lkml.org 
[lkml]   [2011]   [Nov]   [8]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: Geode LX boot fails after x86 microcode revision change
On Tue, Nov 08, 2011 at 04:17:21PM -0600, Daniel Drake wrote:
> On Tue, Nov 8, 2011 at 4:13 PM, Petkov, Borislav
> <Borislav.Petkov@amd.com> wrote:
> > This could definitely explain why it hangs, the rdmsr_safe call is
> >  in early_init_amd(), so it could really be too early for exception tables.
>
> I think this is almost certainly the cause too. The symptoms of this
> issue are exactly the same as the early boot hang once discussed in a
> thread titled "Dynamic nop selection breaks boot on Geode LX" (which
> you wrote to as well) which was a problem of running code before
> having exception tables set up.

Oh yeah, that.

> I haven't yet run your tests except for "rdmsr 0x8b" which returns
> "pread: Input/output error" - let me know if you would still like
> results from the other tests.

Yep, just send me /proc/cpuinfo from a working kernel.

Thanks.

--
Regards/Gruss,
Boris
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2011-11-08 23:41    [W:0.101 / U:0.136 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site