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Date: Wed, 23 Apr 2008 19:51:25 +0200
From: Kris Kennaway <kris@FreeBSD.org>
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To: Brian McCann <bjmccann@gmail.com>
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Cc: freebsd-questions <freebsd-questions@freebsd.org>
Subject: Re: dump never ending?
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Brian McCann wrote:

> On Wed, Apr 23, 2008 at 12:58 PM, Brian McCann <bjmccann@gmail.com> wrote:
>> I've got an issue on a new 7.0 amd64 box (first one I've setup with
>>  amd64).  When I dump tiny file systems (24M and 12K for example), dump
>>  runs file.  When I dump something larger (202M and 2G for example), it
>>  hangs and stops writing.  The command I'm running is:
>>
>>  dump -0uan -L -f /mnt/tiw.root.dump /
>>
>>  It hangs weather I put in -L or not, and if I try going to a local
>>  file system or one over NFS.  I do see the following in ps:
>>
>>  dump: /dev/amrd0s1a: pass 4: 80.10% done, finished in 0:00 at Wed Apr
>>  23 11:48:28 2008 (
>>
>>  along with 3 other dump processes.
>>
>>  There's no "verbose" option for dump...so I can't quite see what's
>>  going on.  Does anyone have any ideas on this, or has anyone seen this
>>  before?

What is the wait channel in which the dump process is stuck (press ^T). 
  It sounds like a kernel bug that was recently fixed, so you could just 
try updating to 7.0-STABLE.  I believe it is scheduled for release as an 
errata patch against 7.0-RELEASE too.

Kris