From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from oss.sgi.com (localhost [127.0.0.1]) by oss.sgi.com (8.12.5/8.12.5) with ESMTP id g6FFvURw003860 for ; Mon, 15 Jul 2002 08:57:30 -0700 Received: (from majordomo@localhost) by oss.sgi.com (8.12.5/8.12.3/Submit) id g6FFvUJx003859 for linux-mips-outgoing; Mon, 15 Jul 2002 08:57:30 -0700 X-Authentication-Warning: oss.sgi.com: majordomo set sender to owner-linux-mips@oss.sgi.com using -f Received: from hermod.qsicorp.com (mail.qsicorp.com [216.190.147.34]) by oss.sgi.com (8.12.5/8.12.5) with SMTP id g6FFvQRw003849 for ; Mon, 15 Jul 2002 08:57:26 -0700 Received: from qsicorp.com (computer195.qsicorp.com [216.190.147.195]) by hermod.qsicorp.com (Postfix) with ESMTP id C4E5617043 for ; Mon, 15 Jul 2002 10:02:17 -0600 (MDT) Message-ID: <3D3300A3.FD50EDEA@qsicorp.com> Date: Mon, 15 Jul 2002 10:04:35 -0700 From: Ryan Martindale X-Mailer: Mozilla 4.79 [en] (X11; U; Linux 2.4.9-31custom i686) X-Accept-Language: en MIME-Version: 1.0 To: linux-mips@oss.sgi.com Subject: fpu woes (TX3912) Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Spam-Status: No, hits=0.0 required=5.0 tests= version=2.20 X-Spam-Level: Sender: owner-linux-mips@oss.sgi.com Precedence: bulk I'm using the tx3912 processor for an embedded device and since it doesn't have an fpu, I don't have coprocessor #1. Recently, I remember seeing a fix in process.c for exit_thread and flush_thread, and did apply it - but there still is a problem (at least for me). In traps.c, the save_fp_context and restore_fp_context are set to _save_fp_context (in r2300_fpu.S) which don't check to see if I have a coprocessor available. As I am rather new to the linux/linux-mips development world, I thought I'd give a heads up (it is causing my embedded system to crash). Any direction on fixing it would be welcome, but I'm not sure I'll get to the point where I will submit any patches any time soon. Ryan Martindale QSI Corporation