------- Comment From cls...@us.ibm.com 2017-01-13 11:51 EDT------- Thanks Gavin for working in this set of patches.
Here are the upstream commits for this issue: >From f40ec3c748c6912f6266c56a7f7992de61b255ed Mon Sep 17 00:00:00 2001 From: Gavin Shan <gws...@linux.vnet.ibm.com> Date: Wed, 26 Oct 2016 12:15:35 +1100 Subject: PCI: Do any VF BAR updates before enabling the BARs >From 63880b230a4af502c56dde3d4588634c70c66006 Mon Sep 17 00:00:00 2001 From: Bjorn Helgaas <bhelg...@google.com> Date: Mon, 28 Nov 2016 11:19:27 -0600 Subject: PCI: Ignore BAR updates on virtual functions >From 45d004f4afefdd8d79916ee6d97a9ecd94bb1ffe Mon Sep 17 00:00:00 2001 From: Bjorn Helgaas <bhelg...@google.com> Date: Tue, 29 Nov 2016 08:14:47 -0600 Subject: PCI: Update BARs using property bits appropriate for type >From 6ffa2489c51da77564a0881a73765ea2169f955d Mon Sep 17 00:00:00 2001 From: Bjorn Helgaas <bhelg...@google.com> Date: Mon, 28 Nov 2016 09:15:52 -0600 Subject: PCI: Separate VF BAR updates from standard BAR updates >From 546ba9f8f22f71b0202b6ba8967be5cc6dae4e21 Mon Sep 17 00:00:00 2001 From: Bjorn Helgaas <bhelg...@google.com> Date: Mon, 28 Nov 2016 16:43:06 -0600 Subject: PCI: Don't update VF BARs while VF memory space is enabled >From 286c2378aaccc7343ebf17ec6cd86567659caf70 Mon Sep 17 00:00:00 2001 From: Bjorn Helgaas <bhelg...@google.com> Date: Mon, 28 Nov 2016 16:51:19 -0600 Subject: PCI: Remove pci_resource_bar() and pci_iov_resource_bar() >From 7a6d312b50e63f598f5b5914c4fd21878ac2b595 Mon Sep 17 00:00:00 2001 From: Bjorn Helgaas <bhelg...@google.com> Date: Mon, 28 Nov 2016 17:21:02 -0600 Subject: PCI: Decouple IORESOURCE_ROM_ENABLE and PCI_ROM_ADDRESS_ENABLE >From 0b457dde3cf8b7c76a60f8e960f21bbd4abdc416 Mon Sep 17 00:00:00 2001 From: Bjorn Helgaas <bhelg...@google.com> Date: Mon, 28 Nov 2016 16:17:41 -0600 Subject: PCI: Add comments about ROM BAR updating -- 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: Triaged 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 : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
