Boot halts on Thinkpad X220 (Sandy Bridge)

[John Baldwin]

On Sunday, May 15, 2011 8:09:21 pm Johannes Dieterich wrote:
> Hello everybody,
> 
> on a Thinkpad X220 (Sandy Bridge/Cougar Point based) the installation
> medium loads but halts during boot. I tested the following versions of
> FreeBSD
> 
> * 8.2-RELEASE
> * 9-CURRENT (latest official snapshot from 02/2011)
> * 9-CURRENT (latest snapshot from Nathan Whitehorn as of 20/04/2011 [1])
> * 9-CURRENT (own release medium as of today prepared with the
> generate-release script)
> 
> With 8.2, I see the same error messages as [2] with PCBSD-8 (not
> surprising, of course, but please note that there is no Firewire in this
> notebook). I do not see what the error message is with 9.0 before it
> halts. Anyway, according to Kris Moore this is a "known issue with
> FreeBSD". I have not found anything about such problem in the mailing
> list archives (apologies if I am wrong).
> 
> Therefore my question simply is, whether this problem is known and (if
> yes) there is a fix or workaround available for CURRENT.
> 
> If needed, I can post a dmesg of a successful boot of the
> openSUSE-11.4-LiveCD as reference (not doing so now because I assume the
> list will anyway eat the attachment). Also, I can provide whatever can
> be obtained using said Linux.
> 
> Thanks a lot or any replies! :-)

Hmm, is this booting amd64 or i386?  Can you try i386 if you haven't?  If i386 
doesn't work at first, you might need to try disabling APIC via 'set 
hint.apic.0.disabled=1' at the loader prompt.

-- 
John Baldwin