From the first days of July, I always had this problem with the mentioned project. All the tasks performed ended with errors and I did not know what I was doing wrong. It started since I changed the kernel in Ubuntu MATE 17.04 (from 4.10-ubuntu to 4.12-zen, made by Liquorix).
I stopped doing the WCG tasks on this machine until I discovered which bug was: Segmentation failures faults. I searched for some information about the given error, but the answer found was not related to WCG, but to Docker.
In this link I've found a solution: due to security improvements in Linux kernel, vsyscall was set to none by default in recent versions, causing segfaults in older software. Changing this parameter to vsyscall=emulate we can avoid the task failures in WCG.
I hope this will be useful for everyone. See you next time.
Hi @aglezabad thanks alot for the information even though I did not have the problem myself it is for sure very helpful for others! I like to crunch for WCG it is a super collection of projects where you are really on the cutting edge of science.
Keep on crunching folks !
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