linux-kernel - Re: [PATCH] x86, FPU: Fix FPU initialization

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Message-ID: <f3a4fce2-090e-4a08-b05c-0281a95e8943@email.android.com>
Date:	Thu, 11 Apr 2013 22:34:48 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Ingo Molnar <mingo@...nel.org>, Borislav Petkov <bp@...en8.de>
CC:	X86 ML <x86@...nel.org>, LKML <linux-kernel@...r.kernel.org>,
	Borislav Petkov <bp@...e.de>
Subject: Re: [PATCH] x86, FPU: Fix FPU initialization

I used to have one of these but have it away when cleaning out my study... no space.

Ingo Molnar <mingo@...nel.org> wrote:

>
>* Borislav Petkov <bp@...en8.de> 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 
>permits.
>
>Thanks,
>
>	Ingo

-- 
Sent from my mobile phone. Please excuse brevity and lack of formatting.
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