computer freezes at random intervals

[ill]

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 ]---

[Ubuntu Foundations Team Bug Bot (crichton)]

Thank you for taking the time to report this bug and helping to make Ubuntu better. It seems that your bug report is not filed about a specific source package though, rather it is just filed against Ubuntu in general. It is important that bug reports be filed about source packages so that people interested in the package can find the bugs about it. You can find some hints about determining what package your bug might be about at https://wiki.ubuntu.com/Bugs/FindRightPackage. You might also ask for help in the #ubuntu-bugs irc channel on Freenode.

To change the source package that this bug is filed about visit https://bugs.launchpad.net/ubuntu/+bug/1260159/+editstatus and add the package name in the text box next to the word Package.

[This is an automated message. I apologize if it reached you inappropriately; please just reply to this message indicating so.]

[John Kim (kotux)]

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.

[Launchpad Janitor (janitor)]

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