Re: [SQU] Looks like a newbie problem:

This is what I got: could not get it to work (so not even crash) So i
pressed <ctrl> Z (Perhaps this info is not relvant)

> The easiest approach for getting a stacktrace if you cannot find the
> core file is to start Squid from inside the debugger.
>
> gdb squid
> run -NC
> [now make it crash. gdb will return]
> backtrace
>

Red Hat Linux release 7.0 (Guinness)
Kernel 2.2.16-22 on an i686
login: root
Password:
Last login: Fri Feb 16 00:01:23 from 150.50.242.2
[root@mis2 /root]# cd /var/spool/squid
[root@mis2 squid]# gdb squid
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This GDB was configured as "i386-redhat-linux"...
(gdb) run -NC
Starting program: /usr/sbin/squid -NC
[New Thread 1024 (LWP 1263)]

Program received signal SIGTSTP, Stopped (user).
[Switching to Thread 1024 (LWP 1263)]
0x4018ab97 in __poll (fds=0xbfffe330, nfds=1, timeout=5000)
    at ../sysdeps/unix/sysv/linux/poll.c:63
63 ../sysdeps/unix/sysv/linux/poll.c: No such file or directory.
(gdb) backtrace
#0 0x4018ab97 in __poll (fds=0xbfffe330, nfds=1, timeout=5000)
    at ../sysdeps/unix/sysv/linux/poll.c:63
#1 0x400913e6 in send_dg (statp=0x401da1e0, buf=0xbfffe440 "\"?\001",
    buflen=30, ans=0xbffff5b0 "ìN\035@ìü\"@", anssiz=1024,
terrno=0xbfffe3f0,
    ns=0, v_circuit=0xbfffe3e8, gotsomewhere=0xbfffe3ec) at res_send.c:945
#2 0x40090919 in __res_nsend (statp=0x401da1e0, buf=0xbfffe440 "\"?\001",
    buflen=30, ans=0xbffff5b0 "ìN\035@ìü\"@", anssiz=1024) at res_send.c:569
#3 0x4008fbc7 in __res_nquery (statp=0x401da1e0,
    name=0x8216d08 "netscape.com", class=1, type=1,
    answer=0xbffff5b0 "ìN\035@ìü\"@", anslen=1024) at res_query.c:132
#4 0x40090153 in __res_nquerydomain (statp=0x401da1e0,
    name=0x8216d08 "netscape.com", domain=0x0, class=1, type=1,
    answer=0xbffff5b0 "ìN\035@ìü\"@", anslen=1024) at res_query.c:363
#5 0x4008fdf1 in __res_nsearch (statp=0x401da1e0,
    name=0x8216d08 "netscape.com", class=1, type=1,
    answer=0xbffff5b0 "ìN\035@ìü\"@", anslen=1024) at res_query.c:212
#6 0x4022d047 in _nss_dns_gethostbyname2_r (name=0x8216d08 "netscape.com",
    af=2, result=0x401d8ae0, buffer=0x8216e70 "Ø\210«Ê", buflen=1024,
    errnop=0x401d6a80, h_errnop=0xbffffb48) at nss_dns/dns-host.c:169
#7 0x4022e335 in _nss_dns_gethostbyname_r (name=0x8216d08 "netscape.com",
    result=0x401d8ae0, buffer=0x8216e70 "Ø\210«Ê", buflen=1024,
    errnop=0x401d6a80, h_errnop=0xbffffb48) at nss_dns/dns-host.c:210
#8 0x401a4357 in __gethostbyname_r (name=0x8216d08 "netscape.com",
---Type <return> to continue, or q <return> to quit---
    resbuf=0x401d8ae0, buffer=0x8216e70 "Ø\210«Ê", buflen=1024,
    result=0xbffffb40, h_errnop=0xbffffb48) at ../nss/getXXbyYY_r.c:191
#9 0x401a2f25 in gethostbyname (name=0x8216d08 "netscape.com")
    at ../nss/getXXbyYY.c:127
#10 0x8079cbc in ipcache_testname () at ipcache.c:109
#11 0x807a5a5 in ipcache_init () at ipcache.c:456
#12 0x807be02 in mainInitialize () at main.c:474
#13 0x807c307 in main (argc=2, argv=0xbffffc24) at main.c:681
#14 0x400cdf31 in __libc_start_main (main=0x807c044 <main>, argc=2,
    ubp_av=0xbffffc24, init=0x8049ea8 <_init>, fini=0x80a761c <_fini>,
    rtld_fini=0x4000e274 <_dl_fini>, stack_end=0xbffffc1c)
    at ../sysdeps/generic/libc-start.c:129
(gdb)
Received on Fri Feb 16 2001 - 01:02:30 MST