Date: Tue, 6 Jul 1999 02:38:16 -0400 (EDT) From: "Brian F. Feldman" <green@FreeBSD.org> To: current@FreeBSD.org Subject: Re: Strange CPU name reported on my k6-II system (fwd) Message-ID: <Pine.BSF.4.10.9907060238010.92619-100000@janus.syracuse.net>
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Thanks.
Brian Fundakowski Feldman _ __ ___ ____ ___ ___ ___
green@FreeBSD.org _ __ ___ | _ ) __| \
FreeBSD: The Power to Serve! _ __ | _ \._ \ |) |
http://www.FreeBSD.org/ _ |___/___/___/
---------- Forwarded message ----------
Date: Tue, 06 Jul 1999 09:35:18 +0300
From: Maxim Sobolev <sobomax@altavista.net>
To: Brian F. Feldman <green@FreeBSD.org>
Subject: Re: Strange CPU name reported on my k6-II system
You are probably forget to send this reply to current@freebsd.org
-Maxim
"Brian F. Feldman" wrote:
> On Tue, 6 Jul 1999, Greg Lehey wrote:
>
> > On Monday, 5 July 1999 at 20:13:57 +0300, Maxim Sobolev wrote:
> > > When I take a closer look at dmesg output I discovered that my k6-II
> > > reported as "\^M". Maybe it is because I have an very first stepping (I
> > > bought my CPU shortly after k6-II appeared on market). Maserboard used -
> > > Tyan Trinity 100AT (VIA MP3 chipset).
> > >
> > > Any ideas?
> > >
> > > Timecounter "i8254" frequency 1193026 Hz
> > > CPU: \^E (300.64-MHz 586-class CPU)
> > > ^^^^^^^^
> > > Origin = "AuthenticAMD" Id = 0x580 Stepping=0
> > > Features=0x8001bf<FPU,VME,DE,PSE,TSC,MSR,MCE,CX8,MMX>
> > > AMD
> > > Features=0x808009bf<FPU,VME,DE,PSE,TSC,MSR,MCE,CX8,SYSCALL,MMX,3DNow!>
> > > Data TLB: 128 entries, 2-way associative
> > > Instruction TLB: 64 entries, 1-way associative
> > > L1 data cache: 32 kbytes, 32 bytes/line, 2 lines/tag, 2-way associative
> > > L1 instruction cache: 32 kbytes, 32 bytes/line, 2 lines/tag, 2-way
> > > associative
> > > Write Allocate Enable Limit: 64M bytes
> > > Write Allocate 15-16M bytes: Enable
> >
> > I believe green was doing some work in this area in the last day or
> > two.
>
> Yes, I committed some K6-related things. See that AMD Features line? Closed
> a PR while I was at it, since that was the commit. The code is pretty much
> just how I would have done it, although MAYBE I'd move it into the default.
> Anyway, here's the thing: this has been reported before. I need to know
> if it's the same person. If not, then it seems Stepping 0 has this bug.
> I don't know why the CPU is doing this, but I know what it's doing. AMDs
> of a certain stepping and greater will name themselves. i.e.
> CPU: AMD-K6(tm) 3D processor (350.81-MHz 586-class CPU)
> That's my K6-2, a K6-(tm) 3D. Now, we're getting this from the CPU's registers
> after a specific call. If I can find out a specific stepping of this CPU
> exhibits this behavior, perhaps it's a bug that was fixed later on. Would
> those of you with K6-2's that are either:
> 1. Stepping=0 (Id = 0x580)
> or
> 2. Noticing strange CPU names
> please contact me?
>
> >
> > Greg
> > --
> > See complete headers for address, home page and phone numbers
> > finger grog@lemis.com for PGP public key
> >
>
> Brian Fundakowski Feldman _ __ ___ ____ ___ ___ ___
> green@FreeBSD.org _ __ ___ | _ ) __| \
> FreeBSD: The Power to Serve! _ __ | _ \._ \ |) |
> http://www.FreeBSD.org/ _ |___/___/___/
--
"We believe in the Power and the Might!"
(Manowar, 1996)
----------------------------------------
Maxim V. Sobolev, Financial Analyst,
Vega International Capital
Phone: +380-(44)-246-6396
Fax: +380-(44)-220-8715
E-mail: sobomax@altavista.net
ICQ: #42290709
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