Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752193AbZL1QaH (ORCPT ); Mon, 28 Dec 2009 11:30:07 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751631AbZL1QaG (ORCPT ); Mon, 28 Dec 2009 11:30:06 -0500 Received: from smtp.witbe.net ([81.88.96.48]:43283 "EHLO smtp.witbe.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751311AbZL1QaE convert rfc822-to-8bit (ORCPT ); Mon, 28 Dec 2009 11:30:04 -0500 X-Greylist: delayed 788 seconds by postgrey-1.27 at vger.kernel.org; Mon, 28 Dec 2009 11:30:04 EST Date: Mon, 28 Dec 2009 17:15:41 +0100 From: Paul Rolland To: Paul Rolland (=?UTF-8?B?44Od44O844Or44O744Ot44Op44Oz?=) Cc: Ingo Molnar , Len Brown , Linus Torvalds , Dmitry Torokhov , Matthew Garrett , Linux Kernel Mailing List , rol@witbe.net Subject: Re: -tip: origin tree boot crash Message-ID: <20091228171541.48557026@tux.DEF.witbe.net> In-Reply-To: <20091228160212.1f70d825@tux.DEF.witbe.net> References: <20091225102731.GA25513@elte.hu> <20091228094444.GG24690@elte.hu> <20091228120125.GA10911@elte.hu> <20091228160212.1f70d825@tux.DEF.witbe.net> Organization: AS2917.net X-Mailer: Claws Mail 3.7.3 (GTK+ 2.16.6; x86_64-unknown-linux-gnu) Face: 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 Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 6762 Lines: 134 Hello, On Mon, 28 Dec 2009 16:02:12 +0100 Paul Rolland (ポール・ロラン) wrote: > Message from syslogd@tux at Dec 28 16:00:22 ... > kernel:CR2: 0000000100000024 > Dec 28 16:00:22 tux kernel: ACPI: WMI: Mapper loaded > Dec 28 16:00:22 tux kernel: input: Dell WMI hotkeys > as /devices/virtual/input/input13 Dec 28 16:00:22 tux kernel: BUG: unable > to handle kernel paging request at 0000000100000024 Dec 28 16:00:22 tux > kernel: IP: [] wmi_install_notify_handler+0x39/0x80 > [wmi] Dec 28 16:00:22 tux kernel: PGD 565f3067 PUD 0 Dec 28 16:00:22 tux > kernel: Oops: 0000 [#1] SMP Dec 28 16:00:22 tux kernel: last sysfs > file: /sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq Dec 28 > 16:00:22 tux kernel: CPU 1 Dec 28 16:00:22 tux kernel: Pid: 20215, comm: > modprobe Not tainted 2.6.33-rc2 #1 0T816J/Vostro 1520 Dec 28 16:00:22 tux > kernel: RIP: 0010:[] [] > wmi_install_notify_handler+0x39/0x80 [wmi] Dec 28 16:00:22 tux kernel: > RSP: 0018:ffff88009434bed8 EFLAGS: 00010202 Dec 28 16:00:22 tux kernel: > RAX: 0000000000000015 RBX: ffffffffa014f0f0 RCX: 000000000000009d Dec 28 > 16:00:22 tux kernel: RDX: 00000000fffffff4 RSI: ffff88009434be98 RDI: > ffff88009434be8c Dec 28 16:00:22 tux kernel: RBP: ffff88009434bef8 R08: > ffff88009434be88 R09: 0000000000000010 Dec 28 16:00:22 tux kernel: R10: > ffff88009434bee0 R11: 0000000000000006 R12: 0000000000000000 Dec 28 > 16:00:22 tux kernel: R13: 0000000002188470 R14: 0000000000000000 R15: > 0000000000000000 Dec 28 16:00:22 tux kernel: FS: 00007fb6aa7446f0(0000) > GS:ffff880028300000(0000) knlGS:0000000000000000 Dec 28 16:00:22 tux > kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b Dec 28 16:00:22 > tux kernel: CR2: 0000000100000024 CR3: 00000000bd319000 CR4: > 00000000000406e0 Dec 28 16:00:22 tux kernel: DR0: 0000000000000000 DR1: > 0000000000000000 DR2: 0000000000000000 Dec 28 16:00:22 tux kernel: DR3: > 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Dec 28 > 16:00:22 tux kernel: Process modprobe (pid: 20215, threadinfo > ffff88009434a000, task ffff8800a3a0ace0) Dec 28 16:00:22 tux kernel: > Stack: Dec 28 16:00:22 tux kernel: ffff88009434bef8 00000000fffffff4 > 0000000000000000 ffffffffa0152000 Dec 28 16:00:22 tux kernel: <0> > ffff88009434bf18 ffffffffa0152142 0000000000000000 0000000000000000 Dec > 28 16:00:22 tux kernel: <0> ffff88009434bf48 ffffffff810001d7 > 0000000000000000 ffffffffa014f780 Dec 28 16:00:22 tux kernel: Call Trace: > Dec 28 16:00:22 tux kernel: [] ? > dell_wmi_init+0x0/0x14a [dell_wmi] Dec 28 16:00:22 tux kernel: > [] dell_wmi_init+0x142/0x14a [dell_wmi] Dec 28 16:00:22 > tux kernel: [] do_one_initcall+0x37/0x190 Dec 28 > 16:00:22 tux kernel: [] sys_init_module+0xd8/0x250 Dec > 28 16:00:22 tux kernel: [] > system_call_fastpath+0x16/0x1b Dec 28 16:00:22 tux kernel: Code: 65 f8 48 > 89 f3 49 89 d4 48 85 f6 74 35 48 85 ff 74 30 48 8d 75 e8 e8 27 fd ff ff > 48 8b 55 e8 b8 06 00 00 00 48 85 d2 74 09 b0 15 <48> 83 7a 30 00 74 20 48 > 8b 5d f0 4c 8b 65 f8 c9 c3 66 0f 1f 44 Dec 28 16:00:22 tux kernel: RIP > [] wmi_install_notify_handler+0x39/0x80 [wmi] Dec 28 > 16:00:22 tux kernel: RSP Dec 28 16:00:22 tux kernel: > CR2: 0000000100000024 Dec 28 16:00:22 tux kernel: ---[ end trace > d18b623021a6c139 ]--- I've fixed this one by changing wmi.c : --- wmi.c 2009-12-28 17:11:52.000000000 +0100 +++ wmi.c.changed 2009-12-28 17:12:17.000000000 +0100 @@ -488,12 +488,13 @@ { struct wmi_block *block; acpi_status status; + bool err; if (!guid || !handler) return AE_BAD_PARAMETER; - find_guid(guid, &block); - if (!block) + err = find_guid(guid, &block); + if (!err) return AE_NOT_EXIST; if (block->handler) Signed-off-by: rol@as2917.net but now I have : input: Dell WMI hotkeys as /devices/virtual/input/input13 dell-wmi: Unable to register notify handler - 6 sys_init_module: 'dell_wmi'->init suspiciously returned 6, it should follow 0/-E convention sys_init_module: loading module anyway... Pid: 2220, comm: modprobe Not tainted 2.6.33-rc2 #1 Call Trace: [] sys_init_module+0x1da/0x250 [] system_call_fastpath+0x16/0x1b Then, I tried to remove dell-wmi to fix the warning, and then I have : BUG: unable to handle kernel NULL pointer dereference at 00000000000008b0 IP: [] wmi_remove_notify_handler+0x2b/0x60 [wmi] PGD bb506067 PUD bd170067 PMD 0 Oops: 0000 [#1] SMP last sysfs file: /sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq CPU 1 Pid: 3833, comm: rmmod Not tainted 2.6.33-rc2 #1 0T816J/Vostro 1520 RIP: 0010:[] [] wmi_remove_notify_handler+0x2b/0x60 [wmi] RSP: 0000:ffff8800bd3e7ea8 EFLAGS: 00010202 RAX: 000000000000000a RBX: 0000000000000880 RCX: 000000000000009d RDX: 0000000000000000 RSI: ffff8800bd3e7e68 RDI: 0000000000000880 RBP: ffff8800bd3e7eb8 R08: ffff8800bd3e7e58 R09: 0000000000000010 R10: ffff8800bd3e7eb0 R11: 0000000000000006 R12: ffffffffa0251780 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001 FS: 00007f628c4c46f0(0000) GS:ffff880028300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b CR2: 00000000000008b0 CR3: 00000000bb429000 CR4: 00000000000406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Process rmmod (pid: 3833, threadinfo ffff8800bd3e6000, task ffff88013e43d9c0) Stack: ffff8800bd3e7ec8 0000000000000880 ffff8800bd3e7ec8 ffffffffa0251374 <0> ffff8800bd3e7f78 ffffffff81072091 ffff88010aa39040 ffff88013e43d9c0 <0> ffffffffa0251780 ffffffff00000880 ffff8800bd3e7f14 ffffffff81024461 Call Trace: [] dell_wmi_exit+0x10/0x1e [dell_wmi] [] sys_delete_module+0x1b1/0x290 [] ? do_page_fault+0x131/0x2d0 [] system_call_fastpath+0x16/0x1b Code: 55 b8 01 10 00 00 48 89 e5 48 83 ec 10 48 85 ff 74 3f 48 8d 75 f8 e8 95 fd ff ff 48 8b 7d f8 b8 06 00 00 00 48 85 ff 74 28 b0 0a <48> 83 7f 30 00 74 1f 31 f6 e8 37 ff ff ff 48 8b 55 f8 48 c7 42 RIP [] wmi_remove_notify_handler+0x2b/0x60 [wmi] RSP CR2: 00000000000008b0 ---[ end trace b8447e2a4bf54240 ]--- Paul -- 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/