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Date: Fri, 08 Aug 2008 16:07:56 +0200
From: Kris Kennaway <kris@FreeBSD.org>
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To: Andrea Venturoli <ml@netfence.it>
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Cc: freebsd-questions@freebsd.org
Subject: Re: dump locks again
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Andrea Venturoli wrote:
> Hello.
> I googled around for this but found only very old threads (from 2005 or 
> so).
> 
> I'm taking dumps of a new box I build, which runs 7.0/amd64 on 8 cores 
> with harware RAID-5 (ciss driver).
> 
> This is an example of the command I issue:
> 
> dump -0 -a -f usr.dump -L -h 0 -u /usr
> 
> Almost always, the dump process will work up to Pass IV (regular files), 
> but then stuck there.
> 
> # ps ax|grep dump
> 11400  p1  I+     0:00.97 /sbin/dump -0 -a -f usr.dump -L -h 0 -u /usr 
> (dump)
> 11405  p1  I+     0:00.18 dump: /dev/da0s1e: pass 4: 4.28% done, 
> finished in 0:03 at Fri Aug  8 10:35:34 2008 (dump)
> 11406  p1  I+     0:00.24 /sbin/dump -0 -a -f usr.dump -L -h 0 -u /usr 
> (dump)
> 11407  p1  I+     0:00.24 /sbin/dump -0 -a -f usr.dump -L -h 0 -u /usr 
> (dump)
> 11408  p1  I+     0:00.23 /sbin/dump -0 -a -f usr.dump -L -h 0 -u /usr 
> (dump)
> 
> top shows 11400 in wait state, 11406-11408 in pause state and 11405 in 
> sbwait state.
> 
> Any hint is appreciated.

This was fixed in 7.0-STABLE.

Kris