Microsoft KB Archive/832191

= FIX: An access violation occurs and the POSIX subsystem (Psxss.exe) stops responding when your program or script tries to read from a TTY device in Windows Services for UNIX 3.0 =

Article ID: 832191

Article Last Modified on 10/25/2005

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APPLIES TO


 * Microsoft Windows Services for UNIX 3.0 Standard Edition

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SYMPTOMS
In Microsoft Windows Services for UNIX 3.0, when you write a program or a script that tries to read from a teletype (TTY) device, an access violation occurs and the POSIX subsystem (Psxss.exe) stops responding (hangs).

Note This problem may occur more frequently on a multiprocessor computer.



CAUSE
This problem occurs because of heap corruption in the POSIX subsystem (Psxss.exe).



Hotfix information
A supported hotfix is now available from Microsoft, but it is only intended to correct the problem that this article describes. Apply it only to systems that are experiencing this specific problem.

To resolve this problem, contact Microsoft Product Support Services to obtain the hotfix. For a complete list of Microsoft Product Support Services telephone numbers and information about support costs, visit the following Microsoft Web site:

http://support.microsoft.com/contactus/?ws=support

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.

Prerequisites
No prerequisites are required.

Restart requirement
You must restart your computer after you apply this hotfix.

Hotfix replacement information
This hotfix does not replace any other hotfixes.

File information
The English version of this hotfix has the file attributes (or later file attributes) 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 ---  17-Nov-2003  11:23  7.0.1701.25  647,168  Psxss.exe



STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the &quot;Applies to&quot; section.



MORE INFORMATION
For additional information about the standard terminology that is used to describe Microsoft software updates, 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 query words: SFU

Keywords: kbbug kbfix kbqfe kbhotfixserver KB832191

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