Hi,
jool-dkms fails to build a module for Linux 7.2 in experimental:
DKMS (dkms-3.2.2) make.log for jool/4.1.15 for kernel 7.2-amd64 (x86_64)
Wed Sep 2 19:35:37 UTC 2026
Building module(s)
# command: make -j14 KERNELRELEASE=7.2-amd64 -C /lib/modules/7.2-amd64/build M=/var/lib/dkms/jool/4.1.15/build/src/mod/common modules && make -C /lib/modules/7.2-amd64/build M=/var/lib/dkms/jool/4.1.15/build/src/mod/nat64 modules && make -C /lib/modules/7.2-
amd64/build M=/var/lib/dkms/jool/4.1.15/build/src/mod/siit modules
make: Entering directory '/usr/src/linux-headers-7.2-amd64'
make[1]: Entering directory '/var/lib/dkms/jool/4.1.15/build/src/mod/common'
CC [M] rfc7915/4to6.o
CC [M] rfc7915/6to4.o
CC [M] rfc7915/common.o
CC [M] rfc7915/core.o
CC [M] address_xlat.o
CC [M] dev.o
CC [M] kernel_hook_netfilter.o
CC [M] kernel_hook_iptables.o
CC [M] log.o
CC [M] address.o
CC [M] atomic_config.o
CC [M] icmp_wrapper.o
CC [M] init.o
CC [M] ipv6_hdr_iterator.o
CC [M] joold.o
CC [M] packet.o
CC [M] rfc6052.o
CC [M] rtrie.o
CC [M] stats.o
CC [M] types.o
CC [M] translation_state.o
CC [M] route_out.o
CC [M] skbuff.o
CC [M] core.o
CC [M] error_pool.o
CC [M] timer.o
CC [M] trace.o
CC [M] wkmalloc.o
CC [M] wrapper-config.o
CC [M] wrapper-global.o
CC [M] wrapper-types.o
CC [M] xlator.o
CC [M] steps/send_packet.o
CC [M] nl/address.o
CC [M] nl/atomic_config.o
CC [M] nl/attribute.o
CC [M] nl/nl_handler.o
CC [M] nl/nl_core.o
CC [M] nl/bib.o
CC [M] nl/denylist4.o
CC [M] nl/eam.o
CC [M] nl/global.o
CC [M] nl/instance.o
CC [M] nl/joold.o
CC [M] nl/nl_common.o
CC [M] nl/pool4.o
CC [M] nl/session.o
CC [M] nl/stats.o
CC [M] db/denylist4.o
CC [M] db/global.o
CC [M] db/eam.o
CC [M] db/rbtree.o
CC [M] db/rfc6791v4.o
CC [M] db/rfc6791v6.o
CC [M] db/pool4/empty.o
CC [M] db/pool4/db.o
CC [M] db/pool4/rfc6056.o
CC [M] db/bib/db.o
CC [M] db/bib/entry.o
CC [M] db/bib/pkt_queue.o
CC [M] steps/determine_incoming_tuple.o
CC [M] steps/filtering_and_updating.o
CC [M] steps/compute_outgoing_tuple.o
CC [M] steps/compute_outgoing_tuple_siit.o
CC [M] steps/handling_hairpinning_siit.o
CC [M] steps/handling_hairpinning_nat64.o
LD [M] jool_common.o
MODPOST Module.symvers
ERROR: modpost: "snmp_fold_field" [jool_common.ko] undefined!
make[3]: *** [/usr/src/linux-headers-7.2-common/scripts/Makefile.modpost:147: Module.symvers] Error 1
make[2]: *** [/usr/src/linux-headers-7.2-common/Makefile:2161: modpost] Error 2
make[1]: *** [/usr/src/linux-headers-7.2-common/Makefile:260: __sub-make] Error 2
make[1]: Leaving directory '/var/lib/dkms/jool/4.1.15/build/src/mod/common'
make: *** [/usr/src/linux-headers-7.2-common/Makefile:260: __sub-make] Error 2
make: Leaving directory '/usr/src/linux-headers-7.2-amd64'
# exit code: 2
# elapsed time: 00:00:18
----------------------------------------------------------------
Andreas