Microsoft KB Archive/162466

= NTFS and DISK Synchronous Request Never Completes =

Article ID: 162466

Article Last Modified on 11/1/2006

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APPLIES TO


 * Microsoft Windows NT Workstation 4.0 Developer Edition
 * Microsoft Windows NT Server 4.0 Standard Edition

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This article was previously published under Q162466



SYMPTOMS
When NTFS and DISK use a synchronous request to perform an I/O control within a page fault, it never completes.



CAUSE
This problem occurs as a result of the NTFS dismount code. NTFS is doing a IOCTL_DISK_IS_WRITABLE I/O control within a page fault. Both NTFS and DISK are doing this, using a synchronous request which never completes because APC are disabled to do the page fault. This problem may affect removable media dismounts.



RESOLUTION
To resolve this problem, obtain the latest service pack for Windows NT 4.0. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

152734 How to Obtain the Latest Windows NT 4.0 Service Pack



STATUS
Microsoft has confirmed that this is a problem in Windows NT 4.0. This problem was first corrected in Windows NT 4.0 Service Pack 2.

Additional query words: file system 4.00

Keywords: kbhotfixserver kbqfe kbbug kbfix kbqfe KB162466

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