** Tags added: 6.17 oem ubuntu-lttng-smoke-test ** Tags added: noble
-- You received this bug notification because you are a member of Canonical Platform QA Team, which is subscribed to ubuntu-kernel-tests. https://bugs.launchpad.net/bugs/2122631 Title: DKMS for ubuntu_lttng_smoke_test failed to build on N-6.17 variant (error: conflicting types for ‘trace_sched_process_exit’on ‘uprobe_register’) Status in ubuntu-kernel-tests: New Bug description: Issue found on N/oem-6.17 6.17.0-1002.2, I believe this is affecting other Noble 6.17 variants as well. build log: Running 'cat /var/lib/dkms/lttng-modules/*/build/make.log' DKMS make.log for lttng-modules-2.13.11 for kernel 6.17.0-1002-oem (x86_64) Tue Sep 9 08:39:24 UTC 2025 make: Entering directory '/usr/src/linux-headers-6.17.0-1002-oem' 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 src/probes/Kbuild:27: File /usr/src/linux-headers-6.17.0-1002-oem/mm/slab.h not found. Probe "kmem" is disabled. Use full kernel source tree to enable it. src/probes/Kbuild:81: File /usr/src/linux-headers-6.17.0-1002-oem/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-6.17.0-1002-oem/fs/btrfs/*.h not found. Probe "btrfs" is disabled. Use full kernel source tree to enable it. CC [M] src/lib/ringbuffer/ring_buffer_backend.o src/probes/Kbuild:207: Files /usr/src/linux-headers-6.17.0-1002-oem/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-6.17.0-1002-oem/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-6.17.0-1002-oem/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/probes/../../include/lttng/define_trace.h:87, from src/probes/../../include/instrumentation/events/sched.h:730, from src/probes/lttng-probe-sched.c:28: src/probes/../../include/lttng/tracepoint-event-impl.h:133:6: error: conflicting types for ‘trace_sched_process_exit’; have ‘void(struct task_struct *)’ 133 | void trace_##_name(_proto); | ^~~~~~ src/probes/../../include/lttng/tracepoint-event-impl.h:98:9: note: in expansion of macro ‘LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP’ 98 | LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(template, name, name, PARAMS(proto), PARAMS(args)) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ src/probes/../../include/instrumentation/events/sched.h:474:1: note: in expansion of macro ‘LTTNG_TRACEPOINT_EVENT_INSTANCE’ 474 | LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_process_template, sched_process_exit, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from /usr/src/linux-headers-6.17.0-1002-oem/include/trace/events/sched.h:10, from src/probes/lttng-probe-sched.c:17: /usr/src/linux-headers-6.17.0-1002-oem/include/linux/tracepoint.h:278:28: note: previous definition of ‘trace_sched_process_exit’ with type ‘void(struct task_struct *, bool)’ {aka ‘void(struct task_struct *, _Bool)’} 278 | static inline void trace_##name(proto) \ | ^~~~~~ /usr/src/linux-headers-6.17.0-1002-oem/include/linux/tracepoint.h:481:9: note: in expansion of macro ‘__DECLARE_TRACE’ 481 | __DECLARE_TRACE(name, PARAMS(proto), PARAMS(args), \ | ^~~~~~~~~~~~~~~ /usr/src/linux-headers-6.17.0-1002-oem/include/linux/tracepoint.h:619:9: note: in expansion of macro ‘DECLARE_TRACE_EVENT’ 619 | DECLARE_TRACE_EVENT(name, PARAMS(proto), PARAMS(args)) | ^~~~~~~~~~~~~~~~~~~ /usr/src/linux-headers-6.17.0-1002-oem/include/trace/events/sched.h:335:1: note: in expansion of macro ‘TRACE_EVENT’ 335 | TRACE_EVENT(sched_process_exit, | ^~~~~~~~~~~ make[5]: *** [/usr/src/linux-headers-6.17.0-1002-oem/scripts/Makefile.build:287: src/probes/lttng-probe-sched.o] Error 1 make[4]: *** [/usr/src/linux-headers-6.17.0-1002-oem/scripts/Makefile.build:556: src/probes] Error 2 CC [M] src/lib/ringbuffer/ring_buffer_frontend.o make[4]: *** Waiting for unfinished jobs.... In file included from src/lib/ringbuffer/ring_buffer_frontend.c:54: src/lib/ringbuffer/ring_buffer_frontend.c: In function ‘switch_buffer_timer’: src/lib/../../include/wrapper/timer.h:38:9: error: implicit declaration of function ‘from_timer’; did you mean ‘mod_timer’? [-Werror=implicit-function-declaration] 38 | from_timer(var, callback_timer, timer_fieldname) | ^~~~~~~~~~ src/lib/ringbuffer/ring_buffer_frontend.c:337:48: note: in expansion of macro ‘lttng_from_timer’ 337 | struct lttng_kernel_ring_buffer *buf = lttng_from_timer(buf, t, switch_timer); | ^~~~~~~~~~~~~~~~ src/lib/ringbuffer/ring_buffer_frontend.c:337:73: error: ‘switch_timer’ undeclared (first use in this function); did you mean ‘switch_mode’? 337 | struct lttng_kernel_ring_buffer *buf = lttng_from_timer(buf, t, switch_timer); | ^~~~~~~~~~~~ src/lib/../../include/wrapper/timer.h:38:41: note: in definition of macro ‘lttng_from_timer’ 38 | from_timer(var, callback_timer, timer_fieldname) | ^~~~~~~~~~~~~~~ src/lib/ringbuffer/ring_buffer_frontend.c:337:73: note: each undeclared identifier is reported only once for each function it appears in 337 | struct lttng_kernel_ring_buffer *buf = lttng_from_timer(buf, t, switch_timer); | ^~~~~~~~~~~~ src/lib/../../include/wrapper/timer.h:38:41: note: in definition of macro ‘lttng_from_timer’ 38 | from_timer(var, callback_timer, timer_fieldname) | ^~~~~~~~~~~~~~~ src/lib/ringbuffer/ring_buffer_frontend.c: In function ‘lib_ring_buffer_stop_switch_timer’: src/lib/ringbuffer/ring_buffer_frontend.c:391:9: error: implicit declaration of function ‘del_timer_sync’ [-Werror=implicit-function-declaration] 391 | del_timer_sync(&buf->switch_timer); | ^~~~~~~~~~~~~~ src/lib/ringbuffer/ring_buffer_frontend.c: In function ‘read_buffer_timer’: src/lib/ringbuffer/ring_buffer_frontend.c:400:73: error: ‘read_timer’ undeclared (first use in this function); did you mean ‘vread_iter’? 400 | struct lttng_kernel_ring_buffer *buf = lttng_from_timer(buf, t, read_timer); | ^~~~~~~~~~ src/lib/../../include/wrapper/timer.h:38:41: note: in definition of macro ‘lttng_from_timer’ 38 | from_timer(var, callback_timer, timer_fieldname) | ^~~~~~~~~~~~~~~ src/lib/ringbuffer/ring_buffer_frontend.c: At top level: 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) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors make[5]: *** [/usr/src/linux-headers-6.17.0-1002-oem/scripts/Makefile.build:287: src/lib/ringbuffer/ring_buffer_frontend.o] Error 1 make[5]: *** Waiting for unfinished jobs.... make[4]: *** [/usr/src/linux-headers-6.17.0-1002-oem/scripts/Makefile.build:556: src/lib] Error 2 make[3]: *** [/usr/src/linux-headers-6.17.0-1002-oem/scripts/Makefile.build:556: src] Error 2 make[2]: *** [/usr/src/linux-headers-6.17.0-1002-oem/Makefile:2016: .] Error 2 make[1]: *** [/usr/src/linux-headers-6.17.0-1002-oem/Makefile:248: __sub-make] Error 2 make[1]: Leaving directory '/var/lib/dkms/lttng-modules/2.13.11/build' make: *** [Makefile:248: __sub-make] Error 2 make: Leaving directory '/usr/src/linux-headers-6.17.0-1002-oem' To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-kernel-tests/+bug/2122631/+subscriptions -- Mailing list: https://launchpad.net/~canonical-ubuntu-qa Post to : [email protected] Unsubscribe : https://launchpad.net/~canonical-ubuntu-qa More help : https://help.launchpad.net/ListHelp

