Can't load linux64.ko module
Steve Kargl
sgk at troutmask.apl.washington.edu
Wed Apr 4 20:19:57 UTC 2018
On Wed, Apr 04, 2018 at 12:09:02PM -0700, Steve Kargl wrote:
>
> kernel config file contains
>
> options COMPAT_LINUX32
> options COMPAT_LINUXKPI
> options LINPROCFS
>
> When booting, the kernel tries to load the module. A manual
> loading of the module results in
>
> % kldload /boot/kernel/linux64.ko
> kldload: an error occurred while loading module /boot/kernel/linux64.ko.
> Please check dmesg(8) for more details.
> sleepdirt:fvwm:root[203] dmesg | tail -2
> link_elf_obj: symbol elf64_linux_vdso_fixup undefined
> linker_load_file: /boot/kernel/linux64.ko - unsupported file type
>
> Now, that I look at /sys/amd64/conf/NOTES again, I find that
> there is a COMPAT_LINUX as well as the COMPAT_LINUX32. I must
> have conflated that two options into being the same thing.
>
Hmmm, this is interesting. /sys/amd64/conf/NOTES contains
Lines 270-271
# To enable Linuxulator support, one must also include COMPAT_LINUX in the
# config as well. The other option is to load both as modules.
And then lines 636-637
# Enable Linux ABI emulation
#XXX#options COMPAT_LINUX
with no explanation of the #XXX notations. So, building the
kernel with COMPAT_LINUX gives
===> SLEEPDIRT
mkdir -p /usr/obj/usr/src/amd64.amd64/sys
--------------------------------------------------------------
>>> stage 1: configuring the kernel
--------------------------------------------------------------
cd /usr/src/sys/amd64/conf; PATH=/usr/obj/usr/src/amd64.amd64/tmp/legacy/usr/sbin:/usr/obj/usr/src/amd64.amd64/tmp/legacy/usr/bin:/usr/obj/usr/src/amd64.amd64/tmp/legacy/bin:/usr/obj/usr/src/amd64.amd64/tmp/usr/sbin:/usr/obj/usr/src/amd64.amd64/tmp/usr/bin:/sbin:/bin:/usr/sbin:/usr/bin config -d /usr/obj/usr/src/amd64.amd64/sys/SLEEPDIRT -I '/usr/src/sys/amd64/conf' '/usr/src/sys/amd64/conf/SLEEPDIRT'
/usr/src/sys/amd64/conf/SLEEPDIRT: unknown option "COMPAT_LINUX"
*** [buildkernel] Error code 1
make[1]: stopped in /usr/src
1 error
I guess XXX means Linux emulation isn't supported. Bummer.
--
Steve
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