From: Jerry Mersel (jerry.mersel_at_weizmann.ac.il)
Date: Sun Jul 08 2007 - 00:05:16 PDT
Hi:
Thanks for your advice(s) but it didn't seem to help.
I ran matlab like this:
cr_run env LD_PRELOAD=libcr.so.0:libpthread.so.0 matlab
-nodisplay -nosplash -nojvm&
then:
cr_checkpoint --tree --kill <process-id>
cr_restart ./context.<process-id>
I still got resource not available.
Regards,
Jerry
Paul H. Hargrove wrote:
>Jerry,
> I am sorry to hear it is not working as you had hoped. Unfortunately
>there is little I can do to help debug the problem myself, since I have
>no machines for which I have both a Matlab license and root access to
>install BLCR. However, I can make a few suggestions for things you
>might try:
>
>1) Run cr_checkpoint with the --tree option to ensure all of the
>children of the main matlab process are checkpointed too. By default
>cr_checkpoint saves only a single process, though it is likely that
>--tree will become the default in a future release.
>2) Run matlab with the -nodisplay option. The connection to the X
>server is one resource I can guarantee won't restore correctly.
>3) Try the most recent BLCR snaphot available at
>http://mantis.lbl.gov/blc-dist/snapshots, which adds/improves support
>for various shared memory and unlinked-tempfile tricks that matlab might
>be using.
>4) Check your syslog and/or dmesg output to see if there is some message
>from BLCR that may indicate what resource is unavailable.
>5) Finally, if you configure BLCR with --enable-debug then it will
>generate additional debug messages from the kernel (to syslog and/or
>dmesg) that may indicate the origin of the "resource unavailable" if you
>didn't find anything there in #4.
>
>If #4 or #5 turn up any log messages that look related, please send them
>to me and I'll try to make sense of them for you.
>
>I am afraid, however, that matlab may have an open socket to a license
>server. Since BLCR doesn't restore sockets, it is possible that this
>could be the problem and there would me no easy way to resolve it.
>
>
>-Paul
>
>
>Jerry Mersel wrote:
>
>
>>Hi Paul:
>>
>> I tried matlab with BLCR and I got the error resources not available
>>when I wnated to restart
>>matlab. I thought it had something to do with the PID's but I checked
>>and all the PIDs that matlab
>>used were free. So I'm not sure what was ca_using the problem.
>>
>>Regards,
>> Jerry_
>>
>>Paul H. Hargrove wrote:
>>
>>
>>
>>>Jerry Mersel wrote:
>>>
>>>
>>>
>>>>Does berkeley checkpoint/restart work with matlab?
>>>>
>>>>
>>>Jerry,
>>>
>>>I am not aware of any reports (positive or negative) of BLCR used with
>>>Matlab, and am not in a position to make the tests myself.
>>>If you are able to try checkpoint/restart of Matlab, I'd appreciate
>>>hearing about your results, either success or failure.
>>>
>>>-Paul
>>>
>>>
>>>
>
>
>
>