Computer Stops Responding or Stop Error Occurs When Scsiport.sys Requests Memory Allocation

View products that this article applies to.

This article was previously published under Q308214

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SYMPTOMS

When the SCSI port driver (the Scsiport.sys file) makes a memory allocation request, your computer may stop responding (hang) or the Memory Manager may quit, and you receive the following error on a blue screen:

Stop 0x000000D8 DRIVER_USED_EXCESSIVE_PTES

This behavior may occur if the Scsiport.sys file is used in conjunction with the Compaq array miniport driver for SCSI devices.

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CAUSE

This behavior can occur if the Compaq miniport driver allocates and frees the memory descriptor lists many times, resulting in fragmentation of the page table entries (PTEs). When a driver requests memory allocation, the Memory Manager cannot allocate a contiguous block of memory. If the driver (the Scsiport.sys file) cannot recover or cannot handle a limited resource condition, the Memory Manager quits and an error occurs.

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RESOLUTION

To resolve this problem, obtain the latest service pack for Windows 2000. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

260910 (http://support.microsoft.com/kb/260910/EN-US/ ) How to Obtain the Latest Windows 2000 Service Pack

The English version of this fix should have the following file attributes or later:

   Date         Time   Version        Size    File name
   -------------------------------------------------------
   25-Sep-2001  04:28  5.0.2195.4404  73,232  Scsiport.sys

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STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article. This problem was first corrected in Windows 2000 Service Pack 3.

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MORE INFORMATION

For additional information about how to obtain a hotfix for Windows 2000 Datacenter Server, click the article number below to view the article in the Microsoft Knowledge Base:

265173 (http://support.microsoft.com/kb/265173/EN-US/ ) The Datacenter Program and Windows 2000 Datacenter Server Product

For additional information about how to install multiple hotfixes with only one reboot, click the article number below to view the article in the Microsoft Knowledge Base:

296861 (http://support.microsoft.com/kb/296861/EN-US/ ) Use QChain.exe to Install Multiple Hotfixes with One Reboot

For additional information about how to install Windows 2000 and Windows 2000 hotfixes at the same time, click the article number below to view the article in the Microsoft Knowledge Base:

249149 (http://support.microsoft.com/kb/249149/EN-US/ ) Installing Microsoft Windows 2000 and Windows 2000 Hotfixes

The third-party products that are discussed in this article are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, regarding the performance or reliability of these products.

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