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Re: kvm_buf_set_msrs: Assertion `ret == cpu->kvm_msr_buf->nmsrs' failed.
From: |
Paolo Bonzini |
Subject: |
Re: kvm_buf_set_msrs: Assertion `ret == cpu->kvm_msr_buf->nmsrs' failed. |
Date: |
Wed, 20 May 2020 10:32:21 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.6.0 |
On 20/05/20 10:22, Li Feng wrote:
>> - bit 2, vmx-exit-nosave-debugctl
>> - bit 9, host address space size, is handled automatically by QEMU
>> - bit 15, vmx-exit-ack-intr
>> - bit 17, vmx-exit-save-pat
>> - bit 18, vmx-exit-load-pat
>> - bit 19, vmx-exit-save-efer
>> - bit 20, vmx-exit-load-efer
>> - bit 21, vmx-exit-save-preemption-timer
>>
>> Try removing all of these and see if QEMU starts:
>>
>> qemu-kvm ... -cpu
>> host,-vmx-exit-nosave-debugctl,-vmx-exit-ack-intr,-vmx-exit-save-pat,-vmx-exit-load-pat,-vmx-exit-save-efer,-vmx-exit-load-efer,-vmx-exit-save-preemption-timer
>>
>> And then add them back one at a time.
> Hi, Paolo.
> Thanks, the crash is still here when removing the above features:
> qemu-system-x86_64: error: failed to set MSR 0x48f to 0x36fff00036dff
>
> After computing xor, the result is 0b1000000000.
> The bit 9 is set.
Are you running KVM with a 32-bit kernel.
Paolo
- Re: kvm_buf_set_msrs: Assertion `ret == cpu->kvm_msr_buf->nmsrs' failed., (continued)
- Re: kvm_buf_set_msrs: Assertion `ret == cpu->kvm_msr_buf->nmsrs' failed., Vitaly Kuznetsov, 2020/05/14
- Re: kvm_buf_set_msrs: Assertion `ret == cpu->kvm_msr_buf->nmsrs' failed., Li Feng, 2020/05/14
- Re: kvm_buf_set_msrs: Assertion `ret == cpu->kvm_msr_buf->nmsrs' failed., Li Feng, 2020/05/14
- Re: kvm_buf_set_msrs: Assertion `ret == cpu->kvm_msr_buf->nmsrs' failed., Dr. David Alan Gilbert, 2020/05/14
- Re: kvm_buf_set_msrs: Assertion `ret == cpu->kvm_msr_buf->nmsrs' failed., Li Feng, 2020/05/14
- Re: kvm_buf_set_msrs: Assertion `ret == cpu->kvm_msr_buf->nmsrs' failed., Dr. David Alan Gilbert, 2020/05/14
- Re: kvm_buf_set_msrs: Assertion `ret == cpu->kvm_msr_buf->nmsrs' failed., Li Feng, 2020/05/14
- Re: kvm_buf_set_msrs: Assertion `ret == cpu->kvm_msr_buf->nmsrs' failed., Li Feng, 2020/05/19
- Re: kvm_buf_set_msrs: Assertion `ret == cpu->kvm_msr_buf->nmsrs' failed., Paolo Bonzini, 2020/05/20
- Re: kvm_buf_set_msrs: Assertion `ret == cpu->kvm_msr_buf->nmsrs' failed., Li Feng, 2020/05/20
- Re: kvm_buf_set_msrs: Assertion `ret == cpu->kvm_msr_buf->nmsrs' failed.,
Paolo Bonzini <=
- Re: kvm_buf_set_msrs: Assertion `ret == cpu->kvm_msr_buf->nmsrs' failed., Li Feng, 2020/05/20
- Re: kvm_buf_set_msrs: Assertion `ret == cpu->kvm_msr_buf->nmsrs' failed., Paolo Bonzini, 2020/05/20
- Re: kvm_buf_set_msrs: Assertion `ret == cpu->kvm_msr_buf->nmsrs' failed., Li Feng, 2020/05/20
- Re: kvm_buf_set_msrs: Assertion `ret == cpu->kvm_msr_buf->nmsrs' failed., Paolo Bonzini, 2020/05/20
- Re: kvm_buf_set_msrs: Assertion `ret == cpu->kvm_msr_buf->nmsrs' failed., Li Feng, 2020/05/20
- Re: kvm_buf_set_msrs: Assertion `ret == cpu->kvm_msr_buf->nmsrs' failed., Paolo Bonzini, 2020/05/20
- Re: kvm_buf_set_msrs: Assertion `ret == cpu->kvm_msr_buf->nmsrs' failed., Li Feng, 2020/05/21