There is high CPU usage when using a USB audio device connected to a USB 2.0 EHCI host controller

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Article ID: 981214 - View products that this article applies to.
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SYMPTOMS

Consider the following scenario:
  • You have a computer that is running Windows Vista, Windows Server 2008, Windows Server 2008 R2 or Windows 7.
  • You connect a full-speed USB audio device to a high-speed hub, and then connect this hub to the root hub of a USB 2.0 EHCI host controller on the computer, OR you connect a high speed USB 2.0 audio device directly to the root hub of a USB 2.0 EHCI host controller on the computer.
  • You start an audio playback or recording program, such as Sound Recorder. This program opens the USB audio device.
In this scenario, you notice that there is high CPU usage approximately every 15 seconds on the computer. Additionally, you may experience skipping in audio playback from the audio device when overall CPU usage reaches 100%.

CAUSE

This problem occurs because of an issue in the usbport.sys driver.

RESOLUTION

Hotfix information

A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing the problem described in this article. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.

If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, contact Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft Web site:
http://support.microsoft.com/contactus/?ws=support
Note The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.

Prerequisites

To apply this hotfix, you must be running one of the following operating systems on the computer:
  • Windows Vista Service Pack 1 (SP1)
  • Windows Vista Service Pack 2 (SP2)
  • Windows Server 2008
  • Windows Server 2008 Service Pack 2 (SP2)
  • Windows 7
  • Windows Server 2008 R2
For more information about how to obtain a Windows Vista service pack, click the following article number to view the article in the Microsoft Knowledge Base:
935791 How to obtain the latest Windows Vista service pack
For more information about how to obtain a Windows Server 2008 service pack, click the following article number to view the article in the Microsoft Knowledge Base:
968849 How to obtain the latest service pack for Windows Server 2008

Restart requirement

You may have to restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace a previously released hotfix.

File information

The global version of this hotfix installs files that have the attributes that are listed in the following tables. The dates and the times for these files are listed in Coordinated Universal Time (UTC). The dates and the times for these files on your local computer are displayed in your local time together with your current daylight saving time (DST) bias. Additionally, the dates and the times may change when you perform certain operations on the files.
Windows Vista and Windows Server 2008 file information notes
Important Windows Vista hotfixes and Windows Server 2008 hotfixes are included in the same packages. However, only "Windows Vista" is listed on the Hotfix Request page. To request the hotfix package that applies to one or both operating systems, select the hotfix that is listed under "Windows Vista" on the page. Always refer to the "Applies To" section in articles to determine the actual operating system that each hotfix applies to.
  • The files that apply to a specific product, SR_Level (RTM, SPn), and service branch (LDR, GDR) can be identified by examining the file version numbers as shown in the following table.
    Collapse this tableExpand this table
    VersionProductSR_LevelService branch
    6.0.600 1 . 22xxxWindows Vista and Windows Server 2008SP1LDR
    6.0.600 2 . 22xxxWindows Vista and Windows Server 2008SP2LDR
  • Service Pack 1 is integrated into the release version of Windows Server 2008. Therefore, RTM milestone files apply only to Windows Vista. RTM milestone files have a 6.0.0000.xxxxx version number.
  • The MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment are listed separately in the "Additional file information for Windows Server 2008 and for Windows Vista" section. MUM files and MANIFEST files, and the associated security catalog (.cat) files, are extremely important to maintain the state of the updated components. The security catalog files, for which the attributes are not listed, are signed with a Microsoft digital signature.
For all supported x86-based versions of Windows Server 2008 and of Windows Vista
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Usbccgp.sys6.0.6001.2266373,21631-Mar-201015:27x86
Usbhub.sys6.0.6001.22663197,63231-Mar-201015:27x86
Usbccgp.sys6.0.6002.2237573,21631-Mar-201015:54x86
Usbhub.sys6.0.6002.22375197,63231-Mar-201015:54x86
Hccoin.dll6.0.6001.226638,70431-Mar-201017:03x86
Hcrstco.dll6.0.6001.2266315,87231-Mar-201017:03x86
Usbd.sys6.0.6001.226635,88831-Mar-201015:27Not applicable
Usbehci.sys6.0.6001.2266339,93631-Mar-201015:27x86
Usbhub.sys6.0.6001.22663197,63231-Mar-201015:27x86
Usbohci.sys6.0.6001.2266319,96831-Mar-201015:27x86
Usbport.sys6.0.6001.22663228,35231-Mar-201015:27x86
Usbuhci.sys6.0.6001.2266323,55231-Mar-201015:27x86
Hccoin.dll6.0.6002.223758,70431-Mar-201017:56x86
Hcrstco.dll6.0.6002.2237515,87231-Mar-201017:56x86
Usbd.sys6.0.6002.223755,88831-Mar-201015:54Not applicable
Usbehci.sys6.0.6002.2237539,93631-Mar-201015:54x86
Usbhub.sys6.0.6002.22375197,63231-Mar-201015:54x86
Usbohci.sys6.0.6002.2237519,96831-Mar-201015:54x86
Usbport.sys6.0.6002.22375228,35231-Mar-201015:54x86
Usbuhci.sys6.0.6002.2237523,55231-Mar-201015:54x86
For all supported x64-based versions of Windows Server 2008 and of Windows Vista
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Usbccgp.sys6.0.6001.2266395,74431-Mar-201015:50x64
Usbhub.sys6.0.6001.22663274,94431-Mar-201015:51x64
Usbccgp.sys6.0.6002.2237595,74431-Mar-201016:11x64
Usbhub.sys6.0.6002.22375275,45631-Mar-201016:11x64
Hccoin.dll6.0.6001.2266310,75231-Mar-201017:35x64
Hcrstco.dll6.0.6001.2266317,92031-Mar-201017:35x64
Usbd.sys6.0.6001.226637,68031-Mar-201015:50x64
Usbehci.sys6.0.6001.2266349,66431-Mar-201015:50x64
Usbhub.sys6.0.6001.22663274,94431-Mar-201015:51x64
Usbohci.sys6.0.6001.2266324,57631-Mar-201015:50x64
Usbport.sys6.0.6001.22663262,14431-Mar-201015:50x64
Usbuhci.sys6.0.6001.2266329,18431-Mar-201015:50x64
Hccoin.dll6.0.6002.2237510,75231-Mar-201017:57x64
Hcrstco.dll6.0.6002.2237517,92031-Mar-201017:57x64
Usbd.sys6.0.6002.223757,68031-Mar-201016:11x64
Usbehci.sys6.0.6002.2237549,66431-Mar-201016:11x64
Usbhub.sys6.0.6002.22375275,45631-Mar-201016:11x64
Usbohci.sys6.0.6002.2237524,57631-Mar-201016:11x64
Usbport.sys6.0.6002.22375262,14431-Mar-201016:11x64
Usbuhci.sys6.0.6002.2237529,18431-Mar-201016:11x64
For all supported IA-64-based versions of Windows Server 2008
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Usbccgp.sys6.0.6001.22663208,38431-Mar-201015:37IA-64
Usbhub.sys6.0.6001.22663866,81631-Mar-201015:38IA-64
Usbccgp.sys6.0.6002.22375208,38431-Mar-201016:05IA-64
Usbhub.sys6.0.6002.22375866,81631-Mar-201016:06IA-64
Hccoin.dll6.0.6001.2266322,52831-Mar-201016:54IA-64
Hcrstco.dll6.0.6001.2266324,57631-Mar-201016:54IA-64
Usbd.sys6.0.6001.2266311,64831-Mar-201015:37Not applicable
Usbehci.sys6.0.6001.22663123,39231-Mar-201015:37IA-64
Usbhub.sys6.0.6001.22663866,81631-Mar-201015:38IA-64
Usbohci.sys6.0.6001.2266359,90431-Mar-201015:37IA-64
Usbport.sys6.0.6001.22663652,80031-Mar-201015:37IA-64
Usbuhci.sys6.0.6001.2266380,89631-Mar-201015:37IA-64
Hccoin.dll6.0.6002.2237522,52831-Mar-201017:48IA-64
Hcrstco.dll6.0.6002.2237524,57631-Mar-201017:48IA-64
Usbd.sys6.0.6002.2237511,64831-Mar-201016:05Not applicable
Usbehci.sys6.0.6002.22375123,39231-Mar-201016:05IA-64
Usbhub.sys6.0.6002.22375866,81631-Mar-201016:06IA-64
Usbohci.sys6.0.6002.2237559,90431-Mar-201016:05IA-64
Usbport.sys6.0.6002.22375653,31231-Mar-201016:05IA-64
Usbuhci.sys6.0.6002.2237580,89631-Mar-201016:05IA-64
Windows 7 and Windows Server 2008 R2 file information notes
Important Windows 7 hotfixes and Windows Server 2008 R2 hotfixes are included in the same packages. However, hotfixes on the Hotfix Request page are listed under both operating systems. To request the hotfix package that applies to one or both operating systems, select the hotfix that is listed under "Windows 7/Windows Server 2008 R2" on the page. Always refer to the "Applies To" section in articles to determine the actual operating system that each hotfix applies to.
  • The files that apply to a specific product, milestone (RTM, SPn), and service branch (LDR, GDR) can be identified by examining the file version numbers as shown in the following table:
    Collapse this tableExpand this table
    VersionProductMilestoneService branch
    6.1.760 0.16xxxWindows 7 and Windows Server 2008 R2RTMGDR
    6.1.760 0.20xxxWindows 7 and Windows Server 2008 R2RTMLDR
  • GDR service branches contain only those fixes that are widely released to address widespread, extremely important issues. LDR service branches contain hotfixes in addition to widely released fixes.
  • The MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment are listed separately in the "Additional file information for Windows Server 2008 R2 and for Windows 7" section. MUM and MANIFEST files, and the associated security catalog (.cat) files, are extremely important to maintain the state of the updated components. The security catalog files, for which the attributes are not listed, are signed with a Microsoft digital signature.
For all supported x86-based versions of Windows 7
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Usbehci.sys6.1.7600.1644541,98424-Oct-200903:58x86
Usbhub.sys6.1.7600.16545258,56006-Mar-201005:37x86
Usbport.sys6.1.7600.16545284,16006-Mar-201005:36x86
Usbehci.sys6.1.7600.2066141,98406-Mar-201005:40x86
Usbhub.sys6.1.7600.20661258,56006-Mar-201005:41x86
Usbport.sys6.1.7600.20661284,16006-Mar-201005:40x86
For all supported x64-based versions of Windows 7 and of Windows Server 2008 R2
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Usbehci.sys6.1.7600.1644551,71224-Oct-200904:27x64
Usbhub.sys6.1.7600.16545343,04006-Mar-201006:03x64
Usbport.sys6.1.7600.16545324,60806-Mar-201006:02x64
Usbehci.sys6.1.7600.2066151,71206-Mar-201006:06x64
Usbhub.sys6.1.7600.20661343,04006-Mar-201006:07x64
Usbport.sys6.1.7600.20661324,60806-Mar-201006:06x64

STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

MORE INFORMATION

For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:
824684 Description of the standard terminology that is used to describe Microsoft software updates

Additional file information

Additional file information for Windows Vista and for Windows Server 2008

Additional files for all supported x86-based versions of Windows Vista and of Windows Server 2008
Collapse this tableExpand this table
File namePackage_1_for_kb981214~31bf3856ad364e35~x86~~6.0.1.0.mum
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Date (UTC)01-Apr-2010
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File namePackage_for_kb981214_server_1~31bf3856ad364e35~x86~~6.0.1.0.mum
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File namePackage_for_kb981214_server~31bf3856ad364e35~x86~~6.0.1.0.mum
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File size1,713
Date (UTC)01-Apr-2010
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File namePackage_for_kb981214_winpesrv~31bf3856ad364e35~x86~~6.0.1.0.mum
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File versionNot applicable
File size2,644
Date (UTC)01-Apr-2010
Time (UTC)04:15
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Date (UTC)01-Apr-2010
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File versionNot applicable
File size6,734
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Additional files for all supported x64-based versions of Windows Vista and of Windows Server 2008
Collapse this tableExpand this table
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File versionNot applicable
File size2,646
Date (UTC)01-Apr-2010
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File size6,736
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File namePackage_for_kb981214_winpesrv~31bf3856ad364e35~amd64~~6.0.1.0.mum
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Additional files for all supported IA-64-based versions of Windows Server 2008
Collapse this tableExpand this table
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File versionNot applicable
File size2,645
Date (UTC)01-Apr-2010
Time (UTC)04:15
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Date (UTC)01-Apr-2010
Time (UTC)04:15
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File nameIa64_usbport.inf_31bf3856ad364e35_6.0.6001.22663_none_be0fcb081cd72f8a.manifest
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Date (UTC)01-Apr-2010
Time (UTC)04:15
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File versionNot applicable
File size2,841
Date (UTC)01-Apr-2010
Time (UTC)04:15
PlatformNot applicable
File namePackage_for_kb981214_sc_0~31bf3856ad364e35~ia64~~6.0.1.0.mum
File versionNot applicable
File size1,425
Date (UTC)01-Apr-2010
Time (UTC)04:15
PlatformNot applicable
File namePackage_for_kb981214_sc_1~31bf3856ad364e35~ia64~~6.0.1.0.mum
File versionNot applicable
File size1,530
Date (UTC)01-Apr-2010
Time (UTC)04:15
PlatformNot applicable
File namePackage_for_kb981214_sc~31bf3856ad364e35~ia64~~6.0.1.0.mum
File versionNot applicable
File size1,706
Date (UTC)01-Apr-2010
Time (UTC)04:15
PlatformNot applicable
File namePackage_for_kb981214_server_0~31bf3856ad364e35~ia64~~6.0.1.0.mum
File versionNot applicable
File size1,429
Date (UTC)01-Apr-2010
Time (UTC)04:15
PlatformNot applicable
File namePackage_for_kb981214_server_1~31bf3856ad364e35~ia64~~6.0.1.0.mum
File versionNot applicable
File size1,533
Date (UTC)01-Apr-2010
Time (UTC)04:15
PlatformNot applicable
File namePackage_for_kb981214_server~31bf3856ad364e35~ia64~~6.0.1.0.mum
File versionNot applicable
File size1,718
Date (UTC)01-Apr-2010
Time (UTC)04:15
PlatformNot applicable
File namePackage_for_kb981214_winpesrv_0~31bf3856ad364e35~ia64~~6.0.1.0.mum
File versionNot applicable
File size1,426
Date (UTC)01-Apr-2010
Time (UTC)04:15
PlatformNot applicable
File namePackage_for_kb981214_winpesrv~31bf3856ad364e35~ia64~~6.0.1.0.mum
File versionNot applicable
File size1,434
Date (UTC)01-Apr-2010
Time (UTC)04:15
PlatformNot applicable

Additional file information for Windows 7 and for Windows Server 2008 R2

Additional files for all supported x86-based versions of Windows 7
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Package_for_kb981214_rtm_bf~31bf3856ad364e35~x86~~6.1.1.0.mumNot applicable1,68308-Mar-201023:15Not applicable
Package_for_kb981214_rtm~31bf3856ad364e35~x86~~6.1.1.0.mumNot applicable1,71408-Mar-201023:15Not applicable
Update-bf.mumNot applicable1,41908-Mar-201023:15Not applicable
X86_usbport.inf_31bf3856ad364e35_6.1.7600.16545_none_bdc3f91264c0c151.manifestNot applicable5,54008-Mar-201023:19Not applicable
X86_usbport.inf_31bf3856ad364e35_6.1.7600.20661_none_be33f4dd7df233a1.manifestNot applicable5,54008-Mar-201023:19Not applicable
Additional files for all supported x64-based versions of Windows 7 and of Windows Server 2008 R2
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Amd64_usbport.inf_31bf3856ad364e35_6.1.7600.16545_none_19e294961d1e3287.manifestNot applicable5,54408-Mar-201023:25Not applicable
Amd64_usbport.inf_31bf3856ad364e35_6.1.7600.20661_none_1a529061364fa4d7.manifestNot applicable5,54408-Mar-201023:25Not applicable
Package_for_kb981214_rtm_bf~31bf3856ad364e35~amd64~~6.1.1.0.mumNot applicable1,69308-Mar-201023:15Not applicable
Package_for_kb981214_rtm~31bf3856ad364e35~amd64~~6.1.1.0.mumNot applicable1,72408-Mar-201023:15Not applicable
Update-bf.mumNot applicable1,42708-Mar-201023:15Not applicable

Properties

Article ID: 981214 - Last Review: October 10, 2011 - Revision: 5.0
APPLIES TO
  • Windows 7 Enterprise
  • Windows 7 Home Basic
  • Windows 7 Home Premium
  • Windows 7 Professional
  • Windows 7 Starter
  • Windows 7 Ultimate
  • Windows HPC Server 2008 R2
  • Windows Server 2008 R2 Datacenter
  • Windows Server 2008 R2 Enterprise
  • Windows Server 2008 R2 Standard
  • Windows Web Server 2008 R2
  • Windows Server 2008 Standard
  • Windows Server 2008 Enterprise
  • Windows Server 2008 Datacenter
  • Windows Server 2008 Standard without Hyper-V
  • Windows Server 2008 for Itanium-Based Systems
  • Windows Server 2008 Enterprise without Hyper-V
  • Windows Server 2008 Datacenter without Hyper-V
  • Windows Vista Enterprise 64-bit Edition
  • Windows Vista Home Basic 64-bit Edition
  • Windows Vista Home Premium 64-bit Edition
  • Windows Vista Ultimate 64-bit Edition
  • Windows Vista Business
  • Windows Vista Business 64-bit Edition
  • Windows Vista Enterprise
  • Windows Vista Home Basic
  • Windows Vista Home Premium
  • Windows Vista Ultimate
Keywords: 
kbexpertisebeginner kbqfe kbhotfixserver kbsurveynew kbautohotfix kbexpertiseinter kbbug kbfix KB981214

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