From: "H. Peter Anvin" <hpa@zytor.com>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Christian <haveaniceday@cv-sv.de>, linux-kernel@vger.kernel.org
Subject: Re: 2.6.22-rc1 does not boot on VIA C3_2 cause of X86_CMPXCHG64
Date: Wed, 16 May 2007 20:05:35 -0700 [thread overview]
Message-ID: <464BC67F.7080707@zytor.com> (raw)
In-Reply-To: <alpine.LFD.0.98.0705161920410.3890@woody.linux-foundation.org>
Linus Torvalds wrote:
>
> On Thu, 17 May 2007, Christian wrote:
>
>> Linus Torvalds wrote:
>>> Can you check? The Nehemian (C3-2) should be model 9 or greater.
>> Yes, it's a Nehemiah
>
> Ok. If so, we should blacklist both MCYRIXIII and MVIAC3_2, I suspect.
>
>> lola:~ # cat /proc/cpuinfo
>> flags : fpu vme de pse tsc msr cx8 sep mtrr pge cmov pat mmx fxsr sse rng rng_en ace ace_en
>
> However, it does seem to *claim* to support "cx8" aka cmpxchg8b. What's up
> with that?
It gets turned on by the code in arch/i386/kernel/cpu. It's just that
the new code that Andi added runs during setup, i.e. in real mode, so
*way* earlier than that.
-hpa
next prev parent reply other threads:[~2007-05-17 3:06 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-05-17 0:09 2.6.22-rc1 does not boot on VIA C3_2 cause of X86_CMPXCHG64 Christian
2007-05-17 0:42 ` Dave Jones
2007-05-17 1:15 ` H. Peter Anvin
2007-05-17 1:55 ` H. Peter Anvin
2007-05-17 1:39 ` Christian
2007-05-17 21:28 ` Christian Volkmann
2007-05-17 21:47 ` Dave Jones
2007-05-17 21:59 ` Christian Volkmann
2007-05-31 5:22 ` [RFC: 2.6 patch] i386: remove support for the Rise CPU Adrian Bunk
2007-05-31 13:31 ` Dave Jones
2007-05-31 17:37 ` Christian Volkmann
2007-05-31 17:48 ` Dave Jones
2007-05-19 10:22 ` 2.6.22-rc1 does not boot on VIA C3_2 cause of X86_CMPXCHG64 Hans de Bruin
2007-05-17 8:56 ` Alan Cox
2007-05-17 11:51 ` Andi Kleen
2007-05-17 15:02 ` Dave Jones
2007-05-17 22:14 ` H. Peter Anvin
2007-05-19 5:53 ` 2.6.22-rc1 does not boot on VIA C3_2 cause of X86_CMPXCHG64 II Andi Kleen
2007-05-19 6:02 ` Dave Jones
2007-05-19 11:47 ` Andi Kleen
2007-05-19 17:23 ` Dave Jones
2007-05-19 8:22 ` Claas Langbehn
2007-05-19 18:10 ` H. Peter Anvin
2007-05-19 11:42 ` Christian Volkmann
2007-05-19 11:54 ` Andi Kleen
2007-05-23 21:50 ` H. Peter Anvin
2007-05-19 17:26 ` Claas Langbehn
2007-05-19 20:22 ` Via C3: other flags possible ? Christian Volkmann
2007-05-19 22:36 ` Christian Volkmann
2007-05-19 22:52 ` Via C3/C7: " Simon Arlott
2007-05-20 8:19 ` Claas Langbehn
2007-05-20 13:14 ` Christian Volkmann
2007-05-20 12:59 ` Via C3: " Andi Kleen
2007-05-19 17:54 ` 2.6.22-rc1 does not boot on VIA C3_2 cause of X86_CMPXCHG64 II Claas Langbehn
2007-05-17 1:10 ` 2.6.22-rc1 does not boot on VIA C3_2 cause of X86_CMPXCHG64 Linus Torvalds
2007-05-17 1:25 ` Christian
2007-05-17 2:21 ` Linus Torvalds
2007-05-17 3:05 ` H. Peter Anvin [this message]
2007-05-17 3:16 ` Linus Torvalds
2007-05-17 4:51 ` H. Peter Anvin
2007-05-17 6:18 ` Dave Jones
2007-05-17 6:31 ` H. Peter Anvin
2007-05-17 6:17 ` Dave Jones
2007-05-17 9:22 ` Hans de Bruin
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=464BC67F.7080707@zytor.com \
--to=hpa@zytor.com \
--cc=haveaniceday@cv-sv.de \
--cc=linux-kernel@vger.kernel.org \
--cc=torvalds@linux-foundation.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).