Hi Roman, [ roman.meier@gismap.ch, 2021-03-14 ] > We recently updated our Debian Edu server from Stretch to Buster. We > use a number of older Panasonic Toughbooks and all of them are no > longer able to boot. > > The following message is thrown on those Toughbooks: > > This kernel requires an x86-64 CPU, but only detected an i686 CPU. > Unable to boot - please use a kernel appropriate for your CPU. I assume the Toughbooks are used as LTSP clients and the Buster main server has been a new installation, not an upgrade from Stretch. See the manual how to support 32-bit clients: https://wiki.debian.org/DebianEdu/Documentation/Buster/HowTo/NetworkClients#Add_LTSP_chroot_to_support_32-bit-PC_clients Wolfgang
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