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From: Avi Kivity <avi@redhat.com>
To: Andrea Arcangeli <aarcange@redhat.com>
Cc: Tomasz Chmielewski <mangoo@wpkg.org>,
	"kvm@vger.kernel.org" <kvm@vger.kernel.org>,
	Marcelo Tosatti <mtosatti@redhat.com>
Subject: Re: 2.6.38.1 general protection fault
Date: Mon, 28 Mar 2011 20:02:47 +0200	[thread overview]
Message-ID: <4D90CD47.7010107@redhat.com> (raw)
In-Reply-To: <20110328175437.GB12265@random.random>

On 03/28/2011 07:54 PM, Andrea Arcangeli wrote:
> BTW, is it genuine that a protection fault is generated instead of a page
> fault while dereferencing address 0x00008805d6b087f8? I would normally
> except a page fault from a memory dereference that doesn't alter
> processor state/segments.

Yes.  Bits 48-63 of the address must be equal to bit 47, or a #GP is 
generated (non-canonical address).

-- 
error compiling committee.c: too many arguments to function


  reply	other threads:[~2011-03-28 18:02 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-03-25  9:32 2.6.38.1 general protection fault Tomasz Chmielewski
2011-03-26  9:15 ` Avi Kivity
2011-03-26 10:42   ` Tomasz Chmielewski
2011-03-27  9:42     ` Avi Kivity
2011-03-28  6:24       ` Tomasz Chmielewski
2011-03-28  9:19         ` Avi Kivity
2011-03-28 17:54           ` Andrea Arcangeli
2011-03-28 18:02             ` Avi Kivity [this message]
2011-03-28 20:04               ` Andrea Arcangeli
2011-03-28 20:14                 ` Tomasz Chmielewski
2011-04-20  9:28                   ` Thomas Treutner
2011-04-20 10:54                     ` Tomasz Chmielewski
2011-03-29 13:34           ` Marcelo Tosatti

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