I can still reproduce on tmux from git.
Here is the gdb backtrace (once with 'bt full') from the core dump.
Best regards,
Julien
On Fri, Apr 11, 2014 at 4:40 PM, Nicholas Marriott
<nicholas.marri...@gmail.com> wrote:
> Hi
>
> tmux doesn't crash for me, please try to build tmux from git and see if
> you can still reproduce.
>
> If you can, please see if there is a core file and send me a backtrace
> from gdb.
>
>
> On Fri, Apr 11, 2014 at 04:30:54PM +0200, Julien Rebetez wrote:
>> Hello,
>> First, thanks for this wonderful software !
>>
>> I am using tslime[1] with a custom vim plugin [2] to copy/paste code
>> from vim to an ipython session running in tmux. It's working great but
>> sometimes, tmux crashes with "[lost server]".
>>
>> In the background, tslime use 'tmux set-buffer' to send text to tmux.
>> It seems the crash is very dependent on the content of the buffer and
>> it mostly happens with somewhat large buffers.
>>
>> I wrote a small script [3] that contains an example buffer that
>> reproduces the crash.
>>
>> For example :
>> $ ./crash_tmux.sh
>> failed to connect to server: Connection refused
>>
>> If I remove (or add) one line from the buffer (for example the "if
>> True" near the end), tmux doesn't crash anymore :
>> # Modify crash_tmux.sh to remove the "if True" line
>> $ ./crash_tmux.sh
>> test: 1 windows (created Fri Apr 11 15:25:26 2014) [80x22]
>>
>> System informations :
>> - tmux version : 1.9a
>> - terminal emulator : gnome-terminal
>> - $TERM : xterm-256color
>> - OS : Ubuntu 13.10
>>
>> I also tried removing my .tmux.conf, but it doesn't help.
>>
>> Then, I checked out the git master and started a bisect. (see
>> bisect.log on the gist [3] linked below). It seems the problem is
>> introduced in this revision :
>> http://sourceforge.net/p/tmux/tmux-code/ci/f8c86a9515ae863fcbc38769544be983ce494a3c
>>
>> So I tried commenting out the lines added by this commit and it
>> appears line 217 of cmd-queue.c is the problem :
>>
>> cmd_print(cmdq->cmd, s, sizeof s);
>>
>> If i comment this line, the crash goes away ! Since this seems like
>> those are debug statements, I'll try to run the patched tmux and I'll
>> see if I get any more crashes in the next days.
>>
>> Best regards
>> Julien
>>
>> [1] https://github.com/kikijump/tslime.vim
>> [2] https://github.com/julienr/vimux-pyutils
>> [3] https://gist.github.com/julienr/10470414
>>
>> ------------------------------------------------------------------------------
>> Put Bad Developers to Shame
>> Dominate Development with Jenkins Continuous Integration
>> Continuously Automate Build, Test & Deployment
>> Start a new project now. Try Jenkins in the cloud.
>> http://p.sf.net/sfu/13600_Cloudbees
>> _______________________________________________
>> tmux-users mailing list
>> tmux-users@lists.sourceforge.net
>> https://lists.sourceforge.net/lists/listinfo/tmux-users
[New LWP 8918]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Core was generated by `/home/julien/programs/tmux-git/_install/bin/tmux
new-session -d -s test -n test'.
Program terminated with signal 6, Aborted.
#0 0x00007fc549950f77 in __GI_raise (sig=sig@entry=6) at
../nptl/sysdeps/unix/sysv/linux/raise.c:56
#0 0x00007fc549950f77 in __GI_raise (sig=sig@entry=6) at
../nptl/sysdeps/unix/sysv/linux/raise.c:56
#1 0x00007fc5499545e8 in __GI_abort () at abort.c:90
#2 0x00007fc54998e4fb in __libc_message (do_abort=do_abort@entry=1,
fmt=fmt@entry=0x7fc549a9ff10 "*** %s ***: %s terminated\n") at
../sysdeps/unix/sysv/linux/libc_fatal.c:199
#3 0x00007fc549a2c08c in __GI___fortify_fail (msg=<optimized out>,
msg@entry=0x7fc549a9fef8 "stack smashing detected") at fortify_fail.c:37
#4 0x00007fc549a2c030 in __stack_chk_fail () at stack_chk_fail.c:28
#5 0x000000000041016e in cmdq_continue (cmdq=0x1218a10) at cmd-queue.c:267
#6 0x000000000040fd05 in cmdq_run (cmdq=0x1218a10, cmdlist=0x1220d60) at
cmd-queue.c:176
#7 0x00000000004362ea in server_client_msg_command (c=0x1222f40,
imsg=0x7fffba5bfe20) at server-client.c:943
#8 0x0000000000435e11 in server_client_msg_dispatch (c=0x1222f40) at
server-client.c:836
#9 0x000000000043476d in server_client_callback (fd=5, events=2,
data=0x1222f40) at server-client.c:231
#10 0x00007fc549f09f94 in event_base_loop () from
/usr/lib/x86_64-linux-gnu/libevent-2.0.so.5
#11 0x0000000000438fde in server_loop () at server.c:210
#12 0x0000000000438fbd in server_start (lockfd=5, lockfile=0x121a650 "") at
server.c:201
#13 0x0000000000405ded in client_connect (path=0x692a60 <socket_path>
"/tmp/tmux-1000/default", start_server=1) at client.c:130
#14 0x00000000004060ff in client_main (argc=6, argv=0x7fffba5c3400,
flags=65536) at client.c:238
#15 0x0000000000443c5e in main (argc=6, argv=0x7fffba5c3400) at tmux.c:389
[New LWP 8918]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Core was generated by `/home/julien/programs/tmux-git/_install/bin/tmux
new-session -d -s test -n test'.
Program terminated with signal 6, Aborted.
#0 0x00007fc549950f77 in __GI_raise (sig=sig@entry=6) at
../nptl/sysdeps/unix/sysv/linux/raise.c:56
#0 0x00007fc549950f77 in __GI_raise (sig=sig@entry=6) at
../nptl/sysdeps/unix/sysv/linux/raise.c:56
resultvar = 0
pid = 8918
selftid = 8918
#1 0x00007fc5499545e8 in __GI_abort () at abort.c:90
save_stage = 2
act = {__sigaction_handler = {sa_handler = 0x0, sa_sigaction = 0x0},
sa_mask = {__val = {4569798, 140736319977008, 140736319976992, 4590425,
4590427, 140736319977464, 1234581650, 0, 0, 0, 0, 0, 0, 0, 0, 4294967295}},
sa_flags = 0, sa_restorer = 0xffffffff00000000}
sigs = {__val = {32, 0 <repeats 15 times>}}
#2 0x00007fc54998e4fb in __libc_message (do_abort=do_abort@entry=1,
fmt=fmt@entry=0x7fc549a9ff10 "*** %s ***: %s terminated\n") at
../sysdeps/unix/sysv/linux/libc_fatal.c:199
ap = {{gp_offset = 32, fp_offset = 48, overflow_arg_area =
0x7fffba5bf8e0, reg_save_area = 0x7fffba5bf7f0}}
ap_copy = {{gp_offset = 16, fp_offset = 48, overflow_arg_area =
0x7fffba5bf8e0, reg_save_area = 0x7fffba5bf7f0}}
fd = 2
on_2 = <optimized out>
list = <optimized out>
nlist = <optimized out>
cp = <optimized out>
written = <optimized out>
#3 0x00007fc549a2c08c in __GI___fortify_fail (msg=<optimized out>,
msg@entry=0x7fc549a9fef8 "stack smashing detected") at fortify_fail.c:37
do_abort = 1
#4 0x00007fc549a2c030 in __stack_chk_fail () at stack_chk_fail.c:28
No locals.
#5 0x000000000041016e in cmdq_continue (cmdq=0x1218a10) at cmd-queue.c:267
next = 0x0
retval = CMD_RETURN_NORMAL
empty = 1
guard = 0
flags = 0
s = "set-buffer \"\"##\ndef laplacian_smoothing(verts, faces):\n
\"\"\"\n Laplacian mesh smoothing\n
http://en.wikipedia.org/wiki/Laplacian_smoothing\n\n Basically, each vertex
is replaced by a weighted a"...
#6 0x000000000040fd05 in cmdq_run (cmdq=0x1218a10, cmdlist=0x1220d60) at
cmd-queue.c:176
No locals.
#7 0x00000000004362ea in server_client_msg_command (c=0x1222f40,
imsg=0x7fffba5bfe20) at server-client.c:943
data = {argc = 2}
buf = 0x1235c94 "set-buffer"
len = 1038
cmdlist = 0x1220d60
argc = 2
argv = 0x1240440
cause = 0x0
__func__ = "server_client_msg_command"
#8 0x0000000000435e11 in server_client_msg_dispatch (c=0x1222f40) at
server-client.c:836
imsg = {hdr = {type = 200, len = 1058, flags = 0, peerid = 8, pid =
4294967295}, fd = -1, data = 0x1235c90}
stdindata = {size = 0, data = '\000' <repeats 7440 times>...}
data = 0x1235c90 "\002"
n = 1058
datalen = 1042
__func__ = "server_client_msg_dispatch"
#9 0x000000000043476d in server_client_callback (fd=5, events=2,
data=0x1222f40) at server-client.c:231
c = 0x1222f40
#10 0x00007fc549f09f94 in event_base_loop () from
/usr/lib/x86_64-linux-gnu/libevent-2.0.so.5
No symbol table info available.
#11 0x0000000000438fde in server_loop () at server.c:210
No locals.
#12 0x0000000000438fbd in server_start (lockfd=5, lockfile=0x121a650 "") at
server.c:201
pair = {6, 7}
tv = {tv_sec = 1, tv_usec = 0}
cause = 0x6 <Address 0x6 out of bounds>
__func__ = "server_start"
#13 0x0000000000405ded in client_connect (path=0x692a60 <socket_path>
"/tmp/tmux-1000/default", start_server=1) at client.c:130
sa = {sun_family = 1, sun_path = "/tmp/tmux-1000/default", '\000'
<repeats 85 times>}
size = 22
fd = 5
lockfd = 5
lockfile = 0x121a650 ""
__func__ = "client_connect"
#14 0x00000000004060ff in client_main (argc=6, argv=0x7fffba5c3400,
flags=65536) at client.c:238
cmd = 0x0
cmdlist = 0x121a4d0
data = 0x28282353
cmdflags = 3
fd = 1242818656
i = 18981200
ppid = 32709
msg = MSG_COMMAND
cause = 0x0
tio = {c_iflag = 1313166917, c_oflag = 1330536276, c_cflag =
1280069456, c_lflag = 0, c_line = 1 '\001', c_cc =
"\000\000\000T_NO\000\000\000\000\000\000\000\000\200!\\\272\377\177\000\000\020\361\357I\305\177\000\000",
c_ispeed = 0, c_ospeed = 3126600080}
saved_tio = {c_iflag = 4208704, c_oflag = 0, c_cflag = 1998626048,
c_lflag = 4131902374, c_line = 0 '\000', c_cc = '\000' <repeats 15 times>,
"\220!\\\272\377\177\000\000@8@\000\000\000\000", <incomplete sequence \360>,
c_ispeed = 32767, c_ospeed = 0}
size = 140736319987952
#15 0x0000000000443c5e in main (argc=6, argv=0x7fffba5c3400) at tmux.c:389
pw = 0x0
s = 0x0
path = 0x1219e30 "EVENT_NOEPOLL=1"
label = 0x1219e10 ""
var = 0x7fffba5c36f0
tmp = "/home/julien", '\000' <repeats 780 times>...
in = '\000' <repeats 255 times>
home = 0x7fffba5c5ccf "/home/julien"
pid = 0
opt = -1
flags = 65536
quiet = 0
keys = 1
session = 0
------------------------------------------------------------------------------
Learn Graph Databases - Download FREE O'Reilly Book
"Graph Databases" is the definitive new guide to graph databases and their
applications. Written by three acclaimed leaders in the field,
this first edition is now available. Download your free book today!
http://p.sf.net/sfu/NeoTech
_______________________________________________
tmux-users mailing list
tmux-users@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/tmux-users
