Turion X2 Laptop SMP Problem

Dan Olson danolson at visi.com
Sat Oct 28 00:10:46 UTC 2006

John Baldwin wrote:
> On Saturday 21 October 2006 13:20, Dan Olson wrote:
>> Hello All
>> I just bought a HP dv6119us Turion X2 laptop and can't seem to get it to 
>> do SMP.
>> To get it to boot I have to add to the boot prompt or loader.conf
>> set hint.apic.0.disabled=1
>> set hint.sio.0.disabled=1
>> set hint.sio.1.disabled=1
>> When booting with apic enabled the system slows to a crawl and the 
>> keyboard input is slow.  To slow to register key events or log in.
>> Below is a verbose dmesg with apic disabled on 6.2 beta2.
>> Does anyone have any suggestions on getting SMP to work or diagnosing 
>> the problem?
>> I've seen another complaint from July 06 but no resolution.
>> http://lists.freebsd.org/pipermail/freebsd-amd64/2006-July/008508.html
>> I'm working on submitting a PR for this.
> Can you leave APIC enabled but disable just SMP via kern.smp.disabled=1 to see 
> if it boots up ok?

Sorry for the delay. Real life intruded.


set kern.smp.diabled=1

at the loader prompt doesn't fix it. The same symptoms persist

I've filed a pr with more info with a verbose boot message with apic 



Thanks for taking an interest in this.


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