Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755219Ab2HIGsH (ORCPT ); Thu, 9 Aug 2012 02:48:07 -0400 Received: from plane.gmane.org ([80.91.229.3]:60851 "EHLO plane.gmane.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753424Ab2HIGsF (ORCPT ); Thu, 9 Aug 2012 02:48:05 -0400 X-Injected-Via-Gmane: http://gmane.org/ To: linux-kernel@vger.kernel.org From: =?UTF-8?B?SsO2cmctVm9sa2VyIFBlZXR6?= Subject: 3.5 kernel NULL pointer dereference net_tx_action Date: Thu, 09 Aug 2012 08:47:44 +0200 Message-ID: <50235D10.6080009@web.de> References: <4FBBB11D.7020904@web.de> <20120522155345.GC14339@google.com> <4FBBC461.4060008@web.de> <20120522170320.GD14339@google.com> <4FBBEDF2.8060803@web.de> <20120523182457.GD18143@google.com> <4FBD40F4.4090201@web.de> <20120523202657.GB3933@htj.dyndns.org> <4FBFA637.6000704@web.de> <4FBFD263.60908@web.de> <4FC2262D.2040105@web.de> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Complaints-To: usenet@dough.gmane.org X-Gmane-NNTP-Posting-Host: p5b37afe3.dip.t-dialin.net User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:10.0.6esrpre) Gecko/20120805 Icedove/10.0.6 In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3441 Lines: 73 Dear maintainers, with kernel 3.5 on debian x86_64 and wpa_supplicant 1.0 on an MSI laptop trying to start the wireless network adapter, results in a kernel oops: BUG: unable to handle kernel NULL pointer dereference at 0000000000000082 IP: [] net_tx_action+0xd0/0xd0 PGD 392aa067 PUD 390b7067 PMD 0 Oops: 0002 [#1] CPU 0 Modules linked in: snd_atiixp_modem snd_atiixp snd_ac97_codec snd_pcm snd_page_alloc ac97_bus arc4 rt2500pci eeprom_93cx6 snd_seq rt2x00pci snd_seq_device snd_timer snd rt2x00lib mac80211 8250_pci soundcore 8139too cfg80211 8250 pcmcia mii serial_core sdhci_pci psmouse sdhci k8temp Pid: 2617, comm: wpa_supplicant Not tainted 3.5.0 #1 MICRO-STAR INT'L CO.,LTD MS-1013 RIP: 0010:[] [] net_tx_action+0xd0/0xd0 RSP: 0018:ffff88003862fc20 EFLAGS: 00010086 RAX: ffff880039326ef8 RBX: ffff88003932b6c0 RCX: 0000000000000000 RDX: 00000000ffffffff RSI: 0000000000000001 RDI: 0000000000000002 RBP: 00000000000000b8 R08: ffffffff813aeee0 R09: ffff88003911aa00 R10: 0000000000000001 R11: 0000000000000000 R12: ffff88003932b6c1 R13: 0000000000000000 R14: ffff8800384251d0 R15: ffff8800384244e0 FS: 00007f6acab12700(0000) GS:ffffffff8153d000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b CR2: 0000000000000082 CR3: 000000003972f000 CR4: 00000000000007f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Process wpa_supplicant (pid: 2617, threadinfo ffff88003862e000, task ffff88003911aa00) Stack: ffffffffa010189d ffff88003a12c578 ffff88003932b6c0 0000000000000001 0000000000000246 ffff8800397f2a78 0000000000000000 0000000000000001 0000000000000000 ffff8800384244e0 ffffffffa0101939 ffff8800397f2a58 Call Trace: [] ? ieee80211_propagate_queue_wake+0xfd/0x110 [mac80211] [] ? ieee80211_wake_queue_by_reason+0x9/0x10 [mac80211] [] ? rt2x00queue_flush_queue+0x6d/0xd0 [rt2x00lib] [] ? rt2x00mac_flush+0x20/0x50 [rt2x00lib] [] ? __ieee80211_recalc_idle+0x202/0x220 [mac80211] [] ? ieee80211_do_open+0x19c/0x7f0 [mac80211] [] ? __dev_open+0x8e/0xe0 [] ? __dev_change_flags+0x9a/0x180 [] ? dev_change_flags+0x20/0x70 [] ? devinet_ioctl+0x667/0x7e0 [] ? sock_ioctl+0x5d/0x260 [] ? do_vfs_ioctl+0x8f/0x550 [] ? d_kill+0xb6/0x110 [] ? dput+0x65/0x130 [] ? sys_ioctl+0x49/0x90 [] ? system_call_fastpath+0x16/0x1b Code: db 48 89 df 75 d5 48 83 c4 08 5b 5d c3 be 96 0b 00 00 48 c7 c7 6c bd 4a 81 e8 9d e3 cf ff e9 75 ff ff ff 0f 1f 84 00 00 00 00 00 <0f> ba af 80 00 00 00 00 19 c0 85 c0 74 02 f3 c3 53 9c 5b fa 48 RIP [] net_tx_action+0xd0/0xd0 RSP CR2: 0000000000000082 ---[ end trace 3590f1d9f55c8367 ]--- Sometimes the machine freezes. I couldn't find any hints on the web. Any clues? Further informations about the system can be provided on request. -- Best regards, Jörg-Volker. -- 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/