Hello Gavin, I tested the kernel and it is fixing this issue.
uname -a Linux reg-l-vrt-036-007 3.19.0-23-generic #24-Ubuntu SMP Tue Jul 7 18:52:55 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux # ethtool -t eth1 The test result is PASS The test extra info: Interrupt Test 0 Link Test 0 Speed Test 0 Register Test 0 Loopback Test 0 # lspci -d 15b3: 00:05.0 Network controller: Mellanox Technologies MT27500 Family [ConnectX-3] # ethtool -i eth1 driver: mlx4_en version: 2.2-1 (Feb 2014) firmware-version: 2.34.5000 bus-info: 0000:00:05.0 supports-statistics: yes supports-test: yes supports-eeprom-access: no supports-register-dump: no supports-priv-flags: yes Thanks, Kamal -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1432848 Title: ethtool -t ethX failing with Ubuntu 15.04 (3.19.0-8-generic) (Mellanox) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/libmlx4/+bug/1432848/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
