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[Bug 2004644] Re: ubuntu_lttng_smoke_test failed with wrong jbd format on 5.4.0-143.160

 

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

** Also affects: lttng-modules (Ubuntu Focal)
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/2004644

Title:
  ubuntu_lttng_smoke_test failed with wrong jbd format on 5.4.0-143.160

Status in ubuntu-kernel-tests:
  New
Status in lttng-modules package in Ubuntu:
  New
Status in lttng-modules source package in Focal:
  New

Bug description:
  [SRU Justification]

  Impact: Upstream stable added a change in the format of jbd2 in 5.4.229.
  This is incompatible with the current changes in the lttng-module.

  Fix: Picking 4 patches from upstream lttng-modules which handle the changed interface as well as add the required code to enable that change for other versions as well: 
  LTTNG_KERNEL_RANGE(5,4,229, 5,5,0)
  LTTNG_KERNEL_RANGE(5,10,163, 5,11,0) 
  LTTNG_KERNEL_RANGE(5,15,87, 5,16,0) 
  LTTNG_KERNEL_RANGE(6,0,18, 6,1,0) 
  LTTNG_KERNEL_RANGE(6,1,4, 6,2,0)

  Tescase: lttng-smoke-test fail to compile with the error from below

  
  Regression potential: We may notice regressions with lttng-modules on kernels < 5.4.229

  760 	  	21:14:39 DEBUG| [stdout] In file included from /var/lib/dkms/lttng-modules/2.12.5/build/probes/../probes/define_trace.h:87,
    	  	761 	  	21:14:39 DEBUG| [stdout]                  from /var/lib/dkms/lttng-modules/2.12.5/build/probes/../instrumentation/events/lttng-module/jbd2.h:177,
    	  	762 	  	21:14:39 DEBUG| [stdout]                  from /var/lib/dkms/lttng-modules/2.12.5/build/probes/lttng-probe-jbd2.c:29:
    	  	763 	  	21:14:39 DEBUG| [stdout] /var/lib/dkms/lttng-modules/2.12.5/build/probes/../probes/lttng-tracepoint-event-impl.h:131:6: error: conflicting types for ‘trace_jbd2_run_stats’
    	  	764 	  	21:14:39 DEBUG| [stdout]   131 | void trace_##_name(_proto);
    	  	765 	  	21:14:39 DEBUG| [stdout]       |      ^~~~~~
    	  	766 	  	21:14:39 DEBUG| [stdout] /var/lib/dkms/lttng-modules/2.12.5/build/probes/../probes/lttng-tracepoint-event-impl.h:43:2: note: in expansion of macro ‘LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP’
    	  	767 	  	21:14:39 DEBUG| [stdout]    43 |  LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(map, name, map, PARAMS(proto), PARAMS(args))
    	  	768 	  	21:14:39 DEBUG| [stdout]       |  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    	  	769 	  	21:14:39 DEBUG| [stdout] /var/lib/dkms/lttng-modules/2.12.5/build/probes/../probes/lttng-tracepoint-event-impl.h:85:2: note: in expansion of macro ‘LTTNG_TRACEPOINT_EVENT_MAP’
    	  	770 	  	21:14:39 DEBUG| [stdout]    85 |  LTTNG_TRACEPOINT_EVENT_MAP(name, name,    \
    	  	771 	  	21:14:39 DEBUG| [stdout]       |  ^~~~~~~~~~~~~~~~~~~~~~~~~~
    	  	772 	  	21:14:39 DEBUG| [stdout] /var/lib/dkms/lttng-modules/2.12.5/build/probes/../instrumentation/events/lttng-module/jbd2.h:104:1: note: in expansion of macro ‘LTTNG_TRACEPOINT_EVENT’
    	  	773 	  	21:14:39 DEBUG| [stdout]   104 | LTTNG_TRACEPOINT_EVENT(jbd2_run_stats,
    	  	774 	  	21:14:39 DEBUG| [stdout]       | ^~~~~~~~~~~~~~~~~~~~~~
    	  	775 	  	21:14:39 DEBUG| [stdout] In file included from ./include/trace/events/jbd2.h:9,
    	  	776 	  	21:14:39 DEBUG| [stdout]                  from /var/lib/dkms/lttng-modules/2.12.5/build/probes/lttng-probe-jbd2.c:18:
    	  	777 	  	21:14:39 DEBUG| [stdout] ./include/linux/tracepoint.h:243:21: note: previous definition of ‘trace_jbd2_run_stats’ was here
    	  	778 	  	21:14:39 DEBUG| [stdout]   243 |  static inline void trace_##name(proto)    \
    	  	779 	  	21:14:39 DEBUG| [stdout]       |                     ^~~~~~
    	  	780 	  	21:14:39 DEBUG| [stdout] ./include/linux/tracepoint.h:406:2: note: in expansion of macro ‘__DECLARE_TRACE’
    	  	781 	  	21:14:39 DEBUG| [stdout]   406 |  __DECLARE_TRACE(name, PARAMS(proto), PARAMS(args),  \
    	  	782 	  	21:14:39 DEBUG| [stdout]       |  ^~~~~~~~~~~~~~~
    	  	783 	  	21:14:39 DEBUG| [stdout] ./include/linux/tracepoint.h:542:2: note: in expansion of macro ‘DECLARE_TRACE’
    	  	784 	  	21:14:39 DEBUG| [stdout]   542 |  DECLARE_TRACE(name, PARAMS(proto), PARAMS(args))
    	  	785 	  	21:14:39 DEBUG| [stdout]       |  ^~~~~~~~~~~~~
    	  	786 	  	21:14:39 DEBUG| [stdout] ./include/trace/events/jbd2.h:234:1: note: in expansion of macro ‘TRACE_EVENT’
    	  	787 	  	21:14:39 DEBUG| [stdout]   234 | TRACE_EVENT(jbd2_run_stats,
    	  	788 	  	21:14:39 DEBUG| [stdout]       | ^~~~~~~~~~~
    	  	789 	  	21:14:39 DEBUG| [stdout] In file included from /var/lib/dkms/lttng-modules/2.12.5/build/probes/../probes/define_trace.h:87,
    	  	790 	  	21:14:39 DEBUG| [stdout]                  from /var/lib/dkms/lttng-modules/2.12.5/build/probes/../instrumentation/events/lttng-module/jbd2.h:177,
    	  	791 	  	21:14:39 DEBUG| [stdout]                  from /var/lib/dkms/lttng-modules/2.12.5/build/probes/lttng-probe-jbd2.c:29:
    	  	792 	  	21:14:39 DEBUG| [stdout] /var/lib/dkms/lttng-modules/2.12.5/build/probes/../probes/lttng-tracepoint-event-impl.h:131:6: error: conflicting types for ‘trace_jbd2_checkpoint_stats’
    	  	793 	  	21:14:39 DEBUG| [stdout]   131 | void trace_##_name(_proto);
    	  	794 	  	21:14:39 DEBUG| [stdout]       |      ^~~~~~
    	  	795 	  	21:14:39 DEBUG| [stdout] /var/lib/dkms/lttng-modules/2.12.5/build/probes/../probes/lttng-tracepoint-event-impl.h:43:2: note: in expansion of macro ‘LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP’
    	  	796 	  	21:14:39 DEBUG| [stdout]    43 |  LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(map, name, map, PARAMS(proto), PARAMS(args))
    	  	797 	  	21:14:39 DEBUG| [stdout]       |  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    	  	798 	  	21:14:39 DEBUG| [stdout] /var/lib/dkms/lttng-modules/2.12.5/build/probes/../probes/lttng-tracepoint-event-impl.h:85:2: note: in expansion of macro ‘LTTNG_TRACEPOINT_EVENT_MAP’
    	  	799 	  	21:14:39 DEBUG| [stdout]    85 |  LTTNG_TRACEPOINT_EVENT_MAP(name, name,    \
    	  	800 	  	21:14:39 DEBUG| [stdout]       |  ^~~~~~~~~~~~~~~~~~~~~~~~~~
    	  	801 	  	21:14:39 DEBUG| [stdout] /var/lib/dkms/lttng-modules/2.12.5/build/probes/../instrumentation/events/lttng-module/jbd2.h:124:1: note: in expansion of macro ‘LTTNG_TRACEPOINT_EVENT’
    	  	802 	  	21:14:39 DEBUG| [stdout]   124 | LTTNG_TRACEPOINT_EVENT(jbd2_checkpoint_stats,
    	  	803 	  	21:14:39 DEBUG| [stdout]       | ^~~~~~~~~~~~~~~~~~~~~~
    	  	804 	  	21:14:39 DEBUG| [stdout] In file included from ./include/trace/events/jbd2.h:9,
    	  	805 	  	21:14:39 DEBUG| [stdout]                  from /var/lib/dkms/lttng-modules/2.12.5/build/probes/lttng-probe-jbd2.c:18:
    	  	806 	  	21:14:39 DEBUG| [stdout] ./include/linux/tracepoint.h:243:21: note: previous definition of ‘trace_jbd2_checkpoint_stats’ was here
    	  	807 	  	21:14:39 DEBUG| [stdout]   243 |  static inline void trace_##name(proto)    \
    	  	808 	  	21:14:39 DEBUG| [stdout]       |                     ^~~~~~
    	  	809 	  	21:14:39 DEBUG| [stdout] ./include/linux/tracepoint.h:406:2: note: in expansion of macro ‘__DECLARE_TRACE’
    	  	810 	  	21:14:39 DEBUG| [stdout]   406 |  __DECLARE_TRACE(name, PARAMS(proto), PARAMS(args),  \
    	  	811 	  	21:14:39 DEBUG| [stdout]       |  ^~~~~~~~~~~~~~~
    	  	812 	  	21:14:39 DEBUG| [stdout] ./include/linux/tracepoint.h:542:2: note: in expansion of macro ‘DECLARE_TRACE’
    	  	813 	  	21:14:39 DEBUG| [stdout]   542 |  DECLARE_TRACE(name, PARAMS(proto), PARAMS(args))
    	  	814 	  	21:14:39 DEBUG| [stdout]       |  ^~~~~~~~~~~~~
    	  	815 	  	21:14:39 DEBUG| [stdout] ./include/trace/events/jbd2.h:282:1: note: in expansion of macro ‘TRACE_EVENT’
    	  	816 	  	21:14:39 DEBUG| [stdout]   282 | TRACE_EVENT(jbd2_checkpoint_stats,
    	  	817 	  	21:14:39 DEBUG| [stdout]       | ^~~~~~~~~~~
    	  	818 	  	21:14:39 DEBUG| [stdout] make[2]: *** [scripts/Makefile.build:270: /var/lib/dkms/lttng-modules/2.12.5/build/probes/lttng-probe-jbd2.o] Error 1
    	  	819 	  	21:14:39 DEBUG| [stdout] make[1]: *** [scripts/Makefile.build:519: /var/lib/dkms/lttng-modules/2.12.5/build/probes] Error 2
    	  	820 	  	21:14:39 DEBUG| [stdout] make: *** [Makefile:1767: /var/lib/dkms/lttng-modules/2.12.5/build] Error 2
    	  	821 	  	21:14:39 DEBUG| [stdout] make: Leaving directory '/usr/src/linux-headers-5.4.0-143-generic'
    	  	822 	  	21:14:39 ERROR| Exception escaping from test:
    	  	823 	  	Traceback (most recent call last):
    	  	824 	  	  File "/home/ubuntu/autotest/client/shared/test.py", line 378, in _exec
    	  	825 	  	    _cherry_pick_call(self.initialize, *args, **dargs)
    	  	826 	  	  File "/home/ubuntu/autotest/client/shared/test.py", line 738, in _cherry_pick_call
    	  	827 	  	    return func(*p_args, **p_dargs)
    	  	828 	  	  File "/home/ubuntu/autotest/client/tests/ubuntu_lttng_smoke_test/ubuntu_lttng_smoke_test.py", line 58, in initialize
    	  	829 	  	    raise error.TestError('DKMS failed to install')

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