I get this error quite often and in most cases, setting the environment variable LC_LANG and LC_ALL has solved this problem. Please try this, but I'm not sure about the exact case of you. 

http://stackoverflow.com/questions/26001468/starting-database-failed-in-monetdb 

Thanks & Regards,

Vijayakrishna.P.
Mobile : (+91) 9500402305.

On Sun, Jul 3, 2016 at 5:58 AM, Martin Kersten <martin@monetdb.org> wrote:

Indeed, for that you have to re-compile with --enable-debug

On 03/07/16 02:02, Ariel Abadi wrote:

Hi Martin
Im not been able to start it with your  code...

Regarding the space there is a lot of free space..

This is what I get:
gdb --args /usr/bin/mserver5 --dbpath=/opt/monetdb/CUSTOMERnew/sb_traf --set merovingian_uri=mapi:monetdb://CUSTOMER-monetbd:54321/sb_traf --set mapi_open=false --set mapi_port=0 --set mapi_usock=/opt/monetdb/CUSTOMERnew/sb_traf/.mapi.sock --set
monet_vault_key=/opt/monetdb/CUSTOMERnew/sb_traf/.vaultkey --set gdk_nr_threads=8 --set max_clients=64 --set sql_optimizer=default_pipe --set monet_daemon=yes --dbinit="sql.start();"
GNU gdb (GDB) Red Hat Enterprise Linux 7.6.1-80.el7
Copyright (C) 2013 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-redhat-linux-gnu".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>...
Reading symbols from /usr/bin/mserver5...Reading symbols from /usr/bin/mserver5...(no debugging symbols found)...done.
(no debugging symbols found)...done.
Missing separate debuginfos, use: debuginfo-install MonetDB5-server-11.21.19-20160405.el7.centos.x86_64

*/
/*
*/
/*
*/Ariel Abadi/*
Direct: +54 11 5279.2054
Mobile:+54 9 11 6050.0101
Email: aabadi@starconnecting.com <mailto:aabadi@starconnecting.com>
Web: www.starconnecting.com <http://www.starconnecting.com>

On Sat, Jul 2, 2016 at 8:20 PM, Martin Kersten <martin.kersten@cwi.nl <mailto:martin.kersten@cwi.nl>> wrote:

    Hi,
    On Linux you might try to start the server with the following command

    gdb --args /usr/bin/mserver5 --dbpath=/opt/monetdb/CUSTOMERnew/sb_traf --set merovingian_uri=mapi:monetdb://CUSTOMER-monetbd:54321/sb_traf --set mapi_open=false --set mapi_port=0 --set mapi_usock=/opt/monetdb/CUSTOMERnew/sb_traf/.mapi.sock --set
      monet_vault_key=/opt/monetdb/CUSTOMERnew/sb_traf/.vaultkey --set gdk_nr_threads=8 --set max_clients=64 --set sql_optimizer=default_pipe --set monet_daemon=yes --dbinit="sql.start();"

    This at least could give you a stack trace where the segfault occurs, which
    helps in determining the cause.

    Furthermore, you might check your free diskspace and the size of the sql_logs directory in the dbfarm/<database>

    regards, Martin
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