Nope. It still gives me the same issue.it should be defined in opensolaris.ko
nm /boot/kernel.old/opensolaris.ko |grep zfs_kmem_alloc
mountroot: waiting for device /dev/iso9660/12_2_RELEASE_SPARC64_CD...
Starting file system checks:
Mounting local filesystems:.
ELF ldconfig path: /lib /usr/lib /usr/lib/compat
random: unblocking device.
Building /boot/kernel/linker.hints
kldxref: can't create /boot/lhint.qqBBtO: Read-only file system
devmatch: Can't read linker hints file.
/etc/rc: WARNING: $hostname is not set -- see rc.conf(5).
Setting up harvesting: [UMA],[FS_ATIME],SWI,INTERRUPT,NET_NG,NET_ETHER,NET_TUN,MOUSE,KEYBOARD,ATTACH,CACHED
mountroot: waiting for device /dev/iso9660/12_3_RELEASE_SPARC64_CD...
Starting file system checks:
Generating host.conf.
eval: cannot create /etc/host.conf: Read-only file system
eval: cannot create /etc/host.conf: Read-only file system
eval: cannot create /etc/host.conf: Read-only file system
Mounting local filesystems:.
mdmfs: tmpfs mount exited with error code 1
cp: /var/log/utx.lastlogin: Read-only file system
chmod: /var/log/utx.lastlogin: No such file or directory
cp: /var/log/utx.log: Read-only file system
chmod: /var/log/utx.log: No such file or directory
eval: cannot create /var/run/clean_var: Read-only file system
eval: cannot create /var/spool/lock/clean_var: Read-only file system
ELF ldconfig path: /lib /usr/lib /usr/lib/compat
random: unblocking device.
ldconfig: mkstemp(/var/run/ld-elf.so.hints.M0uhf8): Read-only file system
Building /boot/kernel/linker.hints
kldxref: can't create /boot/lhint.vNDF5g: Read-only file system
FreeBSD 12.3-RELEASE blows up at the mdmfs: tmpfs point.
1d21fe9cea3f530b4cfca495632d5a1595a32270
70cb68e7a00ac0310a2d0ca428c1d5018e6d39e1
Removed support for the sparc64 architecture (SPARC 9). 58aa35d42975