From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with archive (Exim 4.43) id 1E4DNp-0007kO-9v for mharc-grub-devel@gnu.org; Sun, 14 Aug 2005 03:58:17 -0400 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1E4DND-0007eq-6V for grub-devel@gnu.org; Sun, 14 Aug 2005 03:57:39 -0400 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1E4DN8-0007e8-SP for grub-devel@gnu.org; Sun, 14 Aug 2005 03:57:37 -0400 Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1E4DN5-0007a8-Ql for grub-devel@gnu.org; Sun, 14 Aug 2005 03:57:32 -0400 Received: from [64.233.170.201] (helo=rproxy.gmail.com) by monty-python.gnu.org with esmtp (Exim 4.34) id 1E4DSl-0007wm-1B for grub-devel@gnu.org; Sun, 14 Aug 2005 04:03:23 -0400 Received: by rproxy.gmail.com with SMTP id y7so661065rne for ; Sun, 14 Aug 2005 00:47:52 -0700 (PDT) DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:disposition-notification-to:date:from:user-agent:x-accept-language:mime-version:to:subject:references:in-reply-to:content-type:content-transfer-encoding; b=lMMj6gS5BserYQpCo47V8z2gZWJaBpoDLIfWA6agPKLLYl3R2vbPsZULwrvwK3XB5fH8MlNrnI8x3VOqaMTSVWd+x7sQ8G830GBZA8evuu90x3SF28NxUtmHh+3PT3qMeREe6bq+8eIb1Aol3fZA3fgE44kniWSCT8wEieksZFA= Received: by 10.38.75.6 with SMTP id x6mr1609961rna; Sun, 14 Aug 2005 00:47:52 -0700 (PDT) Received: from ?192.168.1.100? ([83.76.3.140]) by mx.gmail.com with ESMTP id 71sm2643346rna.2005.08.14.00.47.52; Sun, 14 Aug 2005 00:47:52 -0700 (PDT) Message-ID: <42FEF726.2090201@gmail.com> Date: Sun, 14 Aug 2005 09:47:50 +0200 From: Vladimir Serbinenko User-Agent: Mozilla Thunderbird 1.0.2-1.3.2 (X11/20050324) X-Accept-Language: en-us, en MIME-Version: 1.0 To: The development of GRUB 2 References: <200508071939.45278.okuji@enbug.org> <200508111558.11633.okuji@enbug.org> <42FB6506.8050302@gmail.com> <200508122211.30478.okuji@enbug.org> In-Reply-To: <200508122211.30478.okuji@enbug.org> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Subject: Re: GRUB 1.90 is released X-BeenThere: grub-devel@gnu.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: The development of GRUB 2 List-Id: The development of GRUB 2 List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 14 Aug 2005 07:57:44 -0000 Yoshinori K. Okuji wrote: > >Do you mean 80386? Of course, no. I don't have such an old CPU. > > > But some people use old PC like a home servers. But 80386 I suppose is not very used because it can't have more than a few hundred Mb hard disk, which is important criteria for home server, more important than CPU. >AFAIK, this problem may happen only in a certain model of 80386, and there is >no way to make sure to invalidate the cache in 80386. So we have nothing to >do with this. > > Perhaps if we read a huge block of memory it will do the trick? >BTW, why do you say 2 microseconds? Where does this come from? > > > outb %al, $0x80 In documentation it's written that it causes a wait of 1 microsecond On the same page it's written that some laptops have the problem with 0x0 and 0x100000 addresses. Perhaps we should move the test address? Vladimir