From: Andi Kleen <ak@suse.de>
To: Daniel Egger <degger@fhm.edu>
Cc: Andi Kleen <ak@suse.de>, linux-kernel@vger.kernel.org
Subject: Re: 2.6.8 and 2.6.9 Dual Opteron glitches
Date: Wed, 3 Nov 2004 12:05:11 +0100 [thread overview]
Message-ID: <20041103110511.GA23808@wotan.suse.de> (raw)
In-Reply-To: <8A4609E0-2D86-11D9-BF00-000A958E35DC@fhm.edu>
On Wed, Nov 03, 2004 at 11:53:05AM +0100, Daniel Egger wrote:
> On 03.11.2004, at 06:06, Andi Kleen wrote:
>
> >> Replacing those panic(s) by printk make the machine boot just fine
> >> and also work (seemingly) without any problems under load.
>
> >Can you print the two values? I've never seen such a problem.
> >If it works then they must be identical, otherwise user space would
> >break very quickly.
>
> printk("%p %p %p\n", (unsigned long) &vgettimeofday, &vgettimeofday,
> VSYSCALL_ADDR(__NR_vgettimeofday));
>
> ffffffffff600000 ffffffffff600000 ffffffffff600000
>
> I've no idea why it still triggers. Also the next one BTW:
> vtime link addr brokenIA32
>
> The compiler is: gcc version 3.4.0 20040111 (experimental)
Looks like a compiler bug. I would talk to the gcc people.
-Andi
next prev parent reply other threads:[~2004-11-03 11:17 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <5AC1EEB8-2CD7-11D9-BF00-000A958E35DC@fhm.edu.suse.lists.linux.kernel>
2004-11-03 5:06 ` Andi Kleen
2004-11-03 10:53 ` Daniel Egger
2004-11-03 11:05 ` Andi Kleen [this message]
2004-11-03 15:06 ` Jesse Pollard
2004-11-02 13:59 Daniel Egger
2004-11-02 16:58 ` Thomas Zehetbauer
2004-11-02 17:55 ` Tomas Carnecky
2004-11-02 21:52 ` Thomas Zehetbauer
2004-11-02 22:37 ` Daniel Egger
2004-11-02 21:53 ` Rafael J. Wysocki
2004-11-06 23:06 ` Christopher E. Brown
2004-11-02 21:56 ` Jesse Pollard
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