** Description changed: + == SRU Justification == + + Impact: See below + + Fix: Upstream commit from v6.4-rc4 cherry-picked into 5.19 and 6.2 + + Test case: Check of sysfs running Xen. + + Regression potential: Change adds additional calls to populate sysfs + related to MSI devices. Any issues would be withing those limits. + + --- Original Description --- + Let's say you launch a Xen-based EC2 instance with enhanced networking, then under kernel-5.19 you'll not see anything under $ ls /sys/class/net/ens3/device/msi_irqs/ - This can be fixed by backporting + This can be fixed by backporting https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=335b4223466dd75f9f3ea4918187afbadd22e5c8 (It got already backported to 6.1 and 6.3) With this patch applied, you'll correctly see the sysfs files: $ ls /sys/class/net/ens3/device/msi_irqs/ 690 691 692 693 694 695 696 697 698
-- 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/2022354 Title: sysfs msi_irqs directory empty with kernel-5.19 when being a xen guest Status in linux package in Ubuntu: Confirmed Status in linux source package in Kinetic: In Progress Status in linux source package in Lunar: In Progress Bug description: == SRU Justification == Impact: See below Fix: Upstream commit from v6.4-rc4 cherry-picked into 5.19 and 6.2 Test case: Check of sysfs running Xen. Regression potential: Change adds additional calls to populate sysfs related to MSI devices. Any issues would be withing those limits. --- Original Description --- Let's say you launch a Xen-based EC2 instance with enhanced networking, then under kernel-5.19 you'll not see anything under $ ls /sys/class/net/ens3/device/msi_irqs/ This can be fixed by backporting https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=335b4223466dd75f9f3ea4918187afbadd22e5c8 (It got already backported to 6.1 and 6.3) With this patch applied, you'll correctly see the sysfs files: $ ls /sys/class/net/ens3/device/msi_irqs/ 690 691 692 693 694 695 696 697 698 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2022354/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
