** Changed in: linux (Ubuntu Disco)
Status: In Progress => Fix Committed
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https://bugs.launchpad.net/bugs/1829652
Title:
Kernel panic upon resetting ixgbe SR-IOV VFIO virtual function using
5.0 kernel
Status in linux package in Ubuntu:
In Progress
Status in linux source package in Disco:
Fix Committed
Status in linux source package in Eoan:
In Progress
Bug description:
[Impact]
If you pass a vf of an intel 10G nic - such as the X550T - into a VM, and
that nic does not support IPsec, the system will oops.
[Test Case]
Enable virtual functions (e.g. (class/net/em1/device/sriov_numvfs = 4).
Use an XML snippet to delegate virtual function to VM, e.g.:
<hostdev mode='subsystem' type='pci' managed='yes'>
<driver name='vfio'/>
<source>
<address domain='0x0000' bus='0x05' slot='0x10' function='0x0'/>
</source>
<alias name='hostdev0'/>
<address type='pci' domain='0x0000' bus='0x03' slot='0x00'
function='0x0'/>
</hostdev>
Start VM.
[Fix]
https://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/next-queue.git/commit/?h=dev-queue&id=a2243a4faae5a3c210995ade2cbca369b20daa0f
[Regression Risk]
Restricted to the ixgbe driver.
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