On Thu, Jun 25, 2015 at 1:07 AM, John Nielsen <lists@xxxxxxxxxxxx> wrote:
> Interesting. Using the same PC-BSD image I am able to reproduce on a server running slightly older software but I can not reproduce running bleeding edge. I verified enable_apicv=Y on both. In both cases I ran
> qemu-kvm -drive if=virtio,file=PCBSD10.1.2-x64-trueos-server.raw -smp 2 -vnc 0.0.0.0:0
>
> Specifically:
>
> Breaks (VM hangs during boot after pressing ctrl-alt-del):
> kernel 3.12.22
> qemu-kvm-1.7.0-3.el6.x86_64
> seabios-1.7.3.1-1.el6.noarch
> Intel(R) Xeon(R) CPU E5-2667 v2 @ 3.30GHz
>
> Works (VM reboots normally):
> kernel 4.0.4
> qemu-kvm-2.3.0-6.el7.centos.x86_64
> seabios-bin-1.8.1-1.el7.centos.noarch
> Intel(R) Xeon(R) CPU E5-2680 v2 @ 2.80GHz
>
>
> Unfortunately I no longer have the test environment I used a few days ago to reproduce this issue so I can’t verify the software versions that were in use. It’s possible I was mistaken about the kernel version (I thought it was 4.0.4). Perhaps it really is fixed in the newer kernel? In any case, this is great news! I would be interested in identifying the patch(es) that fixed the issue to make back-porting them easier, but I won’t have time to do a binary search anytime soon.
>
> Thanks for looking in to this again. If anyone else is interested in identifying what specifically fixed the issue please let me know if I can do anything to help.
>
John,
This commit may work for you.
commit 4114c27d450bef228be9c7b0c40a888e18a3a636
Author: Wei Wang <wei.w.wang@xxxxxxxxx>
Date: Wed Nov 5 10:53:43 2014 +0800
KVM: x86: reset RVI upon system reset
Thanks
Wincy
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