Re: [CentOS] [EXT] c9s: CPU ISA level lower than required

2022-02-07 Thread Gordon Messmer
On 2/7/22 09:10, Alessio wrote: Oh, well, it was plain "kvm64". Selecting "Nehalem", "SandyBridge" or "Westmere", it works. If you plan to live-migrate VMs from host to host, selecting a specific CPU which is the oldest generation CPU among the possible hosts which will run the VM is a good

Re: [CentOS] [EXT] c9s: CPU ISA level lower than required

2022-02-07 Thread Alessio
On Mon, 2022-02-07 at 17:56 +0100, Peter Georg wrote: > > In this case your VM is misconfigured. Please check your configured > KVM > CPU model. A list of all CPU models and support x86-64 levels can be > found here: > https://qemu-project.gitlab.io/qemu/system/qemu-cpu-models.html Oh, well,

Re: [CentOS] [EXT] c9s: CPU ISA level lower than required

2022-02-07 Thread Peter Georg
On 07/02/2022 17.40, Alessio wrote: On Mon, 2022-02-07 at 16:58 +0100, Peter Georg wrote: On 07/02/2022 16.28, Alessio wrote: On Mon, 2022-02-07 at 16:20 +0100, Peter Georg wrote: glibc-2.34-20 includes a fix to more reliable detect CPU compatibility. See Bug

Re: [CentOS] [EXT] c9s: CPU ISA level lower than required

2022-02-07 Thread Alessio
On Mon, 2022-02-07 at 16:58 +0100, Peter Georg wrote: > On 07/02/2022 16.28, Alessio wrote: > > On Mon, 2022-02-07 at 16:20 +0100, Peter Georg wrote: > > > glibc-2.34-20 includes a fix to more reliable detect CPU > > > compatibility. > > > See Bug

Re: [CentOS] [EXT] c9s: CPU ISA level lower than required

2022-02-07 Thread Chris Adams
Once upon a time, Simon Matter said: > Is there an easy way to figure out if a CPU does support x86-64-v2? > Something like a list of CPU families or a list of flags to check? Run "/lib64/ld-linux-x86-64.so.2 --help" - the output should include:

Re: [CentOS] [EXT] c9s: CPU ISA level lower than required

2022-02-07 Thread Simon Matter
> 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

Re: [CentOS] [EXT] c9s: CPU ISA level lower than required

2022-02-07 Thread Peter Georg
On 07/02/2022 16.28, Alessio wrote: On Mon, 2022-02-07 at 16:20 +0100, Peter Georg wrote: 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? The KVM version I'm using doesn't

Re: [CentOS] [EXT] c9s: CPU ISA level lower than required

2022-02-07 Thread Alessio
On Mon, 2022-02-07 at 16:20 +0100, Peter Georg wrote: > 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? The KVM version I'm using doesn't support that? Could it be?

Re: [CentOS] [EXT] c9s: CPU ISA level lower than required

2022-02-07 Thread Peter Georg
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