From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Sat, 14 Dec 2002 12:07:59 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Sat, 14 Dec 2002 12:07:59 -0500 Received: from services.cam.org ([198.73.180.252]:16525 "EHLO mail.cam.org") by vger.kernel.org with ESMTP id ; Sat, 14 Dec 2002 12:07:56 -0500 Content-Type: text/plain; charset="us-ascii" From: Ed Tomlinson Organization: me To: linux-kernel@vger.kernel.org, "Eric W.Biederman" Subject: Re: [PATCH] kexec for 2.5.51.... Date: Sat, 14 Dec 2002 12:15:49 -0500 User-Agent: KMail/1.4.3 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Message-Id: <200212141215.49449.tomlins@cam.org> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Eric W. Biederman wrote: > Linus, > > My apologies for not resending this earlier I've been terribly > busy with other things.. > > No changes are included since the last time I sent this except > the diff now patches cleanly onto 2.5.51. If there is some problem > holler and I will see about fixing it. > > When I bypass the BIOS in booting clients my only current failure > report is on an IBM NUMAQ and that almost worked. I applied this to a 2.5.51 kernel with usb and fbcon updated via bk pulls. Then after rebooting into the new kernel I tried kexec -l /vmlinux.25 --append="console=tty0 console=ttyS0,38400 video=matrox:mem:32 idebus=33 profile=1" kexec -ed This rebooted but hangs at: drivers/usb/host/uhci-hcd.c: USB Universal Host Controller Interface driver v2.0 when the boot works I expect to see: uhci-hcd 00:07.2: VIA Technologies, In USB uhci-hcd 00:07.2: irq 10, io base 0000a400 drivers/usb/core/hcd.c: new USB bus registered, assigned bus number 1 drivers/usb/core/hub.c: USB hub found at 0 drivers/usb/core/hub.c: 2 ports detected mice: PS/2 mouse device common for all mice following the above message. kexec is version 1.8 built with gcc 2.95.4 and the distrubition is debian unstable. lspci -v gives: 00:00.0 Host bridge: VIA Technologies, Inc. VT82C598 [Apollo MVP3] (rev 04) Flags: bus master, medium devsel, latency 16 Memory at e0000000 (32-bit, prefetchable) [size=64M] Capabilities: 00:01.0 PCI bridge: VIA Technologies, Inc. VT82C598/694x [Apollo MVP3/Pro133x AGP] (prog-if 00 [Normal decode]) Flags: bus master, 66Mhz, medium devsel, latency 0 Bus: primary=00, secondary=01, subordinate=01, sec-latency=0 I/O behind bridge: 00009000-00009fff Memory behind bridge: e4000000-e7ffffff Prefetchable memory behind bridge: e8000000-e9ffffff 00:07.0 ISA bridge: VIA Technologies, Inc. VT82C586/A/B PCI-to-ISA [Apollo VP] (rev 47) Subsystem: VIA Technologies, Inc. MVP3 ISA Bridge Flags: bus master, stepping, medium devsel, latency 0 00:07.1 IDE interface: VIA Technologies, Inc. Bus Master IDE (rev 06) (prog-if 8a [Master SecP PriP]) Flags: bus master, medium devsel, latency 64 I/O ports at a000 [size=16] 00:07.2 USB Controller: VIA Technologies, Inc. USB (rev 02) (prog-if 00 [UHCI]) Subsystem: VIA Technologies, Inc. (Wrong ID) USB Controller Flags: bus master, medium devsel, latency 64, IRQ 10 I/O ports at a400 [size=32] 00:07.3 Host bridge: VIA Technologies, Inc. VT82C586B ACPI (rev 10) Flags: medium devsel, IRQ 9 00:08.0 Ethernet controller: VIA Technologies, Inc. VT3043 [Rhine] (rev 06) Subsystem: D-Link System Inc DFE-530TX rev A Flags: bus master, medium devsel, latency 64, IRQ 11 I/O ports at a800 [size=128] Memory at ed120000 (32-bit, non-prefetchable) [size=128] Expansion ROM at ea000000 [disabled] [size=64K] 00:09.0 Unknown mass storage controller: Promise Technology, Inc. 20267 (rev 02) Subsystem: Promise Technology, Inc. Ultra100 Flags: bus master, medium devsel, latency 64, IRQ 12 I/O ports at ac00 [size=8] I/O ports at b000 [size=4] I/O ports at b400 [size=8] I/O ports at b800 [size=4] I/O ports at bc00 [size=64] Memory at ed100000 (32-bit, non-prefetchable) [size=128K] Expansion ROM at eb000000 [disabled] [size=64K] Capabilities: 00:0a.0 Ethernet controller: Digital Equipment Corporation DECchip 21140 [FasterNet] (rev 22) Subsystem: Kingston Technologies KNE100TX Fast Ethernet Flags: bus master, medium devsel, latency 64, IRQ 9 I/O ports at c000 [size=128] Memory at ed122000 (32-bit, non-prefetchable) [size=128] Expansion ROM at ec000000 [disabled] [size=256K] 00:0b.0 Multimedia audio controller: Cirrus Logic CS 4614/22/24 [CrystalClear SoundFusion Audio Accelerator] (rev 01) Flags: bus master, medium devsel, latency 64, IRQ 9 Memory at ed121000 (32-bit, non-prefetchable) [size=4K] Memory at ed000000 (32-bit, non-prefetchable) [size=1M] Capabilities: 01:00.0 VGA compatible controller: Matrox Graphics, Inc. MGA G400 AGP (rev 04) (prog-if 00 [VGA]) Subsystem: Matrox Graphics, Inc. Millennium G400 MAX/Dual Head 32Mb Flags: bus master, medium devsel, latency 64, IRQ 11 Memory at e8000000 (32-bit, prefetchable) [size=32M] Memory at e4000000 (32-bit, non-prefetchable) [size=16K] Memory at e5000000 (32-bit, non-prefetchable) [size=8M] Expansion ROM at [disabled] [size=64K] Capabilities: Am I using kexec correctly? What else can I try? Is there any debug info I can gather? One other datum. Without the --append line a kernel booted with kexec hangs when tring to mount the real root - it cannot find the device. TIA, Ed Tomlinson