Commit [1] has broken tmux 1.9 so that it leads to crash. You can
reproduce the crash the following way. Let's assume we have a tmux with
an empty configuration. Start up a new session and enter the following
commands via <Ctrl>b<colon>:
split-window
split-window
split-window
select-layout tiled
select-pane -L
select-pane -U
Now your tmux server has crashed. Here's what the backtrace looks like:
Program received signal SIGSEGV, Segmentation fault.
0x000695bc in window_pane_visible (wp=0x6569646f) at window.c:1145
1145 struct window *w = wp->window;
(gdb) bt
#0 0x000695bc in window_pane_visible (wp=0x6569646f) at window.c:1145
#1 0x00067340 in window_pane_active_set (wp=0x17aa0e8,
nextwp=0x178cbe8) at window.c:412
#2 0x00069884 in window_pane_find_up (wp=0x17aa0e8) at window.c:1202
#3 0x0001aca0 in cmd_select_pane_exec (self=0x17a3840, cmdq=0x179e440)
at cmd-select-pane.c:103
#4 0x000182d4 in cmdq_continue (cmdq=0x179e440) at cmd-queue.c:227
#5 0x000180b0 in cmdq_run (cmdq=0x179e440, cmdlist=0x17a37e0) at
cmd-queue.c:176
#6 0x00033cc4 in key_bindings_dispatch (bd=0x17a3730, c=0x178df38) at
key-bindings.c:219
#7 0x00043898 in server_client_handle_key (c=0x178df38, key=8299) at
server-client.c:445
#8 0x000549b8 in tty_keys_next (tty=0x179dfd4) at tty-keys.c:586
#9 0x0005682c in tty_read_callback (bufev=0x17a1468, data=0x179dfd4)
at tty.c:168
#10 0xb6e6d2ac in _bufferevent_run_readcb () from
/usr/lib/libevent-2.0.so.5
When I revert [1] the crashing stops.
[1] "Remember the last active pane in the top-bottom or left-right cell"
http://sourceforge.net/p/tmux/tmux-code/ci/c930fd5ff696f5a60e93ed503f0ff57e0bbf6e4d/
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Balazs
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