Date: Mon, 11 Dec 2017 16:06:09 -0700 From: Warner Losh <imp@bsdimp.com> To: Alan Somers <asomers@freebsd.org> Cc: FreeBSD CURRENT <freebsd-current@freebsd.org> Subject: Re: don't know how to load module '/boot/loader' Message-ID: <CANCZdfpdTxcqR2YtvRq937QWQACFjD_3_RKBHm=oKuXyH5ycEQ@mail.gmail.com> In-Reply-To: <CAOtMX2inqMz4F5Zb9Yz6BWYTtbDp7%2BtGkXh48%2BN%2Bfj=TXwJ9rw@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>
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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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