From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S266137AbUHWQC5 (ORCPT ); Mon, 23 Aug 2004 12:02:57 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S266004AbUHWP7G (ORCPT ); Mon, 23 Aug 2004 11:59:06 -0400 Received: from the-village.bc.nu ([81.2.110.252]:28817 "EHLO localhost.localdomain") by vger.kernel.org with ESMTP id S265808AbUHWPzk (ORCPT ); Mon, 23 Aug 2004 11:55:40 -0400 Subject: Re: Problems compiling kernel modules From: Alan Cox To: Lei Yang Cc: root@chaos.analogic.com, Lee Revell , Sam Ravnborg , Kernel Newbies Mailing List , Linux Kernel Mailing List In-Reply-To: <412A01AC.5020108@nec-labs.com> References: <4127A15C.1010905@nec-labs.com> <20040821214402.GA7266@mars.ravnborg.org> <4127A662.2090708@nec-labs.com> <20040821215055.GB7266@mars.ravnborg.org> <4127B49A.6080305@nec-labs.com> <1093121824.854.167.camel@krustophenia.net> <4129FAC8.3040502@nec-labs.com> <412A01AC.5020108@nec-labs.com> Content-Type: text/plain Content-Transfer-Encoding: 7bit Message-Id: <1093272770.29758.15.camel@localhost.localdomain> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.4.6 (1.4.6-2) Date: Mon, 23 Aug 2004 15:52:52 +0100 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Llu, 2004-08-23 at 15:39, Lei Yang wrote: > Thanks! I did less /var/log/messages, and got the unknown symbols > Unknown symbol __divsf3 > Unknown symbol __fixsfsi > Unknown symbol __subsf3 > Unknown symbol __floatsisf > Unknown symbol __mulsf3 > Unknown symbol __gesf2 > Unknown symbol __addsf3 > > However, I don't know what those symbols are :( I am a bit worried that > maybe I've done something that is not supported by the kernel, like > left-shift 16 bits of an int, or floating operations. You are correct - the kernel doesn't support floating point operations used in kernel space unless you do some fairly tricky stuff.