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Date
[Bug 618155] Re: BUG: soft lockup - CPU#0 stuck for 61s! [modprobe:1705]; RIP: 0010:[<ffffffffa0bc3f5c>] [<ffffffffa0bc3f5c>] find_audio_control_unit+0x2c/0x60 [snd_usb_audio]

To: kernel-packages@xxxxxxxxxxxxxxxxxxx
From: Indy P <indy@xxxxxxxx>
Date: Sat, 07 Nov 2015 14:09:13 -0000
Reply-to: Bug 618155 <618155@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
** Changed in: linux (Ubuntu)
       Status: Expired => Fix Released

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https://bugs.launchpad.net/bugs/618155

Title:
  BUG: soft lockup - CPU#0 stuck for 61s! [modprobe:1705]; RIP:
  0010:[<ffffffffa0bc3f5c>] [<ffffffffa0bc3f5c>]
  find_audio_control_unit+0x2c/0x60 [snd_usb_audio]

Status in linux package in Ubuntu:
  Fix Released

Bug description:
  When my usb headset is plugged in using the 2.6.32-24 kernel there is
  a cpu lockup. This also causes the gui to lockup and the keyboard is
  unresponsive. A hard reset is required to use the computer again.

  This is the specific information from when the usb device is plugged
  in from the kern.log

  Aug 15 08:56:46 talon kernel: [   82.760102] usb 8-2: new full speed USB device using uhci_hcd and address 2
  Aug 15 08:56:46 talon kernel: [   82.976326] usb 8-2: configuration #1 chosen from 1 choice
  Aug 15 08:56:46 talon kernel: [   82.983247] input: Logitech Logitech USB Headset as /devices/pci0000:00/0000:00:1d.2/usb8/8-2/8-2:1.3/input/input12
  Aug 15 08:56:46 talon kernel: [   82.983338] generic-usb 0003:046D:0A02.0003: input,hidraw2: USB HID v1.00 Device [Logitech Logitech USB Headset] on usb-0000:00:1d.2-
  2/input3
  Aug 15 08:57:50 talon kernel: [  146.790071] usb 8-2: USB disconnect, address 2
  Aug 15 08:57:51 talon kernel: [  148.179987] BUG: soft lockup - CPU#0 stuck for 61s! [modprobe:1705]
  Aug 15 08:57:51 talon kernel: [  148.179991] Modules linked in: snd_usb_audio(+) snd_usbmidi_lib snd_hda_codec_nvhdmi snd_hda_codec_realtek arc4 rfcomm iwlagn sco iwl
  core mac80211 compat_firmware_class uvcvideo videodev v4l1_compat v4l2_compat_ioctl32 fbcon tileblit font bitblit softcursor joydev snd_hda_intel snd_hda_codec snd_hw
  dep snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_dummy snd_seq_oss snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq snd_timer snd_seq_device video output asus_oled(C)
   bridge stp bnep l2cap btusb bluetooth sdhci_pci ricoh_mmc asus_laptop sdhci led_class cfg80211 snd nvidia(P) vga16fb vgastate soundcore snd_page_alloc psmouse serio_
  raw intel_agp lp parport usbhid hid dm_raid45 ohci1394 ieee1394 r8169 mii xor ahci
  Aug 15 08:57:51 talon kernel: [  148.180004] CPU 0:
  Aug 15 08:57:51 talon kernel: [  148.180004] Modules linked in: snd_usb_audio(+) snd_usbmidi_lib snd_hda_codec_nvhdmi snd_hda_codec_realtek arc4 rfcomm iwlagn sco iwl
  core mac80211 compat_firmware_class uvcvideo videodev v4l1_compat v4l2_compat_ioctl32 fbcon tileblit font bitblit softcursor joydev snd_hda_intel snd_hda_codec snd_hw
  dep snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_dummy snd_seq_oss snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq snd_timer snd_seq_device video output asus_oled(C)
   bridge stp bnep l2cap btusb bluetooth sdhci_pci ricoh_mmc asus_laptop sdhci led_class cfg80211 snd nvidia(P) vga16fb vgastate soundcore snd_page_alloc psmouse serio_
  raw intel_agp lp parport usbhid hid dm_raid45 ohci1394 ieee1394 r8169 mii xor ahci
  Aug 15 08:57:51 talon kernel: [  148.180004] Pid: 1705, comm: modprobe Tainted: P         C 2.6.32-24-generic #39-Ubuntu G50VT               
  Aug 15 08:57:51 talon kernel: [  148.180004] RIP: 0010:[<ffffffffa0bc3f5c>]  [<ffffffffa0bc3f5c>] find_audio_control_unit+0x2c/0x60 [snd_usb_audio]
  Aug 15 08:57:51 talon kernel: [  148.180004] RSP: 0018:ffff88010ebdd978  EFLAGS: 00000286
  Aug 15 08:57:51 talon kernel: [  148.180004] RAX: ffff880118029412 RBX: ffff88010ebdd988 RCX: 0000000000000024
  Aug 15 08:57:51 talon kernel: [  148.180004] RDX: 0000000000000000 RSI: ffff880118029487 RDI: ffff880118029412
  Aug 15 08:57:51 talon kernel: [  148.180004] RBP: ffffffff81013cae R08: ffff88011802941c R09: 0000000000000001
  Aug 15 08:57:51 talon kernel: [  148.180004] R10: 0000000000000009 R11: 0000000000000001 R12: ffff88010ebdd968
  Aug 15 08:57:51 talon kernel: [  148.180004] R13: ffffffff81013b0e R14: ffff880118029428 R15: ffff88011802942e
  Aug 15 08:57:51 talon kernel: [  148.180004] FS:  00007f62438fe700(0000) GS:ffff880028200000(0000) knlGS:0000000000000000
  Aug 15 08:57:51 talon kernel: [  148.180004] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
  Aug 15 08:57:51 talon kernel: [  148.180004] CR2: 00007fffb415c000 CR3: 0000000108144000 CR4: 00000000000006f0
  Aug 15 08:57:51 talon kernel: [  148.180004] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
  Aug 15 08:57:51 talon kernel: [  148.180004] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
  Aug 15 08:57:51 talon kernel: [  148.180004] Call Trace:
  Aug 15 08:57:51 talon kernel: [  148.180004]  [<ffffffffa0bc3f5c>] ? find_audio_control_unit+0x2c/0x60 [snd_usb_audio]
  Aug 15 08:57:51 talon kernel: [  148.180004]  [<ffffffffa0bc3fdb>] ? check_input_term+0x4b/0x2d0 [snd_usb_audio]
  Aug 15 08:57:51 talon kernel: [  148.180004]  [<ffffffffa0bc6248>] ? parse_audio_unit+0x6f8/0xef0 [snd_usb_audio]
  Aug 15 08:57:51 talon kernel: [  148.180004]  [<ffffffff812b4ab4>] ? idr_get_empty_slot+0xc4/0x180
  Aug 15 08:57:51 talon kernel: [  148.180004]  [<ffffffffa0bc5cbb>] ? parse_audio_unit+0x16b/0xef0 [snd_usb_audio]
  Aug 15 08:57:51 talon kernel: [  148.180004]  [<ffffffff8115ab90>] ? iput+0x30/0x70
  Aug 15 08:57:51 talon kernel: [  148.180004]  [<ffffffff811afe4e>] ? sysfs_addrm_finish+0x4e/0x150
  Aug 15 08:57:51 talon kernel: [  148.180004]  [<ffffffff811b031c>] ? sysfs_add_one+0x2c/0x130
  Aug 15 08:57:51 talon kernel: [  148.180004]  [<ffffffff81547136>] ? notifier_call_chain+0x56/0x80
  Aug 15 08:57:51 talon kernel: [  148.180004]  [<ffffffffa0bc6b47>] ? snd_usb_mixer_controls+0x107/0x190 [snd_usb_audio]
  Aug 15 08:57:51 talon kernel: [  148.180004]  [<ffffffffa0bc6c75>] ? snd_usb_create_mixer+0xa5/0x2a0 [snd_usb_audio]
  Aug 15 08:57:51 talon kernel: [  148.180004]  [<ffffffffa0bc6ca1>] ? snd_usb_create_mixer+0xd1/0x2a0 [snd_usb_audio]
  Aug 15 08:57:51 talon kernel: [  148.180004]  [<ffffffffa0bc33b1>] ? snd_usb_create_stream+0x141/0x1a0 [snd_usb_audio]
  Aug 15 08:57:51 talon kernel: [  148.180004]  [<ffffffffa0bc3693>] ? usb_audio_probe+0x283/0x8c0 [snd_usb_audio]
  Aug 15 08:57:51 talon kernel: [  148.180004]  [<ffffffff813dbf25>] ? usb_probe_interface+0xe5/0x1d0
  Aug 15 08:57:51 talon kernel: [  148.180004]  [<ffffffff8136b975>] ? really_probe+0x65/0x170
  Aug 15 08:57:51 talon kernel: [  148.180004]  [<ffffffff8136bac5>] ? driver_probe_device+0x45/0x70
  Aug 15 08:57:51 talon kernel: [  148.180004]  [<ffffffff8136bb8b>] ? __driver_attach+0x9b/0xa0
  Aug 15 08:57:51 talon kernel: [  148.180004]  [<ffffffff8136baf0>] ? __driver_attach+0x0/0xa0
  Aug 15 08:57:51 talon kernel: [  148.180004]  [<ffffffff8136add8>] ? bus_for_each_dev+0x68/0x90
  Aug 15 08:57:51 talon kernel: [  148.180004]  [<ffffffff8136b7ee>] ? driver_attach+0x1e/0x20
  Aug 15 08:57:51 talon kernel: [  148.180004]  [<ffffffff8136b0ae>] ? bus_add_driver+0xde/0x280
  Aug 15 08:57:51 talon kernel: [  148.180004]  [<ffffffff8136bec0>] ? driver_register+0x80/0x150
  Aug 15 08:57:51 talon kernel: [  148.180004]  [<ffffffff81547136>] ? notifier_call_chain+0x56/0x80
  Aug 15 08:57:51 talon kernel: [  148.180004]  [<ffffffff813dbc58>] ? usb_register_driver+0xb8/0x130
  Aug 15 08:57:51 talon kernel: [  148.180004]  [<ffffffffa0bde000>] ? snd_usb_audio_init+0x0/0x43 [snd_usb_audio]
  Aug 15 08:57:51 talon kernel: [  148.180004]  [<ffffffffa0bde041>] ? snd_usb_audio_init+0x41/0x43 [snd_usb_audio]
  Aug 15 08:57:51 talon kernel: [  148.180004]  [<ffffffff8100a04c>] ? do_one_initcall+0x3c/0x1a0
  Aug 15 08:57:51 talon kernel: [  148.180004]  [<ffffffff810a1a5f>] ? sys_init_module+0xdf/0x260
  Aug 15 08:57:51 talon kernel: [  148.180004]  [<ffffffff810131b2>] ? system_call_fastpath+0x16/0x1b

  If a use the previous kernel version 2.6.32-23-generic this problem
  does not occur.

  
  uname -a

   Linux talon 2.6.32-24-generic #39-Ubuntu SMP Wed Jul 28 05:14:15 UTC
  2010 x86_64 GNU/Linux

  /proc/version_signature

  Ubuntu 2.6.32-24.39-generic 2.6.32.15+drm33.5

  I have also installed the following packages for the 2.6.32-24 kernel.

  linux-backports-modules-alsa-2.6.32-24-generic
  linux-backports-modules-alsa-lucid-generic

  Please let me know if any further information is required.

  Regards

  Mark

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