reboot while writing to USB device

[Edward Tomasz Napierała]

Wiadomość napisana przez Erich Dollansky w dniu 19 maj 2014, o godz. 10:25:
> Hi,
> 
> On Mon, 19 May 2014 09:50:18 +0200
> Edward Tomasz Napierała <trasz at FreeBSD.org> wrote:
> 
>> Wiadomość napisana przez Erich Dollansky w dniu 19 maj 2014, o godz.
>> 05:14:
>>> Hi,
>>> 
>>> i just got a reboot while a backup was done to an USB device. I
>>> found later hundreds of messages like this in /var/log/messages
>>> 
>>> May 19 10:24:32 X220 kernel: softdep_deallocate_dependencies: got
>>> error 6 while accessing filesystem 
>>> May 19 10:24:32 X220 last message repeated 38 times 
>> 
>> [..]
>> 
>>> FreeBSD X220.alogt.com 10.0-STABLE FreeBSD 10.0-STABLE #28: Sat Apr
>>> 19 20:06:41 WITA 2014
>>> erich at X220.alogt.com:/usr/obj/usr/src/sys/X220 amd64
>>> 
>>> The source and the destination file system are cyphered with geli.
>>> 
>>> What does this error 6 mean?
>> 
>> According to "man errno", it's ENXIO, Device not	configured.
>> Usually it means the disk disappeared, ie. was disconnected.
>> 
> 
> ok, the device was not disconnected. It was still connected
> (physically) and could be mounted and used directly after the reboot.

What's in the logs just before the "errno 6" and softdep-related messages?