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[John Kim <johnkim.ubuntu@xxxxxxxxx>]

Thank you for taking the time to report this bug and helping to make
Ubuntu better. Please answer these questions:

* Is this reproducible?
* If so, what specific steps should we take to recreate this bug?

This will help us to find and resolve the problem.

** Package changed: ubuntu => linux-meta (Ubuntu)

** Tags added: needs-coding

** Changed in: linux-meta (Ubuntu)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/1260159

Title:
  computer freezes at random intervals

Status in “linux-meta” package in Ubuntu:
  Incomplete

Bug description:
  At random intervals, kubuntu 13.10 will freeze, with this in the
  kern.log

  Dec 10 18:17:06 spock kernel: [26015.470609] audacious: Corrupted page table at address 7f9853653696
  Dec 10 18:17:06 spock kernel: [26015.470611] PGD 1e9f3d067 PUD 21834f067 PMD 1c502d067 PTE 200236572025
  Dec 10 18:17:06 spock kernel: [26015.470614] Bad pagetable: 001d [#1] SMP 
  Dec 10 18:17:06 spock kernel: [26015.470616] Modules linked in: snd_hrtimer(F) xt_multiport(F) pci_stub vboxpci(OF) vboxnetadp(OF) vboxnetflt(OF) vboxdrv(OF) cuse parport_pc(F) ppdev(F) bnep rfcomm bluetooth binfmt_misc(F) ip6t_REJECT(F) xt_hl(F) ip6t_rt(F) nf_conntrack_ipv6(F) nf_defrag_ipv6(F) ipt_REJECT(F) xt_LOG(F) xt_limit(F) xt_tcpudp(F) xt_addrtype(F) nf_conntrack_ipv4(F) nf_defrag_ipv4(F) xt_conntrack(F) ip6table_filter(F) ip6_tables(F) nf_conntrack_netbios_ns(F) nf_conntrack_broadcast(F) nf_nat_ftp(F) nf_nat(F) nf_conntrack_ftp(F) nf_conntrack(F) iptable_filter(F) ip_tables(F) x_tables(F) snd_hda_codec_hdmi ir_lirc_codec lirc_dev ir_mce_kbd_decoder ir_sanyo_decoder ir_sony_decoder ir_jvc_decoder ir_rc6_decoder ir_rc5_decoder ir_nec_decoder rc_rc6_mce mceusb joydev(F) rc_core x86_pkg_temp_thermal kvm_intel(F) kvm(F) crct10dif_pclmul(F) crc32_pclmul(F) ghash_clmulni_intel(F) aesni_intel(F) aes_x86_64(F) lrw(F) gf128mul(F) glue_helper(F) ablk_helper(F) cryptd(F) mxm_wmi snd_hda_codec_realtek microcode(F) 
  Dec 10 18:17:06 spock kernel: pcspkr psmouse(F) serio_raw(F) snd_hda_intel snd_hda_codec snd_hwdep(F) lpc_ich snd_pcm(F) nvidia(POF) snd_page_alloc(F) snd_seq_midi(F) snd_seq_midi_event(F) snd_rawmidi(F) snd_seq(F) snd_seq_device(F) snd_timer(F) drm mei_me snd(F) mei soundcore(F) wmi mac_hid it87 hwmon_vid coretemp lp(F) parport(F) hid_generic usbhid hid e1000e(F) ptp(F) pps_core(F) video(F)
  Dec 10 18:17:06 spock kernel: [26015.470656] CPU: 2 PID: 2668 Comm: audacious Tainted: PF          O 3.11.0-14-generic #21-Ubuntu
  Dec 10 18:17:06 spock kernel: [26015.470658] Hardware name: Gigabyte Technology Co., Ltd. Z87X-D3H/Z87X-D3H-CF, BIOS F7 08/02/2013
  Dec 10 18:17:06 spock kernel: [26015.470659] task: ffff88021b060000 ti: ffff8801e9fc0000 task.ti: ffff8801e9fc0000
  Dec 10 18:17:06 spock kernel: [26015.470660] RIP: 0033:[<00007f9853653696>]  [<00007f9853653696>] 0x7f9853653695
  Dec 10 18:17:06 spock kernel: [26015.470663] RSP: 002b:00007fff21a84398  EFLAGS: 00010206
  Dec 10 18:17:06 spock kernel: [26015.470664] RAX: 0000000002739820 RBX: 0000000000000001 RCX: 0000000000000040
  Dec 10 18:17:06 spock kernel: [26015.470665] RDX: 00007f9853653696 RSI: 000000000280c250 RDI: 0000000002739830
  Dec 10 18:17:06 spock kernel: [26015.470666] RBP: 0000000002739820 R08: 0000000000000001 R09: 0000000000000003
  Dec 10 18:17:06 spock kernel: [26015.470666] R10: 0000000000000039 R11: 00007f985368b360 R12: 0000000000000001
  Dec 10 18:17:06 spock kernel: [26015.470667] R13: 000000000280c240 R14: 000000000280c240 R15: 00000000026c8b48
  Dec 10 18:17:06 spock kernel: [26015.470668] FS:  00007f9855cae980(0000) GS:ffff88023ec80000(0000) knlGS:0000000000000000
  Dec 10 18:17:06 spock kernel: [26015.470669] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
  Dec 10 18:17:06 spock kernel: [26015.470670] CR2: 00007f9853653696 CR3: 00000001e9f4f000 CR4: 00000000001407e0
  Dec 10 18:17:06 spock kernel: [26015.470671] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
  Dec 10 18:17:06 spock kernel: [26015.470671] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
  Dec 10 18:17:06 spock kernel: [26015.470672] 
  Dec 10 18:17:06 spock kernel: [26015.470672] RIP  [<00007f9853653696>] 0x7f9853653695
  Dec 10 18:17:06 spock kernel: [26015.470675]  RSP <00007fff21a84398>
  Dec 10 18:17:06 spock kernel: [26015.470676] ---[ end trace 4fbd66846d52d356 ]---

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