Issue found on 5.4.0-1026-oracle in -proposed The lttng module build failed with: $ cat /var/lib/dkms/lttng-modules/2.11.2/build/make.log DKMS make.log for lttng-modules-2.11.2 for kernel 5.4.0-1026-oracle (x86_64) Thu Sep 24 09:46:40 UTC 2020 make: Entering directory '/usr/src/linux-headers-5.4.0-1026-oracle' find: ‘/var/lib/dkms/lttng-modules/2.11.2/build/extra_version/patches/’: No such file or directory find: ‘/var/lib/dkms/lttng-modules/2.11.2/build/lib/../extra_version/patches/’: No such file or directory find: ‘/var/lib/dkms/lttng-modules/2.11.2/build/probes/../extra_version/patches/’: No such file or directory /var/lib/dkms/lttng-modules/2.11.2/build/probes/Kbuild:50: File ./arch/x86/kvm/lapic.h not found. Probe "kvm" x86-specific is disabled. Use full kernel source tree to enable it. CC [M] /var/lib/dkms/lttng-modules/2.11.2/build/lib/ringbuffer/ring_buffer_backend.o /var/lib/dkms/lttng-modules/2.11.2/build/probes/Kbuild:175: Files ./fs/btrfs/*.h not found. Probe "btrfs" is disabled. Use full kernel source tree to enable it. /var/lib/dkms/lttng-modules/2.11.2/build/probes/Kbuild:191: Files ./fs/ext4/*.h not found. Probe "ext4" is disabled. Use full kernel source tree to enable it. /var/lib/dkms/lttng-modules/2.11.2/build/probes/Kbuild:224: File ./drivers/base/regmap/trace.h not found. Probe "regmap" is disabled. Need Linux 4.1+ kernel source tree to enable it. /var/lib/dkms/lttng-modules/2.11.2/build/probes/Kbuild:278: Files ./kernel/trace/trace.h not found. Probe "ftrace" is disabled. Use full kernel source tree to enable it. CC [M] /var/lib/dkms/lttng-modules/2.11.2/build/probes/lttng-probe-sched.o CC [M] /var/lib/dkms/lttng-modules/2.11.2/build/lib/ringbuffer/ring_buffer_frontend.o CC [M] /var/lib/dkms/lttng-modules/2.11.2/build/probes/lttng-probe-irq.o CC [M] /var/lib/dkms/lttng-modules/2.11.2/build/probes/lttng-probe-timer.o CC [M] /var/lib/dkms/lttng-modules/2.11.2/build/lib/ringbuffer/ring_buffer_iterator.o CC [M] /var/lib/dkms/lttng-modules/2.11.2/build/lib/ringbuffer/ring_buffer_vfs.o CC [M] /var/lib/dkms/lttng-modules/2.11.2/build/probes/lttng-probe-kmem.o CC [M] /var/lib/dkms/lttng-modules/2.11.2/build/lib/ringbuffer/ring_buffer_splice.o CC [M] /var/lib/dkms/lttng-modules/2.11.2/build/probes/lttng-probe-module.o CC [M] /var/lib/dkms/lttng-modules/2.11.2/build/lib/ringbuffer/ring_buffer_mmap.o CC [M] /var/lib/dkms/lttng-modules/2.11.2/build/lib/prio_heap/lttng_prio_heap.o CC [M] /var/lib/dkms/lttng-modules/2.11.2/build/probes/lttng-probe-power.o CC [M] /var/lib/dkms/lttng-modules/2.11.2/build/lib/../wrapper/splice.o LD [M] /var/lib/dkms/lttng-modules/2.11.2/build/lib/lttng-lib-ring-buffer.o find: ‘/var/lib/dkms/lttng-modules/2.11.2/build/tests/../extra_version/patches/’: No such file or directory CC [M] /var/lib/dkms/lttng-modules/2.11.2/build/tests/probes/lttng-test.o CC [M] /var/lib/dkms/lttng-modules/2.11.2/build/probes/lttng-probe-statedump.o CC [M] /var/lib/dkms/lttng-modules/2.11.2/build/tests/clock-plugin/lttng-clock-plugin-test.o LD [M] /var/lib/dkms/lttng-modules/2.11.2/build/tests/lttng-test.o LD [M] /var/lib/dkms/lttng-modules/2.11.2/build/tests/lttng-clock-plugin-test.o CC [M] /var/lib/dkms/lttng-modules/2.11.2/build/lttng-ring-buffer-client-discard.o CC [M] /var/lib/dkms/lttng-modules/2.11.2/build/probes/lttng-probe-9p.o CC [M] /var/lib/dkms/lttng-modules/2.11.2/build/probes/lttng-probe-i2c.o CC [M] /var/lib/dkms/lttng-modules/2.11.2/build/lttng-ring-buffer-client-overwrite.o CC [M] /var/lib/dkms/lttng-modules/2.11.2/build/probes/lttng-probe-kvm.o CC [M] /var/lib/dkms/lttng-modules/2.11.2/build/lttng-ring-buffer-metadata-client.o CC [M] /var/lib/dkms/lttng-modules/2.11.2/build/lttng-ring-buffer-client-mmap-discard.o CC [M] /var/lib/dkms/lttng-modules/2.11.2/build/probes/lttng-probe-x86-irq-vectors.o CC [M] /var/lib/dkms/lttng-modules/2.11.2/build/lttng-ring-buffer-client-mmap-overwrite.o CC [M] /var/lib/dkms/lttng-modules/2.11.2/build/probes/lttng-probe-x86-exceptions.o CC [M] /var/lib/dkms/lttng-modules/2.11.2/build/probes/lttng-probe-signal.o CC [M] /var/lib/dkms/lttng-modules/2.11.2/build/lttng-ring-buffer-metadata-mmap-client.o CC [M] /var/lib/dkms/lttng-modules/2.11.2/build/probes/lttng-probe-block.o CC [M] /var/lib/dkms/lttng-modules/2.11.2/build/lttng-clock.o CC [M] /var/lib/dkms/lttng-modules/2.11.2/build/lttng-events.o CC [M] /var/lib/dkms/lttng-modules/2.11.2/build/probes/lttng-probe-napi.o CC [M] /var/lib/dkms/lttng-modules/2.11.2/build/lttng-abi.o CC [M] /var/lib/dkms/lttng-modules/2.11.2/build/probes/lttng-probe-skb.o CC [M] /var/lib/dkms/lttng-modules/2.11.2/build/lttng-string-utils.o CC [M] /var/lib/dkms/lttng-modules/2.11.2/build/lttng-probes.o CC [M] /var/lib/dkms/lttng-modules/2.11.2/build/probes/lttng-probe-net.o CC [M] /var/lib/dkms/lttng-modules/2.11.2/build/lttng-context.o CC [M] /var/lib/dkms/lttng-modules/2.11.2/build/lttng-context-pid.o CC [M] /var/lib/dkms/lttng-modules/2.11.2/build/probes/lttng-probe-sock.o CC [M] /var/lib/dkms/lttng-modules/2.11.2/build/lttng-context-procname.o CC [M] /var/lib/dkms/lttng-modules/2.11.2/build/lttng-context-prio.o CC [M] /var/lib/dkms/lttng-modules/2.11.2/build/probes/lttng-probe-udp.o CC [M] /var/lib/dkms/lttng-modules/2.11.2/build/lttng-context-nice.o CC [M] /var/lib/dkms/lttng-modules/2.11.2/build/lttng-context-vpid.o CC [M] /var/lib/dkms/lttng-modules/2.11.2/build/probes/lttng-probe-asoc.o CC [M] /var/lib/dkms/lttng-modules/2.11.2/build/lttng-context-tid.o CC [M] /var/lib/dkms/lttng-modules/2.11.2/build/lttng-context-vtid.o CC [M] /var/lib/dkms/lttng-modules/2.11.2/build/probes/lttng-probe-gpio.o CC [M] /var/lib/dkms/lttng-modules/2.11.2/build/lttng-context-ppid.o CC [M] /var/lib/dkms/lttng-modules/2.11.2/build/probes/lttng-probe-jbd2.o CC [M] /var/lib/dkms/lttng-modules/2.11.2/build/lttng-context-vppid.o CC [M] /var/lib/dkms/lttng-modules/2.11.2/build/lttng-context-cpu-id.o CC [M] /var/lib/dkms/lttng-modules/2.11.2/build/probes/lttng-probe-regulator.o CC [M] /var/lib/dkms/lttng-modules/2.11.2/build/lttng-context-interruptible.o CC [M] /var/lib/dkms/lttng-modules/2.11.2/build/probes/lttng-probe-scsi.o CC [M] /var/lib/dkms/lttng-modules/2.11.2/build/lttng-context-need-reschedule.o CC [M] /var/lib/dkms/lttng-modules/2.11.2/build/lttng-context-callstack.o CC [M] /var/lib/dkms/lttng-modules/2.11.2/build/probes/lttng-probe-vmscan.o CC [M] /var/lib/dkms/lttng-modules/2.11.2/build/lttng-calibrate.o CC [M] /var/lib/dkms/lttng-modules/2.11.2/build/lttng-context-hostname.o CC [M] /var/lib/dkms/lttng-modules/2.11.2/build/wrapper/random.o CC [M] /var/lib/dkms/lttng-modules/2.11.2/build/probes/lttng-probe-compaction.o CC [M] /var/lib/dkms/lttng-modules/2.11.2/build/probes/lttng.o CC [M] /var/lib/dkms/lttng-modules/2.11.2/build/probes/lttng-probe-printk.o CC [M] /var/lib/dkms/lttng-modules/2.11.2/build/wrapper/trace-clock.o CC [M] /var/lib/dkms/lttng-modules/2.11.2/build/wrapper/page_alloc.o CC [M] /var/lib/dkms/lttng-modules/2.11.2/build/probes/lttng-probe-random.o CC [M] /var/lib/dkms/lttng-modules/2.11.2/build/lttng-tracker-pid.o CC [M] /var/lib/dkms/lttng-modules/2.11.2/build/probes/lttng-probe-rcu.o CC [M] /var/lib/dkms/lttng-modules/2.11.2/build/lttng-filter.o CC [M] /var/lib/dkms/lttng-modules/2.11.2/build/probes/lttng-probe-sunrpc.o CC [M] /var/lib/dkms/lttng-modules/2.11.2/build/lttng-filter-interpreter.o CC [M] /var/lib/dkms/lttng-modules/2.11.2/build/lttng-filter-specialize.o CC [M] /var/lib/dkms/lttng-modules/2.11.2/build/probes/lttng-probe-v4l2.o CC [M] /var/lib/dkms/lttng-modules/2.11.2/build/lttng-filter-validator.o CC [M] /var/lib/dkms/lttng-modules/2.11.2/build/probes/lttng-probe-workqueue.o CC [M] /var/lib/dkms/lttng-modules/2.11.2/build/probes/lttng-probe-user.o CC [M] /var/lib/dkms/lttng-modules/2.11.2/build/probes/lttng-probe-writeback.o CC [M] /var/lib/dkms/lttng-modules/2.11.2/build/lttng-tp-mempool.o CC [M] /var/lib/dkms/lttng-modules/2.11.2/build/lttng-syscalls.o In file included from /var/lib/dkms/lttng-modules/2.11.2/build/probes/../probes/define_trace.h:87, from /var/lib/dkms/lttng-modules/2.11.2/build/probes/../instrumentation/events/lttng-module/writeback.h:736, from /var/lib/dkms/lttng-modules/2.11.2/build/probes/lttng-probe-writeback.c:38: /var/lib/dkms/lttng-modules/2.11.2/build/probes/../probes/lttng-tracepoint-event-impl.h:130:6: error: conflicting types for ‘trace_writeback_queue_io’ 130 | void trace_##_name(_proto); | ^~~~~~ /var/lib/dkms/lttng-modules/2.11.2/build/probes/../probes/lttng-tracepoint-event-impl.h:42:2: note: in expansion of macro ‘LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP’ 42 | LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(map, name, map, PARAMS(proto), PARAMS(args)) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /var/lib/dkms/lttng-modules/2.11.2/build/probes/../probes/lttng-tracepoint-event-impl.h:84:2: note: in expansion of macro ‘LTTNG_TRACEPOINT_EVENT_MAP’ 84 | LTTNG_TRACEPOINT_EVENT_MAP(name, name, \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~ /var/lib/dkms/lttng-modules/2.11.2/build/probes/../instrumentation/events/lttng-module/writeback.h:376:1: note: in expansion of macro ‘LTTNG_TRACEPOINT_EVENT’ 376 | LTTNG_TRACEPOINT_EVENT(writeback_queue_io, | ^~~~~~~~~~~~~~~~~~~~~~ In file included from ./include/trace/events/writeback.h:8, from /var/lib/dkms/lttng-modules/2.11.2/build/probes/lttng-probe-writeback.c:20: ./include/linux/tracepoint.h:233:21: note: previous definition of ‘trace_writeback_queue_io’ was here 233 | static inline void trace_##name(proto) \ | ^~~~~~ ./include/linux/tracepoint.h:396:2: note: in expansion of macro ‘__DECLARE_TRACE’ 396 | __DECLARE_TRACE(name, PARAMS(proto), PARAMS(args), \ | ^~~~~~~~~~~~~~~ ./include/linux/tracepoint.h:532:2: note: in expansion of macro ‘DECLARE_TRACE’ 532 | DECLARE_TRACE(name, PARAMS(proto), PARAMS(args)) | ^~~~~~~~~~~~~ ./include/trace/events/writeback.h:499:1: note: in expansion of macro ‘TRACE_EVENT’ 499 | TRACE_EVENT(writeback_queue_io, | ^~~~~~~~~~~ make[2]: *** [scripts/Makefile.build:275: /var/lib/dkms/lttng-modules/2.11.2/build/probes/lttng-probe-writeback.o] Error 1 make[1]: *** [scripts/Makefile.build:522: /var/lib/dkms/lttng-modules/2.11.2/build/probes] Error 2 make[1]: *** Waiting for unfinished jobs.... make: *** [Makefile:1757: /var/lib/dkms/lttng-modules/2.11.2/build] Error 2 make: Leaving directory '/usr/src/linux-headers-5.4.0-1026-oracle' ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: lttng-modules-dkms 2.11.2-1ubuntu0.1 ProcVersionSignature: User Name 5.4.0-1026.26-oracle 5.4.65 Uname: Linux 5.4.0-1026-oracle x86_64 ApportVersion: 2.20.11-0ubuntu27.9 Architecture: amd64 CasperMD5CheckResult: skip Date: Thu Sep 24 09:49:02 2020 PackageArchitecture: all ProcEnviron: TERM=xterm-256color PATH=(custom, no user) XDG_RUNTIME_DIR= LANG=C.UTF-8 SHELL=/bin/bash SourcePackage: lttng-modules UpgradeStatus: No upgrade log present (probably fresh install)