From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Morton Subject: Re: [Bug 15582] New: BUG: unable to handle kernel NULL pointer dereference at 0000000000000028 Date: Mon, 22 Mar 2010 16:14:16 -0700 Message-ID: <20100322161416.c4b369f9.akpm@linux-foundation.org> References: Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Cc: bugzilla-daemon@bugzilla.kernel.org, netdev@vger.kernel.org, stivi@kity.pl To: Patrick McHardy , Jeff Kirsher , Jesse Brandeburg , Bruce Allan , Alex Duyck Received: from smtp1.linux-foundation.org ([140.211.169.13]:34236 "EHLO smtp1.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751696Ab0CVXP1 (ORCPT ); Mon, 22 Mar 2010 19:15:27 -0400 In-Reply-To: Sender: netdev-owner@vger.kernel.org List-ID: (switched to email. Please respond via emailed reply-to-all, not via the bugzilla web interface). On Fri, 19 Mar 2010 12:01:10 GMT bugzilla-daemon@bugzilla.kernel.org wrote: > http://bugzilla.kernel.org/show_bug.cgi?id=15582 > > Summary: BUG: unable to handle kernel NULL pointer dereference > at 0000000000000028 A bug in igb or the vlan code, I guess. > Product: Memory Management > Version: 2.5 > Kernel Version: 2.6.33.1 > Platform: All > OS/Version: Linux > Tree: Mainline > Status: NEW > Severity: normal > Priority: P1 > Component: Other > AssignedTo: akpm@linux-foundation.org > ReportedBy: stivi@kity.pl > Regression: No > > > Distribution:Debian Lenny > > Hardware Environment: > INTEL Server Board S5520HC > Intel(R) Xeon(R) CPU X5560 @ 2.80GHz > 2x RAID bus controller 3ware Inc 9690SA-8I > > Software Environment: squid (multi instances) > > Problem Description: > > The following error occurs whenever i halt the machine: > [ 439.629361] BUG: unable to handle kernel NULL pointer dereference at > 0000000000000028 > [ 439.723410] IP: [] vlan_gro_common+0xd7/0x190 > [ 439.794374] PGD 0 > [ 439.818655] Oops: 0000 [#1] SMP > [ 439.857638] last sysfs file: > /sys/devices/pci0000:00/0000:00:09.0/0000:05:00.0/host1/target1:0:0/1:0:0:0/block/sdc/queue/nr_requests > [ 440.000143] CPU 7 > [ 440.024385] Pid: 0, comm: swapper Not tainted 2.6.33.1-univ #1 > S5520HC/S5520HC > [ 440.110817] RIP: 0010:[] [] > vlan_gro_common+0xd7/0x190 > [ 440.210919] RSP: 0018:ffff8800283c3d10 EFLAGS: 00010203 > [ 440.274472] RAX: 0000000000000001 RBX: ffff88066d5fd818 RCX: > ffff8806683aa680 > [ 440.359798] RDX: 00000000000003e7 RSI: 0000000000000000 RDI: > ffff88066d2b2000 > [ 440.445124] RBP: 00000000000003e7 R08: ffff88066c5ea000 R09: > ffff8806683aa680 > [ 440.530488] R10: 00000000000003e7 R11: 000000000000040b R12: > 0000000000000000 > [ 440.615816] R13: ffff88066d5fd818 R14: 000000000000003e R15: > 000000000000040c > [ 440.701169] FS: 0000000000000000(0000) GS:ffff8800283c0000(0000) > knlGS:0000000000000000 > [ 440.797986] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b > [ 440.866705] CR2: 0000000000000028 CR3: 0000000001361000 CR4: > 00000000000006e0 > [ 440.952036] DR0: 0000000000000000 DR1: 0000000000000000 DR2: > 0000000000000000 > [ 441.037364] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: > 0000000000000400 > [ 441.122690] Process swapper (pid: 0, threadinfo ffff88066fa82000, task > ffff88066fa7acd0) > [ 441.219462] Stack: > [ 441.243535] ffff8806683aa680 ffffffff812466c7 0000000000000246 > ffff8806683aa680 > [ 441.330462] <0> 000000000000003e ffff88066d5fd680 0000000000000008 > ffffffffa00b1871 > [ 441.422868] <0> 0000000000000000 0000000000000000 0000000000000000 > 0000000000000000 > [ 441.517692] Call Trace: > [ 441.546959] > [ 441.572233] [] ? vlan_gro_receive+0x6e/0x83 > [ 441.641993] [] ? igb_poll+0x741/0xe80 [igb] > [ 441.711790] [] ? net_rx_action+0xa8/0x1a1 > [ 441.779478] [] ? __do_softirq+0xd7/0x195 > [ 441.846122] [] ? call_softirq+0x1c/0x28 > [ 441.911727] [] ? do_softirq+0x31/0x63 > [ 441.975300] [] ? irq_exit+0x36/0x78 > [ 442.036746] [] ? do_IRQ+0xa7/0xbd > [ 442.096119] [] ? ret_from_intr+0x0/0xa > [ 442.160685] > [ 442.185957] [] ? poll_idle+0x1b/0x55 > [ 442.248444] [] ? poll_idle+0xa/0x55 > [ 442.309890] [] ? cpuidle_idle_call+0x8e/0xe8 > [ 442.380683] [] ? cpu_idle+0x53/0x8b > [ 442.442133] Code: 41 81 79 7e 88 09 0f 85 d1 00 00 00 44 89 d2 44 89 d0 66 > 81 e2 ff 0f 80 cc 10 66 41 89 81 b8 00 00 00 89 d0 66 c1 e8 09 0f b7 c0 <48> 8b > 4c c6 20 31 c0 48 85 c9 74 0c 48 89 d0 25 ff$ > [ 442.678920] RIP [] vlan_gro_common+0xd7/0x190 > [ 442.750922] RSP > [ 442.792645] CR2: 0000000000000028 > [ 442.832293] ---[ end trace 9245d00ed2188cae ]--- > [ 442.887516] Kernel panic - not syncing: Fatal exception in interrupt > [ 442.963506] Pid: 0, comm: swapper Tainted: G D 2.6.33.1-univ #1 > [ 443.042610] Call Trace: > [ 443.071875] [] ? panic+0x86/0x145 > [ 443.138593] [] ? irq_exit+0x48/0x78 > [ 443.200050] [] ? ret_from_intr+0x0/0xa > [ 443.264661] [] ? kmsg_dump+0x99/0x124 > [ 443.328202] [] ? oops_end+0x9f/0xac > [ 443.389656] [] ? no_context+0x1f2/0x201 > [ 443.455263] [] ? bond_dev_queue_xmit+0x14c/0x169 > [bonding] > [ 443.540611] [] ? __bad_area_nosemaphore+0x1a7/0x1cb > [ 443.618679] [] ? dev_hard_start_xmit+0x221/0x2dd > [ 443.693630] [] ? dev_queue_xmit+0x401/0x433 > [ 443.763397] [] ? page_fault+0x1f/0x30 > [ 443.826927] [] ? vlan_gro_common+0xd7/0x190 > [ 443.896686] [] ? vlan_gro_receive+0x6e/0x83 > [ 443.966485] [] ? igb_poll+0x741/0xe80 [igb] > [ 444.036246] [] ? net_rx_action+0xa8/0x1a1 > [ 444.103927] [] ? __do_softirq+0xd7/0x195 > [ 444.170569] [] ? call_softirq+0x1c/0x28 > [ 444.236176] [] ? do_softirq+0x31/0x63 > [ 444.299704] [] ? irq_exit+0x36/0x78 > [ 444.361157] [] ? do_IRQ+0xa7/0xbd > [ 444.420533] [] ? ret_from_intr+0x0/0xa > [ 444.485101] [] ? poll_idle+0x1b/0x55 > [ 444.555036] [] ? poll_idle+0xa/0x55 > [ 444.616486] [] ? cpuidle_idle_call+0x8e/0xe8 > [ 444.687283] [] ? cpu_idle+0x53/0x8b > > Steps to reproduce: Whenever i halt the machine. > > > Igb driver is replaced by: > http://downloadcenter.intel.com/detail_desc.aspx?agr=Y&DwnldID=13663 > > This is the same machine from bugs: > https://bugzilla.kernel.org/show_bug.cgi?id=15148, > https://bugzilla.kernel.org/show_bug.cgi?id=15581. >