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Bug#884482: linux-image-4.13.0-1-amd64: KVM module doesn't load: ERROR: could not insert 'kvm_intel': Input/output error



Control: forwarded -1 https://bugzilla.redhat.com/show_bug.cgi?id=1490803
Control: tag -1 patch upstream fixed-upstream

On Fri, 2017-12-15 at 10:28 -0800, Diane Trout wrote:
> Package: src:linux
> Version: 4.13.13-1
> Severity: normal
> 
> Dear Maintainer,
> 
> After booting into 4.13.13 my kvm based virutual hosts wouldn't load
> any longer.
> 
> root:~# kvm
> Could not access KVM kernel module: No such file or directory
> qemu-system-x86_64: failed to initialize KVM: No such file or
> directory
> 
> trying to load the kvm driver produces:
> 
> root:~# modprobe kvm_intel
> modprobe: ERROR: could not insert 'kvm_intel': Input/output error
> 
> My problem looks similar to this RedHat bug.
> https://bugzilla.redhat.com/show_bug.cgi?id=1490803
[...]

Thanks.  So this should be fixed by:

commit 8a1b43922d0d1279e7936ba85c4c2a870403c95f
Author: Paolo Bonzini <pbonzini@redhat.com>
Date:   Mon Nov 6 13:31:12 2017 +0100

    kvm: vmx: Reinstate support for CPUs without virtual NMI

which went into 4.15-rc1 and 4.14.3.

Ben.

-- 
Ben Hutchings
Teamwork is essential - it allows you to blame someone else.

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