From: Alexander Haubold
Date: July 28 2004 2:14pm
Subject: Re: Cluster on Solaris 9: Bus Error, Core Dump
List-Archive: http://lists.mysql.com/cluster/209
Message-Id: <6.0.1.1.2.20040728101146.038154c0@pop.columbia.edu>
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Hi Magnus,

Here is the config.ini I am using. It has been decimated to what I believe 
are the most generic options. I have also removed the "ByteOrder: Big" 
option under Computer.

Thanks for looking into this.

- Alex


[COMPUTER]
Id:1
HostName: icarus

[MGM]
Id:1
ExecuteOnComputer: 1
PortNumber: 10000

[DB DEFAULT]
NoOfReplicas: 2

[DB]
Id: 2
ExecuteOnComputer: 1
FileSystemPath: /usr/local/mysql/ndb/db-1/data

[API DEFAULT]
ArbitrationRank: 1

[API]
Id: 3
ExecuteOnComputer: 1



At 06:12 AM 7/28/2004, Magnus Svensson wrote:

>On Tue, 2004-07-27 at 20:37, Alexander Haubold wrote:
> > Hi once more,
> >
> > Here are some other observations related to the core dump:
> >
> > Starting mysql/libexec/ndbd works (with a reasonable error message and no
> > core dump) when:
> > - there is no Ndb.cfg or
> > - the Ndb.cfg has a wrong server/port entry or
> > - the management server is not running, but the Ndb.cfg entried are 
> correct.
> > When modifying the configuration to match the server and port number, the
> > core dump occurs.
>
>Hi,
>
>your observations are correct. The error occurs when ndbd connects to
>ndb_mgmd and "sucessfully" retreives it's configuration. While unpacking
>the received "blob" which contains the configurations for ndbd a bus
>error occurs and the ndbd process will crash.
>
>We will make this into a bug report and investigate it further.
>
>If you want to try anything, then change your config.ini file to see if
>removing some of the entries in there will help. :) I have seen that
>removing the ByteOrder parameter could help.
>
>And maybe you can send us yout config.ini file to help debug the
>problem?
>
>Best regards
>Magnus
>
>
>
> >
> > Here are the 2 configurations I have tried for Ndb.conf:
> >
> > 1.
> > nodeid=1; host=localhost:10000
> >
> > 2.
> > OwnProcessId 2
> > localhost 10000
> >
> > The management server is running on port 10000.
> >
> > Any new ideas?
> >
> > Thanks.
> >
> > - Alex
> >
> >
> > At 04:21 AM 7/23/2004, Magnus Svensson wrote:
> > >On Fri, 2004-07-23 at 09:30, Alexander Haubold wrote:
> > > > Hello,
> > > >
> > > > I have now built the latest version of MySQL cluster, but without
> > > > --with-debug. In my previous post I have mentioned that an error occurs
> > > > when compiling ndb/src/kernel/vm/Emulator.cpp related to the function
> > > > "signal". This error occurs only when --with-debug is passed to 
> configure.
> > > > Without it, the package compiles.
> > > > However, even with the newest version, the core dump still remains when
> > > > running ndbd. Perhaps this is related to the "signal" error when using
> > > > --with-debug?! Can someone suggest a way to get some more debugging
> > > > information beyond a core dump? Unfortunately, I am unfamilar with 
> strace,
> > > > and running it produces the output "ERROR: tracer already exists".
> > > >
> > > > Any help would be appreciated.
> > >
> > >Hi,
> > >
> > >a core dump is the most exact way to disagnose that kind of crash.
> > >
> > >Please do:
> > >gdb <path>/ndbd core
> > >
> > >Then when gdb starts:
> > >(gdb) bt
> > >
> > >and send the result of the backtrace to the list.
> > >
> > >Best regards
> > >Magnus
> > >
> > >
> > > >
> > > > Thanks.
> > > >
> > > > - Alex
> > > >
> > > > At 04:29 PM 7/20/2004, Mark Kim wrote:
> > > > >How recently did you pull mysql cluster down from bitkeeper?  Also,
> > > did you
> > > > >configure it with debug (--with-debug) turned on (if you compiled 
> with
> > > gcc) or
> > > > >run it with strace?   Could you send us the output of either?
> > > > >
> > > > >Mark
> > > > >
> > > > >Alexander Haubold wrote:
> > > > >
> > > > > > Hi everyone,
> > > > > >
> > > > > > I, too, am having problems getting MySQL Cluster (4.1.4) to run on
> > > > > > Sparc/Solaris 9. While the management server starts just fine, 
> ndbd
> > > appears
> > > > > > to not work. The error is simply:
> > > > > > Bus Error (core dumped)
> > > > > >
> > > > > > On a side note, typing in the command "SHOW PARAMETERS" on the
> > > management
> > > > > > server prompt results in the following:
> > > > > > _mgmtSrvr.getConfigInfo()->print;
> > > > > >
> > > > > > Any suggestions would be welcome.
> > > > > >
> > > > > > Thanks.
> > > > > >
> > > > > > - Alex
> > > > > >
> > > > > > -+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-
> > > > > > +-+-+-+-+-
> > > > > > Alexander Haubold
> > > > > > Columbia University - SEAS 2001, 2003
> > > > > >
> > > > > > 362 Riverside Dr. #5B3
> > > > > > New York, NY 10025
> > > > > >
> > > > > > Phone: +212-853-8239
> > > > > > Email: ah297@stripped
> > > > > > WWW: http://www.aquaphoenix.com
> > > > > >
> > > > > > --
> > > > > > MySQL Cluster Mailing List
> > > > > > For list archives: http://lists.mysql.com/cluster
> > > > > > To 
> unsubscribe:    http://lists.mysql.com/cluster?unsub=markk@stripped
> > > > >
> > > > >
> > > > >--
> > > > >MySQL Cluster Mailing List
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> > > > >To 
> unsubscribe:    http://lists.mysql.com/cluster?unsub=ah297@stripped
> > > >
> > > > -+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-
> > > > Alexander Haubold
> > > > Columbia University - SEAS 2001, 2003
> > > >
> > > > 362 Riverside Dr. #5B3
> > > > New York, NY 10025
> > > >
> > > > Phone: +212-853-8239
> > > > Email: ah297@stripped
> > > > WWW: http://www.aquaphoenix.com
> > >--
> > >Magnus Svensson, Software Engineer
> > >MySQL AB, www.mysql.com
> > >Office: +46 709 164 491
> > >
> > >
> > >--
> > >MySQL Cluster Mailing List
> > >For list archives: http://lists.mysql.com/cluster
> > >To unsubscribe:    http://lists.mysql.com/cluster?unsub=ah297@stripped
> >
> > -+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-
> > Alexander Haubold
> > Columbia University - SEAS 2001, 2003
> >
> > 362 Riverside Dr. #5B3
> > New York, NY 10025
> >
> > Phone: +212-853-8239
> > Email: ah297 [at] columbia [dot] edu
> > WWW: http://www.aquaphoenix.com
>--
>Magnus Svensson, Software Engineer
>MySQL AB, www.mysql.com
>Office: +46 709 164 491
>
>
>--
>MySQL Cluster Mailing List
>For list archives: http://lists.mysql.com/cluster
>To unsubscribe:    http://lists.mysql.com/cluster?unsub=ah297@stripped

-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-
Alexander Haubold
Columbia University - SEAS 2001, 2003

362 Riverside Dr. #5B3
New York, NY 10025

Phone: +212-853-8239
Email: ah297 [at] columbia [dot] edu
WWW: http://www.aquaphoenix.com