BUG: unable to handle kernel paging request at ffffffffffffffa1
IP: [<ffffffffc07ea0ab>] nfs3_list_one_acl+0x2b/0x80 [nfsv3]
PGD 2c16067 PUD 2c18067 PMD 0 
Oops: 0002 [#1] SMP 
Modules linked in: nfsv3 rpcsec_gss_krb5 nfsv4 ctr ccm smsc75xx usbnet mii bbswitch(OE) uvcvideo videobuf2_vmalloc videobuf2_memops hid_multitouch videobuf2_core v4l2_common usbhid videodev hid media btusb snd_hda_codec_hdmi arc4 pn544_mei mei_phy pn544 joydev hci nfc dell_laptop dcdbas intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm nvidia(POE) crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel snd_hda_codec_realtek aes_x86_64 snd_hda_codec_generic lrw gf128mul glue_helper ablk_helper cryptd iwlmvm snd_hda_intel snd_hda_controller mac80211 i915 mei_me snd_hda_codec snd_hwdep serio_raw snd_pcm snd_seq_midi drm_kms_helper snd_seq_midi_event i2c_algo_bit snd_rawmidi iwlwifi drm snd_seq mei snd_seq_device cfg80211 lpc_ich rtsx_pci_ms snd_timer memstick snd shpchp soundcore rfcomm bnep bluetooth 6lowpan_iphc nfsd auth_rpcgss nfs_acl nfs dell_wmi sparse_keymap mxm_wmi lockd sunrpc int3403_thermal mac_hid fscache wmi video parport_pc dell_smo8800 ppdev lp parport nls_iso8859_1 rtsx_pci_sdmmc ahci psmouse libahci rtsx_pci
CPU: 7 PID: 2878 Comm: pool Tainted: P           OE 3.16.0-10-generic #15-Ubuntu
Hardware name: Dell Inc. Dell Precision M3800/Dell Precision M3800, BIOS A03 02/06/2014
task: ffff88040608b2a0 ti: ffff8803e4a54000 task.ti: ffff8803e4a54000
RIP: 0010:[<ffffffffc07ea0ab>]  [<ffffffffc07ea0ab>] nfs3_list_one_acl+0x2b/0x80 [nfsv3]
RSP: 0018:ffff8803e4a57e88  EFLAGS: 00010282
RAX: ffffffffffffffa1 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 000000000000002e RSI: 0000000000008000 RDI: ffff8803e4a57e30
RBP: ffff8803e4a57eb0 R08: 0000000000000000 R09: ffff8803e4a57ec0
R10: 00007fe2d9c554d0 R11: 0000000000000202 R12: 0000000000000000
R13: ffffffffc07ebc39 R14: 0000000000000000 R15: ffff8803e4a57ec0
FS:  00007fe2d9c56700(0000) GS:ffff88042bbc0000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffa1 CR3: 00000003ff655000 CR4: 00000000001407e0
Stack:
 ffff8803e96401c8 0000000000000000 0000000000000000 0000000000000000
 0000000000e75e10 ffff8803e4a57ee0 ffffffffc07ea6d2 0000000000000000
 ffff8803e9421c00 0000000000000000 0000000000000000 ffff8803e4a57f08
Call Trace:
 [<ffffffffc07ea6d2>] nfs3_listxattr+0x42/0x89 [nfsv3]
 [<ffffffff82205202>] vfs_listxattr+0x42/0x70
 [<ffffffff8220552c>] listxattr+0xdc/0x140
 [<ffffffff8220633a>] SyS_flistxattr+0x5a/0xc0
 [<ffffffff8277ff2d>] system_call_fastpath+0x1a/0x1f
Code: 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 41 55 41 54 49 89 d5 53 49 89 ce 4d 89 c4 4d 89 cf 49 8b 19 e8 3a 03 a5 c1 48 85 c0 74 35 <f0> ff 08 74 40 4c 89 ef e8 a8 03 bb c1 49 03 07 49 89 c2 49 83 
RIP  [<ffffffffc07ea0ab>] nfs3_list_one_acl+0x2b/0x80 [nfsv3]
 RSP <ffff8803e4a57e88>
CR2: ffffffffffffffa1
---[ end trace b7ec9a74df4d0b1d ]---