Public bug reported:
This is in the dmesg/kern.log right after they all disappear:
May 21 13:45:23 booth01 kernel: [157901.125687] ehci_hcd 0000:00:1d.0: fatal
error
May 21 13:45:23 booth01 kernel: [157901.129569] ehci_hcd 0000:00:1d.0: HC died;
cleaning up
May 21 13:45:23 booth01 kernel: [157901.132414] ehci_hcd 0000:00:1d.0: force
halt; handshake ffffc9000064a024 00004000 00004000 -> -110
May 21 13:45:23 booth01 kernel: [157901.132417] ehci_hcd 0000:00:1d.0: HC died;
cleaning up
May 21 13:45:23 booth01 kernel: [157901.132429] hub 2-1:1.0: hub_port_status
failed (err = -108)
May 21 13:45:23 booth01 kernel: [157901.132437] usb 2-1: USB disconnect, device
number 2
May 21 13:45:23 booth01 kernel: [157901.132440] usb 2-1.3: USB disconnect,
device number 3
May 21 13:45:23 booth01 kernel: [157901.238681] usb 2-1.4: USB disconnect,
device number 4
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: linux-image-3.2.0-24-generic 3.2.0-24.38
ProcVersionSignature: Ubuntu 3.2.0-24.38-generic 3.2.16
Uname: Linux 3.2.0-24-generic x86_64
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
AplayDevices:
**** List of PLAYBACK Hardware Devices ****
card 2: PCH [HDA Intel PCH], device 0: ALC272 Analog [ALC272 Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
ApportVersion: 2.0.1-0ubuntu7
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC2: sontek 1979 F.... pulseaudio
/dev/snd/controlC0: sontek 1979 F.... pulseaudio
/dev/snd/controlC1: sontek 1979 F.... pulseaudio
Card0.Amixer.info:
Card hw:0 'U0x46d0x821'/'USB Device 0x46d:0x821 at usb-0000:00:1d.0-1.6, high
speed'
Mixer name : 'USB Mixer'
Components : 'USB046d:0821'
Controls : 2
Simple ctrls : 1
Card0.Amixer.values:
Simple mixer control 'Mic',0
Capabilities: cvolume cvolume-joined cswitch cswitch-joined penum
Capture channels: Mono
Limits: Capture 0 - 52
Mono: Capture 40 [77%] [-31.00dB] [on]
Card1.Amixer.info:
Card hw:1 'Camera'/'Vimicro Co.,ltd Lenovo USB2.0 UVC Camera at
usb-0000:00:1a.0-1.4, high speed'
Mixer name : 'USB Mixer'
Components : 'USB0ac8:c412'
Controls : 3
Simple ctrls : 2
Card2.Amixer.info:
Card hw:2 'PCH'/'HDA Intel PCH at 0xfe620000 irq 44'
Mixer name : 'Realtek ALC272'
Components : 'HDA:10ec0272,17aa3623,00100001'
Controls : 17
Simple ctrls : 9
Date: Tue May 22 13:08:13 2012
HibernationDevice: RESUME=UUID=e796afc5-f6e6-487c-8216-8b600cecbce2
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
MachineType: LENOVO IdeaCentre B320
ProcEnviron:
TERM=xterm-256color
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=8b7d5bc6-1983-420e-ad59-79633c14e7e8 ro quiet splash vt.handoff=7
PulseList:
Error: command ['pacmd', 'list'] failed with exit code 1: Home directory
/home/sontek not ours.
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:
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
SourcePackage: linux
StagingDrivers: rts_pstor mei
UpgradeStatus: Upgraded to precise on 2012-04-28 (23 days ago)
dmi.bios.date: 06/08/2011
dmi.bios.vendor: LENOVO
dmi.bios.version: DXKT22AUS
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: To be filled by O.E.M.
dmi.board.vendor: LENOVO
dmi.board.version: 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:bvnLENOVO:bvrDXKT22AUS:bd06/08/2011:svnLENOVO:pnIdeaCentreB320:pvrLenovo:rvnLENOVO:rnTobefilledbyO.E.M.:rvrTobefilledbyO.E.M.:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
dmi.product.name: IdeaCentre B320
dmi.product.version: Lenovo
dmi.sys.vendor: LENOVO
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug precise staging
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https://bugs.launchpad.net/bugs/1003046
Title:
All my USB devices randomly stop responding
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