On Sun, Nov 21, 2010 at 03:32:08PM +0000, Nicholas Marriott wrote:
> tmux version?
>
> what platform?
It seems I can always reproduce this -- at least to get a stack trace
identical to the one reported.
This is tmux cvs HEAD (as of today) on Linux (Debian Unstable).
If I start tmux like this:
$ tmux -Lrandom -f /dev/null
... and then immediately start to split the window, creating random
horizontal/vertical splits -- do it a few times until you get four of five.
Then turn on "mouse-select-pane":
:set mouse-select-pane
... then click to any random pane with the mouse to make it active, and
press:
^d
... to close the pane. I immediately then get a "[lost server]" error, and
a coredump. Here's the results:
(gdb) bt
#0 0x080839fc in window_pane_visible (wp=0x9011570) at window.c:836
#1 0x0806d3cc in server_client_reset_state (c=0x8ff2680)
at server-client.c:448
#2 0x0806d2c2 in server_client_loop () at server-client.c:408
#3 0x0807010c in server_loop () at server.c:213
#4 0x080700e2 in server_start () at server.c:201
#5 0x0804ae83 in client_connect (path=0x80ab620 "/tmp//tmux-1001/main356",
start_server=1) at client.c:79
#6 0x0804b07c in client_main (argc=0, argv=0xbfbd1390, flags=1)
at client.c:153
#7 0x080770f4 in main (argc=0, argv=0xbfbd1390) at tmux.c:495
Doing some digging:
(gdb) p wp->xoff
$2 = 1963065346
(gdb) p w->sx
Cannot access memory at address 0x2000264
(gdb) p w
$3 = (struct window *) 0x2000200
(gdb) p *w
Cannot access memory at address 0x2000200
What's up with the struct window * here?
Also -- things get a little more interesting...
If I repeat the above steps, but this time keep splitting a window down so I
get a really tiny pane, and type "ls" (so that wp->fd > -1) -- and then
close it -- again with "^d", tmux goes round in an infinite loop, with the
title of the window. This is due to automatic-rename for sure -- the title
of the window goes through endless loops of:
0:z [dead]
0:X [dead]
... over and over. There's always a random character before [dead] -- no
tmux crash, but it does look like (through stracing it) it's caught around
here:
names.c:window_name_callback():
if (w->active->cmd != NULL && *w->active->cmd == '\0' &&
name != NULL && name[0] == '-' && name[1] != '\0')
wname = parse_window_name(name + 1);
I'm having problems tracking this down to be honest.
HTH,
-- Thomas Adam
--
"Deep in my heart I wish I was wrong. But deep in my heart I know I am
not." -- Morrissey ("Girl Least Likely To" -- off of Viva Hate.)
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