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Date:      Mon, 11 Dec 2017 16:33:24 -0700
From:      Alan Somers <asomers@freebsd.org>
To:        Warner Losh <imp@bsdimp.com>
Cc:        FreeBSD CURRENT <freebsd-current@freebsd.org>
Subject:   Re: don't know how to load module '/boot/loader'
Message-ID:  <CAOtMX2go1qTb19jsRzngTL00W12Z3nemds=491ksZP%2BqWh5n-w@mail.gmail.com>
In-Reply-To: <CANCZdfoDXKTjzjc1FaRmhN0G3mrA%2BVQjRfpGrrg-mXSXMD8ijA@mail.gmail.com>
References:  <CAOtMX2iO5qSwhDQWuNOkSxeFPuSwfbvVhBE9%2BgGRF3JCnwrGDg@mail.gmail.com> <CANCZdfqzOced2W1s6DvJAEgFM5JdOBYaf_0kEoYbF3i-%2BpmqSg@mail.gmail.com> <CAOtMX2iug5vWup6=WX9ts3ECNokdxMJFn5QJv1c-STuUiEOuuQ@mail.gmail.com> <CANCZdfrDWLC_WJHzFcBfcqnpo3qWOOGugFOv4sCGbtP39x6m6Q@mail.gmail.com> <CAOtMX2inqMz4F5Zb9Yz6BWYTtbDp7%2BtGkXh48%2BN%2Bfj=TXwJ9rw@mail.gmail.com> <CANCZdfpdTxcqR2YtvRq937QWQACFjD_3_RKBHm=oKuXyH5ycEQ@mail.gmail.com> <CANCZdfoDXKTjzjc1FaRmhN0G3mrA%2BVQjRfpGrrg-mXSXMD8ijA@mail.gmail.com>

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Yep, I can confirm that r326772 introduced the bug, and it is fixed by
r326784.  Thanks for the quick turnaround.

-Alan

On Mon, Dec 11, 2017 at 4:16 PM, Warner Losh <imp@bsdimp.com> wrote:

> Ooops I lied. r326784 should fix it. Now I have flight attendants yelling
> at me to put this computer away....
>
> Warner
>
> On Mon, Dec 11, 2017 at 4:06 PM, Warner Losh <imp@bsdimp.com> wrote:
>
>> I'm seeing the same bug in my qemu VM setup. I'm about to land, so won't
>> likely be able to fix this until I get to the hotel, but I'm pretty sure
>> that I know what caused it. I didn't notice it before the commit (I gotta
>> get a better regression suite in place for this stuff, rather than the
>> ad-hoc testing I've been able to do).
>>
>> Warner
>>
>> On Mon, Dec 11, 2017 at 3:37 PM, Alan Somers <asomers@freebsd.org> wrote:
>>
>>> On Mon, Dec 11, 2017 at 3:30 PM, Warner Losh <imp@bsdimp.com> wrote:
>>>
>>>>
>>>>
>>>> On Mon, Dec 11, 2017 at 3:26 PM, Alan Somers <asomers@freebsd.org>
>>>> wrote:
>>>>
>>>>> On Mon, Dec 11, 2017 at 3:19 PM, Warner Losh <imp@bsdimp.com> wrote:
>>>>>
>>>>>>
>>>>>>
>>>>>> On Mon, Dec 11, 2017 at 3:03 PM, Alan Somers <asomers@freebsd.org>
>>>>>> wrote:
>>>>>>
>>>>>>> I just upgraded my head machine to r326772.  Now, boot2 can't find
>>>>>>> the
>>>>>>> loader.  Instead, it tries to boot the kernel directly, which fails
>>>>>>> because
>>>>>>> the ZFS module isn't loaded.  If I break into boot2 and type "boot
>>>>>>> /boot/loader" I get the error "don't know how to load module
>>>>>>> '/boot/loader'".  I last updated on 30-Nov, so this bug must've been
>>>>>>> introduced since then.  Any ideas?
>>>>>>>
>>>>>>> BTW, I can successfully boot with the following commands:
>>>>>>> unload
>>>>>>> load /boot/kernel/kernel
>>>>>>> load zfs
>>>>>>> boot
>>>>>>>
>>>>>>> http://bayimg.com/iAKmFaAgl
>>>>>>
>>>>>>
>>>>>> I'd bisect :)
>>>>>>
>>>>>> However, try to update to just before this commit:
>>>>>>
>>>>>> Author: imp <imp@ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f>
>>>>>> Date:   Fri Dec 8 19:57:16 2017 +0000
>>>>>>
>>>>>>     Create interp class.
>>>>>>
>>>>>>     Create an interp class. Use it to separate out the different
>>>>>> types of
>>>>>>     interpreters: forth and simple with function pointers rather than
>>>>>>     via #ifdefs.
>>>>>>
>>>>>>     Obtained from: lua boot loader project
>>>>>>         (via https://bsdimp@github.com/bsdimp/freebsd.git
>>>>>> lua-bootloader)
>>>>>>     Sponsored by: Netflix
>>>>>>
>>>>>>
>>>>>>     git-svn-id: svn+ssh://svn.freebsd.org/base/head@326712
>>>>>> ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f
>>>>>>
>>>>>> would be a good place to start.
>>>>>>
>>>>>> It's a shame we can't create zpool images with an unpriv'd user
>>>>>> command. Would help out the ZFS testing of the boot loader refinement.
>>>>>>
>>>>>> Warner
>>>>>>
>>>>>
>>>>> If I bisect this, what parts do I need to reinstall each time?  A full
>>>>> buildworld would be too slow.  Is it sufficient to reinstall stand?
>>>>>
>>>>
>>>> Just rebuild stand, reinstall it and reboot.
>>>>
>>>> Also, why are you trying to load /boot/loader from /boot/zfsloader?
>>>> That has me confused. The screen shot looks like it found the kernel OK and
>>>> was going to boot it, but then you interrupted it, unloaded it and tried to
>>>> load /boot/loader. Shouldn't that be /boot/kernel or /boot/kernel.old or
>>>> something like that?
>>>>
>>>> OK is /boot/loader's prompt (boot2 has no such prompt).... maybe the
>>>> real bug here is that the menu has stopped working leading to your
>>>> confusion...
>>>>
>>>
>>>> Warner
>>>>
>>>
>>> It certainly could be a bug in the menu.  I'm definitely confused,
>>> because this is a domain I've seldom dealt with, since it usually just
>>> works.  If I'm actually in /boot/loader, then there are two problems:
>>> 1) The menu isn't working
>>> 2) The loader isn't reading /boot/loader.conf.
>>>
>>
>>
>



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