On Wed, Apr 04, 2018 at 02:13:15PM -0700, Steve Kargl wrote:
>
> OK, so where is elf64_linux_vdso_fixup suppose to come from?
>
The answer is compat/linux/linux_vdso.c where we find
#if defined(__i386__) || (defined(__amd64__) && defined(COMPAT_LINUX32))
#define __ELF_WORD_SIZE 32
#else
#define __ELF_WORD_SIZE 64
#endif
having COMPAT_LINUX32 in my kernel config file gives me
elf32_linux_vdso_fixup. It seems that one cannot have
a kernel that supports both 32 and 64-bit linux software.
linux(4) states
for an amd64 kernel use:
options COMPAT_LINUX32
Alternatively, to load the ABI as a module at boot time, place the
following line in loader.conf(5):
linux_load="YES"
It turns out that I have 'linux_load=YES" in /etc/loader.conf.
When I boot the kernel built with COMPAT_LINUX32 prevents
the kldload of linux64.ko.
Oh well, learn something new everyday.
--
Steve
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