BUG: Windows 98: Shutdown Hangs With WDM Audio Driver Installed

ID: Q222946

The information in this article applies to:

Microsoft Windows 98 Driver Development Kit (DDK)

SYMPTOMS

If a WDM audio driver is installed on Windows 98 and the system is idle for at least 2 minutes then the system hangs on shutdown. Eventually, after approximately 2 or more minutes, shutdown completes.

CAUSE

This problem is due to a bug in Windows 98. After approximately 2 minutes of idle time, Kmixer.sys, the kernel audio mixer, unloads in order to optimize system memory usage. When USER tries to play the shutdown sound the Kmixer.sys file fails to reload on account of this bug. Finally, after approximately 2 or more minutes, Kmixer.sys is reloaded and the shutdown sequence concludes.

STATUS

This is a known problem with WDM audio drivers under Windows 98.

Additional query words:


Keywords          : kbmm kbDDK kbWinOS98bug 
Version           : Win98:
Platform          : Win98 
Issue type        : kbbug

Last Reviewed: April 21, 1999