This bug is awaiting verification that the kernel in -proposed solves the problem. Please test the kernel and update this bug with the results. If the problem is solved, change the tag 'verification-needed- bionic' to 'verification-done-bionic'. If the problem still exists, change the tag 'verification-needed-bionic' to 'verification-failed- bionic'.
If verification is not done by 5 working days from today, this fix will be dropped from the source code, and this bug will be closed. See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to enable and use -proposed. Thank you! ** Tags added: verification-needed-bionic -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1793404 Title: hns3: Modifying channel parameters will reset ring parameters back to defaults Status in linux package in Ubuntu: Fix Committed Status in linux source package in Bionic: Fix Committed Status in linux source package in Cosmic: Fix Committed Bug description: [Impact] Changing the channel parameters of an hns3 device (ethtool -L) has an unintended side-effect of resetting the ring parameters back to their defaults. If a user has applied custom ring parameters (ethtool -G), they will be lost. [Test Case] Set custom ring parameters: $ sudo ethtool -G <hns3-dev> rx 512 tx 512 Verify the change: $ sudo ethtool -g <hns3-dev> Ring parameters for <hns3-dev>: Pre-set maximums: RX: 32768 RX Mini: 0 RX Jumbo: 0 TX: 32768 Current hardware settings: RX: 512 RX Mini: 0 RX Jumbo: 0 TX: 512 Now modify the ring parameters: sudo ethtool -L <hns3-dev> combined 4 And noticed that the channel parameters are now back at their defaults: $ sudo ethtool -g <hns3-dev> Ring parameters for <hns3-dev>: Pre-set maximums: RX: 32768 RX Mini: 0 RX Jumbo: 0 TX: 32768 Current hardware settings: RX: 1024 RX Mini: 0 RX Jumbo: 0 TX: 1024 [Fix] commit 128b900de7df567ca7ca063bf5da4ed0f357db8c Author: Yunsheng Lin <linyunsh...@huawei.com> Date: Tue Aug 14 17:13:16 2018 +0100 net: hns3: Fix desc num set to default when setting channel [Regression Risk] Localized to a single driver, tested on the one SoC that includes this device. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1793404/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp