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

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Alexander,

On Fri, Dec 30, 2022 at 06:44:14PM +0100, Alexander Graf wrote:
> Hi Vitaly,
> 
> This is a kvm kernel bug and should be fixed with the latest stable releases. Which kernel version are you running?

This is on latest v6.0 stable - 6.0.15.

Maybe there could be workaround for such situations? (Or maybe it's
possible to make this error non-fatal?) We use qemu+kvm for testing and
now we cannot test on x86.

Thanks,


> 
> Thanks,
> 
> Alex
> 
> 
> > Am 30.12.2022 um 15:30 schrieb Vitaly Chikunov <vt@xxxxxxxxxxxx>:
> > 
> > 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,
> > 
> 



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