[Pkg-zfsonlinux-devel] Bug#1119915: zfs-dkms: fails building against 6.17.6+deb14-amd64

Giacomo Mulas giacomo.mulas at inaf.it
Sun Nov 2 10:24:33 GMT 2025 

Package: zfs-dkms
Version: 2.3.4-1
Severity: normal
X-Debbugs-Cc: debian-amd64 at lists.debian.org
User: debian-amd64 at lists.debian.org
Usertags: amd64

Dear Maintainer,

with the latest debian sid update, kernel version 6.17.6+deb14-amd64 was automatically pulled in, but zfs-dkms fails to build against it. I attach the make log with the errors.

DKMS (dkms-3.2.2) make.log for zfs/2.3.4 for kernel 6.17.6+deb14-amd64 (x86_64)
dom 2 nov 2025, 11:21:57, CET

Running the pre_build script
# command: cd /var/lib/dkms/zfs/2.3.4/build/ && /var/lib/dkms/zfs/2.3.4/build/configure --disable-dependency-tracking --prefix=/usr --with-config=kernel --with-linux=/lib/modules/6.17.6+deb14-amd64/source --with-linux-obj=/lib/modules/6.17.6+deb14-amd64/build --with-qat= --host= 
checking for gawk... gawk
checking metadata... META file
checking build system type... x86_64-pc-linux-gnu
checking host system type... x86_64-pc-linux-gnu
checking target system type... x86_64-pc-linux-gnu
checking whether to enable maintainer-specific portions of Makefiles... no
checking whether make supports nested variables... yes
checking for a BSD-compatible install... /usr/bin/install -c
checking whether sleep supports fractional seconds... yes
checking filesystem timestamp resolution... 0.01
checking whether build environment is sane... yes
checking for a race-free mkdir -p... /usr/bin/mkdir -p
checking whether make sets $(MAKE)... yes
checking xargs -n works... yes
checking how to print strings... printf
checking whether make supports the include directive... yes (GNU style)
checking for gcc... x86_64-linux-gnu-gcc-15
checking whether the C compiler works... yes
checking for C compiler default output file name... a.out
checking for suffix of executables... 
checking whether we are cross compiling... no
checking for suffix of object files... o
checking whether the compiler supports GNU C... yes
checking whether x86_64-linux-gnu-gcc-15 accepts -g... yes
checking for x86_64-linux-gnu-gcc-15 option to enable C11 features... none needed
checking whether x86_64-linux-gnu-gcc-15 understands -c and -o together... yes
checking dependency style of x86_64-linux-gnu-gcc-15... none
checking for a sed that does not truncate output... /usr/bin/sed
checking for grep that handles long lines and -e... /usr/bin/grep
checking for egrep... /usr/bin/grep -E
checking for fgrep... /usr/bin/grep -F
checking for ld used by x86_64-linux-gnu-gcc-15... /usr/bin/x86_64-linux-gnu-ld
checking if the linker (/usr/bin/x86_64-linux-gnu-ld) is GNU ld... yes
checking for BSD- or MS-compatible name lister (nm)... /usr/bin/nm -B
checking the name lister (/usr/bin/nm -B) interface... BSD nm
checking whether ln -s works... yes
checking the maximum length of command line arguments... 1572864
checking how to convert x86_64-pc-linux-gnu file names to x86_64-pc-linux-gnu format... func_convert_file_noop
checking how to convert x86_64-pc-linux-gnu file names to toolchain format... func_convert_file_noop
checking for /usr/bin/x86_64-linux-gnu-ld option to reload object files... -r
checking for file... file
checking for objdump... objdump
checking how to recognize dependent libraries... pass_all
checking for dlltool... no
checking how to associate runtime and link libraries... printf %s\n
checking for ranlib... ranlib
checking for ar... ar
checking for archiver @FILE support... @
checking for strip... strip
checking command to parse /usr/bin/nm -B output from x86_64-linux-gnu-gcc-15 object... ok
checking for sysroot... no
checking for a working dd... /usr/bin/dd
checking how to truncate binary pipes... /usr/bin/dd bs=4096 count=1
checking for mt... mt
checking if mt is a manifest tool... no
checking for stdio.h... yes
checking for stdlib.h... yes
checking for string.h... yes
checking for inttypes.h... yes
checking for stdint.h... yes
checking for strings.h... yes
checking for sys/stat.h... yes
checking for sys/types.h... yes
checking for unistd.h... yes
checking for dlfcn.h... yes
checking for objdir... .libs
checking if x86_64-linux-gnu-gcc-15 supports -fno-rtti -fno-exceptions... no
checking for x86_64-linux-gnu-gcc-15 option to produce PIC... -fPIC -DPIC
checking if x86_64-linux-gnu-gcc-15 PIC flag -fPIC -DPIC works... yes
checking if x86_64-linux-gnu-gcc-15 static flag -static works... yes
checking if x86_64-linux-gnu-gcc-15 supports -c -o file.o... yes
checking if x86_64-linux-gnu-gcc-15 supports -c -o file.o... (cached) yes
checking whether the x86_64-linux-gnu-gcc-15 linker (/usr/bin/x86_64-linux-gnu-ld -m elf_x86_64) supports shared libraries... yes
checking whether -lc should be explicitly linked in... no
checking dynamic linker characteristics... GNU/Linux ld.so
checking how to hardcode library paths into programs... immediate
checking whether stripping libraries is possible... yes
checking if libtool supports shared libraries... yes
checking whether to build shared libraries... yes
checking whether to build static libraries... yes
checking for gcc... (cached) x86_64-linux-gnu-gcc-15
checking whether the compiler supports GNU C... (cached) yes
checking whether x86_64-linux-gnu-gcc-15 accepts -g... (cached) yes
checking for x86_64-linux-gnu-gcc-15 option to enable C11 features... (cached) none needed
checking whether x86_64-linux-gnu-gcc-15 understands -c and -o together... (cached) yes
checking dependency style of x86_64-linux-gnu-gcc-15... (cached) none
checking whether ln -s works... yes
checking for pkg-config... /usr/bin/pkg-config
checking pkg-config is at least version 0.9.0... yes
checking dependency style of x86_64-linux-gnu-gcc-15... none
checking whether to build with code coverage support... no
checking how to create a pax tar archive... gnutar
checking zfs author... OpenZFS
checking zfs license... CDDL
checking whether NLS is requested... yes
checking for msgfmt... /usr/bin/msgfmt
checking for gmsgfmt... /usr/bin/msgfmt
checking for xgettext... /usr/bin/xgettext
checking for msgmerge... /usr/bin/msgmerge
checking for ld... /usr/bin/x86_64-linux-gnu-ld -m elf_x86_64
checking if the linker (/usr/bin/x86_64-linux-gnu-ld -m elf_x86_64) is GNU ld... yes
checking for shared library run path origin... done
checking 32-bit host C ABI... no
checking for the common suffixes of directories in the library search path... lib,lib
checking zfs config... kernel
checking the number of available CPUs... 12
checking whether x86_64-linux-gnu-gcc-15 supports -Wno-clobbered... yes
checking whether x86_64-linux-gnu-gcc-15 supports -Winfinite-recursion... yes
checking whether x86_64-linux-gnu-gcc-15 supports -Winfinite-recursion... yes
checking whether x86_64-linux-gnu-gcc-15 supports -Wimplicit-fallthrough... yes
checking whether x86_64-linux-gnu-gcc-15 supports -Wframe-larger-than=<size>... yes
checking whether x86_64-linux-gnu-gcc-15 supports -Wno-format-truncation... yes
checking whether x86_64-linux-gnu-gcc-15 supports -Wno-format-zero-length... yes
checking whether x86_64-linux-gnu-gcc-15 supports -Wformat-overflow... yes
checking whether x86_64-linux-gnu-gcc-15 supports -fno-omit-frame-pointer... yes
checking whether x86_64-linux-gnu-gcc-15 supports -fno-ipa-sra... yes
checking whether x86_64-linux-gnu-gcc-15 supports -fno-ipa-sra... yes
checking whether to build with -fsanitize=address support... no
checking whether to build with -fsanitize=undefined support... no
checking whether host toolchain supports SSE... yes
checking whether host toolchain supports SSE2... yes
checking whether host toolchain supports SSE3... yes
checking whether host toolchain supports SSSE3... yes
checking whether host toolchain supports SSE4.1... yes
checking whether host toolchain supports SSE4.2... yes
checking whether host toolchain supports AVX... yes
checking whether host toolchain supports AVX2... yes
checking whether host toolchain supports AVX512F... yes
checking whether host toolchain supports AVX512CD... yes
checking whether host toolchain supports AVX512DQ... yes
checking whether host toolchain supports AVX512BW... yes
checking whether host toolchain supports AVX512IFMA... yes
checking whether host toolchain supports AVX512VBMI... yes
checking whether host toolchain supports AVX512PF... yes
checking whether host toolchain supports AVX512ER... yes
checking whether host toolchain supports AVX512VL... yes
checking whether host toolchain supports AES... yes
checking whether host toolchain supports PCLMULQDQ... yes
checking whether host toolchain supports MOVBE... yes
checking whether host toolchain supports XSAVE... yes
checking whether host toolchain supports XSAVEOPT... yes
checking whether host toolchain supports XSAVES... yes
checking for system type (linux-gnu)... Linux
checking for python3... python3
checking for python version... 3.13
checking for python platform... linux
checking for GNU default python prefix... ${prefix}
checking for GNU default python exec_prefix... ${exec_prefix}
checking for python script directory (pythondir)... ${PYTHON_PREFIX}/lib/python3.13/site-packages
checking for python extension module directory (pyexecdir)... ${PYTHON_EXEC_PREFIX}/lib/python3.13/site-packages
configure: Disabling pyzfs for kernel/srpm config
checking whether to enable pyzfs: ... no
checking for sed --in-place... --in-place
checking for cppcheck... cppcheck
checking for shellcheck... no
checking for checkbashisms... yes
checking for parallel... yes
checking kernel source and build directories... done
checking kernel source directory... /lib/modules/6.17.6+deb14-amd64/source
checking kernel build directory... /lib/modules/6.17.6+deb14-amd64/build
checking kernel source version... 6.17.6+deb14-amd64
configure: error: 
	*** Cannot build against kernel version 6.17.6+deb14-amd64.
	*** The maximum supported kernel version is 6.16.
			

# exit code: 1
# elapsed time: 00:00:03
----------------------------------------------------------------


-- System Information:
Debian Release: forky/sid
  APT prefers unstable
  APT policy: (401, 'unstable'), (10, 'experimental')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 6.16.12+deb14-amd64 (SMP w/12 CPU threads; PREEMPT)
Kernel taint flags: TAINT_PROPRIETARY_MODULE, TAINT_WARN, TAINT_OOT_MODULE, TAINT_UNSIGNED_MODULE
Locale: LANG=it_IT.UTF-8, LC_CTYPE=it_IT.UTF-8 (charmap=UTF-8), LANGUAGE not set
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

Versions of packages zfs-dkms depends on:
ii  debconf [debconf-2.0]  1.5.91
ii  dkms                   3.2.2-1
ii  file                   1:5.46-5
ii  libc6-dev [libc-dev]   2.41-12
ii  libpython3-stdlib      3.13.7-1
ii  lsb-release            12.1-2

Versions of packages zfs-dkms recommends:
ii  linux-libc-dev  6.16.12-2
ii  zfs-zed         2.3.4-1
ii  zfsutils-linux  2.3.4-1

Versions of packages zfs-dkms suggests:
ii  debhelper  13.28

-- debconf information:
* zfs-dkms/note-incompatible-licenses:
  zfs-dkms/stop-build-for-32bit-kernel: true
  zfs-dkms/stop-build-for-unknown-kernel: true

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