Subject: kern/4974: ISP driver needs better reset strategies
To: None <gnats-bugs@gnats.netbsd.org>
From: None <mjacob@feral.com>
List: netbsd-bugs
Date: 02/11/1998 12:41:42
>Number: 4974
>Category: kern
>Synopsis: ISP driver needs better reset strategies
>Confidential: no
>Severity: serious
>Priority: low
>Responsible: kern-bug-people (Kernel Bug People)
>State: open
>Class: sw-bug
>Submitter-Id: net
>Arrival-Date: Wed Feb 11 12:50:03 1998
>Last-Modified:
>Originator: Matthew Mjacob
>Organization:
Nasa Ames Reseach Center
>Release: 1.3
>Environment:
System: NetBSD jules.nas.nasa.gov 1.3_ALPHA NetBSD 1.3_ALPHA (MSS3) #0: Mon Jan 19 10:44:42 PST 1998 mjacob@poseur.nas.nasa.gov:/space/NetBSD-mss3/src/sys/arch/alpha/compile/MSS3 alpha
>Description:
The reset recovery code for the ISP HBA adapter doesn't work very well.
>How-To-Repeat:
Jam up the ISP by powering off a disk on the ISP's SCSI bus while
that disk is really active. Eventually a command will time out.
The ISP driver will reset, but not cleanly or completely, sometimes
leading to a panic:
>Fix:
>Audit-Trail:
>Unformatted: