Public bug reported:
The USB bus randomly crashes, especially when unplugging USB drive,
losing most devices (possibly all that are EHCI). Affects all ports.
Fixed only by reboot.
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: linux-image-3.2.0-29-generic 3.2.0-29.46
ProcVersionSignature: Ubuntu 3.2.0-29.46-generic 3.2.24
Uname: Linux 3.2.0-29-generic x86_64
NonfreeKernelModules: nvidia
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
ApportVersion: 2.0.1-0ubuntu12
Architecture: amd64
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: Intel [HDA Intel], device 0: VT1828S Analog [VT1828S Analog]
Subdevices: 2/2
Subdevice #0: subdevice #0
Subdevice #1: subdevice #1
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC2: tronic 5472 F.... pulseaudio
/dev/snd/controlC0: tronic 5472 F.... pulseaudio
CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211 not
found.
Card0.Amixer.info:
Card hw:0 'Intel'/'HDA Intel at 0xf3ff8000 irq 44'
Mixer name : 'VIA VT1828S'
Components : 'HDA:11064441,104383d0,00100100'
Controls : 50
Simple ctrls : 25
Card2.Amixer.info:
Card hw:2 'NVidia'/'HDA NVidia at 0xf7bfc000 irq 17'
Mixer name : 'Nvidia GPU 16 HDMI/DP'
Components : 'HDA:10de0016,10de0101,00100100'
Controls : 24
Simple ctrls : 4
Date: Thu Aug 23 07:08:53 2012
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110426)
Lsusb:
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 003: ID 045e:0748 Microsoft Corp.
Bus 001 Device 004: ID 045e:0750 Microsoft Corp. Wired Keyboard 600
MachineType: System manufacturer System Product Name
ProcEnviron:
LANGUAGE=fi:en
TERM=xterm
PATH=(custom, no user)
LANG=fi_FI.UTF-8
SHELL=/bin/bash
ProcFB:
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.2.0-29-generic
root=/dev/mapper/root_crypt ro
RelatedPackageVersions:
linux-restricted-modules-3.2.0-29-generic N/A
linux-backports-modules-3.2.0-29-generic N/A
linux-firmware 1.79
RfKill:
SourcePackage: linux
UpgradeStatus: Upgraded to precise on 2012-04-25 (119 days ago)
dmi.bios.date: 12/14/2010
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 2003
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: P7P55D
dmi.board.vendor: ASUSTeK Computer INC.
dmi.board.version: Rev 1.xx
dmi.chassis.asset.tag: Asset-1234567890
dmi.chassis.type: 3
dmi.chassis.vendor: Chassis Manufacture
dmi.chassis.version: Chassis Version
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr2003:bd12/14/2010:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnP7P55D:rvrRev1.xx:cvnChassisManufacture:ct3:cvrChassisVersion:
dmi.product.name: System Product Name
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug precise running-unity third-party-packages
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https://bugs.launchpad.net/bugs/1040403
Title:
ehci_hcd hc died
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