Public bug reported: 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 ** Affects: linux-signed-aws-5.19 (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-signed-aws-5.19 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-signed-aws-5.19 package in Ubuntu: New Bug 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-signed-aws-5.19/+bug/2022354/+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
