I've had this issue on Darwin for a while now, but only recently started
digging in to it.
My environment: macOS 10.12.6, Xcode 9, libevent-2.1.8, tmux-2.6 (same issue
with 2.5).
Issue: if I start tmux (as root or otherwise), I get a "lost server" message.
If I start with "tmux -f /dev/null" it stars fine. When I "source
~/.tmux.conf", then "lost server".
If I create a file with a single hash "#" character in it and use that for my
config file it also crashes with "lost server", so server falls over reading
any config file.
Client/server debug logs:
# cat tmux-server-36281.log
1507217486.996408 server started (36281): version 2.6, socket
/private/tmp/tmux-0/default, protocol 8
1507217486.996427 on Darwin 16.7.0 Darwin Kernel Version 16.7.0: Thu Jun 15
17:36:27 PDT 2017; root:xnu-3789.70.16~2/RELEASE_X86_64; libevent 2.1.8-stable
(select)
1507217486.997625 add peer 0x7fee9781e200: 8 (0x7fee9781d800)
1507217486.997642 new client 0x7fee9781d800
1507217486.997683 loading /etc/tmux.conf
1507217486.997697 loading /Users/jdwhite/.tmux.conf
# cat tmux-client-36279.log
1507217486.994835 client started (36279): version 2.6, socket
/private/tmp/tmux-0/default, protocol 8
1507217486.994860 on Darwin 16.7.0 Darwin Kernel Version 16.7.0: Thu Jun 15
17:36:27 PDT 2017; root:xnu-3789.70.16~2/RELEASE_X86_64; libevent 2.1.8-stable
(select)
1507217486.994887 socket is /private/tmp/tmux-0/default
1507217486.994899 trying connect
1507217486.994915 connect failed: Connection refused
1507217486.995191 lock file is /private/tmp/tmux-0/default.lock
1507217486.995310 flock succeeded
1507217486.995314 got lock (6)
1507217486.995318 trying connect
1507217486.995323 connect failed: Connection refused
1507217486.995606 add peer 0x7fee98001800: 7 (0x0)
1507217486.996815 sending message 100 to peer 0x7fee98001800 (4 bytes)
1507217486.996827 sending message 101 to peer 0x7fee98001800 (12 bytes)
1507217486.996830 sending message 102 to peer 0x7fee98001800 (13 bytes)
1507217486.996833 sending message 108 to peer 0x7fee98001800 (18 bytes)
1507217486.996841 sending message 104 to peer 0x7fee98001800 (0 bytes)
1507217486.996843 sending message 107 to peer 0x7fee98001800 (4 bytes)
1507217486.996846 sending message 105 to peer 0x7fee98001800 (24 bytes)
1507217486.996849 sending message 105 to peer 0x7fee98001800 (16 bytes)
1507217486.996851 sending message 105 to peer 0x7fee98001800 (17 bytes)
1507217486.996854 sending message 105 to peer 0x7fee98001800 (16 bytes)
1507217486.996856 sending message 105 to peer 0x7fee98001800 (41 bytes)
1507217486.996859 sending message 105 to peer 0x7fee98001800 (38 bytes)
1507217486.996861 sending message 105 to peer 0x7fee98001800 (16 bytes)
1507217486.996864 sending message 105 to peer 0x7fee98001800 (19 bytes)
1507217486.996867 sending message 105 to peer 0x7fee98001800 (14 bytes)
1507217486.996869 sending message 105 to peer 0x7fee98001800 (10 bytes)
1507217486.996872 sending message 105 to peer 0x7fee98001800 (18 bytes)
1507217486.996874 sending message 105 to peer 0x7fee98001800 (13 bytes)
1507217486.996877 sending message 105 to peer 0x7fee98001800 (66 bytes)
1507217486.996879 sending message 105 to peer 0x7fee98001800 (38 bytes)
1507217486.996882 sending message 105 to peer 0x7fee98001800 (14 bytes)
1507217486.996885 sending message 105 to peer 0x7fee98001800 (11 bytes)
1507217486.996887 sending message 105 to peer 0x7fee98001800 (13 bytes)
1507217486.996890 sending message 105 to peer 0x7fee98001800 (8 bytes)
1507217486.996892 sending message 105 to peer 0x7fee98001800 (20 bytes)
1507217486.996895 sending message 105 to peer 0x7fee98001800 (259 bytes)
1507217486.996898 sending message 105 to peer 0x7fee98001800 (13 bytes)
1507217486.996900 sending message 105 to peer 0x7fee98001800 (22 bytes)
1507217486.996903 sending message 105 to peer 0x7fee98001800 (12 bytes)
1507217486.996905 sending message 105 to peer 0x7fee98001800 (17 bytes)
1507217486.996908 sending message 105 to peer 0x7fee98001800 (30 bytes)
1507217486.996911 sending message 105 to peer 0x7fee98001800 (193 bytes)
1507217486.996913 sending message 105 to peer 0x7fee98001800 (23 bytes)
1507217486.996916 sending message 105 to peer 0x7fee98001800 (8 bytes)
1507217486.996918 sending message 105 to peer 0x7fee98001800 (23 bytes)
1507217486.996921 sending message 105 to peer 0x7fee98001800 (15 bytes)
1507217486.996923 sending message 105 to peer 0x7fee98001800 (20 bytes)
1507217486.996926 sending message 105 to peer 0x7fee98001800 (26 bytes)
1507217486.996929 sending message 105 to peer 0x7fee98001800 (41 bytes)
1507217486.996931 sending message 105 to peer 0x7fee98001800 (122 bytes)
1507217486.996934 sending message 105 to peer 0x7fee98001800 (13 bytes)
1507217486.996936 sending message 105 to peer 0x7fee98001800 (12 bytes)
1507217486.996939 sending message 105 to peer 0x7fee98001800 (30 bytes)
1507217486.996941 sending message 105 to peer 0x7fee98001800 (13 bytes)
1507217486.996944 sending message 105 to peer 0x7fee98001800 (12 bytes)
1507217486.996946 sending message 105 to peer 0x7fee98001800 (20 bytes)
1507217486.996949 sending message 105 to peer 0x7fee98001800 (9 bytes)
1507217486.996952 sending message 105 to peer 0x7fee98001800 (17 bytes)
1507217486.996961 sending message 105 to peer 0x7fee98001800 (15 bytes)
1507217486.996964 sending message 106 to peer 0x7fee98001800 (0 bytes)
1507217486.996968 sending message 200 to peer 0x7fee98001800 (4 bytes)
1507217486.996971 client loop enter
1507217489.162538 client loop exit
Debugger backtrace:
# lldb -c /cores/core.36281 ./tmux
(lldb) target create "./tmux" --core "/cores/core.36281"
warning: (x86_64) /cores/core.36281 load command 346 LC_SEGMENT_64 has a
fileoff + filesize (0x2cf6a000) that extends beyond the end of the file
(0x2cf69000), the segment will be truncated to match
warning: (x86_64) /cores/core.36281 load command 347 LC_SEGMENT_64 has a
fileoff (0x2cf6a000) that extends beyond the end of the file (0x2cf69000),
ignoring this section
Core file '/cores/core.36281' (x86_64) was loaded.
(lldb) bt
* thread #1, stop reason = signal SIGSTOP
* frame #0: 0x00007fffcc638b52 libsystem_c.dylib`strlen + 18
frame #1: 0x00007fffcc67e9fc libsystem_c.dylib`__vfprintf + 5701
frame #2: 0x00007fffcc6a7423 libsystem_c.dylib`__v2printf + 699
frame #3: 0x00007fffcc67cf46 libsystem_c.dylib`_vasprintf + 554
frame #4: 0x0000000100bac587 tmux`log_vwrite + 39
frame #5: 0x0000000100bac540 tmux`log_debug + 144
frame #6: 0x0000000100b89097 tmux`load_cfg + 439
frame #7: 0x0000000100b88e94 tmux`start_cfg + 164
frame #8: 0x0000000100bbce62 tmux`server_start + 450
frame #9: 0x0000000100b89998 tmux`client_main + 1080
frame #10: 0x0000000100bc52d2 tmux`main + 1874
frame #11: 0x00007fffcc602235 libdyld.dylib`start + 1
frame #12: 0x00007fffcc602235 libdyld.dylib`start + 1
--
Jason White
[email protected]
"The single biggest problem in communication is the illusion that it has taken
place." - George Bernard Shaw
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