[SCore-users-jp] [SCore-users] Re: [score-info] SCore - error - message: no SHMEM device

[kameyama ＠ pccluster.org]

In article <23CA00B4-E672-11D6-9617-0050E4C05556 ＠ iwr.uni-heidelberg.de> Martin Neisen <martin.neisen ＠ iwr.uni-heidelberg.de> wrotes:
> Hello,
> we are running
> Debian Linux 2.4.18
> Score 5.0.1
> Myrinet 2000
> 
> We have a problem concerning SHMEM device,
> see an extract of scored.messages :
> 
> **** begin of scored.messages - extract *******
> 17/Oct/2002 12:38:17 SYSLOG: Connected to syslog server (odin.cl1:9902)
> 17/Oct/2002 12:38:18 SYSLOG: /opt/score/deploy/scored
> 17/Oct/2002 12:38:18 SYSLOG: SCore-D 5.0.1 $Id: init.cc,v 1.66 
> 2002/02/13 04:18:40 hori Exp $
> 17/Oct/2002 12:38:18 SYSLOG: Compile option(s):
> 17/Oct/2002 12:38:18 SYSLOG: SCore-D network: myri/myrinet2k
> 17/Oct/2002 12:38:18 SYSLOG: <0> SCore-D:WARNING Number of 'smp' (2) is 
> reset to one since there is no SHMEM device.
> 17/Oct/2002 12:38:18 SYSLOG: <1> SCore-D:WARNING Number of 'smp' (2) is 
> reset to one since there is no SHMEM device.
> 17/Oct/2002 12:38:18 SYSLOG: <2> SCore-D:WARNING Number of 'smp' (2) is 
> reset to one since there is no SHMEM device.
> 
> 17/Oct/2002 12:38:18 SYSLOG: <67> SCore-D:WARNING Number of 'smp' (2) is 
> reset to one since there is no SHMEM device.
> 17/Oct/2002 12:38:18 SYSLOG2 <68> SCore-D:WARNING Nqmber of 'smp' (2) is 
> reset to one since there is no SHMAM device.
> 17/Oct/2002 12:38:18 SYSLOG: <69> SCore-D:WARNING Number of 'smp' (2) is 
> reset to one since there is no SHMEM device.

...

> Linux itself tells 2 processors activated.
> 
> Is there any idea what causes this behaviour of SCore ?

Please add shmem device in /opt/score/etc/scorehosts.db.
Please look at:
    /opt/score/doc/html/en/installation/sys-server.html
You must add following lines:
    shmem0		type=shmem -node=0
    shmem1		type=shmem -node=1
And add shmem0 and shmem1 network for each hosts entries.
    host0 .... network=myrinet,shmem0,shmem1...
                               ~~~~~~~~~~~~~

> What is the difference between SHMEM and SHMAM ?

I cannot find SHMAM string on our source files.

> Is there any tool or command to check the SHMEM device (status, 
> unload,..) ?

Special command is not found.
If the shmem device is loaded in the host,
     /proc/pm/shmem/info
is found.

If you want to test shmem device, please look at following:
    /opt/score/html/en/installation/pm-testshmem.html

                       from Kameyama Toyohisa
_______________________________________________
SCore-users mailing list
SCore-users ＠ pccluster.org
http://www.pccluster.org/mailman/listinfo/score-users