** Changed in: dm-writeboost (Ubuntu)
Status: New => Invalid
** Also affects: dm-writeboost (Ubuntu Questing)
Importance: Undecided
Status: New
** Also affects: dm-writeboost (Ubuntu Resolute)
Importance: Undecided
Status: Invalid
** Changed in: dm-writeboost (Ubuntu Questing)
Status: New => Invalid
** Description changed:
[ Impact ]
DKMS make.log for dm-writeboost-2.2.16 for kernel 6.17.0-7-generic (x86_64)
Tue Dec 2 22:37:39 UTC 2025
make -C /lib/modules/6.17.0-7-generic/build
M=/var/lib/dkms/dm-writeboost/2.2.16/build modules
make[1]: Entering directory '/usr/src/linux-headers-6.17.0-7-generic'
make -C /var/lib/dkms/dm-writeboost/2.2.16/build \
-f /usr/src/linux-headers-6.17.0-7-generic/Makefile modules
make[2]: Entering directory '/var/lib/dkms/dm-writeboost/2.2.16/build'
make --no-print-directory -C /var/lib/dkms/dm-writeboost/2.2.16/build \
-f /usr/src/linux-headers-6.17.0-7-generic/Makefile modules
warning: the compiler differs from the one used to build the kernel
The kernel was built by: x86_64-linux-gnu-gcc-13 (Ubuntu
13.3.0-6ubuntu2~24.04) 13.3.0
You are using: gcc-13 (Ubuntu 13.3.0-6ubuntu2~24.04) 13.3.0
make -f /usr/src/linux-headers-6.17.0-7-generic/scripts/Makefile.build obj=.
need-builtin=1 need-modorder=1
# cmd_mod dm-writeboost.mod
printf '%s
' dm-writeboost-target.o dm-writeboost-metadata.o dm-writeboost-daemon.o |
awk '!x[$0]++ { print("./"$0) }' > dm-writeboost.mod
# CC [M] dm-writeboost-target.o
gcc-13 -Wp,-MMD,./.dm-writeboost-target.o.d -nostdinc
-I/usr/src/linux-headers-6.17.0-7-generic/arch/x86/include
-I/usr/src/linux-headers-6.17.0-7-generic/arch/x86/include/generated
-I/usr/src/linux-headers-6.17.0-7-generic/include
-I/usr/src/linux-headers-6.17.0-7-generic/include
-I/usr/src/linux-headers-6.17.0-7-generic/arch/x86/include/uapi
-I/usr/src/linux-headers-6.17.0-7-generic/arch/x86/include/generated/uapi
-I/usr/src/linux-headers-6.17.0-7-generic/include/uapi
-I/usr/src/linux-headers-6.17.0-7-generic/include/generated/uapi -include
/usr/src/linux-headers-6.17.0-7-generic/include/linux/compiler-version.h
-include /usr/src/linux-headers-6.17.0-7-generic/include/linux/kconfig.h
-I/usr/src/linux-headers-6.17.0-7-generic/ubuntu/include -include
/usr/src/linux-headers-6.17.0-7-generic/include/linux/compiler_types.h
-D__KERNEL__ -std=gnu11 -fshort-wchar -funsigned-char -fno-common -fno-PIE
-fno-strict-aliasing -mno-sse -mno-mmx -mno-sse2 -mno-3dnow -mno-avx
-fcf-protection=none -m64 -falign-jumps=1 -falign-loops=1 -mno-80387
-mno-fp-ret-in-387 -mpreferred-stack-boundary=3 -mskip-rax-setup -march=x86-64
-mtune=generic -mno-red-zone -mcmodel=kernel -mstack-protector-guard-reg=gs
-mstack-protector-guard-symbol=__ref_stack_chk_guard -Wno-sign-compare
-fno-asynchronous-unwind-tables -mindirect-branch=thunk-extern
-mindirect-branch-register -mindirect-branch-cs-prefix
-mfunction-return=thunk-extern -fno-jump-tables -mharden-sls=all
-fpatchable-function-entry=16,16 -fno-delete-null-pointer-checks -O2
-fno-allow-store-data-races -fstack-protector-strong -fno-omit-frame-pointer
-fno-optimize-sibling-calls -ftrivial-auto-var-init=zero
-fno-stack-clash-protection -fzero-call-used-regs=used-gpr -pg -mrecord-mcount
-mfentry -DCC_USING_FENTRY -falign-functions=16 -fstrict-flex-arrays=3
-fno-strict-overflow -fno-stack-check -fconserve-stack -fno-builtin-wcslen
-Wall -Wextra -Wundef -Werror=implicit-function-declaration
-Werror=implicit-int -Werror=return-type -Werror=strict-prototypes
-Wno-format-security -Wno-trigraphs -Wno-frame-address
-Wno-address-of-packed-member -Wmissing-declarations -Wmissing-prototypes
-Wframe-larger-than=1024 -Wno-main -Wno-dangling-pointer -Wvla-larger-than=1
-Wno-pointer-sign -Wcast-function-type -Wno-array-bounds -Wno-stringop-overflow
-Wno-alloc-size-larger-than -Wimplicit-fallthrough=5 -Werror=date-time
-Werror=incompatible-pointer-types -Werror=designated-init -Wenum-conversion
-Wunused -Wno-unused-but-set-variable -Wno-unused-const-variable
-Wno-packed-not-aligned -Wno-format-overflow -Wno-format-truncation
-Wno-stringop-truncation -Wno-override-init -Wno-missing-field-initializers
-Wno-type-limits -Wno-shift-negative-value -Wno-maybe-uninitialized
-Wno-sign-compare -Wno-unused-parameter -g -gdwarf-5 -fsanitize=bounds-strict
-fsanitize=shift -fsanitize=bool -fsanitize=enum -DMODULE
-DKBUILD_BASENAME='"dm_writeboost_target"' -DKBUILD_MODNAME='"dm_writeboost"'
-D__KBUILD_MODNAME=kmod_dm_writeboost -c -o dm-writeboost-target.o
dm-writeboost-target.c ;
/usr/src/linux-headers-6.17.0-7-generic/tools/objtool/objtool
--hacks=jump_label --hacks=noinstr --hacks=skylake --retpoline --rethunk --sls
--stackval --static-call --uaccess --prefix=16 --Werror --module
dm-writeboost-target.o
# CC [M] dm-writeboost-metadata.o
gcc-13 -Wp,-MMD,./.dm-writeboost-metadata.o.d -nostdinc
-I/usr/src/linux-headers-6.17.0-7-generic/arch/x86/include
-I/usr/src/linux-headers-6.17.0-7-generic/arch/x86/include/generated
-I/usr/src/linux-headers-6.17.0-7-generic/include
-I/usr/src/linux-headers-6.17.0-7-generic/include
-I/usr/src/linux-headers-6.17.0-7-generic/arch/x86/include/uapi
-I/usr/src/linux-headers-6.17.0-7-generic/arch/x86/include/generated/uapi
-I/usr/src/linux-headers-6.17.0-7-generic/include/uapi
-I/usr/src/linux-headers-6.17.0-7-generic/include/generated/uapi -include
/usr/src/linux-headers-6.17.0-7-generic/include/linux/compiler-version.h
-include /usr/src/linux-headers-6.17.0-7-generic/include/linux/kconfig.h
-I/usr/src/linux-headers-6.17.0-7-generic/ubuntu/include -include
/usr/src/linux-headers-6.17.0-7-generic/include/linux/compiler_types.h
-D__KERNEL__ -std=gnu11 -fshort-wchar -funsigned-char -fno-common -fno-PIE
-fno-strict-aliasing -mno-sse -mno-mmx -mno-sse2 -mno-3dnow -mno-avx
-fcf-protection=none -m64 -falign-jumps=1 -falign-loops=1 -mno-80387
-mno-fp-ret-in-387 -mpreferred-stack-boundary=3 -mskip-rax-setup -march=x86-64
-mtune=generic -mno-red-zone -mcmodel=kernel -mstack-protector-guard-reg=gs
-mstack-protector-guard-symbol=__ref_stack_chk_guard -Wno-sign-compare
-fno-asynchronous-unwind-tables -mindirect-branch=thunk-extern
-mindirect-branch-register -mindirect-branch-cs-prefix
-mfunction-return=thunk-extern -fno-jump-tables -mharden-sls=all
-fpatchable-function-entry=16,16 -fno-delete-null-pointer-checks -O2
-fno-allow-store-data-races -fstack-protector-strong -fno-omit-frame-pointer
-fno-optimize-sibling-calls -ftrivial-auto-var-init=zero
-fno-stack-clash-protection -fzero-call-used-regs=used-gpr -pg -mrecord-mcount
-mfentry -DCC_USING_FENTRY -falign-functions=16 -fstrict-flex-arrays=3
-fno-strict-overflow -fno-stack-check -fconserve-stack -fno-builtin-wcslen
-Wall -Wextra -Wundef -Werror=implicit-function-declaration
-Werror=implicit-int -Werror=return-type -Werror=strict-prototypes
-Wno-format-security -Wno-trigraphs -Wno-frame-address
-Wno-address-of-packed-member -Wmissing-declarations -Wmissing-prototypes
-Wframe-larger-than=1024 -Wno-main -Wno-dangling-pointer -Wvla-larger-than=1
-Wno-pointer-sign -Wcast-function-type -Wno-array-bounds -Wno-stringop-overflow
-Wno-alloc-size-larger-than -Wimplicit-fallthrough=5 -Werror=date-time
-Werror=incompatible-pointer-types -Werror=designated-init -Wenum-conversion
-Wunused -Wno-unused-but-set-variable -Wno-unused-const-variable
-Wno-packed-not-aligned -Wno-format-overflow -Wno-format-truncation
-Wno-stringop-truncation -Wno-override-init -Wno-missing-field-initializers
-Wno-type-limits -Wno-shift-negative-value -Wno-maybe-uninitialized
-Wno-sign-compare -Wno-unused-parameter -g -gdwarf-5 -fsanitize=bounds-strict
-fsanitize=shift -fsanitize=bool -fsanitize=enum -DMODULE
-DKBUILD_BASENAME='"dm_writeboost_metadata"' -DKBUILD_MODNAME='"dm_writeboost"'
-D__KBUILD_MODNAME=kmod_dm_writeboost -c -o dm-writeboost-metadata.o
dm-writeboost-metadata.c ;
/usr/src/linux-headers-6.17.0-7-generic/tools/objtool/objtool
--hacks=jump_label --hacks=noinstr --hacks=skylake --retpoline --rethunk --sls
--stackval --static-call --uaccess --prefix=16 --Werror --module
dm-writeboost-metadata.o
# CC [M] dm-writeboost-daemon.o
gcc-13 -Wp,-MMD,./.dm-writeboost-daemon.o.d -nostdinc
-I/usr/src/linux-headers-6.17.0-7-generic/arch/x86/include
-I/usr/src/linux-headers-6.17.0-7-generic/arch/x86/include/generated
-I/usr/src/linux-headers-6.17.0-7-generic/include
-I/usr/src/linux-headers-6.17.0-7-generic/include
-I/usr/src/linux-headers-6.17.0-7-generic/arch/x86/include/uapi
-I/usr/src/linux-headers-6.17.0-7-generic/arch/x86/include/generated/uapi
-I/usr/src/linux-headers-6.17.0-7-generic/include/uapi
-I/usr/src/linux-headers-6.17.0-7-generic/include/generated/uapi -include
/usr/src/linux-headers-6.17.0-7-generic/include/linux/compiler-version.h
-include /usr/src/linux-headers-6.17.0-7-generic/include/linux/kconfig.h
-I/usr/src/linux-headers-6.17.0-7-generic/ubuntu/include -include
/usr/src/linux-headers-6.17.0-7-generic/include/linux/compiler_types.h
-D__KERNEL__ -std=gnu11 -fshort-wchar -funsigned-char -fno-common -fno-PIE
-fno-strict-aliasing -mno-sse -mno-mmx -mno-sse2 -mno-3dnow -mno-avx
-fcf-protection=none -m64 -falign-jumps=1 -falign-loops=1 -mno-80387
-mno-fp-ret-in-387 -mpreferred-stack-boundary=3 -mskip-rax-setup -march=x86-64
-mtune=generic -mno-red-zone -mcmodel=kernel -mstack-protector-guard-reg=gs
-mstack-protector-guard-symbol=__ref_stack_chk_guard -Wno-sign-compare
-fno-asynchronous-unwind-tables -mindirect-branch=thunk-extern
-mindirect-branch-register -mindirect-branch-cs-prefix
-mfunction-return=thunk-extern -fno-jump-tables -mharden-sls=all
-fpatchable-function-entry=16,16 -fno-delete-null-pointer-checks -O2
-fno-allow-store-data-races -fstack-protector-strong -fno-omit-frame-pointer
-fno-optimize-sibling-calls -ftrivial-auto-var-init=zero
-fno-stack-clash-protection -fzero-call-used-regs=used-gpr -pg -mrecord-mcount
-mfentry -DCC_USING_FENTRY -falign-functions=16 -fstrict-flex-arrays=3
-fno-strict-overflow -fno-stack-check -fconserve-stack -fno-builtin-wcslen
-Wall -Wextra -Wundef -Werror=implicit-function-declaration
-Werror=implicit-int -Werror=return-type -Werror=strict-prototypes
-Wno-format-security -Wno-trigraphs -Wno-frame-address
-Wno-address-of-packed-member -Wmissing-declarations -Wmissing-prototypes
-Wframe-larger-than=1024 -Wno-main -Wno-dangling-pointer -Wvla-larger-than=1
-Wno-pointer-sign -Wcast-function-type -Wno-array-bounds -Wno-stringop-overflow
-Wno-alloc-size-larger-than -Wimplicit-fallthrough=5 -Werror=date-time
-Werror=incompatible-pointer-types -Werror=designated-init -Wenum-conversion
-Wunused -Wno-unused-but-set-variable -Wno-unused-const-variable
-Wno-packed-not-aligned -Wno-format-overflow -Wno-format-truncation
-Wno-stringop-truncation -Wno-override-init -Wno-missing-field-initializers
-Wno-type-limits -Wno-shift-negative-value -Wno-maybe-uninitialized
-Wno-sign-compare -Wno-unused-parameter -g -gdwarf-5 -fsanitize=bounds-strict
-fsanitize=shift -fsanitize=bool -fsanitize=enum -DMODULE
-DKBUILD_BASENAME='"dm_writeboost_daemon"' -DKBUILD_MODNAME='"dm_writeboost"'
-D__KBUILD_MODNAME=kmod_dm_writeboost -c -o dm-writeboost-daemon.o
dm-writeboost-daemon.c ;
/usr/src/linux-headers-6.17.0-7-generic/tools/objtool/objtool
--hacks=jump_label --hacks=noinstr --hacks=skylake --retpoline --rethunk --sls
--stackval --static-call --uaccess --prefix=16 --Werror --module
dm-writeboost-daemon.o
dm-writeboost-target.c: In function ‘writeboost_io_hints’:
dm-writeboost-target.c:1903:9: error: implicit declaration of function
‘blk_limits_io_opt’ [-Werror=implicit-function-declaration]
1903 | blk_limits_io_opt(limits, 4096);
| ^~~~~~~~~~~~~~~~~
# cmd_gen_objtooldep dm-writeboost-daemon.o
{ echo ; echo 'dm-writeboost-daemon.o: $(wildcard
/usr/src/linux-headers-6.17.0-7-generic/tools/objtool/objtool)' ; } >>
./.dm-writeboost-daemon.o.cmd
# cmd_gen_symversions_c dm-writeboost-daemon.o
if nm dm-writeboost-daemon.o 2>/dev/null | grep -q ' __export_symbol_';
then nm dm-writeboost-daemon.o | sed -n 's/.* __export_symbol_\(.*\)//p' |
/usr/src/linux-headers-6.17.0-7-generic/scripts/gendwarfksyms/gendwarfksyms
dm-writeboost-daemon.o >> ./.dm-writeboost-daemon.o.cmd; fi
# cmd_gen_objtooldep dm-writeboost-metadata.o
{ echo ; echo 'dm-writeboost-metadata.o: $(wildcard
/usr/src/linux-headers-6.17.0-7-generic/tools/objtool/objtool)' ; } >>
./.dm-writeboost-metadata.o.cmd
# cmd_gen_symversions_c dm-writeboost-metadata.o
if nm dm-writeboost-metadata.o 2>/dev/null | grep -q ' __export_symbol_';
then nm dm-writeboost-metadata.o | sed -n 's/.* __export_symbol_\(.*\)//p' |
/usr/src/linux-headers-6.17.0-7-generic/scripts/gendwarfksyms/gendwarfksyms
dm-writeboost-metadata.o >> ./.dm-writeboost-metadata.o.cmd; fi
cc1: some warnings being treated as errors
make[4]: ***
[/usr/src/linux-headers-6.17.0-7-generic/scripts/Makefile.build:287:
dm-writeboost-target.o] Error 1
make[3]: *** [/usr/src/linux-headers-6.17.0-7-generic/Makefile:2016: .] Error
2
make[2]: *** [/usr/src/linux-headers-6.17.0-7-generic/Makefile:248:
__sub-make] Error 2
make[2]: Leaving directory '/var/lib/dkms/dm-writeboost/2.2.16/build'
make[1]: *** [Makefile:248: __sub-make] Error 2
make[1]: Leaving directory '/usr/src/linux-headers-6.17.0-7-generic'
make: *** [Makefile:11: all] Error 2
[ Test case ]
Install the latest linux-6.17 kernel on Noble:
$ sudo add-apt-repository ppa:canonical-kernel-team/ppa3
$ sudo apt install linux-generic-hwe-24.04-edge
Install dm-writeboost-dkms:
$ sudo apt install dm-writeboost-dkms
Module built and installed successfully.
Load the module:
$ sudo modprobe dm-writeboost
Modules loaded successfully.
The same procedure can be repeated on linux-6.8 to test for possible
regressions.
[ Fix ]
- Apply patches from dm-writeboost-dkms Questing release enabling 6.17
+ Apply patches from upstream enabling 6.17:
* debian/patches/fix-Dont-use-blk_limits_io-functions-in-6.12.patch
[ Regression potential ]
We may experience regressions in systems that are using the dm-
writeboost drivers, especially with kernels >= 6.8 kernel.
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https://bugs.launchpad.net/bugs/2133756
Title:
dm-writeboost-dkms FTBS in Noble with the linux-6.17-hwe kernel
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