Re: Some tasks very slow after upgrade from Jessie to Stretch
> It booted OK with the last Whezzy kernel but I am afraid to try to
> upgrade to Stretch with this suspect system. Problem is this machine
> is the interface between the LAN and the Internet so without it things
> are difficult
I use serial to usb and manage reboots this way. I have server and firewall
You can still keep the old kernel/initrd as a fall back.
>From jessie to stretch there were fewer issues (actually non for me). Check
the initrd setup (/etc/initramfs-tools/).