[ 2363.164067] BUG: unable to handle kernel NULL pointer dereference at (null)
[ 2363.164072] IP: [<fcb74e90>] __list_add+0x34/0x38 [nfs]
[ 2363.164091] *pdpt = 00000000369fb001 *pde = 0000000000000000
[ 2363.164095] Oops: 0002 [#2] SMP
[ 2363.164098] last sysfs file: /sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq
[ 2363.164100] Modules linked in: nfs ses enclosure binfmt_misc ppdev ib_iser rdma_cm ib_cm iw_cm ib_sa ib_mad ib_core ib_addr iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi nfsd exportfs lockd nfs_acl auth_rpcgss sunrpc snd_hda_codec_intelhdmi snd_hda_codec_idt fbcon tileblit font bitblit softcursor snd_hda_intel snd_hda_codec snd_hwdep snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_dummy snd_seq_oss snd_seq_midi arc4 i915 drm_kms_helper snd_rawmidi joydev drm uvcvideo(+) iwlagn snd_seq_midi_event iwlcore i2c_algo_bit snd_seq snd_timer snd_seq_device sdhci_pci sdhci video mac80211 lp snd intel_agp psmouse agpgart videodev output v4l1_compat led_class soundcore dell_laptop cfg80211 snd_page_alloc serio_raw parport dcdbas usbhid hid ohci1394 ieee1394 ahci e1000e [last unloaded: nfs]
[ 2363.164160]
[ 2363.164164] Pid: 6141, comm: nautilus Tainted: G      D    (2.6.32-failslab-2 #4) Latitude E4300                  
[ 2363.164166] EIP: 0060:[<fcb74e90>] EFLAGS: 00010282 CPU: 0
[ 2363.164180] EIP is at __list_add+0x34/0x38 [nfs]
[ 2363.164182] EAX: 00000000 EBX: 000000af ECX: f6fcbd1c EDX: f50d4600
[ 2363.164184] ESI: 00000000 EDI: fcb75f41 EBP: f66c7c7c ESP: f66c7c70
[ 2363.164186]  DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
[ 2363.164188] Process nautilus (pid: 6141, ti=f66c6000 task=f52af2c0 task.ti=f66c6000)
[ 2363.164190] Stack:
[ 2363.164191]  f6fcbd1c 00000000 f50d4600 f66c7c8c fcb74ed9 f6fcbd1c f50d4600 f66c7c9c
[ 2363.164197] <0> fcb754da f6fcbd1c f50d4600 f66c7cc8 fcb75fa5 f66c7d20 f66c7cd8 00000001
[ 2363.164203] <0> f66c7d20 efe803ac fffffff4 f6fcbc00 00000000 f50d4600 f66c7cec fcb73305
[ 2363.164209] Call Trace:
[ 2363.164223]  [<fcb74ed9>] ? list_add_tail+0x22/0x24 [nfs]
[ 2363.164237]  [<fcb754da>] ? nfs_list_add_request+0x1c/0x1e [nfs]
[ 2363.164251]  [<fcb75fa5>] ? nfs_pagein_one+0x64/0xc9 [nfs]
[ 2363.164264]  [<fcb73305>] ? nfs_pageio_doio+0x54/0xa4 [nfs]
[ 2363.164270]  [<c01d41e7>] ? read_cache_pages+0x87/0xe0
[ 2363.164284]  [<fcb733ad>] ? nfs_pageio_complete+0x16/0x18 [nfs]
[ 2363.164298]  [<fcb767c3>] ? nfs_readpages+0x185/0x1bc [nfs]
[ 2363.164312]  [<fcb75f41>] ? nfs_pagein_one+0x0/0xc9 [nfs]
[ 2363.164326]  [<fcb7663e>] ? nfs_readpages+0x0/0x1bc [nfs]
[ 2363.164329]  [<c01d3ca4>] ? __do_page_cache_readahead+0x144/0x200
[ 2363.164333]  [<c01d3d86>] ? ra_submit+0x26/0x30
[ 2363.164336]  [<c01d3ef3>] ? ondemand_readahead+0x83/0x1d0
[ 2363.164341]  [<c01d40fd>] ? page_cache_sync_readahead+0x2d/0x40
[ 2363.164345]  [<c01cce42>] ? generic_file_aio_read+0x392/0x680
[ 2363.164364]  [<fcb62bfa>] ? nfs_file_read+0xff/0x10c [nfs]
[ 2363.164368]  [<c02092a4>] ? do_sync_read+0xc4/0x100
[ 2363.164372]  [<c0203e5a>] ? __mem_cgroup_commit_charge+0x4a/0xc0
[ 2363.164375]  [<c01d4a21>] ? lru_cache_add_lru+0x21/0x40
[ 2363.164379]  [<c016a0d0>] ? autoremove_wake_function+0x0/0x50
[ 2363.164384]  [<c02f2344>] ? security_file_permission+0x14/0x20
[ 2363.164387]  [<c0209344>] ? rw_verify_area+0x64/0xe0
[ 2363.164391]  [<c05924ad>] ? _spin_lock+0xd/0x10
[ 2363.164394]  [<c0209c3f>] ? vfs_read+0x9f/0x1a0
[ 2363.164396]  [<c02091e0>] ? do_sync_read+0x0/0x100
[ 2363.164399]  [<c0209df2>] ? sys_read+0x42/0x70
[ 2363.164403]  [<c0109403>] ? sysenter_do_call+0x12/0x28
[ 2363.164405] Code: 00 00 89 45 fc 89 55 f8 89 4d f4 8b 45 f4 8b 55 fc 89 50 04 8b 45 fc 8b 55 f4 89 10 8b 45 fc 8b 55 f8 89 50 04 8b 45 f8 8b 55 fc <89> 10 c9 c3 55 89 e5 83 ec 08 0f 1f 44 00 00 89 45 fc 89 55 f8
[ 2363.164439] EIP: [<fcb74e90>] __list_add+0x34/0x38 [nfs] SS:ESP 0068:f66c7c70
[ 2363.164453] CR2: 0000000000000000
[ 2363.164456] ---[ end trace ad861c37b0b95360 ]---