[    7.676162] NFSD: starting 90-second grace period
[    8.417405] init: plymouth-upstart-bridge main process (614) killed by TERM signal
[    9.784271] init: udev-fallback-graphics main process (887) terminated with status 1
[    9.844870] init: plymouth-splash main process (893) terminated with status 1
[  151.074604] EXT4-fs (xvdk): mounted filesystem without journal. Opts: (null)
[  163.542800] EXT4-fs (xvdj): mounted filesystem without journal. Opts: (null)
[  546.440964] nfsd: last server has exited, flushing export cache
[  547.555198] NFSD: Using /var/lib/nfs/v4recovery as the NFSv4 state recovery directory
[  547.555215] NFSD: starting 90-second grace period
[  775.754867] BUG: unable to handle kernel NULL pointer dereference at 0000000000000010
[  775.754881] IP: [<ffffffffa0128451>] set_nfsv4_acl_one+0x21/0xb0 [nfsd]
[  775.754892] PGD e3dab067 PUD e25da067 PMD 0 
[  775.754898] Oops: 0000 [#1] SMP 
[  775.754903] CPU 0 
[  775.754905] Modules linked in: isofs nfsd nfs lockd fscache auth_rpcgss nfs_acl acpiphp sunrpc
[  775.754915] 
[  775.754918] Pid: 1148, comm: nfsd Not tainted 3.2.0-68-virtual #102-Ubuntu  
[  775.754923] RIP: e030:[<ffffffffa0128451>]  [<ffffffffa0128451>] set_nfsv4_acl_one+0x21/0xb0 [nfsd]
[  775.754932] RSP: e02b:ffff8800dd873ce0  EFLAGS: 00010282
[  775.754935] RAX: 0000000000004000 RBX: ffff8800e17fd780 RCX: 0000000000009c34
[  775.754938] RDX: ffffffffa014f374 RSI: 0000000000000000 RDI: ffff8800e17fd780
[  775.754942] RBP: ffff8800dd873d10 R08: ffffea00039ebbc0 R09: ffffffffa01284af
[  775.754945] R10: ffff8800e7aefd40 R11: 0000000040000004 R12: 0000000000000000
[  775.754949] R13: ffff8800e1740420 R14: 0000000000000000 R15: ffff8800e81d8180
[  775.754957] FS:  00007fa552343740(0000) GS:ffff8800efc00000(0000) knlGS:0000000000000000
[  775.754960] CS:  e033 DS: 0000 ES: 0000 CR0: 000000008005003b
[  775.754964] CR2: 0000000000000010 CR3: 00000000dcc98000 CR4: 0000000000002660
[  775.754969] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  775.754972] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[  775.754977] Process nfsd (pid: 1148, threadinfo ffff8800dd872000, task ffff8800e3f344d0)
[  775.754980] Stack:
[  775.754983]  ffff8800e81d8040 ffff8800e17fd780 0000000000000000 ffff8800e1740420
[  775.754989]  0000000000000000 ffff8800e81d8180 ffff8800dd873d50 ffffffffa01295e3
[  775.754995]  ffff8800e7aef940 0000000000000000 ffff8800dcdba000 ffff8800e81d8040
[  775.755001] Call Trace:
[  775.755008]  [<ffffffffa01295e3>] nfsd4_set_nfs4_acl+0x143/0x150 [nfsd]
[  775.755016]  [<ffffffffa0136b74>] nfsd4_setattr+0xd4/0x130 [nfsd]
[  775.755022]  [<ffffffffa0135be8>] nfsd4_proc_compound+0x518/0x6e0 [nfsd]
[  775.755028]  [<ffffffffa0124a4b>] nfsd_dispatch+0xeb/0x230 [nfsd]
[  775.755039]  [<ffffffffa000e445>] svc_process_common+0x345/0x690 [sunrpc]
[  775.755048]  [<ffffffff810607c0>] ? try_to_wake_up+0x200/0x200
[  775.755055]  [<ffffffffa000eae2>] svc_process+0x102/0x150 [sunrpc]
[  775.755061]  [<ffffffffa01241ad>] nfsd+0xbd/0x160 [nfsd]
[  775.755067]  [<ffffffffa01240f0>] ? nfsd_startup+0xf0/0xf0 [nfsd]
[  775.755072]  [<ffffffff8108ae3c>] kthread+0x8c/0xa0
[  775.755078]  [<ffffffff81668174>] kernel_thread_helper+0x4/0x10
[  775.755083]  [<ffffffff81666223>] ? int_ret_from_sys_call+0x7/0x1b
[  775.755088]  [<ffffffff8165debc>] ? retint_restore_args+0x5/0x6
[  775.755092]  [<ffffffff81668170>] ? gs_change+0x13/0x13
[  775.755095] Code: 19 c0 f7 d0 83 e0 02 c3 90 90 55 48 89 e5 48 83 ec 30 48 89 5d d8 4c 89 65 e0 4c 89 6d e8 4c 89 75 f0 4c 89 7d f8 0f 1f 44 00 00 <48> 63 46 10 49 89 fd 49 89 f6 be d0 00 00 00 49 89 d4 4c 8d 3c 
[  775.755139] RIP  [<ffffffffa0128451>] set_nfsv4_acl_one+0x21/0xb0 [nfsd]
[  775.755146]  RSP <ffff8800dd873ce0>
[  775.755148] CR2: 0000000000000010
[  775.755153] ---[ end trace beb9a2d350c62359 ]---
[  835.817710] BUG: unable to handle kernel NULL pointer dereference at 0000000000000010
[  835.817723] IP: [<ffffffffa0128451>] set_nfsv4_acl_one+0x21/0xb0 [nfsd]
[  835.817734] PGD 0 
[  835.817738] Oops: 0000 [#2] SMP 
[  835.817742] CPU 0 
[  835.817744] Modules linked in: isofs nfsd nfs lockd fscache auth_rpcgss nfs_acl acpiphp sunrpc
[  835.817755] 
[  835.817758] Pid: 1142, comm: nfsd Tainted: G      D      3.2.0-68-virtual #102-Ubuntu  
[  835.817763] RIP: e030:[<ffffffffa0128451>]  [<ffffffffa0128451>] set_nfsv4_acl_one+0x21/0xb0 [nfsd]
[  835.817772] RSP: e02b:ffff8800df8f5ce0  EFLAGS: 00010282
[  835.817775] RAX: 0000000000004000 RBX: ffff8800e17fd780 RCX: 000000000000a3f3
[  835.817778] RDX: ffffffffa014f374 RSI: 0000000000000000 RDI: ffff8800e17fd780
[  835.817782] RBP: ffff8800df8f5d10 R08: ffffea00000981c0 R09: ffffffffa01284af
[  835.817786] R10: ffff880002607400 R11: 0000000040000004 R12: 0000000000000000
[  835.817789] R13: ffff8800e1740420 R14: 0000000000000000 R15: ffff8800de7f4180
[  835.817798] FS:  00007fc86ce31700(0000) GS:ffff8800efc00000(0000) knlGS:0000000000000000
[  835.817802] CS:  e033 DS: 0000 ES: 0000 CR0: 000000008005003b
[  835.817806] CR2: 0000000000000010 CR3: 00000000dbf09000 CR4: 0000000000002660
[  835.817810] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  835.817814] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[  835.817818] Process nfsd (pid: 1142, threadinfo ffff8800df8f4000, task ffff8800e7ec96f0)
[  835.817822] Stack:
[  835.817824]  ffff8800de7f4040 ffff8800e17fd780 0000000000000000 ffff8800e1740420
[  835.817830]  0000000000000000 ffff8800de7f4180 ffff8800df8f5d50 ffffffffa01295e3
[  835.817836]  ffff880002607200 0000000000000000 ffff880002526000 ffff8800de7f4040
[  835.817842] Call Trace:
[  835.817849]  [<ffffffffa01295e3>] nfsd4_set_nfs4_acl+0x143/0x150 [nfsd]
[  835.817857]  [<ffffffffa0136b74>] nfsd4_setattr+0xd4/0x130 [nfsd]
[  835.817864]  [<ffffffffa0135be8>] nfsd4_proc_compound+0x518/0x6e0 [nfsd]
[  835.817870]  [<ffffffffa0124a4b>] nfsd_dispatch+0xeb/0x230 [nfsd]
[  835.817881]  [<ffffffffa000e445>] svc_process_common+0x345/0x690 [sunrpc]
[  835.817889]  [<ffffffff810607c0>] ? try_to_wake_up+0x200/0x200
[  835.817897]  [<ffffffffa000eae2>] svc_process+0x102/0x150 [sunrpc]
[  835.817903]  [<ffffffffa01241ad>] nfsd+0xbd/0x160 [nfsd]
[  835.817908]  [<ffffffffa01240f0>] ? nfsd_startup+0xf0/0xf0 [nfsd]
[  835.817913]  [<ffffffff8108ae3c>] kthread+0x8c/0xa0
[  835.817919]  [<ffffffff81668174>] kernel_thread_helper+0x4/0x10
[  835.817923]  [<ffffffff81666223>] ? int_ret_from_sys_call+0x7/0x1b
[  835.817929]  [<ffffffff8165debc>] ? retint_restore_args+0x5/0x6
[  835.817933]  [<ffffffff81668170>] ? gs_change+0x13/0x13
[  835.817936] Code: 19 c0 f7 d0 83 e0 02 c3 90 90 55 48 89 e5 48 83 ec 30 48 89 5d d8 4c 89 65 e0 4c 89 6d e8 4c 89 75 f0 4c 89 7d f8 0f 1f 44 00 00 <48> 63 46 10 49 89 fd 49 89 f6 be d0 00 00 00 49 89 d4 4c 8d 3c 
[  835.817981] RIP  [<ffffffffa0128451>] set_nfsv4_acl_one+0x21/0xb0 [nfsd]
[  835.817987]  RSP <ffff8800df8f5ce0>
[  835.817990] CR2: 0000000000000010
[  835.817993] ---[ end trace beb9a2d350c6235a ]---