Re: qemu-system-i386: Could not install MSR_CORE_THREAD_COUNT handler: Success

[Alexander Graf]

Hi Vitaly,

This is a kvm kernel bug and should be fixed with the latest stable releases. 
Which kernel version are you running?

Thanks,

Alex


> Am 30.12.2022 um 15:30 schrieb Vitaly Chikunov <vt@altlinux.org>:
> 
> Hi,
> 
> QEMU 7.2.0 when run on 32-bit x86 architecture fails with:
> 
>  i586$ qemu-system-i386 -enable-kvm
>  qemu-system-i386: Could not install MSR_CORE_THREAD_COUNT handler: Success
>  i586$ qemu-system-x86_64 -enable-kvm
>  qemu-system-x86_64: Could not install MSR_CORE_THREAD_COUNT handler: Success
> 
> Minimal reproducer is `qemu-system-i386 -enable-kvm'. And this only
> happens on x86 (linux32 personality and binaries on x86_64 host):
> 
>  i586$ file /usr/bin/qemu-system-i386
>  /usr/bin/qemu-system-i386: ELF 32-bit LSB pie executable, Intel 80386, 
> version 1 (SYSV), dynamically linked, interpreter /lib/ld-linux.so.2, 
> BuildID[sha1]=0ba1d953bcb7a691014255954f060ff404c8df90, for GNU/Linux 3.2.0, 
> stripped
>  i586$ /usr/bin/qemu-system-i386 --version
>  QEMU emulator version 7.2.0 (qemu-7.2.0-alt1)
>  Copyright (c) 2003-2022 Fabrice Bellard and the QEMU Project developers
> 
> Thanks,
>