X-Recipient:	archive-cygwin AT delorie DOT com
X-SWARE-Spam-Status:	No, hits=2.5 required=5.0 tests=AWL,BAYES_00,BOTNET,SPF_PASS
X-Spam-Check-By:	sourceware.org
Message-id:	<4AAEF1C7.9090901@verizon.net>
Date:	Mon, 14 Sep 2009 18:45:43 -0700
From:	Jerry DeLisle <jvdelisle AT verizon DOT net>
User-Agent:	Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.1) Gecko/20090814 Fedora/3.0-2.6.b3.fc11 Thunderbird/3.0b3
MIME-version:	1.0
To:	cygwin AT cygwin DOT com
Subject:	Re: Core dump on hello world.
References:	<4AADCA4E DOT 2030302 AT verizon DOT net> <4AAE0285 DOT 9040402 AT gmail DOT com> <4AAE0658 DOT 3000300 AT gmail DOT com> <4AAE0736 DOT 7060403 AT gmail DOT com>
In-reply-to:	<4AAE0736.7060403@gmail.com>
X-IsSubscribed:	yes
Mailing-List:	contact cygwin-help AT cygwin DOT com; run by ezmlm
List-Id:	<cygwin.cygwin.com>
List-Subscribe:	<mailto:cygwin-subscribe AT cygwin DOT com>
List-Archive:	<http://sourceware.org/ml/cygwin/>
List-Post:	<mailto:cygwin AT cygwin DOT com>
List-Help:	<mailto:cygwin-help AT cygwin DOT com>, <http://sourceware.org/ml/#faqs>
Sender:	cygwin-owner AT cygwin DOT com
Mail-Followup-To:	cygwin AT cygwin DOT com
Delivered-To:	mailing list cygwin AT cygwin DOT com

On 09/14/2009 02:04 AM, Dave Korn wrote:
> Dave Korn wrote:
>
>>    Nah, hang on, I'll give the psychic debugging a go.<places hand to
>> forehead, covering eyes, waves other hand out in front of me in a
>> mystical-looking way>   I'm getting something.... the spirits are talking... or
>> maybe it's just the beer...  and they tell me: The problem is that the CPUID
>> instruction in your virtual machine is returning some kind of bogus output
>> that's leading set_fpu() to believe the CPU supports SSE, but the emulation in
>> fact does not, and it blows up here:
>>
>>> 0x697826c4<set_fpu+164>:       stmxcsr -0x14(%ebp)
>
>    Also, is your CPU a VIA by any chance, maybe a C7?
>
No, its an AMD Phenom II.  However, your hints were correct.  I disabled 
the VirtualBox System::VT-x/AMD-V features and the problem goes away. 
What Crystal Balls you have!

:)

Jerry

--
Problem reports:       http://cygwin.com/problems.html
FAQ:                   http://cygwin.com/faq/
Documentation:         http://cygwin.com/docs.html
Unsubscribe info:      http://cygwin.com/ml/#unsubscribe-simple

- Raw text -