Hi Tao, Sourabh, >> thank you for testing! sorry one more thing, >> does --num-threads=1 break the vmcore? > > Yes:
Thank you for testing and information, certainly the race occurs between the main and sub-thread, I will check the code again. If you could determine how it breaks the vmcore, please let me know. It will be better to add the scenario to the commit log. Thanks, Kazu > > [root@ibm-p10-01-lp45 makedumpfile]# ./makedumpfile -d 31 -l ~/vmcore > /tmp/out7 > Copying data : [100.0 %] / > eta: 0s > > The dumpfile is saved to /tmp/out7. > > makedumpfile Completed. > [root@ibm-p10-01-lp45 makedumpfile]# ./makedumpfile --num-threads=1 -d > 31 -l ~/vmcore /tmp/out8 > Copying data : [100.0 %] - > eta: 0s > Copying data : [100.0 %] / > eta: 0s > > The dumpfile is saved to /tmp/out8. > > makedumpfile Completed. > [root@ibm-p10-01-lp45 makedumpfile]# cmp /tmp/out7 /tmp/out8 > /tmp/out7 /tmp/out8 differ: byte 11119019, line 49418 > >> >> Thanks, >> Kazu >
