Public bug reported: [Impact]
Microsoft has requested us to backport the following bugfix, currently in the netdev tree: 8af174ea863c net: mana: Fix race of mana_hwc_post_rx_wqe and new hwc response https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=8af174ea863c72f25ce31cee3baad8a301c0cf0f [Fix] Clean cherry-pick from the netdev tree to the {oracular,noble,jammy}:linux-azure trees. [Test plan] Build and boot tested. [Where problems could occur] This seems to have a low risk of regression, since it's just making sure to finish posting an RX workqueue event before waiting for completion in order to avoid a race condition with the hardware. However, any regressions here would likely impact users as MANA-related errors/timeouts. [Other info] SF #00393766 ** Affects: linux-azure (Ubuntu) Importance: High Assignee: Vinicius Peixoto (vpeixoto) Status: New ** Affects: linux-azure (Ubuntu Jammy) Importance: High Assignee: Vinicius Peixoto (vpeixoto) Status: New ** Affects: linux-azure (Ubuntu Noble) Importance: High Assignee: Vinicius Peixoto (vpeixoto) Status: New ** Affects: linux-azure (Ubuntu Oracular) Importance: High Assignee: Vinicius Peixoto (vpeixoto) Status: New ** Changed in: linux-azure (Ubuntu) Assignee: (unassigned) => Vinicius Peixoto (vpeixoto) ** Also affects: linux-azure (Ubuntu Jammy) Importance: Undecided Status: New ** Also affects: linux-azure (Ubuntu Noble) Importance: Undecided Status: New ** Also affects: linux-azure (Ubuntu Oracular) Importance: Undecided Assignee: Vinicius Peixoto (vpeixoto) Status: New ** Changed in: linux-azure (Ubuntu Jammy) Assignee: (unassigned) => Vinicius Peixoto (vpeixoto) ** Changed in: linux-azure (Ubuntu Noble) Assignee: (unassigned) => Vinicius Peixoto (vpeixoto) ** Changed in: linux-azure (Ubuntu Jammy) Importance: Undecided => High ** Changed in: linux-azure (Ubuntu Noble) Importance: Undecided => High ** Changed in: linux-azure (Ubuntu Oracular) Importance: Undecided => High -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-azure in Ubuntu. https://bugs.launchpad.net/bugs/2078001 Title: Backport "net: mana: Fix race of mana_hwc_post_rx_wqe and new hwc response" Status in linux-azure package in Ubuntu: New Status in linux-azure source package in Jammy: New Status in linux-azure source package in Noble: New Status in linux-azure source package in Oracular: New Bug description: [Impact] Microsoft has requested us to backport the following bugfix, currently in the netdev tree: 8af174ea863c net: mana: Fix race of mana_hwc_post_rx_wqe and new hwc response https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=8af174ea863c72f25ce31cee3baad8a301c0cf0f [Fix] Clean cherry-pick from the netdev tree to the {oracular,noble,jammy}:linux-azure trees. [Test plan] Build and boot tested. [Where problems could occur] This seems to have a low risk of regression, since it's just making sure to finish posting an RX workqueue event before waiting for completion in order to avoid a race condition with the hardware. However, any regressions here would likely impact users as MANA- related errors/timeouts. [Other info] SF #00393766 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-azure/+bug/2078001/+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
