Date: Mon, 18 Apr 2005 22:26:41 -0500 (CDT) From: =?ISO-8859-1?Q?Se=E1n_C=2E_Farley?= <sean-freebsd@farley.org> To: FreeBSD-gnats-submit@FreeBSD.org, freebsd-bugs@FreeBSD.org Subject: Re: gnu/77818: GDB locks in wait4() when running applications Message-ID: <20050418155836.L11216@thor.farley.org> In-Reply-To: <200502210120.j1L1KIM3024205@freefall.freebsd.org> References: <200502210120.j1L1KIM3024205@freefall.freebsd.org>
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I finally compiled Zsh with debugging and got the following trace. I
ran it by the following line:
LD_LIBRARY_PATH=/tmp/libc SHELL=/bin/sh gdb /usr/local/bin/zsh
Program received signal SIGINT, Interrupt.
0x281a9efb in sigsuspend () from /lib/libc.so.5
(gdb) where
#0 0x281a9cfb in sigsuspend () at sigsuspend.S:2
#1 0x280e07dc in signal_suspend (sig=20, sig2=2) at signals.c:367
#2 0x280b92e8 in waitforpid (pid=11195) at jobs.c:1120
#3 0x280a3dda in getoutput (cmd=0x8060e5c "uname -s", qt=1) at exec.c:2869
#4 0x280e2a0c in stringsubst (list=0xbfbfe7c0, node=0xbfbfe7d0, ssub=4,
asssub=0) at subst.c:189
#5 0x280e2378 in prefork (list=0xbfbfe7c0, flags=6) at subst.c:74
#6 0x280a0886 in addvars (state=0xbfbfe880, pc=0xbfbfe7c0, export=0)
at exec.c:1614
#7 0x2809ec5d in execsimple (state=0x1) at exec.c:802
#8 0x2809edb7 in execlist (state=0xbfbfe880, dont_change_job=0, exiting=0)
at exec.c:855
#9 0x2809eb9a in execode (p=0x80608e0, dont_change_job=0, exiting=0)
at exec.c:775
#10 0x280b3a8a in loop (toplevel=0, justonce=0) at init.c:165
#11 0x280b58b8 in source (s=0xbfbfe950 "/root/.zshenv") at init.c:1043
#12 0x280b5b1c in sourcehome (s=0x280f458d ".zshenv") at init.c:1088
#13 0x280b54e7 in run_init_scripts () at init.c:937
#14 0x280b63da in zsh_main (argc=1, argv=0xbfbfeac0) at init.c:1262
#15 0x08048583 in main (argc=1, argv=0xbfbfeac0) at ./main.c:93
I hope this can help find the problem.
Seán
--
sean-freebsd@farley.org
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