On 12/20/21 06:52, john doe wrote: > Hello all, > > I would like to install Debian Bullseye using virt-install, as part of > the command I usually specify the OS used with the option '--os-variant'. > This works great untill Buster ('debian10'), but now the guest is > Bullseye ('debian11') and is not listed in the output of 'osinfo-query > os' (1). > > If I don't use the '--os-variant' flag I get the following warning: > > "WARNING No operating system detected, VM performance may suffer. > Specify an OS with --os-variant for optimal results." > > > Should I ignore the warning or what is the best way forward to install a > Debian Bullseye guest? > > Both the host and the guest are Debian 11. > > 1) https://lists.debian.org/debian-user/2021/12/msg00742.html Debian 11 was added into the osinfo-db roughly 4 months ago: https://gitlab.com/libosinfo/osinfo-db/-/commit/d729bd193947cc377c5ffc054222eef12a82e414 I'm not sure who maintains the package in debian, but I'd ask them to refresh the package. Meanwhile, as a workaround I think it's safe to use debian10 as --os-variant. Michal