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Date: Fri, 31 Aug 2001 14:22:55 -0700 (PDT)
From: Paul English <penglish@thermal.hydro.washington.edu>
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Subject: kern/30241: System crash w/err: AHC0; AHC_INTR - referenced SCB not valid
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>Number:         30241
>Category:       kern
>Synopsis:       System crash w/err: AHC0; AHC_INTR - referenced SCB not valid
>Confidential:   no
>Severity:       serious
>Priority:       high
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Fri Aug 31 14:30:01 PDT 2001
>Closed-Date:
>Last-Modified:
>Originator:     Paul English
>Release:        FreeBSD 4.1.1-RELEASE i386
>Organization:
University of Washington, Civil Eng Dept, Hydro research group
>Environment:

	Adaptec 2940UW controller on Dual PIII w/Tyan S1834 motherboard, 1 GB PC133RAM. 1 internal IDE HDD, and 1 external SCSI-IDE RAID 5 array. Arena 9000EX model.

>Description:

	When a certain (custom C) program is run which reads and writes a great deal to the array the following error occurs:
	AHC0; AHC_INTR - referenced SCB not valid during SELTO SCB(15, 12)
	usually repeated many times followed quickly by a system crash.

>How-To-Repeat:

	Difficult/impossible to repeat outside of our environment.

>Fix:

	

>Release-Note:
>Audit-Trail:
>Unformatted:

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