This bug is awaiting verification that the linux-azure/6.5.0-1013.13 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-mantic-linux-azure' to 'verification-done- mantic-linux-azure'. If the problem still exists, change the tag 'verification-needed-mantic-linux-azure' to 'verification-failed-mantic- linux-azure'.
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: kernel-spammed-mantic-linux-azure-v2 verification-needed-mantic-linux-azure -- 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/2027615 Title: Azure: MANA: Fix doorbell access for receives Status in linux-azure package in Ubuntu: New Status in linux-azure source package in Jammy: Fix Released Status in linux-azure source package in Lunar: Fix Released Bug description: SRU Justification [Impact] It's inefficient to ring the doorbell page every time a WQE is posted to the received queue. Excessive MMIO writes result in CPU spending more time waiting on LOCK instructions (atomic operations), resulting in poor scaling performance. [Test Plan] MSFT tested. [Regression Potential] The MANA receive queue could stop. [Other Info] SF: #00363437 These 2 patches have been submitted for upstream inclusion. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-azure/+bug/2027615/+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
