From mboxrd@z Thu Jan 1 00:00:00 1970 Received: (from majordomo@localhost) by oss.sgi.com (8.11.2/8.11.3) id f9U2SLJ30528 for linux-mips-outgoing; Mon, 29 Oct 2001 18:28:21 -0800 Received: from dea.linux-mips.net (a1as03-p77.stg.tli.de [195.252.186.77]) by oss.sgi.com (8.11.2/8.11.3) with SMTP id f9U2SG030524 for ; Mon, 29 Oct 2001 18:28:17 -0800 Received: (from ralf@localhost) by dea.linux-mips.net (8.11.1/8.11.1) id f9U2SDA07769 for linux-mips@oss.sgi.com; Tue, 30 Oct 2001 03:28:13 +0100 Received: from hermes.mvista.com (gateway-1237.mvista.com [12.44.186.158]) by oss.sgi.com (8.11.2/8.11.3) with SMTP id f9U1kb029778 for ; Mon, 29 Oct 2001 17:46:37 -0800 Received: from mvista.com (IDENT:ahennessy@penelope.mvista.com [10.0.0.122]) by hermes.mvista.com (8.11.0/8.11.0) with ESMTP id f9U1mNB16946; Mon, 29 Oct 2001 17:48:24 -0800 Message-ID: <3BDE0673.20F5C29D@mvista.com> Date: Mon, 29 Oct 2001 17:46:27 -0800 From: Alice Hennessy X-Mailer: Mozilla 4.7 [en] (X11; I; Linux 2.2.12-20b i686) X-Accept-Language: en MIME-Version: 1.0 To: Atsushi Nemoto CC: "linux-mips@oss.sgi.com" , "carstenl@mips.com" , ahennessy@mvista.com, ajob4me@21cn.com Subject: Re: other info about Toshiba TX3927 board boot problem. References: <200110290956.f9T9uc028676@oss.sgi.com> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-linux-mips@oss.sgi.com Precedence: bulk 8route wrote: > Dear Atsushi: > Hi! > I found the reset switch on the TX3927 board can work if you switch it > against the PCI interface when > ================================== > VFS: Mounted root (NFS filesystem). > Freeing unused kernel memory: 44k freed > ======================================== > ,usually I switch it towards the PCI interface. > > And I have fixed the source code of process.c as you said. > >For TX3927, you must skip those two lines in exit_thread() and > >flush_thread(). > > > > set_cp0_status(ST0_CU1, ST0_CU1); > > __asm__ __volatile__("cfc1\t$0,$31"); > > > > > But the problem still exists.The serial console output will stop at > ================================== > VFS: Mounted root (NFS filesystem). > Freeing unused kernel memory: 44k freed > ======================================== > > I think that maybe the Linux system has booted up OK,but there is > something wrong with the serial console because serial ports are integrated > with TX3927.Do you agree?Please consider it in your latest patch. > >By the way, now I'm planning to send patches for TX CPU boards > >(including JMR3927) to oss.sgi.com. If you can wait a while, you can > >try it. > Thank you very much. > > 8route > ajob4me@21cn.com > 10/29/2001 I have already submitted a patch to Ralf for the JMR3927 and am waiting for his reply. We should coordinate to make sure we don't overwrite each other. Alice