I can confirm the same NFS crashes on my Ubuntu Server 12.04 NAS with the hardware RAID5 (3ware 9750-24i4e). I would rate this as a catastrofic bug and surprised there were no activity on it for years. I personally certainly do not enjoy repairing a 40-TB filesystem after regular crashes.
# uname -a Linux yuka 3.2.0-26-generic #41-Ubuntu SMP Thu Jun 14 17:49:24 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux # dpkg -l | grep nfs ii libnfsidmap2 0.25-1ubuntu2 NFS idmapping library ii nfs-common 1:1.2.5-3ubuntu3 NFS support files common to client and server ii nfs-kernel-server 1:1.2.5-3ubuntu3 support for NFS kernel server # lspci | grep Ethernet 02:00.0 Ethernet controller: Intel Corporation 82576 Gigabit Network Connection (rev 01) 02:00.1 Ethernet controller: Intel Corporation 82576 Gigabit Network Connection (rev 01) 03:00.0 Ethernet controller: Intel Corporation 82576 Gigabit Network Connection (rev 01) 03:00.1 Ethernet controller: Intel Corporation 82576 Gigabit Network Connection (rev 01) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/661294 Title: System lock-up when receiving large files over a Realtek NIC (big data amount) from NFS server To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/661294/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
