Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754939AbZAEWab (ORCPT ); Mon, 5 Jan 2009 17:30:31 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751356AbZAEWaX (ORCPT ); Mon, 5 Jan 2009 17:30:23 -0500 Received: from hera.kernel.org ([140.211.167.34]:38907 "EHLO hera.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750926AbZAEWaW (ORCPT ); Mon, 5 Jan 2009 17:30:22 -0500 Message-ID: <496289E3.6010407@kernel.org> Date: Mon, 05 Jan 2009 14:29:55 -0800 From: Yinghai Lu User-Agent: Thunderbird 2.0.0.18 (X11/20081112) MIME-Version: 1.0 To: david@lang.hm CC: Ingo Molnar , Cyrill Gorcunov , Jiri Slaby , Andi Kleen , LKML Subject: Re: early exception error References: <20090102174845.GD5372@localhost> <20090102203058.GH5372@localhost> <20090103161052.GB11093@localhost> <20090103190316.GB7367@localhost> <20090103212426.GC7367@localhost> <496001A3.1040201@gmail.com> <20090104112919.GC7632@localhost> <86802c440901051355o60bef5bai2a33ea5f7e4dc5f7@mail.gmail.com> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2735 Lines: 71 david@lang.hm wrote: > On Mon, 5 Jan 2009, Yinghai Lu wrote: > >> Can you send out boot log with working kernel before 2.6.28? >> >> need to look at the e820 table. > > > here is the 32 bit kernel I'm running now (from dmesg ) > > Linux version 2.6.25.14 (root@dlang) (gcc version 3.3.6) #1 SMP PREEMPT > Mon Aug 4 18:22:50 PDT 2008 > BIOS-provided physical RAM map: > BIOS-e820: 0000000000000000 - 000000000009fc00 (usable) > BIOS-e820: 000000000009fc00 - 00000000000a0000 (reserved) > BIOS-e820: 00000000000e0000 - 0000000000100000 (reserved) > BIOS-e820: 0000000000100000 - 000000004cff0000 (usable) > BIOS-e820: 000000004cff0000 - 000000004cfff000 (ACPI data) > BIOS-e820: 000000004cfff000 - 000000004d000000 (ACPI NVS) > BIOS-e820: 00000000ff780000 - 0000000100000000 (reserved) > BIOS-e820: 0000000100000000 - 0000000180000000 (usable) > Warning only 4GB will be used. > Use a HIGHMEM64G enabled kernel. > 3200MB HIGHMEM available. > 896MB LOWMEM available. > Scan SMP from c0000000 for 1024 bytes. > Scan SMP from c009fc00 for 1024 bytes. > Scan SMP from c00f0000 for 65536 bytes. > found SMP MP-table at [c00ff780] 000ff780 > Entering add_active_range(0, 0, 1048576) 0 entries of 256 used > Zone PFN ranges: > DMA 0 -> 4096 > Normal 4096 -> 229376 > HighMem 229376 -> 1048576 > Movable zone start PFN for each node > early_node_map[1] active PFN ranges > 0: 0 -> 1048576 > On node 0 totalpages: 1048576 > DMA zone: 32 pages used for memmap > DMA zone: 0 pages reserved > DMA zone: 4064 pages, LIFO batch:0 > Normal zone: 1760 pages used for memmap > Normal zone: 223520 pages, LIFO batch:31 > HighMem zone: 6400 pages used for memmap > HighMem zone: 812800 pages, LIFO batch:31 > Movable zone: 0 pages used for memmap BIOS-provided physical RAM map: BIOS-e820: 0000000000000000 - 000000000009fc00 (usable) BIOS-e820: 000000000009fc00 - 00000000000a0000 (reserved) BIOS-e820: 00000000000e0000 - 0000000000100000 (reserved) BIOS-e820: 0000000000100000 - 000000004cff0000 (usable) BIOS-e820: 000000004cff0000 - 000000004cfff000 (ACPI data) BIOS-e820: 000000004cfff000 - 000000004d000000 (ACPI NVS) BIOS-e820: 00000000ff780000 - 0000000100000000 (reserved) BIOS-e820: 0000000100000000 - 0000000180000000 (usable) and for pci mem route: node0 [0, 2g), node1 is [4g, 6g) and e820 said only 3g can be used... [0, 1g), and [4g, 6g) please check if you can change HW memhole setup to 3g instead 2g. YH -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/