Mount Root fails: r347007

[Larry Rosenman]

On 05/02/2019 11:10 am, Larry Rosenman wrote:
> On 05/02/2019 10:58 am, Warner Losh wrote:
>> On Thu, May 2, 2019 at 9:54 AM Larry Rosenman <ler at lerctr.org> wrote:
>> 
>>> On 05/02/2019 9:41 am, Larry Rosenman wrote:
>>> > On 05/02/2019 9:24 am, Warner Losh wrote:
>>> >> On Thu, May 2, 2019 at 7:40 AM Larry Rosenman <ler at lerctr.org> wrote:
>>> >>
>>> >>> On 05/02/2019 8:29 am, Warner Losh wrote:
>>> >>> > On Wed, May 1, 2019 at 10:04 PM Larry Rosenman <ler at lerctr.org>
>>> wrote:
>>> >>> >
>>> >>> >> Upgraded from r346487 to r347007, and when I reboot, I get a
>>> mountroot
>>> >>> >> prompt.  If I answer it with the same BootFS I booted from
>>> >>> >> (zfs:zroot/ROOT/r347007) it continues to boot, and run.
>>> >>> >>
>>> >>> >> Dmesg: https://www.lerctr.org/~ler/Boot-NoRoot.txt
>>> >>> >>
>>> >>> >> What else do we need?
>>> >>> >>
>>> >>> >> I did upgrade the EFI partitions, and the freebsd-boot partitions
>>> >>> >> and that did *NOT* change anything.
>>> >>> >>
>>> >>> >> Ideas?
>>> >>> >>
>>> >>> >
>>> >>> > BIOS or UEFI booting?
>>> >>>
>>> >>> UEFI boot.
>>> >>>
>>> >>
>>> >> So no change to \efi\boot\bootx64.efi (or whatever you are booting?
>>> >>
>>> >> Can you get the output of 'show' in the boot loader?
>>> >>
>>> >> Also, is there a way you can try one or two of the versions in between
>>> >> 346487 and 347007 to try to narrow the changes down a bit?
>>> >>
>>> >> Warner
>>> >
>>> > show output in 4 screenshots:
>>> > https://www.lerctr.org/~ler/FreeBSD/NO-BOOT/
>>> >
>>> > What's the easiest way to try some of the other revisions?  And which
>>> > would
>>> > you suggest?  (I'm set up for meta-mode).
>>> working with Kyle Evans on IRC, and backing /boot/loader.efi to 
>>> r346487
>>> lets the system boot
>>> normally.
>>> 
>> 
>> OK. I noticed vfs.root.mountfrom wasn't set. Can you see if it's set 
>> in
>> your successfully booted system with kenv?
>> 
> 
> 2 things: r346675 still works, and vfs.root.mountfrom *IS* set.
r346879 does *NOT* work.  Stepping back to r346759


-- 
Larry Rosenman                     http://www.lerctr.org/~ler
Phone: +1 214-642-9640                 E-Mail: ler at lerctr.org
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