W dniu 03.01.2019 o 14:13, Stefan Bethke pisze: >> I have under supervision a few old servers running 11.2-STABLE. The >> hardware is almost for retirement, but still in working condition. It's >> all old Nocona NetBurst microarchitecture. I have recently tried do >> upgrade OS two of them to 12.0-STABLE, but failed. When I use old >> bootloader the boot freezes on blue highlighted "Booting" stage, when I >> tried to use 12 loader, it freezes earlier, on loading kernel modules. >> The kernel was compiled from fresh sources for CPUTYPE?=nocona. >> 11.2-STABLE is fine with this optimization and the same kernel boots >> fine on newer hardware. >> >> It is fair, that 11 EOL is expected September 30, 2021 and these servers >> will likely be retired before this date, but some questions arise: >> >> Is such old hardware still supported? Is it possible (how to) debug the >> booting process? > The first step is to try with known-good bits: can you boot these machines > off the 12.0 ISO or memstick images? Can you load your kernel and modules > with the loader from the ISO/memstick? Does GENERIC built without any flags > work? > > If any of these don’t work, try to be as specific as possible when reporting > problems. For example, the exact make of mainboard (kenv output) and the BIOS > version, and any relevant BIOS settings are likely important for problems > regarding the loader. If the kernel and modules load, you can try a verbose > boot to see better how far the kernel gets. > > I’d be really surprised if the CPUs themselves would cause trouble. > Thank you for the informative reply. I will try to boot from official CD, but have limited access and servers are still working under FreeBSD 11.2-STABLE #2 r342669
-- Marek Zarychta
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