From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S264638AbUGBPPl (ORCPT ); Fri, 2 Jul 2004 11:15:41 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S264639AbUGBPPl (ORCPT ); Fri, 2 Jul 2004 11:15:41 -0400 Received: from fmmailgate01.web.de ([217.72.192.221]:37073 "EHLO fmmailgate01.web.de") by vger.kernel.org with ESMTP id S264638AbUGBPPh (ORCPT ); Fri, 2 Jul 2004 11:15:37 -0400 Date: Fri, 2 Jul 2004 17:15:29 +0200 Message-Id: <200407021515.i62FEVbt025846@fmmailgate01.web.de> MIME-Version: 1.0 From: "Michael Tasche" To: rddunlap@osdl.org Cc: linux-kernel@vger.kernel.org Subject: Re: Crash when loading a module (without executing any code of the module!) Organization: http://freemail.web.de/ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hi, attached you will find the .configs of the two kernel-trees. -Michael On Wed, 30 Jun 2004 14:29:48 -0700, Randy.Dunlap wrote: > >Hi- > >On Wed, 30 Jun 2004 15:41:27 +0200 Michael Tasche wrote: >| Hi, >| currently I'm developping a small kernel module for a hardware (which was developped by a friend of mine), which is >| supposed to load a firmware onto a PCI-card. >| >| The development is done together with the friend, who's developping the firmware. >| We tried the following: >| He compiled a kernel-independent object (containing the firmware) on his system using kbuild >| (Dual-AthlonMP, SuSE 8.2 with kernel.org-kernel 2.6.3, module-init-tools 0.9.14-pre2, gcc 3.3.1, >| ld 2.14.90.0.5 20030722). >| Afterwards I tried to link it to my kernel-module (using the same kbuild makefile with >| firmware.o_shipped) on my machine (Fedora2, 2.6.5-3.1smp, module-init-tools 3.0-pre10, gcc 3.3.3, ld 2.15.90.0.3 >| 20040415). >| >| This is what happened: >| >| Unable to handle kernel paging request at virtual address 82d90700 >| printing eip: >| 02135657 >| *pde = 00000000 >| Oops: 0002 [#1] >| PREEMPT SMP >| CPU: 1 >| EIP: 0060:[<02135657>] Not tainted >| EFLAGS: 00010246 (2.6.5-3.1smp) >| EIP is at module_unload_init+0xa/0x4d >| eax: 82d90700 ebx: 82c2387c ecx: 82d8f600 edx: 00000000 >| esi: 82c38f33 edi: 82c40027 ebp: 000005f0 esp: 763c3f38 >| ds: 007b es: 007b ss: 0068 >| Process insmod (pid: 1812, threadinfo=763c2000 task=7f3c60b0) >| Stack: 02136dc0 7864cc40 8282a000 00000000 82d8f600 00000000 00000000 00000000 >| 00000000 00000000 0000000b 00000000 00000010 00000000 00000000 00000009 >| 00000025 00000024 00000026 82c3829c 82c23727 82a94000 0856a008 763c3fc4 >| Call Trace: >| [<02136dc0>] load_module+0x53e/0x7fa >| [<021370da>] sys_init_module+0x5e/0x293 >| >| Code: 89 81 00 11 00 00 89 81 04 11 00 00 89 c8 c7 80 00 01 00 00 > >Some of those stack addresses look odd to me. >Please send me your kernel .config file. > >| What puzzles me, is that I don't see any of my code in the calltrace. I had a look into the >| kernel-code and it seems to crash, before it even jumps into my code. What am I missing? >| By the way, everything works fine, if I compile the entire module on my machine. >| Some more testing showed, that we do also expierence a crash, if we do everything vice-versa. >| >| Regards, >| Michael >| >| P.S: This was also posted by the driver developer to comp.os.linux.development.system. > >Can you post the module source code, or a subset of it that causes >the problem? > >-- >~Randy >- >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/ ________________________________________________________________ Verschicken Sie romantische, coole und witzige Bilder per SMS! Jetzt neu bei WEB.DE FreeMail: http://freemail.web.de/?mc=021193