Knowledge Base

Power PC (PPC) Only: OldIrql Is Stored Before Spinlock

Article ID: 154944

Article Last Modified on 11/1/2006

Microsoft Windows NT Workstation 3.5
Microsoft Windows NT Workstation 3.51
Microsoft Windows NT Server 3.5
Microsoft Windows NT Server 3.51

This article was previously published under Q154944

SYMPTOMS

When you run Windows NT Server or Workstation on a Power PC computer, a STOP error message (0xA) may occur.

CAUSE

The OldIrql is stored before the spinlock is acquired.

RESOLUTION

Apply the fix mentioned below. The spinlock is now acquired before OldIrql is stored.

STATUS

Microsoft has confirmed this to be a problem in Windows NT version 3.51. This problem was corrected in the latest Windows NT 3.51 U.S. Service Pack. For information on obtaining the Service Pack, query on the following word in the Microsoft Knowledge Base (without the spaces):

S E R V P A C K

MORE INFORMATION

The Power PC is manufactured by IBM, a vendor independent of Microsoft; we make no warranty, implied or otherwise, regarding this product's performance or reliability.

Additional query words: prodnt 3.50 3.51

Keywords: KB154944