From: Andi Kleen <ak@suse.de>
To: Petr Vandrovec <vandrove@vc.cvut.cz>
Cc: Eric Dumazet <dada1@cosmosbay.com>, Andi Kleen <ak@suse.de>,
linux-kernel@vger.kernel.org, Chris Bruner <cryst@golden.net>,
Andrew Morton <akpm@osdl.org>, Linus Torvalds <torvalds@osdl.org>,
Matt Domsch <Matt_Domsch@dell.com>
Subject: Re: Something very strange on x86_64 2.6.X kernels
Date: Sat, 22 Jan 2005 02:54:21 +0100 [thread overview]
Message-ID: <20050122015421.GA27060@wotan.suse.de> (raw)
In-Reply-To: <20050121162601.GA8469@vana.vc.cvut.cz>
On Fri, Jan 21, 2005 at 05:26:01PM +0100, Petr Vandrovec wrote:
> On Thu, Jan 20, 2005 at 09:53:36PM +0100, Eric Dumazet wrote:
> >
> > Examining linux sources, I found that 0xffffe000 is 'special' (ia 32
> > vsyscall) and 0xffffe600 is about sigreturn subsection of this special area.
> >
> > Is it possible some vm trick just kicks in and corrupts my true 64bits
> > program ?
>
> Maybe I already missed answer, but try patch below. It is definitely bad
> to mark syscall page as global one...
Patch looks good thanks. Ugh, what a stupid bug.
I applied the patch to my tree.
-Andi
next prev parent reply other threads:[~2005-01-22 1:54 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-01-19 23:13 COMMAND_LINE_SIZE increasing in 2.6.11-rc1-bk6 Janos Farkas
2005-01-20 4:21 ` Chris Bruner
2005-01-20 16:28 ` Adrian Bunk
2005-01-20 16:40 ` Linus Torvalds
2005-01-20 16:48 ` Andi Kleen
2005-01-20 20:53 ` Something very strange on x86_64 2.6.X kernels Eric Dumazet
2005-01-20 21:08 ` Andrew Morton
2005-01-20 21:19 ` Eric Dumazet
2005-01-21 16:26 ` Petr Vandrovec
2005-01-21 16:49 ` Eric Dumazet
2005-01-21 18:30 ` Petr Vandrovec
2005-01-22 1:54 ` Andi Kleen [this message]
2005-01-22 2:14 ` Linus Torvalds
2005-01-21 6:58 ` COMMAND_LINE_SIZE increasing in 2.6.11-rc1-bk6 Catalin(ux aka Dino) BOIE
2005-01-21 7:11 ` Andi Kleen
2005-01-21 17:46 ` Matt Domsch
2005-01-21 19:05 ` H. Peter Anvin
2005-02-07 6:57 ` Werner Almesberger
2005-02-12 13:54 ` Eric W. Biederman
2005-02-12 14:51 ` Werner Almesberger
2005-02-12 15:17 ` Eric W. Biederman
2005-02-14 5:49 ` Werner Almesberger
2005-02-14 7:36 ` Eric W. Biederman
2005-02-14 6:15 ` Adam Sulmicki
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