boot failure after upgrade to HEAD from svn: zfs i/o error - all block copies unavailable invalid format

[Volodymyr Kostyrko]

10.12.2013 18:59, 乔楚 wrote:
> *Today, after **upgrade to HEAD from svn, My FreeBSD can't boot.*
>
> *Error message:*
>
> *ZFS: i/o error all block copies unavailable
> **Invalid format*

I see you are using GPT. Have you updated bootcode then? Can you import 
your pool from any HEAD snapshot?

-- 
Sphinx of black quartz, judge my vow.