Re: [PATCH] x86, FPU: Fix FPU initialization

From: Ingo Molnar
Date: Fri Apr 12 2013 - 01:32:45 EST

* Borislav Petkov <bp@xxxxxxxxx> wrote:

> On Thu, Apr 11, 2013 at 12:26:09PM -0700, H. Peter Anvin wrote:
> > What host is this?
> Judging by the DMI string in the oops:
> > [ 15.921486] Pid: 73, comm: hwclock Tainted: G W 3.9.0-rc6+ #222032 System manufacturer System Product Name/A8N-E
> it is an ASUS board with a K8 on it - probably Ingo's old K8 which
> triggers all kinds of crap off an on.
> 8-)

Yep, with Fedora Core 8, and totally unchanged userspace, booting randconfigs of
the latest -tip:master tree. This box has booted up over a million Linux kernels
in the past 4+ years, so when it shows new types of sickness then in 99.9% of the
cases it's something about the kernel.

The lockup went away after excluding x86/cpu. I'll try more testing as time


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