From root@www.eng.uwaterloo.ca  Wed Mar 16 19:17:31 2005
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Date: Wed, 16 Mar 2005 14:17:31 -0500
From: "Charlie &" <root@www.eng.uwaterloo.ca>
Reply-To: ray@engmail.uwaterloo.ca
To: FreeBSD-gnats-submit@freebsd.org
Cc: mshurst@engmail.uwaterloo.ca
Subject: SuperMicro web server with 5.3-RELEASE kernel panics under load 
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>Number:         78930
>Category:       i386
>Synopsis:       SuperMicro web server with 5.3-RELEASE kernel panics under load
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    freebsd-i386
>State:          closed
>Quarter:        
>Keywords:       
>Date-Required:  
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Wed Mar 16 19:20:02 GMT 2005
>Closed-Date:    Thu Jun 28 18:40:53 GMT 2007
>Last-Modified:  Thu Jun 28 18:40:53 GMT 2007
>Originator:     Ray White
>Release:        FreeBSD 5.3-RELEASE-p5 i386
>Organization:
University of Waterloo
>Environment:
System: FreeBSD ecserv15.uwaterloo.ca 5.3-RELEASE-p5 FreeBSD 5.3-RELEASE-p5 #1:
Thu Mar 10 12:23:31 EST 2005 root@ecserv15.uwaterloo.ca:/usr/obj/usr/src/sys/SMP
 i386

        
>Description:
We are trying to upgrade our web server to 5.3-RELEASE 
but as soon as we put it into service, kernel panics/reboots start.
We had 5.3-RELEASE on our identical hardware (SuperMicro SuperServer
6013P-8) running as our mail server and had the same behaviour, so
we quickly reverted back to 4.11-RELEASE and the kernel panics
stopped. Kris Kennaway suggested upgrading the kernel as per the
FreeBSD-EN-05:03.ipi Errata Notice which shows no improvement. We
are using the generic kernel with the SMP option.

        
>How-To-Repeat:
Not known, only occurs under load.
        
>Fix:

        
>Release-Note:
>Audit-Trail:
State-Changed-From-To: open->feedback 
State-Changed-By: gavin 
State-Changed-When: Thu Jun 28 16:32:50 UTC 2007 
State-Changed-Why:  

To submitter:  Do you still see this problem on later versions of FreeBSD? 
If so, can you obtain a backtrace by compiling the kernel debugger in and 
calling "trace" when the machine next crashes?  Without this info, it's 
unlikely that this problem can be diagnosed. 

http://www.freebsd.org/cgi/query-pr.cgi?pr=78930 
State-Changed-From-To: feedback->closed 
State-Changed-By: remko 
State-Changed-When: Thu Jun 28 18:40:52 UTC 2007 
State-Changed-Why:  
The submitter reports that this can be closed (thanks for the feedback 
and the request (gavin)) 

http://www.freebsd.org/cgi/query-pr.cgi?pr=78930 
>Unformatted:
