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Re: QEMU VM crashes when enabling KVM
From: |
Paolo Bonzini |
Subject: |
Re: QEMU VM crashes when enabling KVM |
Date: |
Thu, 12 Dec 2019 02:16:33 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.1.1 |
On 11/12/19 22:23, Wayne Li wrote:
>
> Now I am fairly sure KVM is actually enabled on the system. Finding
> that out was another story that spanned a couple of months. But long
> story short, lsmod doesn't show that the KVM kernel module is running.
> But that's because KVM is built-in and it can't actually be built as a
> loadable kernel module in this particular system.
>
> So I'm not really sure what could be the problem. Though I was thinking
> if I understood the error better that might help? Following the code I
> see that the "Missing PVR setting capability." is called when a variable
> called "cap_segstate" is 0:
>
> if (!cap_segstate) {
> fprintf(stderr, "kvm error: missing PVR setting capability\n");
> return -ENOSYS;
> }
>
> And the cap_segstate variable is set by the following function:
>
> cap_segstate = kvm_check_extension(s, KVM_CAP_PPC_SEGSTATE);
You are not saying how you are running QEMU. I think you are using a
CPU model that requires a Book3S KVM.
Paolo
- QEMU VM crashes when enabling KVM, Wayne Li, 2019/12/11
- Re: QEMU VM crashes when enabling KVM,
Paolo Bonzini <=
- Re: QEMU VM crashes when enabling KVM, Wayne Li, 2019/12/11
- Re: QEMU VM crashes when enabling KVM, Paolo Bonzini, 2019/12/12
- Re: QEMU VM crashes when enabling KVM, Wayne Li, 2019/12/12
- Re: QEMU VM crashes when enabling KVM, BALATON Zoltan, 2019/12/12
- Re: QEMU VM crashes when enabling KVM, David Gibson, 2019/12/12
- Re: QEMU VM crashes when enabling KVM, Wayne Li, 2019/12/13