Ciao Jeremy, dmesg reports no error on the guest. syslog and auth.log look clean as well. /G On Mon, 15 Jul 2019 at 18:30, Jeremy Stanley <fungi@yuggoth.org> wrote:
On 2019-07-15 16:29:47 +0200 (+0200), Giuseppe Sannino wrote: [...]
Once logged in the VM is not too slow. CLI doesn't get stuck or similar. One thing worthwhile to mention, it seems like the writing throughput on the disk is a bit slow: 67MB/s wrt around 318MB/s of another VM running on a "datacenter" Openstack installation. [...]
Have you checked dmesg in the guest instance to see if there is any I/O problem reported by the kernel? The login process will block on updating /var/log/wtmp or similar, so if writes to whatever backing store that lives on are delayed, that can explain the symptom. -- Jeremy Stanley