On 07/02/2022 16.01, Alessio wrote: > Hello. > I had a CentOS Stream 9 installation in a KVM VM. > Today a "dnf upgrade" lead to an unusable system: dnf, rpm commands > complain that "glibc cpu does not support x86-64-v2" or "CPU ISA level > is lower than required". > The updates leading to this state seem to be: python3 3.9.10-1, glibc > 2.34-21, rpm 4.16.1.3-10 > > What happened? glibc-2.34-20 includes a fix to more reliable detect CPU compatibility. See Bug https://bugzilla.redhat.com/show_bug.cgi?id=2040657 Does your CPU support x86-64-v2? CentOS Stream for AMD and Intel 64-bit architectures requires at least x86-64-v2. See [1] for some background. [1]: https://developers.redhat.com/blog/2021/01/05/building-red-hat-enterprise-linux-9-for-the-x86-64-v2-microarchitecture-level#architectural_considerations_for_rhel_9 > Thanks, > A. > > _______________________________________________ > CentOS mailing list > CentOS at centos.org > https://lists.centos.org/mailman/listinfo/centos >