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[Bug 1896927] [NEW] [Potential Regression] lttng module failed to build on 5.4.0-1026-oracle

 

*** This bug is a duplicate of bug 1896781 ***
    https://bugs.launchpad.net/bugs/1896781

Public bug reported:

Issue found on 5.4.0-1026-oracle in -proposed

This issue does not exist in 5.4.0-1025-oracle, and can be easily
reproduced when trying to install the lttng-modules-dkms package on this
proposed kernel.

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=<set>
 LANG=C.UTF-8
 SHELL=/bin/bash
SourcePackage: lttng-modules
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: ubuntu-kernel-tests
     Importance: Undecided
         Status: New

** Affects: linux-oracle (Ubuntu)
     Importance: Undecided
         Status: New

** Affects: lttng-modules (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: 5.4 amd64 apport-bug focal kqa-blocker oracle sru-20200921 ubuntu-lttng-smoke-test uec-images

** Also affects: ubuntu-kernel-tests
   Importance: Undecided
       Status: New

** Also affects: linux-oracle (Ubuntu)
   Importance: Undecided
       Status: New

** Tags added: kqa-blocker sru-20200921 ubuntu-lttng-smoke-test

** Tags added: 5.4

** Tags added: oracle

** Description changed:

  Issue found on 5.4.0-1026-oracle in -proposed
+ 
+ This issue does not exist in 5.4.0-1025-oracle, and can be easily
+ reproduced when trying to install the lttng-modules-dkms package on this
+ proposed kernel.
  
  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
+   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
+   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
+   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:
+                  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);
-       |      ^~~~~~
+   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))
-       |  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+    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,    \
-       |  ^~~~~~~~~~~~~~~~~~~~~~~~~~
+    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,
-       | ^~~~~~~~~~~~~~~~~~~~~~
+   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:
+                  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)    \
-       |                     ^~~~~~
+   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),  \
-       |  ^~~~~~~~~~~~~~~
+   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))
-       |  ^~~~~~~~~~~~~
+   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,
-       | ^~~~~~~~~~~
+   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=<set>
-  LANG=C.UTF-8
-  SHELL=/bin/bash
+  TERM=xterm-256color
+  PATH=(custom, no user)
+  XDG_RUNTIME_DIR=<set>
+  LANG=C.UTF-8
+  SHELL=/bin/bash
  SourcePackage: lttng-modules
  UpgradeStatus: No upgrade log present (probably fresh install)

** This bug has been marked a duplicate of bug 1896781
   lttng-modules 2.11.2-1ubuntu0.1 ADT test failure with linux 5.4.0-49.53

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https://bugs.launchpad.net/bugs/1896927

Title:
  [Potential Regression] lttng module failed to build on
  5.4.0-1026-oracle

Status in ubuntu-kernel-tests:
  New
Status in linux-oracle package in Ubuntu:
  New
Status in lttng-modules package in Ubuntu:
  New

Bug description:
  Issue found on 5.4.0-1026-oracle in -proposed

  This issue does not exist in 5.4.0-1025-oracle, and can be easily
  reproduced when trying to install the lttng-modules-dkms package on
  this proposed kernel.

  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=<set>
   LANG=C.UTF-8
   SHELL=/bin/bash
  SourcePackage: lttng-modules
  UpgradeStatus: No upgrade log present (probably fresh install)

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