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- yakkety' to 'verification-done-yakkety'. If the problem still exists, change the tag 'verification-needed-yakkety' to 'verification-failed- yakkety'.
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! -- 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/1625318 Title: Ubuntu 16.10 KVM SRIOV: if enable sriov while ping flood is running ping will stop working Status in linux package in Ubuntu: Fix Released Status in linux source package in Xenial: Fix Committed Status in linux source package in Yakkety: Fix Committed Status in linux source package in Zesty: Fix Released Bug description: ---Problem Description--- If I enable SRIOV in a Mellanox CX4 card while a PF interface is doing something like a ping flood. The PF interface will stop pinging. We found a small window were MMIO are bein g disabled during pci_enable_sriov is called. ---uname output--- 4.4.0-30-generic ---Additional Hardware Info--- It needs a Mellanox CX4 SRIOV capable to recreate this issue Machine Type = P8 ---Steps to Reproduce--- just configure the IP address of PF interface and start like a ping flood to that interface. then do this echo to enable SRIOV on the PF. echo 8 > /sys/class/net/enP1p1s0f0/device/sriov_numvfs Then you will notice the ping flood will stop. A patch that will fix this issue was sent for review: https://patchwork.ozlabs.org/patch/671517/ To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1625318/+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
