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Date: Tue, 12 May 1998 12:05:41 +0200 (MEST)
From: hans@artcom.de
Reply-To: hans@artcom.de
To: FreeBSD-gnats-submit@freebsd.org
Subject: ncr driver hangs under high load
X-Send-Pr-Version: 3.2

>Number:         6603
>Category:       kern
>Synopsis:       ncr driver hangs under high load
>Confidential:   no
>Severity:       serious
>Priority:       high
>Responsible:    jesper
>State:          closed
>Quarter:        
>Keywords:       
>Date-Required:  
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Tue May 12 03:10:01 PDT 1998
>Closed-Date:    Sun May 27 17:13:55 PDT 2001
>Last-Modified:  Sun May 27 17:15:10 PDT 2001
>Originator:     Hans Huebner
>Release:        FreeBSD 2.2.6-RELEASE i386
>Organization:
Art+Com GmbH
>Environment:

FreeBSD-2.2.6-RELEASE, P200, HX-Based MB, SYM22802 SCSI controller (w/diff),
four IBM DCHS09X drives on first SCSI channel, root on sd0, sd1/2/3 striped
together as ccd.

>Description:

Under load, the ncr driver hangs while accessing the stripe set.

ncr0:3: ERROR (a0:0) (8-28-0) (f/9d) @ (script 928:1807f580).
ncr0: script cmd = 88030000
ncr0: regdump: da 10 80 9d 47 0f 02 07 03 08 83 28 80 00 00 08.
ncr0: restart (fatal error).
sd3(ncr0:3:0): COMMAND FAILED (9 ff) @f0d80800.
sd2(ncr0:2:0): COMMAND FAILED (9 ff) @f0d80c00.
sd1(ncr0:1:0): COMMAND FAILED (9 ff) @f0d7c000.
ncr0: timeout ccb=f0d80800 (skip)
ncr0: timeout ccb=f0d80c00 (skip)
ncr0: timeout ccb=f0d7c000 (skip)
ncr0: timeout ccb=f0d7c400 (skip)


>How-To-Repeat:

The problem is triggered by 'make world', or by extracting files from
a tape drive.

>Fix:
	

>Release-Note:
>Audit-Trail:

From: Stefan Esser <se@FreeBSD.ORG>
To: hans@artcom.de, FreeBSD-gnats-submit@freebsd.org
Cc: Stefan Esser <se@freebsd.org>
Subject: Re: kern/6603: ncr driver hangs under high load
Date: Thu, 14 May 1998 22:59:07 +0200

 On 1998-05-12 12:05 +0200, hans@artcom.de wrote:
 > FreeBSD-2.2.6-RELEASE, P200, HX-Based MB, SYM22802 SCSI controller (w/diff),
 > four IBM DCHS09X drives on first SCSI channel, root on sd0, sd1/2/3 striped
 > together as ccd.
 > 
 > >Description:
 > 
 > Under load, the ncr driver hangs while accessing the stripe set.
 > 
 > ncr0:3: ERROR (a0:0) (8-28-0) (f/9d) @ (script 928:1807f580).
 > ncr0: script cmd = 88030000
 > ncr0: regdump: da 10 80 9d 47 0f 02 07 03 08 83 28 80 00 00 08.
 > ncr0: restart (fatal error).
 > sd3(ncr0:3:0): COMMAND FAILED (9 ff) @f0d80800.
 
 I'll look into this. Will need some days, though ...
 
 Gru, STefan
State-Changed-From-To: open->suspended 
State-Changed-By: jesper 
State-Changed-When: Sun May 27 17:02:18 PDT 2001 
State-Changed-Why:  
please retest with the sym(4) driver. 

http://www.FreeBSD.org/cgi/query-pr.cgi?pr=6603 
Responsible-Changed-From-To: freebsd-bugs->jesper 
Responsible-Changed-By: jesper 
Responsible-Changed-When: Sun May 27 17:03:17 PDT 2001 
Responsible-Changed-Why:  
keep it on the radarscreen 

http://www.FreeBSD.org/cgi/query-pr.cgi?pr=6603 
State-Changed-From-To: suspended->closed 
State-Changed-By: jesper 
State-Changed-When: Sun May 27 17:13:55 PDT 2001 
State-Changed-Why:  
Mail to submitter bounce, so we'll not get the retest with sym(4) 

<hans@artcom.de>: host tui.artcom.de[192.76.129.2] said: 550 '<hans@artcom.de>' 
<hans@artcom.de> not matched: (ERR_100) unknown user. 


http://www.FreeBSD.org/cgi/query-pr.cgi?pr=6603 
>Unformatted:
Hans Huebner
