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Date:      Thu, 21 Aug 2014 06:26:14 +0300
From:      Kimmo Paasiala <kpaasial@icloud.com>
To:        Bryan Drewery <bdrewery@FreeBSD.org>
Cc:        "freebsd-stable@freebsd.org" <freebsd-stable@freebsd.org>
Subject:   Loading of fuse.ko in loader.conf breaks mounting of root file system (Was: ZFS on root booting broken somewhere after r270020)
Message-ID:  <667C6AE4-222E-4FCD-9E1A-8E6584D05398@icloud.com>
In-Reply-To: <53F4DDF4.6010006@FreeBSD.org>
References:  <51AD1F36-1089-481F-8784-8BD8E6EF020F@icloud.com> <53F4DDF4.6010006@FreeBSD.org>

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[-- Attachment #1 --]

On 20.8.2014, at 20.42, Bryan Drewery <bdrewery@FreeBSD.org> wrote:

> On 8/17/2014 6:32 PM, Kimmo Paasiala wrote:
>> System is:
>> 
>> FreeBSD freebsd10.rdnzl.info 10.0-STABLE FreeBSD 10.0-STABLE #2 r270020: Fri Aug 15 20:38:59 EEST 2014     kimmo@buildstable10amd64.rdnzl.info:/usr/obj/usr/src/sys/GENERIC  amd64
>> 
>> This version still works fine. The one that didn’t work was r270097. The kernel boots but gets stuck at the line:
>> 
>> Trying to mount root from zfs:pool/ROOT/default []
>> 
>> I tried pressing enter at this point but got a panic, I don’t have a screenshot of the panic at the moment.
>> 
>> Could this problem be related the this commit? :
>> 
>> http://svnweb.freebsd.org/base?view=revision&sortby=rev&sortdir=down&revision=270095
>> 
>> -Kimmo
>> 
> 
> I had this issue on head recently as well. It somehow worked itself out
> though on newer revisions. Sorry I don't have more information.
> 
> -- 
> Regards,
> Bryan Drewery
> 

This turned out to be a problem with fuse.ko and not a problem with ZFS. Loading fuse.ko in loader.conf breaks mounting of the root filesystem at boot, at least with ZFS. I haven’t delved any deeper yet since I can fix the problem by not loading fuse.ko in loader.conf.

Subject changed accordingly.

-Kimmo

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