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Subject: [dpdk-dev] [Bug 14] Kernel Crash bug of ixgbevf kernel module in
 "Intel(R) 10GbE PCI Express Virtual Function Driver Version: 4.0.3 Release:
 1" and the latest version
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https://dpdk.org/tracker/show_bug.cgi?id=3D14

            Bug ID: 14
           Summary: Kernel Crash bug of ixgbevf kernel module in "Intel(R)
                    10GbE PCI Express Virtual Function Driver Version:
                    4.0.3 Release: 1" and the latest version
           Product: DPDK
           Version: unspecified
          Hardware: All
                OS: Linux
            Status: CONFIRMED
          Severity: critical
          Priority: Normal
         Component: other
          Assignee: dev@dpdk.org
          Reporter: batmanustc@gmail.com
  Target Milestone: ---

Created attachment 3
  --> https://dpdk.org/tracker/attachment.cgi?id=3D3&action=3Dedit
vmcore-dmesg.txt

Hi all,

There is a kernel crash bug of ixgbevf kernel module in "Intel(R) 10GbE PCI
Express Virtual Function Driver Version: 4.0.3 Release: 1"

How to produce:
1. Use SRIOV, like this:
sudo /usr/local/share/openvswitch/scripts/dpdk_nic_bind --status

Network devices using DPDK-compatible driver
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
0000:01:00.0 'Ethernet Controller 10-Gigabit X540-AT2' drv=3Digb_uio unused=
=3Dixgbe
0000:01:00.1 'Ethernet Controller 10-Gigabit X540-AT2' drv=3Digb_uio unused=
=3Dixgbe

Network devices using kernel driver
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
0000:01:10.0 'X540 Ethernet Controller Virtual Function' if=3Denp1s16 drv=
=3Dixgbevf
unused=3Dbak,igb_uio
0000:01:10.1 'X540 Ethernet Controller Virtual Function' if=3Denp1s16f1
drv=3Dixgbevf unused=3Dbak,igb_uio
0000:08:00.0 'I350 Gigabit Network Connection' if=3Deth2 drv=3Digb unused=
=3Digb_uio
0000:08:00.1 'I350 Gigabit Network Connection' if=3Deth3 drv=3Digb unused=
=3Digb_uio

Other network devices
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
<none>

2. bond enp1s16 and enp1s16f1 into bond1, by /etc/sysconfig/ifcfg-bond1.
3. bond 0000:01:00.0 and 0000:01:00.1 in ovs-dpdk into dpdkb2, by dpdk api.
4. stop bond1(ifdown bond1), stop dpdkb2(rte_eth_dev_stop), sleep 5 second,
start dpdkb2(rte_eth_dev_start), start bond1(ifup bond1).

After several times, bug happens, attachment is vmcore-dmesg.txt

similar bug, refer to=20
https://sourceforge.net/p/e1000/mailman/message/35173093/

looks like an old bug, please do not hid bug, to fix it.

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