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Date: Sun, 15 Mar 1998 23:53:51 +0100 (CET)
From: leifn@image.dk
Reply-To: leifn@image.dk
To: FreeBSD-gnats-submit@freebsd.org
Subject: Timeout too short on scsi_start_unit() at boot
X-Send-Pr-Version: 3.2

>Number:         6019
>Category:       kern
>Synopsis:       Timeout too short on scsi_start_unit() at boot
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    freebsd-bugs
>State:          closed
>Quarter:        
>Keywords:       
>Date-Required:  
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Sun Mar 15 15:00:01 PST 1998
>Closed-Date:    Sun Mar 22 11:54:58 MET 1998
>Last-Modified:  Sun Mar 22 11:55:27 MET 1998
>Originator:     Leif Neland
>Release:        FreeBSD 2.2.6-BETA i386
>Organization:
not particular
>Environment:

	SCSI-disks witch don't spin up at poweron but need the
	scsi_start_unit()

>Description:

	The timeout is too short (10 secs) for old Micropolis disks 
	for spinning up. A long timeout doesn't harm fast-starting disks.
	When the scsi_start_unit() times out, the disks are not recognized
	properly, so a reboot is required.

>How-To-Repeat:

	Get an old disk, and jumper it not to spinup at poweron!

>Fix:
	
	Increase the timeout in /sys/scsi/scsi_base.c


*** scsi_base.c	Tue Jul 29 21:42:50 1997
--- scsi_base.c.NE	Sun Mar 15 23:42:06 1998
***************
*** 335,341 ****
  		0,
  		0,
  		2,
! 		10000,
  		NULL,
  		flags));
  }
--- 335,341 ----
  		0,
  		0,
  		2,
! 		30000, /* XXX leifn@image.dk: Timeout changed from 10 secs */
  		NULL,
  		flags));
  }

>Release-Note:
>Audit-Trail:
State-Changed-From-To: open->closed 
State-Changed-By: joerg 
State-Changed-When: Sun Mar 22 11:54:58 MET 1998 
State-Changed-Why:  
Fixed in revision 1.39.4.6 of sys/scsi/scsi_base.c. 
>Unformatted:
