zfsloader 9.0 BETA3 r225759 - i/o error - all block copies unavailable

Andriy Gapon avg at FreeBSD.org
Thu Oct 6 11:02:15 UTC 2011

on 06/10/2011 12:25 Henri Hennebert said the following:
> Hello all,
> I upgrade from 9.0-BETA2 to 9.0-BETA3 (r225759) and when booting from a zpool I get:
> ZFS: i/o error - all block copies unavailable
> can't open '/boot/menu.rc': no such file or directory.
> I pxe boot mfsbsd 8.2-RELEASE + zfs v28
> then:
> mkdir /rpool
> zpool import -R /rpool rpool
> mount -t zfs rpool/boot /mnt
> mv /mnt/boot/menu.rc /mnt/boot/Menu.rc
> cp /mnt/boot/Menu.rc /mnt/boot/menu.rc
> umount /mnt
> shutdown -r now
> and the next boot run smoothly...

Does your root fs have compression enabled?

> PS.
> I have to boot from pxe because after the i/o error, the kernel was booted but
> encounter a double fault. I try 5 times with the same result.
> I think that on my configuration only the kernel without ACPI encouter this trap.

I think that you should try to gather and report more information about the panic

Andriy Gapon

More information about the freebsd-current mailing list