El 19/3/19 a las 07:47, Stephan Guilloux escribió: > Hi there. > > Strange issue with NFSv4 this morning. > RPI3b+ with kernel 103 and fresh yum update, set up as NFSv4 client. > > Trying to copy a whole folder with a few GB (many .rpm & .tgz and a > few .img), from NFS mounted source to local filesystem. > (cd /shared.nfs ; tar c) | (cd /local ; tar x) > > After a while ... > - PING to the RPI works. > - SSH sessions got frozen and login is impossible, even with USB > keyboard on the RPI. > - Sometimes, I do see some kernel backtrace on the VGA, but not always. > As I have to switch off the RPI, there is nothing left in > /var/log/message when system is back. > > If I do this copy with full SSH, the copy works perfectly well. > (ssh xxx "cd /xxx ; tar c") | (cd /local ; tar x) > > I have the feeling that the system hangs often on the same huge file, > but when I do copy it manually, even in a loop ... nothin happens. > > Any idea ? > > Stephan, was 4.14.101 your last "good" kernel? We also have 4.14.103 and yesterday 4.14.106 was released. Pablo