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Date: Fri, 31 Mar 2006 23:55:04 GMT
From: Peter Thoenen <peter.thoenen@yahoo.com>
To: freebsd-gnats-submit@FreeBSD.org
Subject: Unexplained Hard Crash on 6.0 and 6.1BETA's.  Reproducible
X-Send-Pr-Version: www-2.3

>Number:         95180
>Category:       kern
>Synopsis:       Unexplained Hard Crash on 6.0 and 6.1BETA's.  Reproducible (regression)
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    freebsd-bugs
>State:          closed
>Quarter:        
>Keywords:       
>Date-Required:  
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Sat Apr 01 00:00:32 GMT 2006
>Closed-Date:    Mon Dec 25 17:38:57 GMT 2006
>Last-Modified:  Mon Dec 25 17:38:57 GMT 2006
>Originator:     Peter Thoenen
>Release:        6.0 and 6.1BETA3
>Organization:
N/A
>Environment:
FreeBSD herz.nan-elmoth.net 6.1-PRERELEASE FreeBSD 6.1-PRERELEASE #3: Sat Feb 18 21:50:32 EST 2006     root@herz.nan-elmoth.net:/usr/obj/usr/src/sys/BITCH  amd64

NOTE: This is not a arch problem.  Have see on i386 also.
>Description:
System, after 2 to 4 hours of running, hard crashes and powers off after
starting certain software.  If said software is not started, sytem remains
up.  No panic or dump is generated.  Problem is reproducible.  Problem did not
exist on FBSD 5.x.  As the tor-devel maintainer, I have had multiple people on
a variety of different platforms report this identical issue to me.  The only
common thread is we are all running FBSD 6.0 and 6.1BETA.  It is NOT an
application issue as problem is reproducible with other applications.  Nor
do I believe it to be a faulty hardware issue (as a variety of poeple have
reborted) and works just fine on FBSD 5.x.  Not a system limit issue either
as far as I can tell as I have spent the last month playing with tunables
and sysctrl.  I can provide additional information if needed, just tell
me exactly what you want.  As it stands now, my colo (along with a couple
other FBSD folk's colo's) are completely unusable.
>How-To-Repeat:
1.  Start either: tor-devel (server mode), freenet, i2p.
2.  Wait 2 to 4 hours.
3.  System hard powers off.
4.  Repeat.

NOTE: Not everybody gets this so assuming something obscure.  I have had a
dozen or so folk email me though with identical issue.  I believe it has
something to do with the new network code introduced in FBSD6.  Only common
thread I can see in the above applications are all open a large number of
concurrent connections and high constant bandwidth.  In my case I am usually
running 4Mbs constant with ~8000 open connections and even more pf states.
>Fix:
Unknown and at a loss on how to further troubleshoot.
>Release-Note:
>Audit-Trail:

From: Peter Thoenen <eol1@yahoo.com>
To: bug-followup@FreeBSD.org
Cc:  
Subject: Re: kern/95180: Unexplained Hard Crash on 6.0 and 6.1BETA's.  Reproducible (regression)
Date: Sun, 9 Apr 2006 14:04:11 -0700 (PDT)

 Just to update: Confirm still on FreeBSD 6.1-PRERELEASE
State-Changed-From-To: open->closed 
State-Changed-By: linimon 
State-Changed-When: Fri May 12 19:04:41 UTC 2006 
State-Changed-Why:  
From misfiled followup kern/97168: 

Date: Fri, 12 May 2006 02:24:11 -0700 (PDT) 
From: Peter Thoenen <eol1@yahoo.com> 

Close this as "Work for Me".  Ever since updating to RC2 (haven't tried 
6.1 full yet) I have had no unexplained crashes.  Something got fixed 
somewhere though got me what. 

http://www.freebsd.org/cgi/query-pr.cgi?pr=95180 
State-Changed-From-To: closed->feedback 
State-Changed-By: rwatson 
State-Changed-When: Mon Jul 3 09:47:59 UTC 2006 
State-Changed-Why:  
Re-open at request of submitter, who has previously reported this fixed, 
but has now reported it less fixed.  Put in feedback state to encourage 
the submission of follow-up information. 


http://www.freebsd.org/cgi/query-pr.cgi?pr=95180 
State-Changed-From-To: feedback->closed 
State-Changed-By: remko 
State-Changed-When: Mon Dec 25 17:38:55 UTC 2006 
State-Changed-Why:  
Sadly the encouragement of Robert did not help out till now, closing the 
PR. If someone has feedback, notify me and we will work it out. 

http://www.freebsd.org/cgi/query-pr.cgi?pr=95180 
>Unformatted:
