Date: Sun, 29 Nov 2009 13:14:43 +0000 From: Anton Shterenlikht <mexas@bristol.ac.uk> To: Marcel Moolenaar <xcllnt@mac.com> Cc: freebsd-current@freebsd.org, freebsd-ia64@freebsd.org Subject: Re: nslookup dumps core on ia64 HEAD Message-ID: <20091129131443.GA7194@mech-cluster241.men.bris.ac.uk> In-Reply-To: <0DBED408-D602-4333-BEF6-FC0DA700730D@mac.com> References: <20091126091456.GA93898@mech-cluster241.men.bris.ac.uk> <7A71CC85-4189-405A-BD9E-5BFF2C04D5C2@mac.com> <20091127102200.GB3108@mech-cluster241.men.bris.ac.uk> <0DBED408-D602-4333-BEF6-FC0DA700730D@mac.com>
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On Fri, Nov 27, 2009 at 10:13:34AM -0800, Marcel Moolenaar wrote:
>
> On Nov 27, 2009, at 2:22 AM, Anton Shterenlikht wrote:
>
> > On Thu, Nov 26, 2009 at 09:44:29AM -0800, Marcel Moolenaar wrote:
> >>
> >> On Nov 26, 2009, at 1:14 AM, Anton Shterenlikht wrote:
> >>
> >>>> nslookup 113.105.65.7
> >>> Server: 137.222.10.36
> >>> Address: 137.222.10.36#53
> >>>
> >>> ** server can't find 7.65.105.113.in-addr.arpa.: NXDOMAIN
> >>>
> >>> /usr/src/lib/bind/isc/../../../contrib/bind9/lib/isc/task.c:1023: fatal error: RUNTIME_CHECK(((pthread_mutex_destroy(((&manager->lock))) == 0) ? 0 : 34) == 0) failed
> >>> Abort (core dumped)
> >>
> >> Recompile with -O0 and see if the problem goes away. If yes, it's
> >> a compiler bug -- I haven't looked at it, because I assume it's a
> >> compiler bug.
> >
> > As /usr/bin/nslookup is part of the base system, do you recommend using
> >
> > CFLAGS= -O0
> >
> > in /etc/make.conf ?
>
> No, that's too much pessimization. On top of that, it expose other compiler
> bugs. Just recompile the suspect binary and/or libraries with "-O0 -g" and
> install them seperately, like so:
> % cd /usr/src/lib/bind/isc
> % make cleandir; make cleandir
> % make obj
> % make depend
> % make DEBUG_FLAGS="-O0 -g"
> % sudo make install
>
> To find out which libraries a binary uses, do:
> % ldd /usr/bin/nslookup
>
> For code in the base system, I typically try to find a work-around so that
> we can compile with the default flags.
I did just exactly what you wrote, but not sure I got there, because
nslookup is still dated 2 weeks ago:
> ls -al /usr/bin/nslookup
-r-xr-xr-x 1 root wheel 3568440 13 Nov 16:16 /usr/bin/nslookup
>
and the results are mixed: sometimes it works, and sometimes it
doesn't:
TZAV> nslookup bris.ac.uk
Server: 137.222.10.36
Address: 137.222.10.36#53
Name: bris.ac.uk
Address: 137.222.10.86
/usr/src/lib/bind/isc/../../../contrib/bind9/lib/isc/task.c:1023: fatal error: RUNTIME_CHECK(((pthread_mutex_destroy(((&manager->lock))) == 0) ? 0 : 34) == 0) failed
Abort (core dumped)
TZAV> nslookup altavista.com
Server: 137.222.10.36
Address: 137.222.10.36#53
Non-authoritative answer:
Name: altavista.com
Address: 68.180.206.184
Name: altavista.com
Address: 206.190.60.37
/usr/src/lib/bind/isc/../../../contrib/bind9/lib/isc/task.c:1023: fatal error: RUNTIME_CHECK(((pthread_mutex_destroy(((&manager->lock))) == 0) ? 0 : 34) == 0) failed
Abort (core dumped)
TZAV> nslookup google.com
Server: 137.222.10.36
Address: 137.222.10.36#53
Non-authoritative answer:
Name: google.com
Address: 74.125.67.100
Name: google.com
Address: 74.125.45.100
Name: google.com
Address: 74.125.53.100
TZAV> nslookup altavista.com
Server: 137.222.10.36
Address: 137.222.10.36#53
Non-authoritative answer:
Name: altavista.com
Address: 206.190.60.37
Name: altavista.com
Address: 68.180.206.184
/usr/src/usr.bin/nslookup/../../contrib/bind9/bin/dig/dighost.c:3508: fatal error: RUNTIME_CHECK(((pthread_mutex_destroy(((&lookup_lock))) == 0) ? 0 : 34) == 0) failed
Abort (core dumped)
TZAV> nslookup altavista.com
Server: 137.222.10.36
Address: 137.222.10.36#53
Non-authoritative answer:
Name: altavista.com
Address: 206.190.60.37
Name: altavista.com
Address: 68.180.206.184
/usr/src/lib/bind/isc/../../../contrib/bind9/lib/isc/task.c:1023: fatal error: RUNTIME_CHECK(((pthread_mutex_destroy(((&manager->lock))) == 0) ? 0 : 34) == 0) failed
Abort (core dumped)
TZAV> nslookup 113.105.65.7
Server: 137.222.10.36
Address: 137.222.10.36#53
** server can't find 7.65.105.113.in-addr.arpa.: NXDOMAIN
TZAV> nslookup altavista.com
Server: 137.222.10.36
Address: 137.222.10.36#53
Non-authoritative answer:
Name: altavista.com
Address: 68.180.206.184
Name: altavista.com
Address: 206.190.60.37
TZAV> nslookup altavista.com
Server: 137.222.10.36
Address: 137.222.10.36#53
Non-authoritative answer:
Name: altavista.com
Address: 206.190.60.37
Name: altavista.com
Address: 68.180.206.184
/usr/src/lib/bind/isc/../../../contrib/bind9/lib/isc/task.c:1023: fatal error: RUNTIME_CHECK(((pthread_mutex_destroy(((&manager->lock))) == 0) ? 0 : 34) == 0) failed
Abort (core dumped)
TZAV> nslookup 113.105.65.7
Server: 137.222.10.36
Address: 137.222.10.36#53
** server can't find 7.65.105.113.in-addr.arpa.: NXDOMAIN
TZAV> nslookup altavista.com
Server: 137.222.10.36
Address: 137.222.10.36#53
Non-authoritative answer:
Name: altavista.com
Address: 68.180.206.184
Name: altavista.com
Address: 206.190.60.37
/usr/src/lib/bind/isc/../../../contrib/bind9/lib/isc/timer.c:906: fatal error: RUNTIME_CHECK(((pthread_mutex_destroy(((&manager->lock))) == 0) ? 0 : 34) == 0) failed
Abort (core dumped)
TZAV>
TZAV> nslookup google.com
Server: 137.222.10.36
Address: 137.222.10.36#53
Non-authoritative answer:
Name: google.com
Address: 74.125.53.100
Name: google.com
Address: 74.125.67.100
Name: google.com
Address: 74.125.45.100
/usr/src/lib/bind/isc/../../../contrib/bind9/lib/isc/task.c:1023: fatal error: RUNTIME_CHECK(((pthread_mutex_destroy(((&manager->lock))) == 0) ? 0 : 34) == 0) failed
Abort (core dumped)
TZAV> nslookup shef.ac.uk
Server: 137.222.10.36
Address: 137.222.10.36#53
Non-authoritative answer:
Name: shef.ac.uk
Address: 143.167.2.101
Looking at:
# ldd /usr/bin/nslookup
/usr/bin/nslookup:
libcrypto.so.6 => /lib/libcrypto.so.6 (0x20000000403fc000)
libthr.so.3 => /lib/libthr.so.3 (0x20000000406c0000)
libc.so.7 => /lib/libc.so.7 (0x20000000406fe000)
I wonder if I also have to rebuild in
/usr/src/secure/lib (for libthr.so) ?
/usr/src/lib (for libc.so) ?
--
Anton Shterenlikht
Room 2.6, Queen's Building
Mech Eng Dept
Bristol University
University Walk, Bristol BS8 1TR, UK
Tel: +44 (0)117 331 5944
Fax: +44 (0)117 929 4423
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