I cannot reproduce this. Copied a 3GB file from a USB attached HD to an NFS mount. 10 times in a loop, works just fine.
$ uname -a Linux rpi-3b-rev1d2-62e2 5.4.0-1011-raspi #11-Ubuntu SMP Fri May 8 07:43:33 UTC 2020 aarch64 aarch64 aarch64 GNU/Linux $ cat /proc/device-tree/model Raspberry Pi 3 Model B Rev 1.2 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1882213 Title: cp file from external HDD to NFS on Pi 3B causes ubuntu 19.10 and 20.04 kernel to hang To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-raspi/+bug/1882213/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
