boot hang with certain Phenom II cpu models
Marek Zarychta
zarychtam at plan-b.pwste.edu.pl
Thu Dec 13 13:24:45 UTC 2018
W dniu 13.12.2018 o 11:56, Sascha Klauder pisze:
> Hi all,
>
> I've recently upgraded my Athlon II based home box (happily
> running FreeBSD for several years) to a Phenom II X4 960T CPU.
> Now, kernel (11.2) hangs in early hardware initialization.
>
> Mainboard is a nForce 720 based Gigabyte GA-M720-US3 rev 1.0,
> BIOS is latest and the CPU is on Gigabyte's CPU support list
> for this board.
>
> A parallel Windows 7 installation continues to work flawlessly
> and the system is stable running prime95. Memtest86 reports no
> errors. I've tried several other OS boot media (DragonFly 5.4,
> OpenBSD 6.4, Linux 4.9) -- all boot fine with no problems (see
> dmesg output linked below).
>
> I've found two very similiar problem reports on the FreeBSD
> forums. Both involve Phenom II cpu's and nForce-based mainboards,
> so I think we're missing some BIOS/ACPI quirk here.
> https://forums.freebsd.org/threads/10-1-installer-wont-boot-past-acpi.50015/
> https://forums.freebsd.org/threads/boot-hangs-after-cpu-upgrade.64410/
>
> So far, I tried (unsuccessfully) to disable obvious ACPI sub-
> systems (cpu, mwait, quirks) and debug settings (acpi.cpu_unordered,
> acpi.max_threads). Anyone got a hint where to look or debug this
> further?
>
> kernel boot messages (obtained from 10.4 amd64):
> https://lair.griffinsplace.de/~sascha/phenom/dmesg-freeze-FreeBSD10.txt
>
> boot messages with the previous Athlon II cpu in this system:
> https://lair.griffinsplace.de/~sascha/phenom/dmesg-FreeBSD-AthlonII.txt
>
> boot messages from DFly, OpenBSD and Linux:
> https://lair.griffinsplace.de/~sascha/phenom/
Try to boot FreeBSD with GRUB2 as a workaround. My hardware configuration also suffered from similar issue[1] so I had never successfully booted FreeBSD using standard loader, but GRUB2 allowed to install and use FreeBSD on this PC.
[1]https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=151122
--
Marek Zarychta
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