Same error with new kernel. It was fine and working without a hick up
and today the same issue reverted. 16:01:16 up 6 days
Using
3.2.0-69-generic #103-Ubuntu SMP Tue Sep 2 05:02:14 UTC 2014 x86_64 x86_64
x86_64 GNU/Linux
ii linux-image-3.2.0-69-generic 3.2.0-69.103
Linux kernel image for version 3.2.0 on 64 bit x86 SMP
ii linux-image-server 3.2.0.69.82
Linux kernel image on Server Equipment.
Oct 2 15:54:29 barbarela kernel: [528230.139053] BUG: unable to handle kernel
NULL pointer dereference at 0000000000000010
Oct 2 15:54:29 barbarela kernel: [528230.139091] IP: [<ffffffffa03fb451>]
set_nfsv4_acl_one+0x21/0xb0 [nfsd]
Oct 2 15:54:29 barbarela kernel: [528230.139129] PGD 415158067 PUD 415159067
PMD 0
Oct 2 15:54:29 barbarela kernel: [528230.139157] Oops: 0000 [#19] SMP
Oct 2 15:54:29 barbarela kernel: [528230.139176] CPU 1
Oct 2 15:54:29 barbarela kernel: [528230.139185] Modules linked in: it87(O)
vboxpci(O) vboxnetadp(O) vboxnetflt(O) vboxdrv(O) pci_stub nfsd nfs lockd
fscache auth_rpcgss nfs_acl sunrpc dm_crypt snd_hda_codec_hdmi snd_hda_intel
snd_hda_codec psmouse edac_core lp edac_mce_amd parport sp5100_tco i2c_piix4
mac_hid k10temp serio_raw snd_hwdep snd_pcm snd_timer snd soundcore
snd_page_alloc bonding hwmon_vid fam15h_power raid456 async_pq async_xor xor
async_memcpy async_raid6_recov raid6_pq async_tx raid1 raid0 multipath linear
raid10 nouveau ttm drm_kms_helper drm i2c_algo_bit mxm_wmi pata_atiixp r8169
video wmi [last unloaded: vboxdrv]
Oct 2 15:54:29 barbarela kernel: [528230.139546]
Oct 2 15:54:29 barbarela kernel: [528230.139557] Pid: 4409, comm: nfsd
Tainted: G D O 3.2.0-69-generic #103-Ubuntu Gigabyte Technology Co.,
Ltd. GA-970A-DS3/GA-970A-DS3
Oct 2 15:54:29 barbarela kernel: [528230.139596] RIP:
0010:[<ffffffffa03fb451>] [<ffffffffa03fb451>] set_nfsv4_acl_one+0x21/0xb0
[nfsd]
Oct 2 15:54:29 barbarela kernel: [528230.139629] RSP: 0018:ffff8801bdc29ce0
EFLAGS: 00010282
Oct 2 15:54:29 barbarela kernel: [528230.139644] RAX: 0000000000004000 RBX:
ffff88000381f480 RCX: 0000000002ae378f
Oct 2 15:54:29 barbarela kernel: [528230.139661] RDX: ffffffffa0422374 RSI:
0000000000000000 RDI: ffff88000381f480
Oct 2 15:54:29 barbarela kernel: [528230.139678] RBP: ffff8801bdc29d10 R08:
ffffea000a1463c0 R09: ffffffffa03fb4af
Oct 2 15:54:29 barbarela kernel: [528230.139695] R10: ffff88028518f500 R11:
0000000040000004 R12: 0000000000000000
Oct 2 15:54:29 barbarela kernel: [528230.139711] R13: ffff88001555bb20 R14:
0000000000000000 R15: ffff8800a86b2180
Oct 2 15:54:29 barbarela kernel: [528230.139730] FS: 00007fc55e013700(0000)
GS:ffff88043ec40000(0000) knlGS:0000000000000000
Oct 2 15:54:29 barbarela kernel: [528230.140874] CS: 0010 DS: 0000 ES: 0000
CR0: 000000008005003b
Oct 2 15:54:29 barbarela kernel: [528230.142016] CR2: 0000000000000010 CR3:
000000038bac3000 CR4: 00000000000406e0
Oct 2 15:54:29 barbarela kernel: [528230.142956] DR0: 0000000000000000 DR1:
0000000000000000 DR2: 0000000000000000
Oct 2 15:54:29 barbarela kernel: [528230.142956] DR3: 0000000000000000 DR6:
00000000ffff0ff0 DR7: 0000000000000400
Oct 2 15:54:29 barbarela kernel: [528230.142956] Process nfsd (pid: 4409,
threadinfo ffff8801bdc28000, task ffff88007aa2ae00)
Oct 2 15:54:29 barbarela kernel: [528230.142956] Stack:
Oct 2 15:54:29 barbarela kernel: [528230.142956] ffff8800a86b2040
ffff88000381f480 0000000000000000 ffff88001555bb20
Oct 2 15:54:29 barbarela kernel: [528230.142956] 0000000000000000
ffff8800a86b2180 ffff8801bdc29d50 ffffffffa03fc5e3
Oct 2 15:54:29 barbarela kernel: [528230.142956] ffff88028518f300
0000000000000000 ffff88001d0aa000 ffff8800a86b2040
Oct 2 15:54:29 barbarela kernel: [528230.142956] Call Trace:
Oct 2 15:54:29 barbarela kernel: [528230.142956] [<ffffffffa03fc5e3>]
nfsd4_set_nfs4_acl+0x143/0x150 [nfsd]
Oct 2 15:54:29 barbarela kernel: [528230.142956] [<ffffffffa0409b74>]
nfsd4_setattr+0xd4/0x130 [nfsd]
Oct 2 15:54:29 barbarela kernel: [528230.142956] [<ffffffffa0408be8>]
nfsd4_proc_compound+0x518/0x6e0 [nfsd]
Oct 2 15:54:29 barbarela kernel: [528230.142956] [<ffffffffa03f7a4b>]
nfsd_dispatch+0xeb/0x230 [nfsd]
Oct 2 15:54:29 barbarela kernel: [528230.142956] [<ffffffffa02ef475>]
svc_process_common+0x345/0x690 [sunrpc]
Oct 2 15:54:29 barbarela kernel: [528230.142956] [<ffffffff81060ad0>] ?
try_to_wake_up+0x200/0x200
Oct 2 15:54:29 barbarela kernel: [528230.142956] [<ffffffffa02efb12>]
svc_process+0x102/0x150 [sunrpc]
Oct 2 15:54:29 barbarela kernel: [528230.142956] [<ffffffffa03f71ad>]
nfsd+0xbd/0x160 [nfsd]
Oct 2 15:54:29 barbarela kernel: [528230.142956] [<ffffffffa03f70f0>] ?
nfsd_startup+0xf0/0xf0 [nfsd]
Oct 2 15:54:29 barbarela kernel: [528230.142956] [<ffffffff8108b96c>]
kthread+0x8c/0xa0
Oct 2 15:54:29 barbarela kernel: [528230.142956] [<ffffffff8166e3b4>]
kernel_thread_helper+0x4/0x10
Oct 2 15:54:29 barbarela kernel: [528230.142956] [<ffffffff8108b8e0>] ?
flush_kthread_worker+0xa0/0xa0
Oct 2 15:54:29 barbarela kernel: [528230.142956] [<ffffffff8166e3b0>] ?
gs_change+0x13/0x13
Oct 2 15:54:29 barbarela kernel: [528230.142956] 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 66 66 66 66 90 <48> 63 46 10 49 89 fd 49 89 f6 be d0 00 00 00 49 89
d4 4c 8d 3c
Oct 2 15:54:29 barbarela kernel: [528230.142956] RIP [<ffffffffa03fb451>]
set_nfsv4_acl_one+0x21/0xb0 [nfsd]
Oct 2 15:54:29 barbarela kernel: [528230.142956] RSP <ffff8801bdc29ce0>
Oct 2 15:54:29 barbarela kernel: [528230.142956] CR2: 0000000000000010
Oct 2 15:54:29 barbarela kernel: [528230.170576] ---[ end trace
e2fe32bc8beee7db ]---
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https://bugs.launchpad.net/bugs/1348670
Title:
BUG: unable to handle kernel NULL pointer dereference at
0000000000000010, set_nfsv4_acl_one+0x21/0xb0 [nfsd]
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