FIX: Unhandled exceptions may cause deadlocks in ASP.NET (840861)

SYMPTOMS

Unhandled exceptions in a Microsoft ASP.NET application may cause a deadlock and may cause the ASP.NET process to recycle.

ASP.NET has health monitoring, and this health monitoring may cause the Aspnet_wp.exe process to be recycled. An example of this behavior occurs when ASP.NET determines that a deadlock state exists. When a deadlock state exists, an event that is similar to the following is written to the application event log:

Event Type:     Error
	Event Source:   ASP.NET 1.1.4322.0
	Event Category: None
	Event ID:       1003
	Date:           7/24/2004
	Time:           6:18:23 PM
	User:           N/A
	Computer:       <ComputerName>
	Description:
	aspnet_wp.exe  (PID: <xxx>) was recycled because it was suspected to be in a
	deadlocked state. It did not send any responses for pending requests in the
	last 180 seconds.

RESOLUTION

Software update information

A supported hotfix is now available from Microsoft, but it is only intended to correct the problem that is described in this article. Only apply it to systems that are experiencing this specific problem. This hotfix may receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next Microsoft .NET Framework 1.1 service pack that contains this hotfix.

To resolve this problem immediately, 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 do not have to restart your computer after you apply this software update.

Software update replacement information

This software update does not replace any other software updates.

File information

The English version of this software update 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          Platform
   -------------------------------------------------------------------------
   21-Apr-2004  22:14  1.1.4322.1032     77,824  Corperfmonext.dll  x86
   21-Apr-2004  22:10  1.1.4322.1032    282,624  Fusion.dll         x86
   21-Apr-2004  22:10  1.1.4322.1032    311,296  Mscorjit.dll       x86
   21-Apr-2004  22:14  1.1.4322.1032    102,400  Mscorld.dll        x86
   21-Apr-2004  22:12  1.1.4322.1032  2,093,056  Mscorlib.dll       x86
   21-Apr-2004  22:12  1.1.4322.1032  2,502,656  Mscorsvr.dll       x86
   21-Apr-2004  22:12  1.1.4322.1032  2,490,368  Mscorwks.dll       x86