Re: zsh crashes with floating point exception

["Dr. Andy Spiegl" <zsh.Andy@xxxxxxxxx>]

> Could you compile with debugging symbols ("./configure
> --enable-zsh-debug" will do this),
Okay.  Oh wait Ubuntu (i.e. Debian) has a zsh-dbg package, great!

> and when it crashes, run "gdb zsh <corefile>" and send the output of the
> "bt" command?
...
Loaded symbols for /usr/lib/zsh/4.3.4/zsh/complist.so
Core was generated by `zsh'.
Program terminated with signal 8, Arithmetic exception.
#0  0x40291403 in cut (i=3, ct=5, dir=1) at ../../../Src/Zle/zle_utils.c:476
476     ../../../Src/Zle/zle_utils.c: No such file or directory.
        in ../../../Src/Zle/zle_utils.c
(gdb) bt
#0  0x40291403 in cut (i=3, ct=5, dir=1) at ../../../Src/Zle/zle_utils.c:476
#1  0x4029166c in backkill (ct=5, dir=1) at ../../../Src/Zle/zle_utils.c:409
#2  0x40294040 in backwardkillword (args=0xbf8c93a4) at ../../../Src/Zle/zle_word.c:342
#3  0x4027d644 in execzlefunc (func=0x402992e0, args=0xbf8c93a4, set_bindk=0) at ../../../Src/Zle/zle_main.c:1261
#4  0x402894c6 in bin_zle_call (name=0x4023ed70 "zle", args=0xbf8c93a0, ops=0xbf8c93ec, func=0 '\0') at ../../../Src/Zle/zle_thingy.c:705
#5  0x402885e3 in bin_zle (name=0x4023ed70 "zle", args=0xbf8c93a0, ops=0xbf8c93ec, func=0) at ../../../Src/Zle/zle_thingy.c:381
#6  0x0805d183 in execbuiltin (args=0x4023ed48, bn=0x4029b068) at ../../Src/builtin.c:438
#7  0x0806aeef in execcmd (state=0xbf8ca7a8, input=0, output=0, how=2, last1=2) at ../../Src/exec.c:2670
#8  0x0806b199 in execpline2 (state=0xbf8ca7a8, pcode=<value optimized out>, how=2, input=0, output=0, last1=0) at ../../Src/exec.c:1343
#9  0x0806b56b in execpline (state=0xbf8ca7a8, slcode=<value optimized out>, how=2, last1=0) at ../../Src/exec.c:1129
#10 0x0806c255 in execlist (state=0xbf8ca7a8, dont_change_job=1, exiting=0) at ../../Src/exec.c:935
#11 0x0806c4da in execode (p=0x810ecf8, dont_change_job=1, exiting=0) at ../../Src/exec.c:793
#12 0x0806c5c3 in runshfunc (prog=0x810ecf8, wrap=0x0, name=0x4023ebc8 "backward-kill-word") at ../../Src/exec.c:3991
#13 0x0806c937 in doshfunc (name=0x810ec00 "backward-kill-word", prog=0x810ecf8, doshargs=0x0, flags=0, noreturnval=1) at ../../Src/exec.c:3900
#14 0x4027d863 in execzlefunc (func=0x402982c0, args=0x4029b27c, set_bindk=0) at ../../../Src/Zle/zle_main.c:1296
#15 0x4027dbea in zlecore () at ../../../Src/Zle/zle_main.c:1019
#16 0x4027e217 in zleread (lp=0x80d65b4, rp=0x0, flags=3, context=0) at ../../../Src/Zle/zle_main.c:1174
#17 0x0807dea6 in ingetc () at ../../Src/input.c:278
#18 0x080795e2 in ihgetc () at ../../Src/hist.c:240
#19 0x08084eee in gettok () at ../../Src/lex.c:630
#20 0x0808571a in yylex () at ../../Src/lex.c:345
#21 0x0809d769 in parse_event () at ../../Src/parse.c:451
#22 0x0807c87a in loop (toplevel=1, justonce=0) at ../../Src/init.c:128
#23 0x0807d594 in zsh_main (argc=1, argv=0xbf8cb394) at ../../Src/init.c:1347
#24 0x08054872 in main (argc=0, argv=0x8) at ../../Src/main.c:93

> (There may then be some follow-up questions on values of
> variables etc.)
Sure, no problem.

> If Meta-Backspace is bound to anything other than the builtin widget
> backward-kill-word we'll need to know that, too.
$ bindkey
...
"^[^H" backward-kill-word
"^[^?" backward-kill-word
...

Thanks,
 Andy.

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