Dear yong I ecountered already with this error, the reasone of it may be :
You have not enough free space available on your disk and also you have to chech the scratch directory in outdire.(page 66 in user guide for quantum espresso version 4.1.1) -------------- next part -------------- An HTML attachment was scrubbed... URL: http://pwscf.org/pipermail/pw_forum/attachments/20130517/f1cd6445/attachment.html
