Microsoft KB Archive/239575

= "STOP: 0X00002B PANIC_STACK_SWITCH" on Alpha During SQL 7.0 SP1 Setup =

Article ID: 239575

Article Last Modified on 3/1/2007

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APPLIES TO


 * Microsoft Windows NT Server 4.0, Terminal Server Edition Service Pack 4
 * Microsoft Windows NT Server 4.0, Terminal Server Edition Service Pack 5
 * Microsoft Windows NT 4.0 Service Pack 5
 * Microsoft Windows NT 4.0 Service Pack 5

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This article was previously published under Q239575



SYMPTOMS
When you are installing Microsoft SQL Server 7.0 Service Pack 1 (SP1) on an Alpha-based computer with a Powerstorm 4d20 video adapter (using the Tga2 driver), the computer may stop responding (hang) with the following error message shortly after the user validation phase of SQL 7.0 SP1 Setup:

STOP: 0X00002B (0xDE05CFA4,0x00000003,0Xfffffff0,0xf657c000)

PANIC_STACK_SWITCH

Microsoft Windows NT [0xf0000565]

Machine State at Call to Bug Check PC : 800c0364 PSR : 0000001E

Callee-Sp Return -Ra Dll Base - Name

806d9e00 800c0364 : 80080000 - ntoskrnl.exe

FFFFFFF0 DE05CFA8 80080000 - ntoskrnl.exe

Callee-SP Return-RA Call Site

806d90f0 800b854c : ntkrnlmp!DbgBreakPointWithStatus+0x4

806d90f0 800bfde0 : ntkrnlmp!KeBugCheckEx+0x254

806d9620 800c2694 : ntkrnlmp!KiMemoryManagementException+0xf4

806d9820 800c255c : ntkrnlmp!KiLookupFunctionEntry+0x74

806d9840 800b84a0 : ntkrnlmp!KeDumpMachineState+0x17c

806d98d0 800c0360 : ntkrnlmp!KeBugCheckEx+0x1a8

806d9e00 de05cfa4 : ntkrnlmp!KiPanicException+0x8

fffffff0 80174230 : win32k!W32pThreadCallout+0x4

00000010 00000000 : ntkrnlmp!PsConvertToGuiThread+0x250



WORKAROUND
To work around this behavior, use the standard VGA video driver on the computer instead of the Powerstorm 4d20 (Tga2) driver. The files for the Powerstorm 4d20 video driver are listed below.   Date        Time    File name -  01/22/1998  10:14a  Tga2.dll 01/22/1998 10:18a  Tga2.sys



MORE INFORMATION
This problem can occur on the following Alpha-based computers:
 * AlphaServer 1200
 * AlphaServer 4000/4100
 * AlphaServer 8200/8400
 * Digital Ultimate Workstation

Keywords: kbprb KB239575

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