Am 27.03.18 um 21:31 schrieb Kyle Evans:
On Tue, Mar 27, 2018 at 11:06 AM, Stefan Esser <s...@freebsd.org> wrote:
A few weeks ago I tried the LUA boot and found, that my kernel did not start
(i.e. did not print the initial FreeBSD version line), but instead stopped
with:
Oy =/
panic: No heap setup
I recovered by booting from an alternate boot device and kept my system
running until today, where I decided to give the LUA boot another try.
The boot failure happened again, with identical message:
panic: No heap setup
Hmm... that's an sbrk panic [1], indicating that setheap hadn't been
called. zfsgptboot is zfsboot with gpt bits included, so the relevant
setheap call is [2] I believe. It's not immediately clear to me how
switching interpreters could actually be breaking it in this way.
At what point are you hitting this panic? After menu, before kernel transition?
The menu is displayed and I can unload the kernel and load the kernel
and modules from an alternate path. The lua code seems to work just fine,
but as soon as I enter the "boot" command, the panic happens.
This happens when the loader transfers control to the kernel but before
any other output is generated. I tried booting a GENERIC kernel just to
be sure this is not caused by an out-dated kernel config file.
I tried booting a GENERIC kernel, but only rebuilding the boot loader
(gptzfsloader in my case) without LUA support fixed the issue for me ...
The system is -CURRENT (built today) on amd64 (not converted to UEFI, yet).
Hmmm, the code references point into the boot loader code - I had
expected that there is a problem in the kernel, not the boot loader.
[1] https://svnweb.freebsd.org/base/head/stand/libsa/sbrk.c?view=markup#l56
Seems that setbase has either not been called or has been called with base=0.
[2]
https://svnweb.freebsd.org/base/head/stand/i386/zfsboot/zfsboot.c?view=markup#l688
I had thought, that the zfs boot code has been initialized before the
menu is displayed?
Or do I misunderstand this phase of the boot process???
Regards, STefan
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