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Bug#903914: xen_netfront broken in 4.9.110-1

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Control: severity -1 important
Control: tag -1 upstream patch pending

On Mon, 2018-07-16 at 08:55 -0700, Elliott Mitchell wrote:
> Package: linux-source-4.9
> Version: 4.9.110-1
> 
> Anyone who was using jumbo frames inside a Xen guest was fine with
> 4.9.88-1+deb9u1, but a problem suddenly showed up with 4.9.110-1.
> 
> Discussion of problem:
> 
> https://lists.gt.net/xen/devel/519117
> 
> Something which acts like a working patch is here:
> 
> http://ubuntu.5.x6.nabble.com/Xenial-Regression-SRU-Fix-quot-Cannot-set-MTU-higher-than-1500-in-Xen-instance-quot-td5170202.html

Thanks for the information.  So the upstream commits are:

cb257783c292 xen-netfront: Fix mismatched rtnl_unlock
45c8184c1bed xen-netfront: Update features after registering netdev

and these apply cleanly to our 4.9 branch.

Ben.

-- 
Ben Hutchings
Once a job is fouled up, anything done to improve it makes it worse.

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Bug#903914: xen_netfront broken in 4.9.110-1 Elliott Mitchell <ehem+debian@m5p.com> - 2018-07-16 18:00 +0200
  Bug#903914: xen_netfront broken in 4.9.110-1 Ben Hutchings <ben@decadent.org.uk> - 2018-07-17 23:30 +0200

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