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From: =?UTF-8?B?5LmU5qWa?= <honestqiao@gmail.com>
Date: Wed, 11 Dec 2013 00:59:36 +0800
Message-ID: <CAMAY4VhHh4utpwsb+qZOrnJ5P=MN_PM4aH5kekGc+k8L8tiEig@mail.gmail.com>
Subject: boot failure after upgrade to HEAD from svn: zfs i/o error - all
 block copies unavailable invalid format
To: Current FreeBSD <freebsd-current@freebsd.org>
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*Today, after **upgrade to HEAD from svn, My FreeBSD can't boot.*

*Error message:*

*ZFS: i/o error all block copies unavailable
**Invalid format*


*If boot from **FreeBSD-11.0-CURRENT-amd64-20131205-r258961-bootonly.iso
or FreeBSD-11.0-CURRENT-amd64-20131205-r258961-disc1.iso, boot loader
will stop at *mountfrom:


*My FreeBSD version is -current.*

*Before upgrade, svn version is r25906.*

*After upgrade , svn version maybe r**259156.*

*ZFS is root fs.*


*How to fix it?*