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[Launchpad Bug Tracker <714708@xxxxxxxxxxxxxxxxxx>]

[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/714708

Title:
  logs flood with usb_set_interface failed and ERROR no ro om on ep ring

Status in “linux” package in Ubuntu:
  Expired

Bug description:
  I see both of these messages somewhat regularly, but occassionally the
  kernel will get into some crazy loop where they repeat, eating up CPU
  and log disk space:

  
  Feb  7 07:39:11 taplop kernel: [13394.421661] 4:1:1: usb_set_interface failed
  Feb  7 07:39:11 taplop kernel: [13394.422350] xhci_hcd 0000:02:00.0: ERROR no ro
  om on ep ring
  Feb  7 07:39:11 taplop kernel: [13394.423663] 4:1:1: usb_set_interface failed
  Feb  7 07:39:11 taplop kernel: [13394.424626] xhci_hcd 0000:02:00.0: ERROR no ro
  om on ep ring
  Feb  7 07:39:11 taplop kernel: [13394.425621] 4:1:1: usb_set_interface failed
  Feb  7 07:39:11 taplop kernel: [13394.426767] xhci_hcd 0000:02:00.0: ERROR no ro
  om on ep ring
  Feb  7 07:39:11 taplop kernel: [13394.427697] 4:1:1: usb_set_interface failed
  Feb  7 07:39:11 taplop kernel: [13394.428754] xhci_hcd 0000:02:00.0: ERROR no ro
  om on ep ring

  ProblemType: Bug
  DistroRelease: Ubuntu 10.10
  Package: linux-image-2.6.35-26-generic 2.6.35-26.46
  Regression: No
  Reproducible: No
  ProcVersionSignature: Ubuntu 2.6.38-2.29-generic 2.6.38-rc3
  Uname: Linux 2.6.38-2-generic x86_64
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23.
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  jbarnett   2098 F.... pulseaudio
  CRDA: Error: [Errno 2] No such file or directory
  Card0.Amixer.info:
   Card hw:0 'Intel'/'HDA Intel at 0xd4200000 irq 54'
     Mixer name	: 'IDT 92HD75B2X5'
     Components	: 'HDA:111d7608,103c1522,00100202'
     Controls      : 14
     Simple ctrls  : 9
  Card1.Amixer.info:
   Card hw:1 'Generic'/'HD-Audio Generic at 0xd4120000 irq 56'
     Mixer name	: 'ATI R6xx HDMI'
     Components	: 'HDA:1002aa01,00aa0100,00100200'
     Controls      : 4
     Simple ctrls  : 1
  Card1.Amixer.values:
   Simple mixer control 'IEC958',0
     Capabilities: pswitch pswitch-joined penum
     Playback channels: Mono
     Mono: Playback [on]
  Card2.Amixer.info:
   Error: command ['amixer', '-c', '2', 'info'] failed with exit code 1: amixer: Mixer load hw:2 error: Invalid argument
   Card hw:2 'Device'/'C-Media Electronics Inc. USB Multimedia Audio Device at usb-0000:02:00.0-4.2, f'
     Mixer name	: 'USB Mixer'
     Components	: 'USB0d8c:0105'
     Controls      : 9
  Card2.Amixer.values: Error: command ['amixer', '-c', '2'] failed with exit code 1: amixer: Mixer hw:2 load error: Invalid argument
  Date: Mon Feb  7 08:59:29 2011
  Frequency: Once every few days.
  HibernationDevice: RESUME=UUID=6a792c43-ea80-4425-961e-ccde894552ed
  InstallationMedia: Ubuntu 10.04 "Lucid Lynx" - Release Candidate amd64 (20100419.1)
  MachineType: Hewlett-Packard HP ENVY 15 Notebook PC
  ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.38-2-generic root=UUID=639dc488-e095-42a4-8c1f-ffb1a9299e1c ro crashkernel=384M-2G:64M,2G-:128M quiet splash
  ProcEnviron:
   PATH=(custom, user)
   LANG=en_US.utf8
   SHELL=/bin/bash
  RelatedPackageVersions: linux-firmware 1.38.3
  SourcePackage: linux
  dmi.bios.date: 04/23/2010
  dmi.bios.vendor: Hewlett-Packard
  dmi.bios.version: F.26
  dmi.board.asset.tag: Base Board Asset Tag
  dmi.board.name: 1522
  dmi.board.vendor: Hewlett-Packard
  dmi.board.version: 36.34
  dmi.chassis.type: 10
  dmi.chassis.vendor: Hewlett-Packard
  dmi.chassis.version: N/A
  dmi.modalias: dmi:bvnHewlett-Packard:bvrF.26:bd04/23/2010:svnHewlett-Packard:pnHPENVY15NotebookPC:pvr048F110000241920001530000:rvnHewlett-Packard:rn1522:rvr36.34:cvnHewlett-Packard:ct10:cvrN/A:
  dmi.product.name: HP ENVY 15 Notebook PC
  dmi.product.version: 048F110000241920001530000
  dmi.sys.vendor: Hewlett-Packard

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