On Mon, Apr 14, 2014 at 11:19 PM, James Chapman <jchap...@katalix.com> wrote: > Please send the complete oops message.
Hi, complete oops message is : [ 100.243737] BUG: unable to handle kernel NULL pointer dereference at 00000000000002c0 [ 100.244985] IP: [<ffffffff815d4cb0>] ip_queue_xmit+0x20/0x3e0 [ 100.262266] PGD 0 [ 100.288395] Oops: 0000 [#1] SMP [ 100.325955] Modules linked in: l2tp-ppp l2tp-netlink l2tp_core pppoe vmblock vsock vmmemctl vmhgfs acpiphp snd_ens1371 gameport snd_ac97_codec ac97_bus snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_dummy snd_seq_oss snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq snd_timer snd_seq_device ppdev psmouse serio_raw fbcon tileblit font bitblit softcursor snd parport_pc soundcore snd_page_alloc vmci i2c_piix4 vga16fb vgastate intel_agp agpgart shpchp lp parport floppy pcnet32 mii mptspi mptscsih mptbase scsi_transport_spi vmxnet [ 1100.472178] CPU: 0 PID: 1849 Comm: pppd Tainted: G IOE 3.15.0-rc1+ #13 [ 1100.540018] Hardware name: LENOVO 20216/v2QY041, BIOS 74CN34WW(v2.0k) 07/04/2013 [ 1100.562844] task: ffff88003ee48000 ti: ffff880257a4e000 task.ti: ffff880257a4e000 [ 1100.584351] RIP: 0010: [<ffffffff815d4cb0>] [<ffffffff815d4cb0>] ip_queue_xmit+0x20/0x3e0 [ 1100.584351] RSP: 0018: ffff880257a4fdd8 EFLAGS: 00010293 [ 1100.609358] RAX: ffff88003fe48e00 RBX:ffff88003f5ad100 RCX:0000000000000014 [ 1100.631467] RDX: ffffffff81ccab40 RSI: ffff88003fe49110 RDI:ffff88003f5ad100 [ 1100.657664] RBP: ffff880257a4fe00 R08: ffff88807ff06476 R09:0000000000000022 [ 1100.657694] R10: ffffe90009726600 R11: ffff88003fe49110 R12:0000000000000000 [ 1100.657694] R13: ffff88025a087480 R14: ffff880025b561400 R15:ffff88003fe49110 [ 1100.688994] FS: 00007f8857f8f840(0000) GS:ffff88026f200000(0000) knlGS:000000000000 [ 1100.697694] CS: 0010 DS: 0000 ES: 0000 CR0:0000000080050033 [ 1100.697694] CR2:0000000000002c0 CR3: 0000000260190e00 CR4: 00000000001407f0 [ 1100.706083] Stack: [ 1100.731783] ffff88025cadbe00 ffff88003fe48e00 0000000000000022 ffff88025b561400 [ 1100.759324] ffff88003f5ad100 ffff880257a4fe68 ffffffffa081a6e5 ffff88003f5ad100 [ 1100.811396] ffff880257a4fe28 ffffffff8158686e ffff880257a4fe68 ffffffff000000008 [ 1100.891922] Call Trace: [ 1100.916257] [<ffffffffa081a6e5>] l2tp_xmit_skb+0x335/0x6c0 [l2tp_core] [ 1100.943670] [<ffffffff8158686e>] ? skb_free_head+0x1e/0x80 [ 1100.970905] [<ffffffffa0830da1>] pppol2tp_xmit+0x141/0x210 [l2tp_ppp] [ 1100.995542] [<ffffffffa0805230>] ppp_channel_push+0x50/0xd0 [ppp_generic] [ 1101.024087] [<ffffffffa0805523>] ppp_write+0xa3/0xec [ppp_generic] [ 1101.133447] [<ffffffff811c7bfa>] vfs_write+0xba/0x1e0 [ 1101.228987] [<ffffffff811c8746>] Sys_wirte+0x46/0xb0 [ 1101.428494] [<ffffffff8110aca6>] ? __audit_syscall_exit+0x1f6/0x2a0 [ 1101.898345] [<ffffffff816a90e9>] system_call_fastpath+0x16/0x1b [ 1102.024087] Code: e9 31 fe ff ff 66 0f 1f 44 00 00 0f 1f 44 00 00 55 48 89 e5 41 57 49 89 f7 41 55 41 54 53 48 89 fb 4c 8b 67 18 4c 8b 67 18 4c 8b 6f 58 <4d> 8b b4 24 c0 02 00 00 49 83 e5 fe 0f 84 3e 02 00 00 4d 85 f6 [ 1102.879592] RIP: [<ffffffff815d4cb0>] ip_queue_xmit+0x20/0x3e0 [ 1103.179592] RsP<FFFF880257A4FDD8> [ 1103.834682] CR2: 00000000000002C0 [ 1104.043682] kernel panic - not syncing: Fatal exception in interrupt [ 1104.789539] Offset: 0x0 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffff9fffffff) >Is this a regression? If so, do you know what the last kernel version >was that worked? I think this is a regression. 3.14 is the good working version. Today, after I updated to 3.15-rc1, evertime I tried connect my VPN, it always panics. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
