"ad0: TIMEOUT - WRITE_DMA" type errors with 7.0-RC1

Ivan Voras ivoras at freebsd.org
Sat Jan 26 12:28:40 PST 2008

Henri Hennebert wrote:
> Jeremy Chadwick wrote:
>> On Fri, Jan 25, 2008 at 06:17:24PM -0700, Joe Peterson wrote:
>>> Glad you got it back!  Yes, when I was first playing with ZFS, I noticed
>>> that booting between single and multi user mode could make the pools
>>> "invisible".  Import seemed to bring them back...
>> I did go into single-user mode and attempt to do ZFS-related commands,
>> which might explain the "no datasets available" once I was back in
>> multiuser!  I would classify that as a bug, and one which is going to
>> cause all sorts of hair-pulling for administrators in the future.  I
>> wonder what it's caused by.
> In single user / is read only and so /boot/zfs/zpool.cache can't be 
> created/updated

But it's still readable. The issue is that hostid isn't set (by 

-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 250 bytes
Desc: OpenPGP digital signature
Url : http://lists.freebsd.org/pipermail/freebsd-stable/attachments/20080126/5ad56ea9/signature.pgp

More information about the freebsd-stable mailing list