divide error: 0000 [#1] SMP

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Hello,

I have a problem with my server, it's several times I got "Divide Error: 0000 [#1] SMP".

I'm not qualified enough to identiy the problem.

This is the message, I got :
[1639377.680125] divide error: 0000 [#1] SMP
[1639377.680149] Modules linked in: dm_mod lp parport_pc joydev st sr_mod cdrom xt_multiport nfnetlink_queue nfnetlink nf_conntrack_ipv4 nf_defrag_ipv4 xt_tcpudp iptable_filter ip_tables xt_iprange xt_conntrack nf_conntrack ipt_REJECT xt_mark xt_NFQUEUE x_tables binfmt_misc arc4 ecb md4 hmac nls_utf8 cifs dns_resolver fscache pl2303 usbserial ext4 crc16 mbcache jbd2 snd_hda_codec_hdmi nouveau mxm_wmi wmi video snd_hda_intel snd_hda_controller snd_hda_codec snd_hwdep snd_pcm ttm drm_kms_helper drm snd_timer i2c_algo_bit iTCO_wdt snd iTCO_vendor_support soundcore pcspkr evdev serio_raw kvm_intel kvm shpchp i2c_i801 i2c_core lpc_ich mfd_core asus_atk0110 button processor thermal_sys hwmon_vid coretemp loop fuse ppdev parport autofs4 xfs crc32c_generic libcrc32c hid_generic usbhid hid raid1 md_mod sg sd_mod
[1639377.680439] crc_t10dif crct10dif_generic crct10dif_common ata_generic ahci libahci ata_piix pata_jmicron atl1 mii libata ehci_pci uhci_hcd ehci_hcd scsi_mod usbcore usb_common [last unloaded: parport_pc]
[1639377.680513] CPU: 2 PID: 2618 Comm: pgld Not tainted 3.16.0-4-686-pae #1 Debian 3.16.7-ckt9-3~deb8u1
[1639377.680542] Hardware name: System manufacturer P5K/P5K, BIOS 1201 10/14/2008
[1639377.680571] task: f0855560 ti: efe54000 task.ti: efe54000
[1639377.680589] EIP: 0060:[<c125bfad>] EFLAGS: 00010246 CPU: 2
[1639377.680609] EIP is at div64_u64+0x2d/0x160
[1639377.680626] EAX: 00000000 EBX: 00000000 ECX: 00000000 EDX: 00000000
[1639377.680644] ESI: 00000000 EDI: 00000000 EBP: efe55d4c ESP: efe55d28
[1639377.680662] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
[1639377.680680] CR0: 80050033 CR2: b776b000 CR3: 2fd55000 CR4: 000007f0
[1639377.680698] Stack:
[1639377.680711] 00000416 00000000 efe55d4c c111f6b6 0000ba44 00000000 00000000 0000005b
[1639377.680749] 00000000 efe55d80 c111f97d 00000000 00000000 00000000 0000005b 00000000
[1639377.680788] 00010000 00000001 00000212 00000000 00000416 f0fb0ea0 efe55e18 c1120dce
[1639377.680826] Call Trace:
[1639377.680845] [<c111f6b6>] ? pos_ratio_polynom+0x36/0xa0
[1639377.680863] [<c111f97d>] ? bdi_position_ratio.isra.11+0x15d/0x200
[1639377.680883] [<c1120dce>] ? balance_dirty_pages_ratelimited+0x17e/0x690
[1639377.680903] [<c11985f2>] ? generic_write_end+0xb2/0xe0
[1639377.680932] [<f8073380>] ? xfs_vm_write_end+0x40/0xe0 [xfs]
[1639377.680951] [<c11171a2>] ? generic_perform_write+0x132/0x1a0
[1639377.680981] [<f8080abb>] ? xfs_file_buffered_aio_write+0xfb/0x1a0 [xfs]
[1639377.681011] [<f8080bc9>] ? xfs_file_write_iter+0x69/0x130 [xfs]
[1639377.681031] [<c11706d9>] ? cp_new_stat64+0x109/0x120
[1639377.681049] [<c116c099>] ? new_sync_write+0x69/0xa0
[1639377.681067] [<c116c030>] ? do_iter_readv_writev+0x90/0x90
[1639377.681084] [<c116c53d>] ? vfs_write+0x9d/0x1d0
[1639377.681102] [<c116cc06>] ? SyS_write+0x46/0x90
[1639377.681120] [<c147bcdf>] ? sysenter_do_call+0x12/0x12
[1639377.681137] Code: e5 57 56 53 83 ec 18 89 44 24 10 8b 45 0c 89 54 24 14 85 c0 75 40 8b 4c 24 14 8b 5d 08 89 ce 39 cb 0f 87 17 01 00 00 89 c8 31 d2 <f7> f3 31 d2 89 c1 89 f0 f7 f3 89 d6 8b 5c 24 10 89 f2 89 cf 89
[1639377.681292] EIP: [<c125bfad>] div64_u64+0x2d/0x160 SS:ESP 0068:efe55d28
[1639377.681522] ---[ end trace 22f807c15589e633 ]---

I also got this message on my SSH session:
Message from syslogd@shax at Fri Jun 12 13:55:36 2015 ...
shax vmunix: [1639377.681137] Code: e5 57 56 53 83 ec 18 89 44 24 10 8b 45 0c 89 54 24 14 85 c0 75 40 8b 4c 24 14 8b 5d 08 89 ce 39 cb 0f 87 17 01 00 00 89 c8 31 d2 <f7> f3 31 d2 89 c1 89 f0 f7 f3 89 d6 8b 5c 24 10 89 f2 89 cf 89

Message from syslogd@shax at Fri Jun 12 13:55:36 2015 ...
shax vmunix: [1639377.681292] EIP: [<c125bfad>] div64_u64+0x2d/0x160 SS:ESP 0068:efe55d28

My system:
uname -a
Linux shax 3.16.0-4-686-pae #1 SMP Debian 3.16.7-ckt9-3~deb8u1 (2015-04-24) i686 GNU/Linux

Have you any idea from where it can comes ?
Or at least, tell where I should go to have some help (kernel.org ?)