@Joseph - No, I've got it pinned on the current kernel, still running
precise. So I haven't tested latest.


On Fri, Aug 10, 2012 at 2:53 PM, Joseph Salisbury <
<email address hidden>> wrote:

> @zmorris,
>
> I read your comment wrong.  Can you actually test the latest v3.5 kernel
> and comment back if it has the bug or not:
>
> http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.5.1-quantal/
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1011914
>
> Title:
>   BUG: soft lockup - CPU#0 stuck for 23s! [kworker/0:3:566]; RIP:
>   0010:[<ffffffffa00c9d73>] [<ffffffffa00c9d73>] mei_timer+0xc3/0x260
>   [mei]
>
> Status in “linux” package in Ubuntu:
>   Confirmed
>
> Bug description:
>   Bug causes system to lock up. Found this in my syslog:
>
>   Jun 11 16:41:19 amu-Studio-1569 kernel: [11126.142243] BUG: soft lockup
> - CPU#0 stuck for 23s! [kworker/0:3:566]
>   Jun 11 16:41:19 amu-Studio-1569 kernel: [11126.142250] Modules linked
> in: snd_seq_dummy joydev snd_hda_codec_hdmi snd_hda_codec_realtek
> parport_pc ppdev rfcomm bnep btusb bluetooth binfmt_misc arc4 dell_wmi
> sparse_keymap dell_laptop dcdbas snd_hda_intel snd_hda_codec snd_hwdep
> snd_pcm snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq snd_timer
> snd_seq_device iwlwifi i915 mac80211 drm_kms_helper wmi uvcvideo psmouse
> videodev v4l2_compat_ioctl32 cfg80211 mac_hid intel_ips snd serio_raw drm
> mei(C) soundcore i2c_algo_bit video snd_page_alloc lp parport usbhid hid
> r8169
>   Jun 11 16:41:19 amu-Studio-1569 kernel: [11126.142316] CPU 0
>   Jun 11 16:41:19 amu-Studio-1569 kernel: [11126.142318] Modules linked
> in: snd_seq_dummy joydev snd_hda_codec_hdmi snd_hda_codec_realtek
> parport_pc ppdev rfcomm bnep btusb bluetooth binfmt_misc arc4 dell_wmi
> sparse_keymap dell_laptop dcdbas snd_hda_intel snd_hda_codec snd_hwdep
> snd_pcm snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq snd_timer
> snd_seq_device iwlwifi i915 mac80211 drm_kms_helper wmi uvcvideo psmouse
> videodev v4l2_compat_ioctl32 cfg80211 mac_hid intel_ips snd serio_raw drm
> mei(C) soundcore i2c_algo_bit video snd_page_alloc lp parport usbhid hid
> r8169
>   Jun 11 16:41:19 amu-Studio-1569 kernel: [11126.142369]
>   Jun 11 16:41:19 amu-Studio-1569 kernel: [11126.142373] Pid: 566, comm:
> kworker/0:3 Tainted: G         C   3.2.0-24-generic #39-Ubuntu Dell Inc.
> Studio 1569/0R225F
>   Jun 11 16:41:19 amu-Studio-1569 kernel: [11126.142381] RIP:
> 0010:[<ffffffffa00c9d73>]  [<ffffffffa00c9d73>] mei_timer+0xc3/0x260 [mei]
>   Jun 11 16:41:19 amu-Studio-1569 kernel: [11126.142394] RSP:
> 0018:ffff880115149de0  EFLAGS: 00000283
>   Jun 11 16:41:19 amu-Studio-1569 kernel: [11126.142398] RAX:
> ffff88012cef17f0 RBX: ffff880133409f00 RCX: ffff88012cef17f0
>   Jun 11 16:41:19 amu-Studio-1569 kernel: [11126.142401] RDX:
> 0000000000000000 RSI: ffff88012cef1270 RDI: ffff88012cef1298
>   Jun 11 16:41:19 amu-Studio-1569 kernel: [11126.142405] RBP:
> ffff880115149e00 R08: 0000000000000004 R09: 0000000000000004
>   Jun 11 16:41:19 amu-Studio-1569 kernel: [11126.142408] R10:
> 0000000000000004 R11: 0000000000000064 R12: 0000000000000000
>   Jun 11 16:41:19 amu-Studio-1569 kernel: [11126.142412] R13:
> ffffffff81500e30 R14: ffff880115149dd0 R15: 0000000000000282
>   Jun 11 16:41:19 amu-Studio-1569 kernel: [11126.142417] FS:
>  0000000000000000(0000) GS:ffff880137c00000(0000) knlGS:0000000000000000
>   Jun 11 16:41:19 amu-Studio-1569 kernel: [11126.142421] CS:  0010 DS:
> 0000 ES: 0000 CR0: 000000008005003b
>   Jun 11 16:41:19 amu-Studio-1569 kernel: [11126.142424] CR2:
> 000000007e3e1000 CR3: 0000000001c05000 CR4: 00000000000006f0
>   Jun 11 16:41:19 amu-Studio-1569 kernel: [11126.142428] DR0:
> 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>   Jun 11 16:41:19 amu-Studio-1569 kernel: [11126.142432] DR3:
> 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
>   Jun 11 16:41:19 amu-Studio-1569 kernel: [11126.142436] Process
> kworker/0:3 (pid: 566, threadinfo ffff880115148000, task ffff8801151edbc0)
>   Jun 11 16:41:19 amu-Studio-1569 kernel: [11126.142439] Stack:
>   Jun 11 16:41:19 amu-Studio-1569 kernel: [11126.142442]  ffff88012cef12b8
> ffff88012ae0c800 ffff880137c17300 ffff880137c0e480
>   Jun 11 16:41:19 amu-Studio-1569 kernel: [11126.142449]  ffff880115149e70
> ffffffff81084f5a ffff880115149fd8 0000000000013780
>   Jun 11 16:41:19 amu-Studio-1569 kernel: [11126.142455]  ffffffff81c0d020
> ffff8801151edbc0 ffff880137c17305 00ff88012ae0c800
>   Jun 11 16:41:19 amu-Studio-1569 kernel: [11126.142462] Call Trace:
>   Jun 11 16:41:19 amu-Studio-1569 kernel: [11126.142473]
>  [<ffffffff81084f5a>] process_one_work+0x11a/0x480
>   Jun 11 16:41:19 amu-Studio-1569 kernel: [11126.142480]
>  [<ffffffff81085d04>] worker_thread+0x164/0x370
>   Jun 11 16:41:19 amu-Studio-1569 kernel: [11126.142486]
>  [<ffffffff81085ba0>] ? manage_workers.isra.29+0x130/0x130
>   Jun 11 16:41:19 amu-Studio-1569 kernel: [11126.142493]
>  [<ffffffff8108a55c>] kthread+0x8c/0xa0
>   Jun 11 16:41:19 amu-Studio-1569 kernel: [11126.142500]
>  [<ffffffff81666ef4>] kernel_thread_helper+0x4/0x10
>   Jun 11 16:41:19 amu-Studio-1569 kernel: [11126.142506]
>  [<ffffffff8108a4d0>] ? flush_kthread_worker+0xa0/0xa0
>   Jun 11 16:41:19 amu-Studio-1569 kernel: [11126.142511]
>  [<ffffffff81666ef0>] ? gs_change+0x13/0x13
>   Jun 11 16:41:19 amu-Studio-1569 kernel: [11126.142514] Code: 02 00 00 48
> 39 f1 48 8b 01 75 0b eb 23 0f 1f 00 48 89 c1 48 89 d0 0f b6 51 73 84 d2 74
> 0a 83 ea 01 84 d2 88 51 73 74 bb 48 39 c6 <48> 8b 10 75 e0 8b 83 88 06 00
> 00 85 c0 74 11 83 e8 01 85 c0 89
>   Jun 11 16:41:19 amu-Studio-1569 kernel: [11126.142568] Call Trace:
>   Jun 11 16:41:19 amu-Studio-1569 kernel: [11126.142573]
>  [<ffffffff81084f5a>] process_one_work+0x11a/0x480
>   Jun 11 16:41:19 amu-Studio-1569 kernel: [11126.142578]
>  [<ffffffff81085d04>] worker_thread+0x164/0x370
>   Jun 11 16:41:19 amu-Studio-1569 kernel: [11126.142584]
>  [<ffffffff81085ba0>] ? manage_workers.isra.29+0x130/0x130
>   Jun 11 16:41:19 amu-Studio-1569 kernel: [11126.142589]
>  [<ffffffff8108a55c>] kthread+0x8c/0xa0
>   Jun 11 16:41:19 amu-Studio-1569 kernel: [11126.142594]
>  [<ffffffff81666ef4>] kernel_thread_helper+0x4/0x10
>   Jun 11 16:41:19 amu-Studio-1569 kernel: [11126.142599]
>  [<ffffffff8108a4d0>] ? flush_kthread_worker+0xa0/0xa0
>   Jun 11 16:41:19 amu-Studio-1569 kernel: [11126.142604]
>  [<ffffffff81666ef0>] ? gs_change+0x13/0x13
>   Jun 11 16:41:47 amu-Studio-1569 kernel: [11154.086774] BUG: soft lockup
> - CPU#0 stuck for 23s! [kworker/0:3:566]
>   Jun 11 16:41:47 amu-Studio-1569 kernel: [11154.086778] Modules linked
> in: snd_seq_dummy joydev snd_hda_codec_hdmi snd_hda_codec_realtek
> parport_pc ppdev rfcomm bnep btusb bluetooth binfmt_misc arc4 dell_wmi
> sparse_keymap dell_laptop dcdbas snd_hda_intel snd_hda_codec snd_hwdep
> snd_pcm snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq snd_timer
> snd_seq_device iwlwifi i915 mac80211 drm_kms_helper wmi uvcvideo psmouse
> videodev v4l2_compat_ioctl32 cfg80211 mac_hid intel_ips snd serio_raw drm
> mei(C) soundcore i2c_algo_bit video snd_page_alloc lp parport usbhid hid
> r8169
>   Jun 11 16:41:47 amu-Studio-1569 kernel: [11154.086816] CPU 0
>   Jun 11 16:41:47 amu-Studio-1569 kernel: [11154.086817] Modules linked
> in: snd_seq_dummy joydev snd_hda_codec_hdmi snd_hda_codec_realtek
> parport_pc ppdev rfcomm bnep btusb bluetooth binfmt_misc arc4 dell_wmi
> sparse_keymap dell_laptop dcdbas snd_hda_intel snd_hda_codec snd_hwdep
> snd_pcm snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq snd_timer
> snd_seq_device iwlwifi i915 mac80211 drm_kms_helper wmi uvcvideo psmouse
> videodev v4l2_compat_ioctl32 cfg80211 mac_hid intel_ips snd serio_raw drm
> mei(C) soundcore i2c_algo_bit video snd_page_alloc lp parport usbhid hid
> r8169
>   Jun 11 16:41:47 amu-Studio-1569 kernel: [11154.086841]
>   Jun 11 16:41:47 amu-Studio-1569 kernel: [11154.086843] Pid: 566, comm:
> kworker/0:3 Tainted: G         C   3.2.0-24-generic #39-Ubuntu Dell Inc.
> Studio 1569/0R225F
>   Jun 11 16:41:47 amu-Studio-1569 kernel: [11154.086847] RIP:
> 0010:[<ffffffffa00c9d58>]  [<ffffffffa00c9d58>] mei_timer+0xa8/0x260 [mei]
>   Jun 11 16:41:47 amu-Studio-1569 kernel: [11154.086856] RSP:
> 0018:ffff880115149de0  EFLAGS: 00000283
>   Jun 11 16:41:47 amu-Studio-1569 kernel: [11154.086857] RAX:
> ffff88012cef17f0 RBX: ffff880133409f00 RCX: ffff88012cef17f0
>   Jun 11 16:41:47 amu-Studio-1569 kernel: [11154.086859] RDX:
> ffff88012cef17f0 RSI: ffff88012cef1270 RDI: ffff88012cef1298
>   Jun 11 16:41:47 amu-Studio-1569 kernel: [11154.086861] RBP:
> ffff880115149e00 R08: 0000000000000004 R09: 0000000000000004
>   Jun 11 16:41:47 amu-Studio-1569 kernel: [11154.086862] R10:
> 0000000000000004 R11: 0000000000000064 R12: 0000000000000000
>   Jun 11 16:41:47 amu-Studio-1569 kernel: [11154.086864] R13:
> ffffffff81500e30 R14: ffff880115149dd0 R15: 0000000000000282
>   Jun 11 16:41:47 amu-Studio-1569 kernel: [11154.086866] FS:
>  0000000000000000(0000) GS:ffff880137c00000(0000) knlGS:0000000000000000
>   Jun 11 16:41:47 amu-Studio-1569 kernel: [11154.086868] CS:  0010 DS:
> 0000 ES: 0000 CR0: 000000008005003b
>   Jun 11 16:41:47 amu-Studio-1569 kernel: [11154.086870] CR2:
> 000000007e3e1000 CR3: 0000000001c05000 CR4: 00000000000006f0
>   Jun 11 16:41:47 amu-Studio-1569 kernel: [11154.086872] DR0:
> 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>   Jun 11 16:41:47 amu-Studio-1569 kernel: [11154.086873] DR3:
> 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
>   Jun 11 16:41:47 amu-Studio-1569 kernel: [11154.086876] Process
> kworker/0:3 (pid: 566, threadinfo ffff880115148000, task ffff8801151edbc0)
>   Jun 11 16:41:47 amu-Studio-1569 kernel: [11154.086877] Stack:
>   Jun 11 16:41:47 amu-Studio-1569 kernel: [11154.086879]  ffff88012cef12b8
> ffff88012ae0c800 ffff880137c17300 ffff880137c0e480
>   Jun 11 16:41:47 amu-Studio-1569 kernel: [11154.086882]  ffff880115149e70
> ffffffff81084f5a ffff880115149fd8 0000000000013780
>   Jun 11 16:41:47 amu-Studio-1569 kernel: [11154.086885]  ffffffff81c0d020
> ffff8801151edbc0 ffff880137c17305 00ff88012ae0c800
>   Jun 11 16:41:47 amu-Studio-1569 kernel: [11154.086888] Call Trace:
>   Jun 11 16:41:47 amu-Studio-1569 kernel: [11154.086896]
>  [<ffffffff81084f5a>] process_one_work+0x11a/0x480
>   Jun 11 16:41:47 amu-Studio-1569 kernel: [11154.086900]
>  [<ffffffff81085d04>] worker_thread+0x164/0x370
>   Jun 11 16:41:47 amu-Studio-1569 kernel: [11154.086903]
>  [<ffffffff81085ba0>] ? manage_workers.isra.29+0x130/0x130
>   Jun 11 16:41:47 amu-Studio-1569 kernel: [11154.086907]
>  [<ffffffff8108a55c>] kthread+0x8c/0xa0
>   Jun 11 16:41:47 amu-Studio-1569 kernel: [11154.086912]
>  [<ffffffff81666ef4>] kernel_thread_helper+0x4/0x10
>   Jun 11 16:41:47 amu-Studio-1569 kernel: [11154.086914]
>  [<ffffffff8108a4d0>] ? flush_kthread_worker+0xa0/0xa0
>   Jun 11 16:41:47 amu-Studio-1569 kernel: [11154.086917]
>  [<ffffffff81666ef0>] ? gs_change+0x13/0x13
>   Jun 11 16:41:47 amu-Studio-1569 kernel: [11154.086918] Code: 00 00 00 4c
> 89 ef e8 a8 dc ff ff eb af 66 0f 1f 44 00 00 48 8b 4b b8 49 8d b5 70 02 00
> 00 48 39 f1 48 8b 01 75 0b eb 23 0f 1f 00 <48> 89 c1 48 89 d0 0f b6 51 73
> 84 d2 74 0a 83 ea 01 84 d2 88 51
>   Jun 11 16:41:47 amu-Studio-1569 kernel: [11154.086944] Call Trace:
>   Jun 11 16:41:47 amu-Studio-1569 kernel: [11154.086946]
>  [<ffffffff81084f5a>] process_one_work+0x11a/0x480
>   Jun 11 16:41:47 amu-Studio-1569 kernel: [11154.086949]
>  [<ffffffff81085d04>] worker_thread+0x164/0x370
>   Jun 11 16:41:47 amu-Studio-1569 kernel: [11154.086951]
>  [<ffffffff81085ba0>] ? manage_workers.isra.29+0x130/0x130
>   Jun 11 16:41:47 amu-Studio-1569 kernel: [11154.086954]
>  [<ffffffff8108a55c>] kthread+0x8c/0xa0
>   Jun 11 16:41:47 amu-Studio-1569 kernel: [11154.086956]
>  [<ffffffff81666ef4>] kernel_thread_helper+0x4/0x10
>   Jun 11 16:41:47 amu-Studio-1569 kernel: [11154.086959]
>  [<ffffffff8108a4d0>] ? flush_kthread_worker+0xa0/0xa0
>   Jun 11 16:41:47 amu-Studio-1569 kernel: [11154.086961]
>  [<ffffffff81666ef0>] ? gs_change+0x13/0x13
>   Jun 11 16:41:55 amu-Studio-1569 kernel: [11161.492074] INFO: rcu_sched
> detected stall on CPU 0 (t=15000 jiffies)
>   Jun 11 16:41:55 amu-Studio-1569 kernel: [11161.492095] sending NMI to
> all CPUs:
>   Jun 11 16:41:55 amu-Studio-1569 kernel: [11161.492105] NMI backtrace for
> cpu 1
>   Jun 11 16:41:55 amu-Studio-1569 kernel: [11161.492110] CPU 1
>   Jun 11 16:41:55 amu-Studio-1569 kernel: [11161.492113] Modules linked
> in: snd_seq_dummy joydev snd_hda_codec_hdmi snd_hda_codec_realtek
> parport_pc ppdev rfcomm bnep btusb bluetooth binfmt_misc arc4 dell_wmi
> sparse_keymap dell_laptop dcdbas snd_hda_intel snd_hda_codec snd_hwdep
> snd_pcm snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq snd_timer
> snd_seq_device iwlwifi i915 mac80211 drm_kms_helper wmi uvcvideo psmouse
> videodev v4l2_compat_ioctl32 cfg80211 mac_hid intel_ips snd serio_raw drm
> mei(C) soundcore i2c_algo_bit video snd_page_alloc lp parport usbhid hid
> r8169
>   Jun 11 16:41:55 amu-Studio-1569 kernel: [11161.492194]
>   Jun 11 16:41:55 amu-Studio-1569 kernel: [11161.492200] Pid: 0, comm:
> swapper/1 Tainted: G         C   3.2.0-24-generic #39-Ubuntu Dell Inc.
> Studio 1569/0R225F
>   Jun 11 16:41:55 amu-Studio-1569 kernel: [11161.492209] RIP:
> 0010:[<ffffffff8108f811>]  [<ffffffff8108f811>]
> hrtimer_run_queues+0xb1/0x160
>   Jun 11 16:41:55 amu-Studio-1569 kernel: [11161.492226] RSP:
> 0018:ffff880137c83e20  EFLAGS: 00000092
>   Jun 11 16:41:55 amu-Studio-1569 kernel: [11161.492230] RAX:
> 0000000000000001 RBX: ffff880137c8e7c0 RCX: 0000000000000000
>   Jun 11 16:41:55 amu-Studio-1569 kernel: [11161.492235] RDX:
> 0000000000000000 RSI: 0000000000000000 RDI: ffff880130e816f0
>   Jun 11 16:41:55 amu-Studio-1569 kernel: [11161.492240] RBP:
> ffff880137c83e48 R08: 0000000000000000 R09: 0000000000000000
>   Jun 11 16:41:55 amu-Studio-1569 kernel: [11161.492244] R10:
> 0000000000000ba4 R11: 0000000000000000 R12: 0000000000000000
>   Jun 11 16:41:55 amu-Studio-1569 kernel: [11161.492249] R13:
> 0000000000000001 R14: ffff880137c8e7c0 R15: 7fffffffffffffff
>   Jun 11 16:41:55 amu-Studio-1569 kernel: [11161.492255] FS:
>  0000000000000000(0000) GS:ffff880137c80000(0000) knlGS:0000000000000000
>   Jun 11 16:41:55 amu-Studio-1569 kernel: [11161.492260] CS:  0010 DS:
> 0000 ES: 0000 CR0: 000000008005003b
>   Jun 11 16:41:55 amu-Studio-1569 kernel: [11161.492265] CR2:
> 000000007e3e1000 CR3: 0000000001c05000 CR4: 0000000Jun 11 19:46:57
> amu-Studio-1569 kernel: imklog 5.8.6, log source = /proc/kmsg started.
>
>   ProblemType: Bug
>   DistroRelease: Ubuntu 12.04
>   Package: linux-image-3.2.0-24-generic 3.2.0-24.39
>   ProcVersionSignature: Ubuntu 3.2.0-24.39-generic 3.2.16
>   Uname: Linux 3.2.0-24-generic x86_64
>   AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
>   ApportVersion: 2.0.1-0ubuntu8
>   Architecture: amd64
>   ArecordDevices:
>    **** List of CAPTURE Hardware Devices ****
>    card 0: Intel [HDA Intel], device 0: ALC269 Analog [ALC269 Analog]
>      Subdevices: 1/1
>      Subdevice #0: subdevice #0
>   AudioDevicesInUse:
>    USER        PID ACCESS COMMAND
>    /dev/snd/controlC0:  amu        1876 F.... TeamViewer.exe
>                         amu        2985 F.... gnome-alsamixer
>   CRDA: Error: [Errno 2] No such file or directory
>   Card0.Amixer.info:
>    Card hw:0 'Intel'/'HDA Intel at 0xf0800000 irq 44'
>      Mixer name : 'Intel IbexPeak HDMI'
>      Components : 'HDA:10ec0269,10280417,00100004
> HDA:80862804,80860101,00100000'
>      Controls      : 36
>      Simple ctrls  : 13
>   Date: Mon Jun 11 20:24:21 2012
>   HibernationDevice: RESUME=UUID=4a795014-030f-47a1-8032-2f46f6ef97a9
>   IwConfig: Error: [Errno 2] No such file or directory
>   MachineType: Dell Inc. Studio 1569
>   ProcEnviron:
>    LANGUAGE=en_US:en
>    TERM=xterm
>    PATH=(custom, no user)
>    LANG=en_US.UTF-8
>    SHELL=/bin/bash
>   ProcFB: 0 inteldrmfb
>   ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-24-generic
> root=UUID=875aea8f-e40a-49b9-8f87-46282668578c ro quiet splash acpi=force
> vt.handoff=7
>   PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No
> PulseAudio daemon running, or not running as session daemon.
>   RelatedPackageVersions:
>    linux-restricted-modules-3.2.0-24-generic N/A
>    linux-backports-modules-3.2.0-24-generic  N/A
>    linux-firmware                            1.79
>   RfKill: Error: [Errno 2] No such file or directory
>   SourcePackage: linux
>   StagingDrivers: mei
>   UdevDb: Error: [Errno 2] No such file or directory
>   UpgradeStatus: No upgrade log present (probably fresh install)
>   dmi.bios.date: 10/18/2010
>   dmi.bios.vendor: Dell Inc.
>   dmi.bios.version: A08
>   dmi.board.name: 0R225F
>   dmi.board.vendor: Dell Inc.
>   dmi.board.version: A08
>   dmi.chassis.type: 8
>   dmi.chassis.vendor: Dell Inc.
>   dmi.chassis.version: A08
>   dmi.modalias:
> dmi:bvnDellInc.:bvrA08:bd10/18/2010:svnDellInc.:pnStudio1569:pvrA08:rvnDellInc.:rn0R225F:rvrA08:cvnDellInc.:ct8:cvrA08:
>   dmi.product.name: Studio 1569
>   dmi.product.version: A08
>   dmi.sys.vendor: Dell Inc.
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1011914/+subscriptions
>