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"Stop error code 0x00000010" occurs in Scsiport.sys in Windows 2000

During periods of substantial input/output (I/O) to the hard disks in a computer, you may receive a "Stop 0x00000010" error message on a blue screen.
When substantial I/O is occuring to the hard disks, the Scsiport driver's completion DPC routine releases the device extension spinlock, and then reacquires the lock if the current hard disk's Logical Unit Number (LUN) ReadyLogicalUnit field is not null. This behavior causes a "Stop 0x00000010" error message because the thread is unsynchronized. Another thread can update the ReadyLogicalUnit field after the owning thread tests the field but before the owning thread runs the next loop iteration. The loop test succeeds because the ReadyLogicalUnit field is not null and the GetNextLuRequest field is called while not holding the spinlock.

The Scsiport driver does not unconditionally reacquire the adapter spinlock at the bottom of the loop. The Scsiport driver reacquires the adapter spinlock conditionally and releases the spinlock when the loop is exited.

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 this specific problem.

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, submit a request to 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: 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.

File Information

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   ---------------------------------------------------   19-May-2003 18:40 5.0.2195.6745 74,192 Scsiport.sys 
Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article.
For additional information about how hotfix packages are named, click the following article number to view the article in the Microsoft Knowledge Base:
816915 New Naming Schema for Microsoft Windows Hotfix Packages

Article ID: 820841 - Last Review: 01/30/2012 20:10:00 - Revision: 4.0

  • Microsoft Windows 2000 Server
  • Microsoft Windows 2000 Professional Edition
  • Microsoft Windows 2000 Advanced Server
  • kbautohotfix kbHotfixServer kbqfe kbbug kbfix kbwin2000presp5fix KB820841