---
** [tickets:#139] lost server/coredump on AIX 6.1**
**Status:** open
**Labels:** crash aix coredump
**Created:** Mon Jun 30, 2014 08:34 PM UTC by Manuj
**Last Updated:** Mon Jun 30, 2014 08:34 PM UTC
**Owner:** nobody
I am running tmux v1.9a on AIX 6.1 and the tmux server crashes very frequently
(once every 2 weeks).
Basic coredump analysis shows it crashes in the window_pane_active_lost
function.
I never had this issue with tmux v1.7 earlier.
Here is the full stack trace from the core:
$ dbx `which tmux`
Type 'help' for help.
[using memory image in core]
reading symbolic information ...warning: no source compiled with -g
Segmentation fault in window_pane_active_lost at 0x10015898 ($t1)
0x10015898 (window_pane_active_lost+0x18) 9064001c stw r3,0x1c(r4)
(dbx) where
window_pane_active_lost(0x26173d58, 0x20c4f878) at 0x10015898
window_set_active_pane(0x22dc1568, 0x20c4f878) at 0x100159b0
cmd_swap_pane_exec(0x20044eb8, 0x20032da8) at 0x1005d018
cmdq_continue(0x20032da8) at 0x1002529c
cmdq_run(0x20032da8, 0x20044da8) at 0x100254bc
key_bindings_dispatch(0x20044cf8, 0x21406308) at 0x1004efc4
server_client_handle_key(0x21406308, 0x101d) at 0x1001a804
tty_keys_next(0x214163a4) at 0x100403cc
tty_read_callback(0x20066a88, 0x214163a4) at 0x1003c060
_bufferevent_run_readcb() at 0xd52c39d4
bufferevent_readcb() at 0xd52c9290
event.event_process_active_single_queue() at 0xd52a5168
event_process_active() at 0xd52a7bf8
event_base_loop() at 0xd52accd0
event_loop() at 0xd52a9b18
server_loop() at 0x1000c51c
server_start(0x5, 0x2002c468) at 0x1000cde4
client_connect(0x200092f0, 0x1) at 0x1000a730
client_main(0x3, 0x2ff218a8, 0x20000) at 0x1000ad68
main(0x3, 0x2ff218a8) at 0x100010e4
Here is some versioning information:
$ tmux -V
tmux 1.9a
$ ldd `which tmux`
/opt/pdb/bin/tmux needs:
/usr/lib/libc.a(shr.o)
/usr/lib/libpthreads.a(shr_xpg5.o)
/usr/lib/libbsd.a(shr.o)
/usr/lib/libxnet.a(shr.o)
/opt/pdb/lib/libevent.a(libevent-2.0.so.5)
/usr/lib/libcurses.a(shr42.o)
/unix
/usr/lib/libcrypt.a(shr.o)
/usr/lib/libpthreads.a(shr_comm.o)
/usr/lib/libc.a(pse.o)
I have compiled both tmux and libevent myself. The package that I compiled for
libevent was libevent-2.0.21-stable.
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