** Description changed: [Impact] With specific ethtool commands, ethernet does not work [Test Case] + run VF on VM with 3G memory and load VF driver + ethtool -G eth0 tx 30000 rx 30000 + ethtool -G eth0 tx 24 rx 24;ethtool -L eth0 combined 1 + ethtool -G eth0 tx 32760 rx 32760 + ethtool -L eth0 combined 32 [Fix] 3a5a5f06d4d2 net: hns3: revert to old channel when setting new channel num fail [Regression Risk] Patch restricted to hns3 driver. - "[Bug Description] After setting new channel num, it needs free old ring memory and allocate new ring memory. If there is no enough memory and allocate new ring memory fail, the ring may initialize fail. To make sure the network interface can work normally, driver should revert the channel to the old configuration. [Steps to Reproduce] 1.run VF on VM with 3G memory 2.load VF driver 3.ethtool -G eth0 tx 30000 rx 30000 4.ethtool -G eth0 tx 24 rx 24;ethtool -L eth0 combined 1 5.ethtool -G eth0 tx 32760 rx 32760 6.ethtool -L eth0 combined 32 7.ping [Actual Results] netdevice can not work [Expected Results] ping ok [Reproducibility] Inevitably [Additional information] Hardware: D06 Firmware: NA Kernel: NA [Resolution] Revert the channel to the old configuration when allocate new ring memory fail."
** Description changed: [Impact] With specific ethtool commands, ethernet does not work [Test Case] run VF on VM with 3G memory and load VF driver ethtool -G eth0 tx 30000 rx 30000 ethtool -G eth0 tx 24 rx 24;ethtool -L eth0 combined 1 ethtool -G eth0 tx 32760 rx 32760 ethtool -L eth0 combined 32 + ethernet shall still be functional after these commands [Fix] 3a5a5f06d4d2 net: hns3: revert to old channel when setting new channel num fail [Regression Risk] Patch restricted to hns3 driver. "[Bug Description] After setting new channel num, it needs free old ring memory and allocate new ring memory. If there is no enough memory and allocate new ring memory fail, the ring may initialize fail. To make sure the network interface can work normally, driver should revert the channel to the old configuration. [Steps to Reproduce] 1.run VF on VM with 3G memory 2.load VF driver 3.ethtool -G eth0 tx 30000 rx 30000 4.ethtool -G eth0 tx 24 rx 24;ethtool -L eth0 combined 1 5.ethtool -G eth0 tx 32760 rx 32760 6.ethtool -L eth0 combined 32 7.ping [Actual Results] netdevice can not work [Expected Results] ping ok [Reproducibility] Inevitably [Additional information] Hardware: D06 Firmware: NA Kernel: NA [Resolution] Revert the channel to the old configuration when allocate new ring memory fail." -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1853983 Title: [hns-1126]net: hns3: revert to old channel when setting new channel num fail To manage notifications about this bug go to: https://bugs.launchpad.net/kunpeng920/+bug/1853983/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs