Public bug reported: haproxy crashes after starting up successfully, when the spread_checks option is provided.
According to GDB, here is the backtrace of the crash: ``` Program received signal SIGILL, Illegal instruction. 0x000000000042b97f in process_chk (t=0x6ef7c0) at src/checks.c:1587 1587 src/checks.c: No such file or directory. in src/checks.c (gdb) bt #0 0x000000000042b97f in process_chk (t=0x6ef7c0) at src/checks.c:1587 #1 0x00000000004103ee in process_runnable_tasks (next=0x7fffffffe4cc) at src/task.c:240 #2 0x0000000000406440 in run_poll_loop () at src/haproxy.c:1304 #3 0x0000000000408966 in main (argc=<value optimized out>, argv=0x7fffffffe6f8) at src/haproxy.c:1638 ``` it's caused by this code: ``` if (global.spread_checks > 0) { rv = srv_getinter(check) * global.spread_checks / 100; rv -= (int) (2 * rv * (rand() / (RAND_MAX + 1.0))); } ``` on line 1587 of src/checks.c (the second line in the if clause). We're running haproxy 1.5.0 > lsb_release -rd Description: Ubuntu 10.04.4 LTS Release: 10.04 > uname -a Linux 789b4b1b-6f7b-44cf-accc-88d90341f17a 3.8.0-29-generic #42~precise1-Ubuntu SMP Wed Aug 14 16:19:23 UTC 2013 x86_64 GNU/Linux ** Affects: haproxy (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1339801 Title: Illegal Instruction crash on startup with spread_checks in src/checks.c To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/haproxy/+bug/1339801/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs