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Date:      Tue, 11 Sep 2018 22:00:30 -0400
From:      Rick Miller <vrwmiller@gmail.com>
To:        wfdudley@gmail.com
Cc:        FreeBSD Questions <freebsd-questions@freebsd.org>
Subject:   Re: HELP upgrade 10.3 to 11.2, now it won't boot!
Message-ID:  <CAHzLAVHsUFXTMwr=xOfn+1ADAVu920Nh-Jqw6BT3W_P-NR-i1A@mail.gmail.com>
In-Reply-To: <CAFsnNZJY45_H+jBH9gfcM1Nu6h2Lnr-Kck2Sa7MG-+75TksueQ@mail.gmail.com>
References:  <CAFsnNZLG3dUyG54qq_WUpLXAYQWSyWkyLET9EGHO1+vy=p67FQ@mail.gmail.com> <CAHzLAVFNpa4WjVQSwqJJ9q9V0S8b5qBCDVbLjMFNR8Bhi2f89g@mail.gmail.com> <CAFsnNZKu5aitRc=WLsuR-3ZMrvyxko+EWmUq5C8tbH_gy=6fTA@mail.gmail.com> <CAHzLAVGM7AbC=rEq6RCeuHDT5-AJ2tHwgFHsPygtJCyMoPjY4Q@mail.gmail.com> <CAFsnNZJY45_H+jBH9gfcM1Nu6h2Lnr-Kck2Sa7MG-+75TksueQ@mail.gmail.com>

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Glad it worked!

On Tue, Sep 11, 2018 at 9:58 PM William Dudley <wfdudley@gmail.com> wrote:

> Rick,
>
> The problem was that my root partition had an "old" name: /dev/ad0s1a,
> instead of the
> "new" name, /dev/ada0s1a.  I booted a live CD and fixed it, and now it's
> booting.
>
> That scared the crap out of me.
>
> I'm not running ZFS -- I try to be as conservative as possible, not
> wanting to get bitten
> by experimental new tech.  So the boot drive is PATA, UFS.  I have a
> gmirror running
> on some SATA drives where the data is actually stored.
>
> Thanks very much for your help -- you had the answer.
>
> If you're ever in central New Jersey, let me buy you a beer.  Or
> equivalent.
>
> Bill Dudley
>
>
> This email is free of malware because I run Linux.
>
> On Tue, Sep 11, 2018 at 9:52 PM, Rick Miller <vrwmiller@gmail.com> wrote:
>
>>
>>
>> On Tue, Sep 11, 2018 at 9:28 PM William Dudley <wfdudley@gmail.com>
>> wrote:
>>
>>> This was a straight upgrade using freebsd-upgrade.  I don't do source
>>> builds anymore, since freebsd-upgrade was "reliable".
>>>
>>> What is the boot loader expecting to find in /etc/fstab ?
>>>
>>> I can boot live media and fix that, if I know what to change it to.
>>>
>>
>> The device for / in /etc/fstab must be valid. Do you know your partition
>> layout? The device in fstab must be the device with root. Check the devices
>> returned from '?' at the mountroot prompt. Unfortunately, the circumstances
>> surrounding our experiences with this error are quite different and fixing
>> the two are different.
>>
>> Is this ZFS? Are there options to boot an alternate kernel? Tried that?
>> Failing that, boot to external media to verify and validate /etc/fstab.
>>
>>
>>> Thanks,
>>> Bill Dudley
>>>
>>>
>>>
>>> This email is free of malware because I run Linux.
>>>
>>> On Tue, Sep 11, 2018 at 9:24 PM, Rick Miller <vrwmiller@gmail.com>
>>> wrote:
>>>
>>>>
>>>>
>>>> On Tue, Sep 11, 2018 at 8:27 PM William Dudley <wfdudley@gmail.com>
>>>> wrote:
>>>>
>>>>> I started the upgrade from 10.3 to 11.2.
>>>>>
>>>>> I followed all the instructions and all "looked OK" until I got to
>>>>> the reboot.
>>>>>
>>>>> Now the system won't boot.
>>>>>
>>>>> copied from a photo of the screen:
>>>>>
>>>>> Mounting from ufs:/dev/ad01e failed with error 19.
>>>>>
>>>>> (something)dev variables:
>>>>> (something)ufs.root.mountfrom=ufs:/dev/ad0s1e
>>>>> (something)ufs.root.mountfrom.options=rw
>>>>>
>>>>> (something)ual root filesystem specification:
>>>>> <fstype>:<device> [options]
>>>>>       Mount <device> using filesystem <fstype>
>>>>>       and with the specified (optional) option list.
>>>>>
>>>>> e.g. ufs:/dev/da0s1a
>>>>>        zfs:tank
>>>>>        cd9660:/dev/cd0 r0
>>>>>
>>>>> and obviously, more stuff intended to be helpful printed below that.
>>>>>
>>>>
>>>> Ugh! This error is the bane of my existence! AFAIK, mountroot() error
>>>> 19 means the root filesystem cannot be found. vfs.root.mountroot, which is
>>>> expected to contain the root filesystem, is derived from /etc/fstab unless
>>>> explicitly defined in loader(8)*. Theoretically, you can boot to whatever
>>>> root filesystem you may have by defining vfs.root.mountfrom at this prompt.
>>>>
>>>> Entering '?' at this prompt outputs a list of geom managed disk
>>>> devices. The root filesystem is expected to be on one of these.
>>>>
>>>> It's unclear how the upgrade was attempted (e.g. freebsd-update(8) or
>>>> source update). I've observed this error most when PXE booting bootonly
>>>> media, never during an OS upgrade.
>>>>
>>>> You may be able to resolve it by booting the system to external media
>>>> and mounting the disk with the root filesystem and modifying /etc/fstab.
>>>>
>>>> * https://twitter.com/hostileadmin/status/1035887403821686784
>>>>
>>>> --
>>>> Rick
>>>>
>>>
>>>
>>
>> --
>> Take care
>> Rick Miller
>>
>
>

-- 
Take care
Rick Miller



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