Re: Boot halts on Thinkpad X220 (Sandy Bridge)

On Monday, May 16, 2011 10:05:12 am Johannes Dieterich wrote:
> On Mon, May 16, 2011 at 3:40 PM, John Baldwin <jhb_at_freebsd.org> wrote:
> 
> > 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.
> >
> Sorry, forgot to mention it. Machine has 8 GB of RAM so I have been using
> amd64 images for all tests. I will try tonight with an i386 snapshot. Would
> the one provided by Nathan Whitehorn be recent enough? Anything in
> particular that you would be interested in if it should work (verbose dmesg,
> ...)?

Yes, a verbose dmesg would be ideal, I just figured it would be hard to get 
that on a laptop for the non-booting case. :)

A verbose dmesg from a working boot would probably be helpful if you can get 
it though.

> Thanks a lot for the reply!
> 
> Johannes Dieterich
> 

-- 
John Baldwin