[Monetdb-developers] MonetDB4 server (Mserver) crash on solaris 10

Niels Nes Niels.Nes at cwi.nl
Wed Sep 19 18:34:18 CEST 2007


On Wed, Sep 19, 2007 at 03:45:09PM +0200, Fabian Groffen wrote:
> On 18-09-2007 06:33:15 -0700, xxiao wrote:
> > 
> > hi, Stefan
> > 
> > thanks a lot for your quick response.
> > 
> > I tried mserver5 as you suggested. mserver5 starts up and runs without any
> > problems as far as I can see. 
> 
> Just a follow up, it appears mserver5 is not working at all with sql any
> more for some reason:
> 
> # MonetDB server v5.3.0, based on kernel v1.21.0
> # Serving database 'demo'
> # Compiled for sparc-sun-solaris2.10/32bit with 32bit OIDs dynamically linked
> # Copyright (c) 1993-2007 CWI, all rights reserved
> # Visit http://monetdb.cwi.nl/ for further information
> #warning: please don't forget to set your vault key!
> #(see /scratch/monetdb-fabian/current/program-sun4u/etc/monetdb5.conf)
> include sql;
> [New LWP    3        ]
> # Listening for connection requests on mapi:monetdb://127.0.0.1:50000/
> >include sql;
> # MonetDB/SQL module v2.21.0 loaded
> >sql.start();
> >select * from tables;
> 
> Program received signal SIGSEGV, Segmentation fault.
> [Switching to Thread 1 (LWP 1)]
> QOTupdateStatistics (nme=<value optimized out>, actions=0, val=43)
>     at /scratch/monetdb-fabian/current/five/src/optimizer/opt_statistics.mx:158
> 158             *lp= *lp+ val;
> (gdb) p val
> $1 = 43
> (gdb) p lp
> $2 = (lng *) 0x8f0e54
> (gdb) p *lp
> $3 = 3688618971
> (gdb) quit
> The program is running.  Exit anyway? (y or n) y

Could you check if this is a stack overflow problem. The optimizers in
m5 do alot of allocas.

Niels
> 
> 
> (build-sol10:five/src/modules) fabian% run_five --version
> MonetDB server v5.3.0 (32-bit), based on kernel v1.21.0 (32-bit oids)
> Copyright (c) 1993-2007 CWI, all rights reserved
> Visit http://monetdb.cwi.nl/ for further information
> Configured for prefix: /scratch/monetdb-fabian/current/program-sun4u
> Libraries:
>   libpcre: 7.3 2007-08-28 (compiled with 7.3)
>   openssl: OpenSSL 0.9.8e 23 Feb 2007 (compiled with OpenSSL 0.9.8e 23 Feb 2007)
> Compiled by: fabian at build-sol10
> Compilation: sparc-sun-solaris2.10-gcc -mcpu=ultrasparc -mtune=ultrasparc -pipe
> -g -O2 -W -Wall -D__EXTENSIONS__ -std=c99 -fgnu89-inline -Werror
> Linking    : /scratch/gentoo/usr/sparc-sun-solaris2.10/bin/ld
> 
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-- 

Niels Nes, Centre for Mathematics and Computer Science (CWI)
Kruislaan 413, 1098 SJ Amsterdam, The Netherlands
room C0.02,  phone ++31 20 592-4098, fax ++31 20 592-4312
url: http://www.cwi.nl/~niels   e-mail: Niels.Nes at cwi.nl




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