Re: using blcr on program with fork

From: Andrea Autiero S143785 (
Date: Wed Feb 25 2009 - 00:48:31 PST

  • Next message: Andrea Autiero S143785: "Re: using blcr on program with fork"
    i'll send you a file with the output of dmesg command..
    now i try a simplest program to make it work..
    which system logs files i've to look in?
    On Mon, 23 Feb 2009 13:50:39 -0800, "Paul H. Hargrove" <PHHargrove_at_lbl_dot_gov>
    > Andrea,
    >   I cannot tell from the information you have provided what the problem 
    > might be.  If I construct a simple example program that behaves as you 
    > describe, and I compile it as you describe, then I am able to checkpoint 
    > it and restart it just fine.
    >   Could you please check the output of the "dmesg" command and/or your 
    > system logs to see if there are any kernel messages that might help 
    > explain the failure.
    > -Paul
    > Andrea Autiero S143785 wrote:
    >> hi!
    >> it's me another time..
    >> after made statically linked file with blcr I've got another problem..
    >> I'm trying to checkpoint a program after it forks twice
    >> then from another shell (but in the future it will be done by the
    >> itself)
    >> i try to checkpoint it and the answer is:
    >>  >ps -a
    >>    PID TTY          TIME CMD
    >>    5878 pts/0    00:00:00 controller
    >>    5879 pts/0    00:00:02 controller
    >>    5880 pts/0    00:00:02 controller
    >>    5881 pts/1    00:00:00 ps
    >>  >cr_checkpoint 5878
    >> Checkpoint failed: Invalid argument
    >> 5878 is the father..
    >> i've compiled it by 
    >>     >gcc -o controller controller.c -L/usr/local/lib/ -lcr_run -u
    >> cr_run_link_me -ldl -lpthread
    >>     >nm controller | grep _link_me
    >>          U cr_run_link_me
    >> (now is not statically linked because I'm trying on a pc and not on an
    >> embedded system, but is in the last one that it must work)
    >> why it do this?could you help me to make it works?
    >> thanks..
    >> have a good day
    >> Andrea Autiero

  • Next message: Andrea Autiero S143785: "Re: using blcr on program with fork"