Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754954AbYK1VQT (ORCPT ); Fri, 28 Nov 2008 16:16:19 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752694AbYK1VP7 (ORCPT ); Fri, 28 Nov 2008 16:15:59 -0500 Received: from ey-out-2122.google.com ([74.125.78.25]:29149 "EHLO ey-out-2122.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752596AbYK1VP5 (ORCPT ); Fri, 28 Nov 2008 16:15:57 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=date:from:to:cc:subject:message-id:mime-version:content-type :content-disposition:user-agent; b=qjJzpgi1wApto/YZM+PKBpXv8Kpo/RsLx0hV2h56h9vPyqajETSB53o2P9ViiuJ0uP K9G96te9Qx+jW/p5nQ1q7HfKr+ImvCREXAJ+GoY8DupaBHbj/xJxLFDFqh7x88zlnBFK dapgQNBz/5nNbyMg2+0eyLl8IhmoKQG9WNArE= Date: Fri, 28 Nov 2008 22:15:40 +0100 From: Marcin Slusarz To: LKML Cc: netdev@vger.kernel.org Subject: networking oops after resume from s2ram (2.6.28-rc6) Message-ID: <20081128211538.GA6750@joi> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.16 (2007-06-09) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 4631 Lines: 78 Hi Sometimes after resume from s2ram networking doesn't work, so I restart it by /etc/init.d/net.eth1 restart. Recently it started to lock up my box completely, but today it oopsed only (and killed my keyboard, so I had to save dmesg with mouse :D). It looks like it tries to use netconsole without working network interface... [ 1621.013789] BUG: unable to handle kernel NULL pointer dereference at 0000000000000000 [ 1621.013793] IP: [] skge_xmit_frame+0xb8/0x3ba [ 1621.013802] PGD 16880067 PUD 16894067 PMD 0 [ 1621.013806] Oops: 0000 [#1] PREEMPT [ 1621.013808] last sysfs file: /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor [ 1621.013812] Dumping ftrace buffer: [ 1621.013814] (ftrace buffer empty) [ 1621.013816] CPU 0 [ 1621.013819] Pid: 6725, comm: ip Not tainted 2.6.28-rc6-stack+mode #51 [ 1621.013821] RIP: 0010:[] [] skge_xmit_frame+0xb8/0x3ba [ 1621.013825] RSP: 0018:ffff8800168c38b8 EFLAGS: 00010006 [ 1621.013827] RAX: 000000000000007f RBX: ffff88003e9c7090 RCX: 0000000000000001 [ 1621.013829] RDX: 0000000000000001 RSI: ffff88003e8b2840 RDI: ffff88003e95d700 [ 1621.013832] RBP: ffff8800168c3918 R08: 0000000000000002 R09: 0000000000000000 [ 1621.013834] R10: 0000000000000006 R11: 0000000000000000 R12: ffff88003e95d700 [ 1621.013836] R13: ffff88003e9c7090 R14: 0000000000000000 R15: 0000000000000001 [ 1621.013838] FS: 00007f47e467f6f0(0000) GS:ffffffff80738180(0000) knlGS:0000000000000000 [ 1621.013841] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [ 1621.013843] CR2: 0000000000000000 CR3: 000000001689a000 CR4: 00000000000006e0 [ 1621.013845] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1621.013847] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [ 1621.013850] Process ip (pid: 6725, threadinfo ffff8800168c2000, task ffff88001688da30) [ 1621.013851] Stack: [ 1621.013853] ffff880026921800 0000000080737c20 ffff88003e8b2000 ffff88003e8b2840 [ 1621.013856] ffff88003e87cf00 ffff88003e8b2000 0000000000000000 ffff88003e9ec120 [ 1621.013860] 0000000000000082 ffff88003e8b2000 0000000000000000 0000000000000001 [ 1621.013864] Call Trace: [ 1621.013866] [] netpoll_send_skb+0xcd/0x196 [ 1621.013871] [] netpoll_send_udp+0x202/0x20e [ 1621.013874] [] write_msg+0x80/0xbf [ 1621.013879] [] __call_console_drivers+0x58/0x69 [ 1621.013884] [] _call_console_drivers+0x61/0x66 [ 1621.013887] [] release_console_sem+0x131/0x1d4 [ 1621.013890] [] vprintk+0x389/0x3b8 [ 1621.013894] [] printk+0x67/0x69 [ 1621.013897] [] ? dev_set_rx_mode+0x19/0x2e [ 1621.013902] [] ? __lock_acquire+0x6dd/0x73b [ 1621.013905] [] ? mark_held_locks+0x52/0x72 [ 1621.013908] [] ? local_bh_enable_ip+0xba/0xd6 [ 1621.013912] [] skge_up+0x7c/0x88a [ 1621.013916] [] ? dev_set_rx_mode+0x29/0x2e [ 1621.013920] [] ? local_bh_enable_ip+0xba/0xd6 [ 1621.013923] [] dev_open+0x72/0xa6 [ 1621.013926] [] dev_change_flags+0xa8/0x167 [ 1621.013929] [] devinet_ioctl+0x26a/0x5df [ 1621.013933] [] inet_ioctl+0x92/0xaa [ 1621.013936] [] sock_ioctl+0x18c/0x1b8 [ 1621.013939] [] vfs_ioctl+0x2a/0x77 [ 1621.013943] [] do_vfs_ioctl+0x39b/0x3e5 [ 1621.013946] [] ? up_read+0x26/0x2b [ 1621.013950] [] ? sysret_check+0x27/0x62 [ 1621.013953] [] sys_ioctl+0x42/0x65 [ 1621.013956] [] system_call_fastpath+0x16/0x1b [ 1621.013960] Code: 48 c1 f8 03 0f b7 52 04 69 c0 cd cc cc cc 8d 44 30 ff ff c2 39 d0 0f 8c 00 03 00 00 48 8b 75 b8 4c 8b ae 98 00 00 00 4d 8b 75 08 <41> 83 3e 00 79 04 0f 0b eb fe 4d 89 65 10 41 8b 44 24 68 45 31 [ 1621.013988] RIP [] skge_xmit_frame+0xb8/0x3ba [ 1621.013991] RSP [ 1621.013993] CR2: 0000000000000000 [ 1621.013995] ---[ end trace 50a82573cfe89df3 ]--- [ 1621.013998] note: ip[6725] exited with preempt_count 3 Full demsg and config can be found at: http://www.kadu.net/~joi/kernel/2008.11.28/skge-net.oops/ Marcin -- 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/