[ 7.398604] /build/buildd/linux-3.8.0/mm/memory.c:403: bad pmd ffff8802302e3fe8(0000000800000002) [ 7.398616] ------------[ cut here ]------------ [ 7.398660] Kernel BUG at ffffffff81187aa1 [verbose debug info unavailable] [ 7.398704] invalid opcode: 0000 [#1] SMP [ 7.398797] Modules linked in: autofs4(F) dm_crypt(F) parport_pc(F) ppdev(F) snd_hda_codec_hdmi bnep rfcomm nfsd(F) bluetooth auth_rpcgss(F) nfs_acl(F) nfs(F) lockd(F) sunrpc(F) binfmt_misc(F) fscache(F) nvidia(POF) snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_hwdep(F) snd_pcm(F) snd_page_alloc(F) snd_seq_midi(F) snd_seq_midi_event(F) coretemp snd_rawmidi(F) kvm_intel snd_seq(F) kvm snd_seq_device(F) snd_timer(F) asus_atk0110 snd(F) soundcore(F) lp(F) mac_hid lpc_ich microcode(F) serio_raw(F) parport(F) hid_generic usbhid hid usb_storage(F) firewire_ohci firewire_core crc_itu_t(F) ahci(F) libahci(F) atl1e [ 7.399464] CPU 1 <4>[ 7.399466] Pid: 882, comm: smbd Tainted: PF O 3.8.0-21-generic #32-Ubuntu System manufacturer System Product Name/P5QC [ 7.399472] RIP: 0010:[] [] __split_huge_page_pmd+0x2d1/0x300 [ 7.399473] RSP: 0018:ffff880230c3da58 EFLAGS: 00010287 [ 7.399473] RAX: 0000000200001ee0 RBX: ffff88022e877c38 RCX: ffff880000000000 [ 7.399474] RDX: ffff8802302e3ff0 RSI: 00007f5d3fc00000 RDI: ffff8802322b8a80 [ 7.399475] RBP: ffff880230c3dad0 R08: 0000000000000000 R09: 00007f5d3fc71000 [ 7.399475] R10: 0000000000000327 R11: 0000000000000006 R12: ffff88022e877c38 [ 7.399476] R13: 00007f5d3fe00000 R14: 00007f5d3fc71000 R15: ffff8802302e3ff0 [ 7.399477] FS: 0000000000000000(0000) GS:ffff88023fc80000(0000) knlGS:0000000000000000 [ 7.399478] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [ 7.399478] CR2: 00007f266f82f000 CR3: 000000022e66b000 CR4: 00000000000407e0 [ 7.399479] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7.399480] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [ 7.399481] Process smbd (pid: 882, threadinfo ffff880230c3c000, task ffff88022f83dd00) [ 7.399481] Stack: [ 7.399483] ffff8802302e3fe8 ffff880230c3dab8 ffffffff816be9f3 ffff8802322b8a80 [ 7.399484] ffff880230c3dac8 00007f5d3fc00000 ffff88022e32e000 ffff8802302e3ff0 [ 7.399485] 0000000000000193 ffff8802302e3fe8 ffff88022e877c38 00007f5d3fc00000 [ 7.399486] Call Trace: [ 7.399489] [] ? printk+0x67/0x69 [ 7.399492] [] unmap_page_range+0x74a/0x750 [ 7.399495] [] ? __alloc_pages_nodemask+0x175/0x940 [ 7.399496] [] ? sleep_on_page+0x20/0x20 [ 7.399497] [] unmap_single_vma+0x8a/0x100 [ 7.399499] [] unmap_vmas+0x49/0x90 [ 7.399500] [] exit_mmap+0x98/0x170 [ 7.399503] [] ? lock_hrtimer_base.isra.21+0x30/0x60 [ 7.399505] [] mmput+0x64/0x100 [ 7.399507] [] do_exit+0x242/0x9d0 [ 7.399510] [] ? default_spin_lock_flags+0x9/0x10 [ 7.399512] [] ? __dequeue_entity+0x2f/0x50 [ 7.399513] [] do_group_exit+0x3f/0xa0 [ 7.399516] [] get_signal_to_deliver+0x1c1/0x610 [ 7.399518] [] do_signal+0x3f/0x8d0 [ 7.399520] [] ? __free_pages+0x47/0x70 [ 7.399521] [] ? default_spin_lock_flags+0x9/0x10 [ 7.399523] [] ? __switch_to+0x13e/0x4a0 [ 7.399524] [] ? set_next_entity+0x80/0x90 [ 7.399526] [] ? finish_task_switch+0x4a/0xf0 [ 7.399528] [] do_notify_resume+0x80/0xb0 [ 7.399529] [] retint_signal+0x48/0x8c [ 7.399542] Code: d0 eb ff 66 90 48 8b 75 b0 48 8b 7d a0 4c 89 ea e8 d5 b7 ff ff e9 77 fe ff ff 48 8b 75 b0 4c 89 ea e8 d4 f3 fe ff e9 90 fd ff ff <0f> 0b 48 8b 75 b0 4c 89 ea e8 41 f4 fe ff e9 2d fe ff ff 48 89 [ 7.399543] RIP [] __split_huge_page_pmd+0x2d1/0x300 [ 7.399544] RSP [ 7.399568] ---[ end trace d8978f4bfe0bccd8 ]--- [ 7.399568] Fixing recursive fault but reboot is needed! [ 7.423368] vboxdrv: Found 2 processor cores. [ 7.424665] vboxdrv: fAsync=0 offMin=0x1ab offMax=0x6f1 [ 7.424760] vboxdrv: TSC mode is 'synchronous', kernel timer mode is 'normal'. [ 7.424814] vboxdrv: Successfully loaded version 4.2.10_Ubuntu (interface 0x001a0004). [ 7.479220] vboxpci: IOMMU not found (not registered)