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# Print Job Stalls Printing to NEC NPDL2

Article ID: 122961

Article Last Modified on 11/1/2006

APPLIES TO

- Microsoft Windows NT Workstation 3.5
- Microsoft Windows NT Server 3.5

This article was previously published under Q122961

## SYMPTOMS

When you connect a MIPS computer running Windows NT to a NEC PC-PR2000/4 or NEC PC-PR4000E/4, install the appropriate printer driver, and attempt to print TESTJ.TXT (from the floppy disk provided with the printer), the print job stalls.

## CAUSE

When a memory allocation request is issued (especially with CacheAligned option) at a particular range of memory block size for non-paged pool, overflow of an internal array occurs. As a result, a spin-lock of non- paged pool is not unlocked, and IRQL is left as 2 (unchanged).
This error occurs within ExAllocatePoolWithQuota which is called out from NtWriteFile, when a pool block for data copy is allocated.

## STATUS

Microsoft has confirmed this to be a problem in Windows NT Workstation and Windows NT Server version 3.5. This problem was corrected in the latest U.S. Service Pack for Windows NT version 3.5. 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
The third-party products discussed here are manufactured by vendors independent of Microsoft; we make no warranty, implied or otherwise, regarding these products' performance or reliability.

Additional query words: prodnt 3.50 npdl2 blue screen

Keywords: KB122961