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[Bug 1411365] Re: UVC Random crashes

 

[Expired for linux (Ubuntu) because there has been no activity for 60
days.]

** Changed in: linux (Ubuntu)
       Status: Incomplete => Expired

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https://bugs.launchpad.net/bugs/1411365

Title:
  UVC Random crashes

Status in linux package in Ubuntu:
  Expired

Bug description:
  The camera driver sometimes doesn't enable the camera (causing apps
  wanting to use it to crash) and sometimes the image simply freezes
  (together with the application using it). Dmesg outputs the following:

  [  957.745133] usb 3-11: USB disconnect, device number 6
  [  958.018393] usb 3-11: new high-speed USB device number 7 using xhci_hcd
  [  958.068999] usb 3-11: New USB device found, idVendor=045e, idProduct=0772
  [  958.069008] usb 3-11: New USB device strings: Mfr=1, Product=2, SerialNumber=0
  [  958.069013] usb 3-11: Product: Microsoft\xffffffc2\xffffffae\xffffffae LifeCam Studio(TM)
  [  958.069017] usb 3-11: Manufacturer: Microsoft
  [  958.070777] uvcvideo: Found UVC 1.00 device Microsoft\xffffffc2\xffffffae\xffffffae LifeCam Studio(TM) (045e:0772)
  [  958.127723] input: Microsoft\xffffffc2\xffffffae\xffffffae LifeCam Studio(TM) as /devices/pci0000:00/0000:00:14.0/usb3/3-11/3-11:1.0/input/input28
  [  963.484665] 7:3:1: cannot get freq at ep 0x82
  [  963.545681] hid-generic 0003:045E:0772.000B: hiddev0,hidraw9: USB HID v1.01 Device [Microsoft Microsoft\xffffffc2\xffffffae\xffffffae LifeCam Studio(TM)] on usb-0000:00:14.0-11/input4
  [  968.927011] uvcvideo: Failed to set UVC probe control : -110 (exp. 26).
  [  968.927031] 7:3:1: cannot get freq at ep 0x82
  [  968.927256] uvcvideo: Failed to set UVC probe control : -32 (exp. 26).
  [  973.932828] 7:3:1: cannot get freq at ep 0x82
  [  973.932952] uvcvideo: Failed to query (130) UVC probe control : -32 (exp. 26).
  [  979.343032] uvcvideo: Failed to set UVC probe control : -110 (exp. 26).
  [  979.343045] 7:3:1: cannot get freq at ep 0x82
  [  979.343258] uvcvideo: Failed to set UVC probe control : -32 (exp. 26).
  [  984.348874] uvcvideo: Failed to query (130) UVC probe control : -110 (exp. 26).
  [  984.348894] 7:3:1: cannot get freq at ep 0x82
  [  984.349122] uvcvideo: Failed to set UVC probe control : -32 (exp. 26).
  [ 1001.801041] ------------[ cut here ]------------
  [ 1001.801057] WARNING: CPU: 1 PID: 10986 at /build/buildd/linux-lts-trusty-3.13.0/fs/sysfs/group.c:214 sysfs_remove_group+0xe8/0xf0()
  [ 1001.801058] sysfs group ffffffff81caac00 not found for kobject 'event24'
  [ 1001.801059] Modules linked in: uvcvideo videobuf2_core videodev snd_usb_audio videobuf2_vmalloc videobuf2_memops snd_usbmidi_lib pci_stub vboxpci(OX) vboxnetadp(OX) vboxnetflt(OX) vboxdrv(OX) bnep rfcomm btusb bluetooth snd_hda_codec_hdmi joydev snd_hda_codec_realtek ppdev snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_seq_midi snd_rawmidi snd_seq_midi_event psmouse snd_seq serio_raw snd_timer lpc_ich snd_seq_device snd parport_pc soundcore snd_page_alloc mei_me mei mac_hid lp parport hid_generic usbhid hid radeon video e1000e ttm drm_kms_helper drm i2c_algo_bit ptp pps_core ahci libahci
  [ 1001.801080] CPU: 1 PID: 10986 Comm: gdbus Tainted: G           OX 3.13.0-44-generic #73~precise1-Ubuntu
  [ 1001.801081] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./H87M Pro4, BIOS P2.20 07/04/2014
  [ 1001.801082]  00000000000000d6 ffff8804049999c8 ffffffff817580b1 0000000000000007
  [ 1001.801083]  ffff880404999a18 ffff880404999a08 ffffffff8106afdc ffff8804049999f8
  [ 1001.801085]  ffffffff81caac00 ffff880402ad64c0 0000000000000000 ffff8804066d34d8
  [ 1001.801086] Call Trace:
  [ 1001.801090]  [<ffffffff817580b1>] dump_stack+0x46/0x58
  [ 1001.801093]  [<ffffffff8106afdc>] warn_slowpath_common+0x8c/0xc0
  [ 1001.801094]  [<ffffffff8106b0c6>] warn_slowpath_fmt+0x46/0x50
  [ 1001.801096]  [<ffffffff81243829>] ? sysfs_get_dirent_ns+0x59/0x80
  [ 1001.801097]  [<ffffffff81244cc8>] sysfs_remove_group+0xe8/0xf0
  [ 1001.801100]  [<ffffffff814bc420>] dpm_sysfs_remove+0x40/0x50
  [ 1001.801102]  [<ffffffff81478156>] ? kbd_disconnect+0x26/0x30
  [ 1001.801104]  [<ffffffff814b2117>] device_del+0x47/0x1a0
  [ 1001.801107]  [<ffffffff815b6cce>] evdev_disconnect+0x2e/0x70
  [ 1001.801108]  [<ffffffff815b2d05>] __input_unregister_device+0xc5/0x1a0
  [ 1001.801110]  [<ffffffff815b2e35>] input_unregister_device+0x55/0x80
  [ 1001.801113]  [<ffffffffa0593f26>] uvc_status_cleanup+0x46/0x50 [uvcvideo]
  [ 1001.801114]  [<ffffffffa058932d>] uvc_delete+0x2d/0x140 [uvcvideo]
  [ 1001.801115]  [<ffffffffa058955d>] uvc_release+0x2d/0x40 [uvcvideo]
  [ 1001.801119]  [<ffffffffa054982e>] v4l2_device_release+0xce/0x100 [videodev]
  [ 1001.801121]  [<ffffffff814b141e>] device_release+0x3e/0xc0
  [ 1001.801122]  [<ffffffffa058c1ad>] ? uvc_v4l2_release+0x5d/0x110 [uvcvideo]
  [ 1001.801124]  [<ffffffff8137c8c2>] kobject_cleanup+0x82/0x1c0
  [ 1001.801126]  [<ffffffff8137c730>] kobject_put+0x30/0x70
  [ 1001.801127]  [<ffffffff814b10e7>] put_device+0x17/0x20
  [ 1001.801129]  [<ffffffffa0548473>] v4l2_release+0x53/0x80 [videodev]
  [ 1001.801132]  [<ffffffff811cc5ed>] __fput+0xbd/0x270
  [ 1001.801133]  [<ffffffff811cc7ee>] ____fput+0xe/0x10
  [ 1001.801135]  [<ffffffff8108c514>] task_work_run+0xc4/0xe0
  [ 1001.801136]  [<ffffffff8106dc66>] do_exit+0x196/0x480
  [ 1001.801138]  [<ffffffff8107b20b>] ? __dequeue_signal+0x6b/0xb0
  [ 1001.801139]  [<ffffffff8106dfe4>] do_group_exit+0x44/0xa0
  [ 1001.801141]  [<ffffffff8107e460>] get_signal_to_deliver+0x230/0x580
  [ 1001.801143]  [<ffffffff81014d57>] do_signal+0x47/0x140
  [ 1001.801145]  [<ffffffff8109f9e0>] ? try_to_wake_up+0x210/0x210
  [ 1001.801146]  [<ffffffff811cb2f8>] ? vfs_read+0x108/0x180
  [ 1001.801148]  [<ffffffff81014ef2>] do_notify_resume+0xa2/0xd0
  [ 1001.801150]  [<ffffffff8176da2a>] int_signal+0x12/0x17
  [ 1001.801151] ---[ end trace 82a7936b48c7af66 ]---
  [ 1001.812987] ------------[ cut here ]------------
  [ 1001.812993] WARNING: CPU: 2 PID: 10986 at /build/buildd/linux-lts-trusty-3.13.0/fs/sysfs/group.c:214 sysfs_remove_group+0xe8/0xf0()
  [ 1001.812994] sysfs group ffffffff81caac00 not found for kobject 'input27'
  [ 1001.812995] Modules linked in: uvcvideo videobuf2_core videodev snd_usb_audio videobuf2_vmalloc videobuf2_memops snd_usbmidi_lib pci_stub vboxpci(OX) vboxnetadp(OX) vboxnetflt(OX) vboxdrv(OX) bnep rfcomm btusb bluetooth snd_hda_codec_hdmi joydev snd_hda_codec_realtek ppdev snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_seq_midi snd_rawmidi snd_seq_midi_event psmouse snd_seq serio_raw snd_timer lpc_ich snd_seq_device snd parport_pc soundcore snd_page_alloc mei_me mei mac_hid lp parport hid_generic usbhid hid radeon video e1000e ttm drm_kms_helper drm i2c_algo_bit ptp pps_core ahci libahci
  [ 1001.813034] CPU: 2 PID: 10986 Comm: gdbus Tainted: G        W  OX 3.13.0-44-generic #73~precise1-Ubuntu
  [ 1001.813035] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./H87M Pro4, BIOS P2.20 07/04/2014
  [ 1001.813036]  00000000000000d6 ffff8804049999f8 ffffffff817580b1 0000000000000007
  [ 1001.813038]  ffff880404999a48 ffff880404999a38 ffffffff8106afdc ffff880404999a28
  [ 1001.813039]  ffffffff81caac00 ffff880405c33a58 0000000000000000 ffff8804066d34d8
  [ 1001.813040] Call Trace:
  [ 1001.813044]  [<ffffffff817580b1>] dump_stack+0x46/0x58
  [ 1001.813047]  [<ffffffff8106afdc>] warn_slowpath_common+0x8c/0xc0
  [ 1001.813049]  [<ffffffff8106b0c6>] warn_slowpath_fmt+0x46/0x50
  [ 1001.813050]  [<ffffffff81243829>] ? sysfs_get_dirent_ns+0x59/0x80
  [ 1001.813051]  [<ffffffff81244cc8>] sysfs_remove_group+0xe8/0xf0
  [ 1001.813054]  [<ffffffff814bc420>] dpm_sysfs_remove+0x40/0x50
  [ 1001.813055]  [<ffffffff814b2117>] device_del+0x47/0x1a0
  [ 1001.813058]  [<ffffffff815b2d93>] __input_unregister_device+0x153/0x1a0
  [ 1001.813059]  [<ffffffff815b2e35>] input_unregister_device+0x55/0x80
  [ 1001.813062]  [<ffffffffa0593f26>] uvc_status_cleanup+0x46/0x50 [uvcvideo]
  [ 1001.813063]  [<ffffffffa058932d>] uvc_delete+0x2d/0x140 [uvcvideo]
  [ 1001.813065]  [<ffffffffa058955d>] uvc_release+0x2d/0x40 [uvcvideo]
  [ 1001.813068]  [<ffffffffa054982e>] v4l2_device_release+0xce/0x100 [videodev]
  [ 1001.813070]  [<ffffffff814b141e>] device_release+0x3e/0xc0
  [ 1001.813071]  [<ffffffffa058c1ad>] ? uvc_v4l2_release+0x5d/0x110 [uvcvideo]
  [ 1001.813073]  [<ffffffff8137c8c2>] kobject_cleanup+0x82/0x1c0
  [ 1001.813075]  [<ffffffff8137c730>] kobject_put+0x30/0x70
  [ 1001.813076]  [<ffffffff814b10e7>] put_device+0x17/0x20
  [ 1001.813078]  [<ffffffffa0548473>] v4l2_release+0x53/0x80 [videodev]
  [ 1001.813080]  [<ffffffff811cc5ed>] __fput+0xbd/0x270
  [ 1001.813081]  [<ffffffff811cc7ee>] ____fput+0xe/0x10
  [ 1001.813083]  [<ffffffff8108c514>] task_work_run+0xc4/0xe0
  [ 1001.813085]  [<ffffffff8106dc66>] do_exit+0x196/0x480
  [ 1001.813086]  [<ffffffff8107b20b>] ? __dequeue_signal+0x6b/0xb0
  [ 1001.813087]  [<ffffffff8106dfe4>] do_group_exit+0x44/0xa0
  [ 1001.813089]  [<ffffffff8107e460>] get_signal_to_deliver+0x230/0x580
  [ 1001.813091]  [<ffffffff81014d57>] do_signal+0x47/0x140
  [ 1001.813093]  [<ffffffff8109f9e0>] ? try_to_wake_up+0x210/0x210
  [ 1001.813094]  [<ffffffff811cb2f8>] ? vfs_read+0x108/0x180
  [ 1001.813096]  [<ffffffff81014ef2>] do_notify_resume+0xa2/0xd0
  [ 1001.813098]  [<ffffffff8176da2a>] int_signal+0x12/0x17
  [ 1001.813099] ---[ end trace 82a7936b48c7af67 ]---
  [ 1001.813104] ------------[ cut here ]------------
  [ 1001.813105] WARNING: CPU: 2 PID: 10986 at /build/buildd/linux-lts-trusty-3.13.0/fs/sysfs/group.c:214 sysfs_remove_group+0xe8/0xf0()
  [ 1001.813106] sysfs group ffffffff81ccf520 not found for kobject 'input27'
  [ 1001.813106] Modules linked in: uvcvideo videobuf2_core videodev snd_usb_audio videobuf2_vmalloc videobuf2_memops snd_usbmidi_lib pci_stub vboxpci(OX) vboxnetadp(OX) vboxnetflt(OX) vboxdrv(OX) bnep rfcomm btusb bluetooth snd_hda_codec_hdmi joydev snd_hda_codec_realtek ppdev snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_seq_midi snd_rawmidi snd_seq_midi_event psmouse snd_seq serio_raw snd_timer lpc_ich snd_seq_device snd parport_pc soundcore snd_page_alloc mei_me mei mac_hid lp parport hid_generic usbhid hid radeon video e1000e ttm drm_kms_helper drm i2c_algo_bit ptp pps_core ahci libahci
  [ 1001.813119] CPU: 2 PID: 10986 Comm: gdbus Tainted: G        W  OX 3.13.0-44-generic #73~precise1-Ubuntu
  [ 1001.813120] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./H87M Pro4, BIOS P2.20 07/04/2014
  [ 1001.813120]  00000000000000d6 ffff8804049999b8 ffffffff817580b1 0000000000000007
  [ 1001.813121]  ffff880404999a08 ffff8804049999f8 ffffffff8106afdc ffff8804049999e8
  [ 1001.813122]  ffffffff81ccf520 ffff880405c33a58 0000000000000000 ffffffff81ccf420
  [ 1001.813124] Call Trace:
  [ 1001.813125]  [<ffffffff817580b1>] dump_stack+0x46/0x58
  [ 1001.813127]  [<ffffffff8106afdc>] warn_slowpath_common+0x8c/0xc0
  [ 1001.813128]  [<ffffffff8106b0c6>] warn_slowpath_fmt+0x46/0x50
  [ 1001.813129]  [<ffffffff81243829>] ? sysfs_get_dirent_ns+0x59/0x80
  [ 1001.813131]  [<ffffffff81244cc8>] sysfs_remove_group+0xe8/0xf0
  [ 1001.813132]  [<ffffffff81244d0b>] sysfs_remove_groups+0x3b/0x60
  [ 1001.813133]  [<ffffffff814b19fb>] device_remove_attrs+0x5b/0x80
  [ 1001.813134]  [<ffffffff814b21e0>] device_del+0x110/0x1a0
  [ 1001.813136]  [<ffffffff815b2d93>] __input_unregister_device+0x153/0x1a0
  [ 1001.813137]  [<ffffffff815b2e35>] input_unregister_device+0x55/0x80
  [ 1001.813139]  [<ffffffffa0593f26>] uvc_status_cleanup+0x46/0x50 [uvcvideo]
  [ 1001.813140]  [<ffffffffa058932d>] uvc_delete+0x2d/0x140 [uvcvideo]
  [ 1001.813142]  [<ffffffffa058955d>] uvc_release+0x2d/0x40 [uvcvideo]
  [ 1001.813144]  [<ffffffffa054982e>] v4l2_device_release+0xce/0x100 [videodev]
  [ 1001.813145]  [<ffffffff814b141e>] device_release+0x3e/0xc0
  [ 1001.813147]  [<ffffffffa058c1ad>] ? uvc_v4l2_release+0x5d/0x110 [uvcvideo]
  [ 1001.813148]  [<ffffffff8137c8c2>] kobject_cleanup+0x82/0x1c0
  [ 1001.813149]  [<ffffffff8137c730>] kobject_put+0x30/0x70
  [ 1001.813150]  [<ffffffff814b10e7>] put_device+0x17/0x20
  [ 1001.813152]  [<ffffffffa0548473>] v4l2_release+0x53/0x80 [videodev]
  [ 1001.813153]  [<ffffffff811cc5ed>] __fput+0xbd/0x270
  [ 1001.813155]  [<ffffffff811cc7ee>] ____fput+0xe/0x10
  [ 1001.813156]  [<ffffffff8108c514>] task_work_run+0xc4/0xe0
  [ 1001.813157]  [<ffffffff8106dc66>] do_exit+0x196/0x480
  [ 1001.813159]  [<ffffffff8107b20b>] ? __dequeue_signal+0x6b/0xb0
  [ 1001.813160]  [<ffffffff8106dfe4>] do_group_exit+0x44/0xa0
  [ 1001.813161]  [<ffffffff8107e460>] get_signal_to_deliver+0x230/0x580
  [ 1001.813163]  [<ffffffff81014d57>] do_signal+0x47/0x140
  [ 1001.813164]  [<ffffffff8109f9e0>] ? try_to_wake_up+0x210/0x210
  [ 1001.813166]  [<ffffffff811cb2f8>] ? vfs_read+0x108/0x180
  [ 1001.813167]  [<ffffffff81014ef2>] do_notify_resume+0xa2/0xd0
  [ 1001.813168]  [<ffffffff8176da2a>] int_signal+0x12/0x17
  [ 1001.813169] ---[ end trace 82a7936b48c7af68 ]---
  [ 1001.813170] ------------[ cut here ]------------
  [ 1001.813171] WARNING: CPU: 2 PID: 10986 at /build/buildd/linux-lts-trusty-3.13.0/fs/sysfs/group.c:214 sysfs_remove_group+0xe8/0xf0()
  [ 1001.813171] sysfs group ffffffff81ccf540 not found for kobject 'input27'
  [ 1001.813172] Modules linked in: uvcvideo videobuf2_core videodev snd_usb_audio videobuf2_vmalloc videobuf2_memops snd_usbmidi_lib pci_stub vboxpci(OX) vboxnetadp(OX) vboxnetflt(OX) vboxdrv(OX) bnep rfcomm btusb bluetooth snd_hda_codec_hdmi joydev snd_hda_codec_realtek ppdev snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_seq_midi snd_rawmidi snd_seq_midi_event psmouse snd_seq serio_raw snd_timer lpc_ich snd_seq_device snd parport_pc soundcore snd_page_alloc mei_me mei mac_hid lp parport hid_generic usbhid hid radeon video e1000e ttm drm_kms_helper drm i2c_algo_bit ptp pps_core ahci libahci
  [ 1001.813184] CPU: 2 PID: 10986 Comm: gdbus Tainted: G        W  OX 3.13.0-44-generic #73~precise1-Ubuntu
  [ 1001.813184] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./H87M Pro4, BIOS P2.20 07/04/2014
  [ 1001.813185]  00000000000000d6 ffff8804049999b8 ffffffff817580b1 0000000000000007
  [ 1001.813186]  ffff880404999a08 ffff8804049999f8 ffffffff8106afdc ffff8804049999e8
  [ 1001.813187]  ffffffff81ccf540 ffff880405c33a58 0000000000000000 ffffffff81ccf420
  [ 1001.813188] Call Trace:
  [ 1001.813190]  [<ffffffff817580b1>] dump_stack+0x46/0x58
  [ 1001.813191]  [<ffffffff8106afdc>] warn_slowpath_common+0x8c/0xc0
  [ 1001.813193]  [<ffffffff8106b0c6>] warn_slowpath_fmt+0x46/0x50
  [ 1001.813194]  [<ffffffff81243829>] ? sysfs_get_dirent_ns+0x59/0x80
  [ 1001.813195]  [<ffffffff81244cc8>] sysfs_remove_group+0xe8/0xf0
  [ 1001.813196]  [<ffffffff81244d0b>] sysfs_remove_groups+0x3b/0x60
  [ 1001.813197]  [<ffffffff814b19fb>] device_remove_attrs+0x5b/0x80
  [ 1001.813199]  [<ffffffff814b21e0>] device_del+0x110/0x1a0
  [ 1001.813200]  [<ffffffff815b2d93>] __input_unregister_device+0x153/0x1a0
  [ 1001.813201]  [<ffffffff815b2e35>] input_unregister_device+0x55/0x80
  [ 1001.813203]  [<ffffffffa0593f26>] uvc_status_cleanup+0x46/0x50 [uvcvideo]
  [ 1001.813204]  [<ffffffffa058932d>] uvc_delete+0x2d/0x140 [uvcvideo]
  [ 1001.813206]  [<ffffffffa058955d>] uvc_release+0x2d/0x40 [uvcvideo]
  [ 1001.813208]  [<ffffffffa054982e>] v4l2_device_release+0xce/0x100 [videodev]
  [ 1001.813209]  [<ffffffff814b141e>] device_release+0x3e/0xc0
  [ 1001.813211]  [<ffffffffa058c1ad>] ? uvc_v4l2_release+0x5d/0x110 [uvcvideo]
  [ 1001.813212]  [<ffffffff8137c8c2>] kobject_cleanup+0x82/0x1c0
  [ 1001.813213]  [<ffffffff8137c730>] kobject_put+0x30/0x70
  [ 1001.813214]  [<ffffffff814b10e7>] put_device+0x17/0x20
  [ 1001.813216]  [<ffffffffa0548473>] v4l2_release+0x53/0x80 [videodev]
  [ 1001.813217]  [<ffffffff811cc5ed>] __fput+0xbd/0x270
  [ 1001.813219]  [<ffffffff811cc7ee>] ____fput+0xe/0x10
  [ 1001.813220]  [<ffffffff8108c514>] task_work_run+0xc4/0xe0
  [ 1001.813221]  [<ffffffff8106dc66>] do_exit+0x196/0x480
  [ 1001.813222]  [<ffffffff8107b20b>] ? __dequeue_signal+0x6b/0xb0
  [ 1001.813223]  [<ffffffff8106dfe4>] do_group_exit+0x44/0xa0
  [ 1001.813225]  [<ffffffff8107e460>] get_signal_to_deliver+0x230/0x580
  [ 1001.813226]  [<ffffffff81014d57>] do_signal+0x47/0x140
  [ 1001.813228]  [<ffffffff8109f9e0>] ? try_to_wake_up+0x210/0x210
  [ 1001.813230]  [<ffffffff811cb2f8>] ? vfs_read+0x108/0x180
  [ 1001.813231]  [<ffffffff81014ef2>] do_notify_resume+0xa2/0xd0
  [ 1001.813232]  [<ffffffff8176da2a>] int_signal+0x12/0x17
  [ 1001.813233] ---[ end trace 82a7936b48c7af69 ]---
  [ 1006.711630] usb 3-11: USB disconnect, device number 7
  --- 
  AlsaVersion: Advanced Linux Sound Architecture Driver Version k3.13.0-44-generic.
  ApportVersion: 2.0.1-0ubuntu17.8+elementary3~ubuntu12.04.1
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  cesar      3455 F.... pulseaudio
   /dev/snd/controlC0:  cesar      3455 F.... pulseaudio
   /dev/snd/pcmC0D0p:   cesar      3455 F...m pulseaudio
  CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211 not found.
  Card0.Amixer.info:
   Card hw:0 'PCH'/'HDA Intel PCH at 0xf0130000 irq 46'
     Mixer name	: 'Realtek ALC892'
     Components	: 'HDA:10ec0892,1849c892,00100302'
     Controls      : 46
     Simple ctrls  : 20
  Card1.Amixer.info:
   Card hw:1 'HDMI'/'HDA ATI HDMI at 0xf0060000 irq 47'
     Mixer name	: 'ATI R6xx HDMI'
     Components	: 'HDA:1002aa01,00aa0100,00100300'
     Controls      : 42
     Simple ctrls  : 6
  DistroRelease: elementary OS 0.2.1
  HibernationDevice: RESUME=UUID=6b7eed6e-1e69-4928-8fbd-5ba83a75ba34
  InstallationMedia: elementary OS 0.2 "Luna" - Stable amd64 (20130810)
  IwConfig:
   eth0      no wireless extensions.
   
   lo        no wireless extensions.
  MachineType: To Be Filled By O.E.M. To Be Filled By O.E.M.
  MarkForUpload: True
  Package: linux (not installed)
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 radeondrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-44-generic root=UUID=cd5cf8a5-3fbf-4072-a658-2f4d3c1d9f91 ro quiet splash
  ProcVersionSignature: Ubuntu 3.13.0-44.73~precise1-generic 3.13.11-ckt12
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-44-generic N/A
   linux-backports-modules-3.13.0-44-generic  N/A
   linux-firmware                             1.79.18
  RfKill:
   0: hci0: Bluetooth
   	Soft blocked: no
   	Hard blocked: no
  Tags:  luna
  Uname: Linux 3.13.0-44-generic x86_64
  UnreportableReason: This is not an official elementary package. Please remove any third party package and try again.
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  dmi.bios.date: 07/04/2014
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: P2.20
  dmi.board.name: H87M Pro4
  dmi.board.vendor: ASRock
  dmi.chassis.asset.tag: To Be Filled By O.E.M.
  dmi.chassis.type: 3
  dmi.chassis.vendor: To Be Filled By O.E.M.
  dmi.chassis.version: To Be Filled By O.E.M.
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrP2.20:bd07/04/2014:svnToBeFilledByO.E.M.:pnToBeFilledByO.E.M.:pvrToBeFilledByO.E.M.:rvnASRock:rnH87MPro4:rvr:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
  dmi.product.name: To Be Filled By O.E.M.
  dmi.product.version: To Be Filled By O.E.M.
  dmi.sys.vendor: To Be Filled By O.E.M.

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References