[Expired for QEMU because there has been no activity for 60 days.]
** Changed in: qemu
Status: Incomplete => Expired
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Title:
Nested kvm
Can you still reproduce this issue with the latest version of QEMU
(v4.2)?
** Changed in: qemu
Status: New => Incomplete
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Title:
Nested
> Yes, I mean '-cpu host' in the bare metal. There is no workaround; it
worked by chance and it triggered other hard to find bugs.
alright, thanks for clarifying that.
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Yes, I mean '-cpu host' in the bare metal. There is no workaround; it
worked by chance and it triggered other hard to find bugs.
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Title:
> Nested is currently supported only with -cpu host. Kernel 4.9 has the
necessary support but QEMU doesn't.
1. Just to be sure, you mean '-cpu host' in the bare metal host right?
2. Until it is officially supported in qemu, is there any easy way to work
around this? as this setup seemed to have
Nested is currently supported only with -cpu host. Kernel 4.9 has the
necessary support but QEMU doesn't.
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Title:
Nested kvm guest fails to
kvm_msr_entry_add: @8 index=9e value=3
kvm_msr_entry_add: @9 index=d90 value=0
kvm_msr_entry_add: @10 index=c083 value=0
kvm_put_msrs: ret=9 expected=90
OK, 9... so that's probably the d90;
$ ag d90:
418:#define MSR_IA32_BNDCFGS0x0d90
The Intel book
Hi Dave, thanks for looking into this.
> Can you clarify what the host and L1 kernels are please?
Host - 4.8.15-200.fc24.x86_64
Guest - 3.10.0-514.2.2.el7.x86_64
Results of adding the debug messages and running a simpler command(with
master again - 5dae13):
[root@vm-el73 ~]#
Hi Nadav,
Can you clarify what the host and L1 kernels are please?
This error means that qemu tried to write some msrs but one of the msr
writes failed; we need to figure out which one to understand what's
going on.
1) Edit kvm_msr_entry_add in target/i386/kvm.c to something like:
