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Date:      Wed, 11 Oct 2006 07:48:47 +0200 (CEST)
From:      Gerhard Schmidt <estartu@etustar.ze.tum.de>
To:        FreeBSD-gnats-submit@FreeBSD.org
Subject:   kern/104288: Write Errors on md0 
Message-ID:  <200610110548.k9B5mlL5007446@etustar.ze.tum.de>
Resent-Message-ID: <200610110550.k9B5oB5N021938@freefall.freebsd.org>

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>Number:         104288
>Category:       kern
>Synopsis:       Write Errors on md0
>Confidential:   no
>Severity:       critical
>Priority:       high
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Wed Oct 11 05:50:11 GMT 2006
>Closed-Date:
>Last-Modified:
>Originator:     Gerhard Schmidt
>Release:        FreeBSD 6.1-STABLE i386
>Organization:
>Environment:
System: FreeBSD etustar.ze.tum.de 6.1-STABLE FreeBSD 6.1-STABLE #8: Sat Sep 16 09:19:34 CEST 2006 root@etustar.ze.tum.de:/usr/src/sys/i386/compile/ETUSTAR i386


	
>Description:
I have my tmp filesystem in a ram-disk, setup via 
tmpmfs="YES"
tmpsize="1g"

When the filesystem get filled up (not full but above 30%) i get the
follwing errormessages  

+g_vfs_done():md0[WRITE(offset=621379584, length=16384)]error = 28
+g_vfs_done():md0[WRITE(offset=621395968, length=16384)]error = 28
+g_vfs_done():md0[WRITE(offset=621412352, length=16384)]error = 28
+g_vfs_done():md0[WRITE(offset=621428736, length=16384)]error = 28

Many of them and shoutly after, the computer reboots 

I've checked my memory without any faults. My swapspace is 2g and
my physical memory is 1g 

>How-To-Repeat:

create a large md (> 512m) in swap and fill it with data. 

>Fix:

n/k
>Release-Note:
>Audit-Trail:
>Unformatted:



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