From: Hugh Dickins <hugh@veritas.com>
To: Andi Kleen <ak@suse.de>
Cc: Dave <dave.jiang@gmail.com>, linux-kernel@vger.kernel.org
Subject: Re: x86_64 segfault error codes
Date: Thu, 15 Dec 2005 09:55:40 +0000 (GMT) [thread overview]
Message-ID: <Pine.LNX.4.61.0512150949570.6445@goblin.wat.veritas.com> (raw)
In-Reply-To: <20051214195848.GQ23384@wotan.suse.de>
On Wed, 14 Dec 2005, Andi Kleen wrote:
>
> Don't know what kernel you're looking at, but 2.6.15rc5 has
>
> * bit 0 == 0 means no page found, 1 means protection fault
> * bit 1 == 0 means read, 1 means write
> * bit 2 == 0 means kernel, 1 means user-mode
> * bit 3 == 1 means use of reserved bit detected
> * bit 4 == 1 means fault was an instruction fetch
I can't see it there in 2.6.15-rc5 or 2.6.15-rc5-git; but it is there
in 2.6.15-rc5-mm3: which seems to contains a lot of x86_64 patches,
perhaps some of which you're expecting already to be in 2.6.15?
Hugh
next prev parent reply other threads:[~2005-12-15 9:56 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-12-14 18:17 Dave
2005-12-14 18:31 ` Andi Kleen
2005-12-14 19:24 ` Dave
2005-12-14 19:58 ` Andi Kleen
2005-12-14 20:09 ` Dave
2005-12-15 9:55 ` Hugh Dickins [this message]
2005-12-15 9:59 ` Andi Kleen
2005-12-15 14:49 ` Andi Kleen
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