[Bug 211548] [mps] Activating X2Apic Mode in BIOS results in "io_cmds_active is out of sync errors", won't boot

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=211548

Konstantin Belousov <kib at FreeBSD.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |kib at FreeBSD.org

--- Comment #1 from Konstantin Belousov <kib at FreeBSD.org> ---
(In reply to Benedict Reuschling from comment #0)
What exactly the statement 'won't boot' mean ?  Does the machine enters
infinite
loop with the messages ?

I would like to see the verbose dmesg with the x2APIC option turned off and on
(can you capture using serial console ?).

Can you compile and boot kernel without mps(4) ?  You probably would be not
able to mount local root, but I need messages and not the operational system.

I do not think IPIs are ever used at the device probe stage, so it might be
some pecularity in the BIOS resources allocation triggered by the option.

-- 
You are receiving this mail because:
You are on the CC list for the bug.