From: Jakob Oestergaard <jakob@unthought.net>
To: Jamie Lokier <jamie@shareable.org>
Cc: Jim Houston <jim.houston@comcast.net>,
linux-kernel@vger.kernel.org, jim.houston@ccur.com
Subject: Re: [PATCH] Pentium Pro - sysenter - doublefault
Date: Mon, 25 Aug 2003 09:49:54 +0200 [thread overview]
Message-ID: <20030825074954.GC29987@unthought.net> (raw)
In-Reply-To: <20030825062905.GA21262@mail.jlokier.co.uk>
On Mon, Aug 25, 2003 at 07:29:05AM +0100, Jamie Lokier wrote:
> Jamie Lokier wrote:
> > So that means the sysenter instruction _does_ exist on the PPro and
> > early Pentium II, but it isn't usable.
>
> If anyone has information on what the SYSENTER and SYSEXIT
> instructions actually do on Intel Pentium Pro or stepping<3 Pentium II
> processors, I am very interested.
I dug up a little more from the archeological site (machine room -
sigh)...
-------------------------------------------
model name : Pentium II (Deschutes)
stepping : 2
$ ./syse
Segmentation fault
-------------------------------------------
model name : Celeron (Mendocino)
stepping : 0
cpu MHz : 334.097
$ ./syse
Segmentation fault
-------------------------------------------
CPU: Pentium II/Pentium II Xeon/Celeron (299.94-MHz 686-class CPU)
Origin = "GenuineIntel" Id = 0x651 Stepping = 1
$ ./syse
Bus error (core dumped)
-------------------------------------------
The last one is a FreeBSD box.
--
................................................................
: jakob@unthought.net : And I see the elder races, :
:.........................: putrid forms of man :
: Jakob Østergaard : See him rise and claim the earth, :
: OZ9ABN : his downfall is at hand. :
:.........................:............{Konkhra}...............:
next prev parent reply other threads:[~2003-08-25 7:49 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-08-21 20:41 [PATCH] Pentium Pro - sysenter - doublefault Jim Houston
2003-08-21 21:32 ` Mikael Pettersson
2003-08-22 2:18 ` [PATCH2] " Jim Houston
2003-08-25 5:56 ` [PATCH] " Jamie Lokier
2003-08-25 6:09 ` Jamie Lokier
2003-09-03 12:50 ` Pavel Machek
2003-09-08 14:05 ` Jamie Lokier
2003-08-25 4:05 ` Jamie Lokier
2003-08-25 4:14 ` Jakob Oestergaard
2003-08-25 5:50 ` Jamie Lokier
2003-08-25 6:29 ` Jamie Lokier
2003-08-25 7:49 ` Jakob Oestergaard [this message]
2003-08-25 18:15 ` Jim Houston
2003-08-26 12:26 ` Richard Curnow
2003-08-27 14:01 ` Jamie Lokier
2003-08-27 14:23 ` Richard Curnow
2003-08-27 14:25 ` dl-ipaddr
2003-08-27 15:15 ` Stan Bubrouski
2003-08-27 16:02 ` Pasi Savolainen
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