From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Tue, 9 Jan 2001 17:00:25 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Tue, 9 Jan 2001 17:00:15 -0500 Received: from [64.64.109.142] ([64.64.109.142]:17682 "EHLO quark.didntduck.org") by vger.kernel.org with ESMTP id ; Tue, 9 Jan 2001 16:59:57 -0500 Message-ID: <3A5B89BD.A22F6D8D@didntduck.org> Date: Tue, 09 Jan 2001 16:59:25 -0500 From: Brian Gerst X-Mailer: Mozilla 4.73 [en] (WinNT; U) X-Accept-Language: en MIME-Version: 1.0 To: rob@sysgo.de CC: linux-kernel@vger.kernel.org Subject: Re: Anybody got 2.4.0 running on a 386 ? In-Reply-To: <01010922090000.02630@rob> <3A5B7F76.ABDFED7A@didntduck.org> <01010922264400.02737@rob> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Robert Kaiser wrote: > > On Die, 09 Jan 2001 you wrote: > > Robert Kaiser wrote: > > > I can't seem to get the new 2.4.0 kernel running on a 386 CPU. > > > The kernel was built for a 386 Processor, Math emulation has been enabled. > > > I tried three different 386 boards. Execution seems to get as far as > > > pagetable_init() in arch/i386/mm/init.c, then it falls back into the BIOS as > > > if someone had pressed the reset button. The same kernel boots fine on > > > 486 and Pentium Systems. > > > > > > Any ideas/suggestions ? > > > > > > is "Checking if this processor honours the WP bit even in supervisor > > mode... " the last thing you see before the reset? > > > > No, I don't see _any_ messages from the kernel. The last thing I see is > "Uncompressing Linux... Ok, booting the kernel." I have added some > quick and dirty debug code that writes messages directly to the VGA > screen buffer. According to that, execution seems to get as far as the > statement > > *pte = mk_pte_phys(__pa(vaddr), PAGE_KERNEL); How about this patch (untested)? max_low_pfn should be a global var... diff -urN linux-2.4.0/arch/i386/kernel/setup.c linux/arch/i386/kernel/setup.c --- linux-2.4.0/arch/i386/kernel/setup.c Sun Dec 31 13:26:18 2000 +++ linux/arch/i386/kernel/setup.c Tue Jan 9 17:59:00 2001 @@ -598,7 +598,7 @@ void __init setup_arch(char **cmdline_p) { unsigned long bootmap_size; - unsigned long start_pfn, max_pfn, max_low_pfn; + unsigned long start_pfn, max_pfn; int i; #ifdef CONFIG_VISWS -- Brian Gerst - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/