> On Jun 17, 2015, at 2:39 PM, Konstantin Belousov <kostik...@gmail.com> wrote:
> On Wed, Jun 17, 2015 at 02:32:16PM -0230, Jonathan Anderson wrote:
>> The system boots the 11-CURRENT kernel in "safe mode" (not sure if it???s 
>> the kern.mp.disabled or kern.eventtimer.periodic that???s causing that), 
>> after which `dmesg -a` produces the following output:
>> https://people.freebsd.org/~jonathan/vaio-acpi-dmar.txt
> Try a loader tunable hw.x2apic_enable=0.
> Your UP boot was successfull with x2APIC mode enabled and set, but there
> are rumors that some SandyBridge BIOSes are buggy.

That seems to fix it... thanks!

Is there a Wiki page somewhere for people to document these kinds of 
workarounds for particular configurations?

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