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Date: Mon, 23 Jul 2001 22:33:18 +0200 (CEST)
From: wilko@FreeBSD.org
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Subject: kern/29169: FC loop that 'goes away' never times out I/O cmds
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>Number:         29169
>Category:       kern
>Synopsis:       FC loop that 'goes away' never times out I/O cmds
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Mon Jul 23 13:40:00 PDT 2001
>Closed-Date:
>Last-Modified:
>Originator:     Wilko Bulte
>Release:        FreeBSD -current as of 7/23/2001
>Organization:
Private FreeBSD site - The Netherlands
>Environment:

        -current as of Jul 23, 2001. PTI isp2100 based FC HBA.
	Any x86 or axp box.

>Description:

        Powering down FC disk cab results in LIP, noted by the isp driver.
	This is OK. Running for example camcontrol rescan on the FC
	loop/bus results in camcontrol hanging in 'cbwait' forever.
	The I/O request obviously never times out.

>How-To-Repeat:

	See description

>Fix:

	Some timeout mechanism needs to be implemented so that a dead FCAL
	can be detected and attached FC/SCSI devices can be declared 'gone'
	properly.
	
>Release-Note:
>Audit-Trail:
>Unformatted:

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