Public bug reported: [ Impact ]
DKMS make.log for lttng-modules-2.13.11 for kernel 6.14.0-15-generic (x86_64) Mon May 19 15:10:47 UTC 2025 make: Entering directory '/usr/src/linux-headers-6.14.0-15-generic' make[1]: Entering directory '/var/lib/dkms/lttng-modules/2.13.11/build' 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 CC [M] src/lttng-ring-buffer-client-discard.o src/probes/Kbuild:27: File /usr/src/linux-headers-6.14.0-15-generic/mm/slab.h not found. Probe "kmem" is disabled. Use full kernel source tree to enable it. CC [M] src/tests/probes/lttng-test.o CC [M] src/lib/ringbuffer/ring_buffer_backend.o src/probes/Kbuild:81: File /usr/src/linux-headers-6.14.0-15-generic/arch/x86/kvm/lapic.h not found. Probe "kvm" x86-specific is disabled. Use full kernel source tree to enable it. src/probes/Kbuild:188: Files /usr/src/linux-headers-6.14.0-15-generic/fs/btrfs/*.h not found. Probe "btrfs" is disabled. Use full kernel source tree to enable it. src/probes/Kbuild:207: Files /usr/src/linux-headers-6.14.0-15-generic/mm/internal.h not found. Probe "compaction" is disabled. Use full kernel source tree to enable it. src/probes/Kbuild:216: Files /usr/src/linux-headers-6.14.0-15-generic/fs/ext4/*.h not found. Probe "ext4" is disabled. Use full kernel source tree to enable it. src/probes/Kbuild:245: File /usr/src/linux-headers-6.14.0-15-generic/drivers/base/regmap/trace.h not found. Probe "regmap" is disabled. Need Linux 4.1+ kernel source tree to enable it. CC [M] src/probes/lttng-probe-sched.o In file included from src/../include/lttng/events.h:19, from src/../include/lttng/tracer.h:27, from src/lttng-ring-buffer-client-discard.c:11: src/../include/wrapper/uprobes.h: In function ‘wrapper_uprobe_register’: src/../include/wrapper/uprobes.h:28:47: warning: passing argument 3 of ‘uprobe_register’ makes integer from pointer without a cast [-Wint-conversion] 28 | return uprobe_register(inode, offset, uc); | ^~ | | | struct uprobe_consumer * In file included from /usr/src/linux-headers-6.14.0-15-generic/include/linux/mm_types.h:16, from /usr/src/linux-headers-6.14.0-15-generic/include/linux/mmzone.h:22, from /usr/src/linux-headers-6.14.0-15-generic/include/linux/gfp.h:7, from /usr/src/linux-headers-6.14.0-15-generic/include/linux/umh.h:4, from /usr/src/linux-headers-6.14.0-15-generic/include/linux/kmod.h:9, from /usr/src/linux-headers-6.14.0-15-generic/include/linux/module.h:17, from src/lttng-ring-buffer-client-discard.c:10: /usr/src/linux-headers-6.14.0-15-generic/include/linux/uprobes.h:195:82: note: expected ‘loff_t’ {aka ‘long long int’} but argument is of type ‘struct uprobe_consumer *’ 195 | extern struct uprobe *uprobe_register(struct inode *inode, loff_t offset, loff_t ref_ctr_offset, struct uprobe_consumer *uc); | ~~~~~~~^~~~~~~~~~~~~~ src/../include/wrapper/uprobes.h:28:16: error: too few arguments to function ‘uprobe_register’ 28 | return uprobe_register(inode, offset, uc); | ^~~~~~~~~~~~~~~ /usr/src/linux-headers-6.14.0-15-generic/include/linux/uprobes.h:195:23: note: declared here 195 | extern struct uprobe *uprobe_register(struct inode *inode, loff_t offset, loff_t ref_ctr_offset, struct uprobe_consumer *uc); | ^~~~~~~~~~~~~~~ src/../include/wrapper/uprobes.h: In function ‘wrapper_uprobe_unregister’: src/../include/wrapper/uprobes.h:34:9: error: implicit declaration of function ‘uprobe_unregister’; did you mean ‘uprobe_register’? [-Werror=implicit-function-declaration] 34 | uprobe_unregister(inode, offset, uc); | ^~~~~~~~~~~~~~~~~ | uprobe_register In file included from src/tests/../../include/lttng/events.h:19, from src/tests/probes/lttng-test.c:16: src/tests/../../include/wrapper/uprobes.h: In function ‘wrapper_uprobe_register’: src/tests/../../include/wrapper/uprobes.h:28:47: warning: passing argument 3 of ‘uprobe_register’ makes integer from pointer without a cast [-Wint-conversion] 28 | return uprobe_register(inode, offset, uc); | ^~ | | | struct uprobe_consumer * In file included from /usr/src/linux-headers-6.14.0-15-generic/include/linux/mm_types.h:16, from /usr/src/linux-headers-6.14.0-15-generic/include/linux/mmzone.h:22, from /usr/src/linux-headers-6.14.0-15-generic/include/linux/gfp.h:7, from /usr/src/linux-headers-6.14.0-15-generic/include/linux/umh.h:4, from /usr/src/linux-headers-6.14.0-15-generic/include/linux/kmod.h:9, from /usr/src/linux-headers-6.14.0-15-generic/include/linux/module.h:17, from src/tests/probes/lttng-test.c:11: /usr/src/linux-headers-6.14.0-15-generic/include/linux/uprobes.h:195:82: note: expected ‘loff_t’ {aka ‘long long int’} but argument is of type ‘struct uprobe_consumer *’ 195 | extern struct uprobe *uprobe_register(struct inode *inode, loff_t offset, loff_t ref_ctr_offset, struct uprobe_consumer *uc); | ~~~~~~~^~~~~~~~~~~~~~ src/tests/../../include/wrapper/uprobes.h:28:16: error: too few arguments to function ‘uprobe_register’ 28 | return uprobe_register(inode, offset, uc); | ^~~~~~~~~~~~~~~ /usr/src/linux-headers-6.14.0-15-generic/include/linux/uprobes.h:195:23: note: declared here 195 | extern struct uprobe *uprobe_register(struct inode *inode, loff_t offset, loff_t ref_ctr_offset, struct uprobe_consumer *uc); | ^~~~~~~~~~~~~~~ src/tests/../../include/wrapper/uprobes.h: In function ‘wrapper_uprobe_unregister’: src/tests/../../include/wrapper/uprobes.h:34:9: error: implicit declaration of function ‘uprobe_unregister’; did you mean ‘uprobe_register’? [-Werror=implicit-function-declaration] 34 | uprobe_unregister(inode, offset, uc); | ^~~~~~~~~~~~~~~~~ | uprobe_register In file included from src/probes/../../include/lttng/events.h:19, from src/probes/../../include/lttng/tracer.h:27, from src/probes/lttng-probe-sched.c:11: src/probes/../../include/wrapper/uprobes.h: In function ‘wrapper_uprobe_register’: src/probes/../../include/wrapper/uprobes.h:28:47: warning: passing argument 3 of ‘uprobe_register’ makes integer from pointer without a cast [-Wint-conversion] 28 | return uprobe_register(inode, offset, uc); | ^~ | | | struct uprobe_consumer * In file included from /usr/src/linux-headers-6.14.0-15-generic/include/linux/mm_types.h:16, from /usr/src/linux-headers-6.14.0-15-generic/include/linux/mmzone.h:22, from /usr/src/linux-headers-6.14.0-15-generic/include/linux/gfp.h:7, from /usr/src/linux-headers-6.14.0-15-generic/include/linux/umh.h:4, from /usr/src/linux-headers-6.14.0-15-generic/include/linux/kmod.h:9, from /usr/src/linux-headers-6.14.0-15-generic/include/linux/module.h:17, from src/probes/lttng-probe-sched.c:10: /usr/src/linux-headers-6.14.0-15-generic/include/linux/uprobes.h:195:82: note: expected ‘loff_t’ {aka ‘long long int’} but argument is of type ‘struct uprobe_consumer *’ 195 | extern struct uprobe *uprobe_register(struct inode *inode, loff_t offset, loff_t ref_ctr_offset, struct uprobe_consumer *uc); | ~~~~~~~^~~~~~~~~~~~~~ src/probes/../../include/wrapper/uprobes.h:28:16: error: too few arguments to function ‘uprobe_register’ 28 | return uprobe_register(inode, offset, uc); | ^~~~~~~~~~~~~~~ /usr/src/linux-headers-6.14.0-15-generic/include/linux/uprobes.h:195:23: note: declared here 195 | extern struct uprobe *uprobe_register(struct inode *inode, loff_t offset, loff_t ref_ctr_offset, struct uprobe_consumer *uc); | ^~~~~~~~~~~~~~~ src/probes/../../include/wrapper/uprobes.h: In function ‘wrapper_uprobe_unregister’: src/probes/../../include/wrapper/uprobes.h:34:9: error: implicit declaration of function ‘uprobe_unregister’; did you mean ‘uprobe_register’? [-Werror=implicit-function-declaration] 34 | uprobe_unregister(inode, offset, uc); | ^~~~~~~~~~~~~~~~~ | uprobe_register cc1: some warnings being treated as errors make[4]: *** [/usr/src/linux-headers-6.14.0-15-generic/scripts/Makefile.build:207: src/lttng-ring-buffer-client-discard.o] Error 1 make[4]: *** Waiting for unfinished jobs.... CC [M] src/lib/ringbuffer/ring_buffer_frontend.o cc1: some warnings being treated as errors make[5]: *** [/usr/src/linux-headers-6.14.0-15-generic/scripts/Makefile.build:207: src/tests/probes/lttng-test.o] Error 1 make[4]: *** [/usr/src/linux-headers-6.14.0-15-generic/scripts/Makefile.build:465: src/tests] Error 2 CC [M] src/lib/ringbuffer/ring_buffer_iterator.o cc1: some warnings being treated as errors make[5]: *** [/usr/src/linux-headers-6.14.0-15-generic/scripts/Makefile.build:207: src/probes/lttng-probe-sched.o] Error 1 make[4]: *** [/usr/src/linux-headers-6.14.0-15-generic/scripts/Makefile.build:465: src/probes] Error 2 CC [M] src/lib/ringbuffer/ring_buffer_vfs.o src/lib/ringbuffer/ring_buffer_frontend.c:2409:12: warning: no previous prototype for ‘init_lib_ring_buffer_frontend’ [-Wmissing-prototypes] 2409 | int __init init_lib_ring_buffer_frontend(void) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ src/lib/ringbuffer/ring_buffer_frontend.c:2420:13: warning: no previous prototype for ‘exit_lib_ring_buffer_frontend’ [-Wmissing-prototypes] 2420 | void __exit exit_lib_ring_buffer_frontend(void) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from src/lib/../../include/lttng/events.h:19, from src/lib/../../include/lttng/tracer.h:27, from src/lib/ringbuffer/ring_buffer_vfs.c:18: src/lib/../../include/wrapper/uprobes.h: In function ‘wrapper_uprobe_register’: src/lib/../../include/wrapper/uprobes.h:28:47: warning: passing argument 3 of ‘uprobe_register’ makes integer from pointer without a cast [-Wint-conversion] 28 | return uprobe_register(inode, offset, uc); | ^~ | | | struct uprobe_consumer * In file included from /usr/src/linux-headers-6.14.0-15-generic/include/linux/mm_types.h:16, from /usr/src/linux-headers-6.14.0-15-generic/include/linux/mmzone.h:22, from /usr/src/linux-headers-6.14.0-15-generic/include/linux/gfp.h:7, from /usr/src/linux-headers-6.14.0-15-generic/include/linux/umh.h:4, from /usr/src/linux-headers-6.14.0-15-generic/include/linux/kmod.h:9, from /usr/src/linux-headers-6.14.0-15-generic/include/linux/module.h:17, from src/lib/ringbuffer/ring_buffer_vfs.c:10: /usr/src/linux-headers-6.14.0-15-generic/include/linux/uprobes.h:195:82: note: expected ‘loff_t’ {aka ‘long long int’} but argument is of type ‘struct uprobe_consumer *’ 195 | extern struct uprobe *uprobe_register(struct inode *inode, loff_t offset, loff_t ref_ctr_offset, struct uprobe_consumer *uc); | ~~~~~~~^~~~~~~~~~~~~~ src/lib/../../include/wrapper/uprobes.h:28:16: error: too few arguments to function ‘uprobe_register’ 28 | return uprobe_register(inode, offset, uc); | ^~~~~~~~~~~~~~~ /usr/src/linux-headers-6.14.0-15-generic/include/linux/uprobes.h:195:23: note: declared here 195 | extern struct uprobe *uprobe_register(struct inode *inode, loff_t offset, loff_t ref_ctr_offset, struct uprobe_consumer *uc); | ^~~~~~~~~~~~~~~ src/lib/../../include/wrapper/uprobes.h: In function ‘wrapper_uprobe_unregister’: src/lib/../../include/wrapper/uprobes.h:34:9: error: implicit declaration of function ‘uprobe_unregister’; did you mean ‘uprobe_register’? [-Werror=implicit-function-declaration] 34 | uprobe_unregister(inode, offset, uc); | ^~~~~~~~~~~~~~~~~ | uprobe_register cc1: some warnings being treated as errors make[5]: *** [/usr/src/linux-headers-6.14.0-15-generic/scripts/Makefile.build:207: src/lib/ringbuffer/ring_buffer_vfs.o] Error 1 make[5]: *** Waiting for unfinished jobs.... make[4]: *** [/usr/src/linux-headers-6.14.0-15-generic/scripts/Makefile.build:465: src/lib] Error 2 make[3]: *** [/usr/src/linux-headers-6.14.0-15-generic/scripts/Makefile.build:465: src] Error 2 make[2]: *** [/usr/src/linux-headers-6.14.0-15-generic/Makefile:1999: .] Error 2 make[1]: *** [/usr/src/linux-headers-6.14.0-15-generic/Makefile:251: __sub-make] Error 2 make[1]: Leaving directory '/var/lib/dkms/lttng-modules/2.13.11/build' make: *** [Makefile:251: __sub-make] Error 2 make: Leaving directory '/usr/src/linux-headers-6.14.0-15-generic' [ Test case ] Install the latest linux-6.14 kernel on Noble: $ sudo add-apt-repository ppa:canonical-kernel-team/ppa $ sudo apt install linux-generic-hwe-24.04-wip Install lttng-modules-dkms: $ sudo apt install lttng-modules-dkms Load the module: $ sudo modprobe lttng-test The same procedure can be repeated on linux-6.8 to test for possible regressions. [ Fix ] Apply patches from -dkms from Plucky release: * debian/patches/ [ Regression potential ] We may experience regressions in systems that are using the lttng- modules drivers, especially with kernels >= 6.8 kernel. ** Affects: lttng-modules (Ubuntu) Importance: Undecided Status: New ** Affects: lttng-modules (Ubuntu Noble) Importance: Undecided Assignee: John Cabaj (john-cabaj) Status: In Progress ** Also affects: lttng-modules (Ubuntu Noble) Importance: Undecided Status: New ** Changed in: lttng-modules (Ubuntu Noble) Status: New => In Progress ** Changed in: lttng-modules (Ubuntu Noble) Assignee: (unassigned) => John Cabaj (john-cabaj) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2111275 Title: lttng-modules-dkms FTBS in Noble with the linux-6.14-hwe kernel To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/lttng-modules/+bug/2111275/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs