Date: Sun, 24 Jan 2010 12:24:13 +0300 From: "Alexander V. Chernikov" <melifaro@ipfw.ru> To: Harald Schmalzbauer <h.schmalzbauer@omnilan.de> Cc: freebsd-stable@freebsd.org, Mikolaj Golub <to.my.trociny@gmail.com> Subject: Re: top Segmentation faulting on 8.0p2 amd64 (nss_ldapd problem?) Message-ID: <4B5C11BD.7080103@ipfw.ru> In-Reply-To: <4B5A4A8C.8070707@omnilan.de> References: <4B56AB6F.9010303@omnilan.de> <86eilhwzbh.fsf@kopusha.onet> <4B5A4A8C.8070707@omnilan.de>
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Harald Schmalzbauer wrote: > Mikolaj Golub schrieb am 22.01.2010 23:26 (localtime): >> On Wed, 20 Jan 2010 08:06:23 +0100 Harald Schmalzbauer wrote: >> >>> Dear all, >>> >>> I have no idea why top crashes with segmentation fault on my amd64 >>> machine running FreeBSD 8.0-RELEASE-p2. >>> If someone wants to have a loot at the core dump: >>> http://www.schmalzbauer.de/downloads/top.core >> >> core file is useless without binary and libraries. So it is better to >> run gdb >> on your host, produce backtrace and post here: >> >> gdb /usr/bin/top top.core >> bt >> >> And sure a backtrace from the top built with -g would be much better. >> >> cd /usr/src/usr.bin/top >> CFLAGS=-g make > > Unfortunately nss_ldap seems to be the culprit. There is some strange problem with TLS and gcc optimization I can't localize Please try to rebuild port with post-configure: @${REINPLACE_CMD} -e 's/^\(CFLAGS .*\)-O2 \(.*\)$$/\1 -O0 \2/' ${WRKSRC}/nss/Makefile I'll submit updated port later > > gdb /usr/bin/top top.core > GNU gdb 6.1.1 [FreeBSD] > Copyright 2004 Free Software Foundation, Inc. > GDB is free software, covered by the GNU General Public License, and > you are > welcome to change it and/or distribute copies of it under certain > conditions. > Type "show copying" to see the conditions. > There is absolutely no warranty for GDB. Type "show warranty" for > details. > This GDB was configured as "amd64-marcel-freebsd"... > Core was generated by `top'. > Program terminated with signal 11, Segmentation fault. > Reading symbols from /lib/libncurses.so.8...done. > Loaded symbols for /lib/libncurses.so.8 > Reading symbols from /lib/libm.so.5...done. > Loaded symbols for /lib/libm.so.5 > Reading symbols from /lib/libkvm.so.5...done. > Loaded symbols for /lib/libkvm.so.5 > Reading symbols from /lib/libc.so.7...done. > Loaded symbols for /lib/libc.so.7 > Reading symbols from /usr/local/lib/nss_ldap.so.1...done. > Loaded symbols for /usr/local/lib/nss_ldap.so.1 > Reading symbols from /libexec/ld-elf.so.1...done. > Loaded symbols for /libexec/ld-elf.so.1 > bt: > #0 0x0000000800d08403 in __nss_compat_gethostbyname () from > /usr/local/lib/nss_ldap.so.1 > #0 0x0000000800d08403 in __nss_compat_gethostbyname () from > /usr/local/lib/nss_ldap.so.1 > #1 0x0000000800d0606f in _nss_ldap_getpwent_r () from > /usr/local/lib/nss_ldap.so.1 > #2 0x00000008009ffc54 in __nss_compat_getpwent_r () from /lib/libc.so.7 > #3 0x0000000800a84a3d in nsdispatch () from /lib/libc.so.7 > #4 0x0000000800a50976 in getpwent_r () from /lib/libc.so.7 > #5 0x0000000800a50596 in sysctlbyname () from /lib/libc.so.7 > #6 0x0000000000406c6d in machine_init (statics=0x7fffffffea30, > do_unames=1 '\001') > at /usr/src/usr.bin/top/machine.c:257 > #7 0x0000000000407a10 in main (argc=1, argv=0x7fffffffeb08) > at /usr/src/usr.bin/top/../../contrib/top/top.c:458 > > I'm using nss_ldapd-0.7.2 and there's no way to live without ldap... > > Any help highly appreciated! > > Thanks, > > -Harry >
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