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Date:      Mon, 24 Jan 2011 10:26:53 +1030
From:      "Daniel O'Connor" <doconnor@gsoft.com.au>
To:        CDP <dr.clau@gmail.com>
Cc:        freebsd-usb@freebsd.org
Subject:   Re: System lockups caused by USB external HDD
Message-ID:  <5253D900-7A8F-43D7-8E86-88C0A14EF0B8@gsoft.com.au>
In-Reply-To: <4D3CAE4E.2040407@gmail.com>
References:  <4D3CAE4E.2040407@gmail.com>

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On 24/01/2011, at 9:10, CDP wrote:
> g_vfs_done():da0s2[WRITE(offset=3Dxxxxxxxxxxxx, length=3D16384)]error =
=3D 5
> [several more lines similar to the above]
> panic: softdep_move_dependencies: need merge code
> cpuid =3D 0
> KDB: stack backtrace:
> #0 0x... at kdb_backtrace+0x5e
> #1 0x... at panic+0x182

It looks like the disk is dying, or the FS is corrupt (the former might =
cause the later).

Can you run smartctl on the disk? Unfortunately a lot of enclosures =
reject SMART commands so you might not be able to :(

--
Daniel O'Connor software and network engineer
for Genesis Software - http://www.gsoft.com.au
"The nice thing about standards is that there
are so many of them to choose from."
  -- Andrew Tanenbaum
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