Disk I/O Hangs in Scsiport.sys During Heavy Disk I/O Stress (274371)



The information in this article applies to:

  • Microsoft Windows 2000 Server SP1
  • Microsoft Windows 2000 Server SP2
  • Microsoft Windows 2000 Advanced Server SP1
  • Microsoft Windows 2000 Advanced Server SP2
  • Microsoft Windows 2000 Professional SP1
  • Microsoft Windows 2000 Professional SP2
  • Microsoft Windows NT Server 4.0
  • Microsoft Windows NT Server, Enterprise Edition 4.0
  • Microsoft Windows NT Workstation 4.0

This article was previously published under Q274371

SYMPTOMS

Disk input/output (I/O) may stop working (hang) during periods of heavy disk I/O stress when the SCSI_PASSTHROUGH command in Scsiport.sys is used.

RESOLUTION

Windows NT

A supported fix is now available from Microsoft, but it is only intended to correct the problem that is described in this article. Apply it only to computers that are experiencing this specific problem.

To resolve this problem, contact Microsoft Product Support Services to obtain the fix. For a complete list of Microsoft Product Support Services phone numbers and information about support costs, visit the following Microsoft Web site:NOTE: In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question.

The English version of this fix has the file attributes (or later) that are listed in the following table. The dates and times for these files are listed in coordinated universal time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time tool in Control Panel.
   Date         Time   Size    File name     Platform
   --------------------------------------------------
   20-Sep-2000  21:37  35,568  Scsiport.sys  x86
   20-Sep-2000  21:36  56,592  Scsiport.sys  Alpha
				

Windows 2000

To resolve this problem, obtain the latest service pack for Windows 2000. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

260910 How to Obtain the Latest Windows 2000 Service Pack

The English version of this fix has the file attributes (or later) that are listed in the following table. The dates and times for these files are listed in coordinated universal time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time tool in Control Panel.
   Date         Time   Version        Size    File name
   -------------------------------------------------------
   30-Nov-2000  20:04  5.0.2195.3042  72,688  Scsiport.sys
				

STATUS

Windows NT

Microsoft has confirmed that this is a problem in Windows NT 4.0.

Windows 2000

Microsoft has confirmed that this is a problem in Windows 2000. This problem was first corrected in Windows 2000 Service Pack 3.

Modification Type:MinorLast Reviewed:9/26/2005
Keywords:kbHotfixServer kbQFE kbbug kbfix kbQFE kbWin2000sp3fix kbWinNT400nospFix KB274371