"Stop 0x50" in IopReportResourceUsage If Resource List Is Parsed Incorrectly While Loading Sysmgmt.sys (291781)
The information in this article applies to:
- Microsoft Windows NT Server 4.0 SP5
- Microsoft Windows NT Server 4.0 SP6a
- Microsoft Windows NT Server, Enterprise Edition 4.0 SP5
- Microsoft Windows NT Server, Enterprise Edition 4.0 SP6a
- Microsoft Windows NT Workstation 4.0 SP5
- Microsoft Windows NT Workstation 4.0 SP6a
This article was previously published under Q291781 SYMPTOMS
During Windows startup, a "Stop 0x00000050" (e1400004,0,0,2) error may occur. This problem is known to occur on Compaq Proliant DL580 multiple-processor computers in the early stages of startup when loading the Compaq Sysmgmt.sys driver. At this stage, no memory dump is generated; a live debug session is required to clearly identify this problem. The problem occurs only when the Sysmgmt.sys Startup mode is "system" (the default), and is intermittent (about 1 in 10 tries). If Sysmgmt.sys is started in "automatic" mode, the problem does not occur.
CAUSE
Resource lists (CM_RESOURCE_LIST) that are provided by Sysmgmt.sys are parsed incorrectly in IopReportResourceUsage. Therefore, the parser may address a non-mapped area of memory, generating the problem.
RESOLUTIONA supported fix is now available from Microsoft, but it is only intended to correct the problem that is described in this article. Apply it only to computers that are experiencing this specific problem. To resolve this problem, contact Microsoft Product Support Services to obtain the fix. For a complete list of Microsoft Product Support Services phone numbers and information about support costs, visit the following Microsoft Web site: NOTE: In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question.
The English version of this fix should have the following file attributes or later:
Date Time Size File name Platform
-------------------------------------------------------------
03/15/2001 05:36p 957,120 Ntkrnlmp.exe Intel
03/15/2001 05:36p 936,768 Ntoskrnl.exe Intel
03/15/2001 05:32p 1,403,200 Ntkrnlmp.exe Alpha
03/15/2001 05:32p 1,375,104 Ntoskrnl.exe Alpha
NOTE: Because of file dependencies, this hotfix requires Windows NT 4.0 Service Pack 6a (SP6a).
STATUSMicrosoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article.
Modification Type: | Minor | Last Reviewed: | 9/26/2005 |
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Keywords: | kbHotfixServer kbQFE kbbug kbfix KB291781 |
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