Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750848AbXAEXNS (ORCPT ); Fri, 5 Jan 2007 18:13:18 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750850AbXAEXNS (ORCPT ); Fri, 5 Jan 2007 18:13:18 -0500 Received: from ug-out-1314.google.com ([66.249.92.174]:59849 "EHLO ug-out-1314.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750848AbXAEXNQ (ORCPT ); Fri, 5 Jan 2007 18:13:16 -0500 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:to:subject:mime-version:content-type:content-transfer-encoding:content-disposition; b=SJ9NyUJDzKzfp1fjZHR7tU53XqaY1majoZ+QtZLtEWW2eT4ZcaRP0Y2rXFFSK32E2AcRJCpWnahGaMJ8oL6x0I1J34Upo46o7/go9SECxU+7MZH7vPRsQlLtwdakGcfgqsSDgc5KUI78u39V9gv9LqaGJOILbH4UWCFLlkeYpu0= Message-ID: Date: Sat, 6 Jan 2007 09:43:14 +1030 From: "Tom Lanyon" To: linux-kernel@vger.kernel.org Subject: runaway loop modprobe binfmt-0000 MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2468 Lines: 61 Greetings, I'm encountering a rather annoying error on one of our AMD Opteron boxes. I recompiled the working 2.6.17 kernel to add some extra SCSI support and booted to find something similar to: usbcore: registered new interface driver usb-storage USB Mass Storage support registered. usbcore: registered new interface driver hiddev usbcore: registered new interface driver usbhid drivers/usb/input/hid-core.c: v2.6:USB HID core driver PNP: PS/2 Controller [PNP0303:KBD,PNP0f0e:PS2M] at 0x60,0x64 irq 1,12 serio: i8042 KBD port at 0x60,0x64 irq 1 serio: i8042 AUX port at 0x60,0x64 irq 12 mice: PS/2 mouse device common for all mice device-mapper: ioctl: 4.10.0-ioctl (2006-09-14) initialised: dm-devel@redhat.com device-mapper: multipath: version 1.0.5 loaded device-mapper: multipath round-robin: version 1.0.0 loaded device-mapper: multipath emc: version 0.0.3 loaded TCP cubic registered NET: Registered protocol family 1 NET: Registered protocol family 17 Freeing unused kernel memory: 324k freed request_module: runaway loop modprobe binfmt-0000 request_module: runaway loop modprobe binfmt-0000 request_module: runaway loop modprobe binfmt-0000 request_module: runaway loop modprobe binfmt-0000 request_module: runaway loop modprobe binfmt-0000 ... and then a hung kernel. I figured I'd enabled/disabled something I shouldn't have and went through the kernel config many times, recompiling with different options (including ELF and misc emulation support), but to no avail. As time ticked closer to 5pm on a Friday my interest decreased and so I tried upgrading to 2.6.18 and then 2.6.19, with a tonne of different configurations. Still nothing. The best I could achieve was on a fresh 2.6.19.1 I managed to pass the modprobe and load some input drivers, but then it hung directly after that. ... request_module: runaway loop modprobe binfmt-0000 request_module: runaway loop modprobe binfmt-0000 request_module: runaway loop modprobe binfmt-0000 input: AT Translated Set 2 keyboard as /class/input/input0 input: PS/2 Generic Mouse as /class/input/input1 Any advice on debugging this would be appreciated. How can I discover what is trying to load binfmt-0000 and why is it looping? Regards -- Tom Lanyon - 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/