p=<optimized out>, thd=<optimized out>) at event.c:1124 c = <optimized out> sbh = 0x7feee0161928 conn_id = <optimized out> rc = <optimized out> #2 worker_thread (thd=<optimized out>, dummy=<optimized out>) at event.c:1875 ti = <optimized out> process_slot = <optimized out> thread_slot = 23 csd = 0x7feee01610a0 cs = 0x7feee01612a8 ptrans = 0x7feee0161028 rv = <optimized out> is_idle = 0 te = 0x0 #3 0x00007feee71eb184 in start_thread (arg=0x7feed2fed700) at pthread_create.c:312 __res = <optimized out> pd = 0x7feed2fed700 now = <optimized out> unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140663718860544, 4768455907926276535, 0, 0, 140663718861248, 140663718860544, -4759934683652884041, -4759958051315451465}, mask_was_saved = 0}}, priv = { pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}} not_first_call = <optimized out> pagesize_m1 = <optimized out> sp = <optimized out> freesize = <optimized out> __PRETTY_FUNCTION__ = "start_thread" #4 0x00007feee6f17ffd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 (gdb) p cs $2 = (event_conn_state_t *) 0x7feee01612a8 (gdb) p *cs Cannot access memory at address 0x7feee01612a8 I can reproduce it quite easily with fastcgi + our product behind so i can do other tests if needed ** Attachment added: "core-2.4.10.bz2" https://bugs.launchpad.net/ubuntu/+source/apache2/+bug/1630413/+attachment/4934828/+files/core-2.4.10.bz2 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1630413 Title: segfault in server/mpm/event/event.c:process_socket To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/apache2/+bug/1630413/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs