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Message #06130
[Bug 2096645] Re: lttng DKMS failed to build on Jammy in sru-20250113 (error: conflicting types for 'trace_mm_page_alloc_zone_locked')
** Description changed:
Issue found with Jammy 5.15.0-132.143 in sru-20250113
+ The same bug has been found in Focal 5.15.0-132.
[Impact]
lttng-modules-dkms does not compile from source in Jammy:
CC [M] /var/lib/dkms/lttng-modules/2.13.8/build/src/lib/ringbuffer/ring_buffer_iterator.o
CC [M] /var/lib/dkms/lttng-modules/2.13.8/build/src/probes/lttng-probe-kmem.o
In file included from /var/lib/dkms/lttng-modules/2.13.8/build/src/probes/../../include/lttng/define_trace.h:87,
from /var/lib/dkms/lttng-modules/2.13.8/build/src/probes/../../include/instrumentation/events/kmem.h:570,
from /var/lib/dkms/lttng-modules/2.13.8/build/src/probes/lttng-probe-kmem.c:35:
/var/lib/dkms/lttng-modules/2.13.8/build/src/probes/../../include/lttng/tracepoint-event-impl.h:133:6: error: conflicting types for 'trace_mm_page_alloc_zone_locked'; have 'void(struct page *, unsigned int, int)'
133 | void trace_##_name(_proto);
| ^~~~~~
/var/lib/dkms/lttng-modules/2.13.8/build/src/probes/../../include/instrumentation/events/kmem.h:438:1: note: in expansion of macro 'LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP'
438 | LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(kmem_mm_page, mm_page_alloc_zone_locked,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ./include/trace/events/kmem.h:9,
from /var/lib/dkms/lttng-modules/2.13.8/build/src/probes/lttng-probe-kmem.c:24:
./include/linux/tracepoint.h:244:28: note: previous definition of 'trace_mm_page_alloc_zone_locked' with type 'void(struct page *, unsigned int, int, int)'
244 | static inline void trace_##name(proto) \
| ^~~~~~
./include/linux/tracepoint.h:416:9: note: in expansion of macro '__DECLARE_TRACE'
416 | __DECLARE_TRACE(name, PARAMS(proto), PARAMS(args), \
| ^~~~~~~~~~~~~~~
./include/linux/tracepoint.h:539:9: note: in expansion of macro 'DECLARE_TRACE'
539 | DECLARE_TRACE(name, PARAMS(proto), PARAMS(args))
| ^~~~~~~~~~~~~
./include/trace/events/kmem.h:259:1: note: in expansion of macro 'DEFINE_EVENT'
259 | DEFINE_EVENT(mm_page, mm_page_alloc_zone_locked,
| ^~~~~~~~~~~~
make[3]: *** [scripts/Makefile.build:297: /var/lib/dkms/lttng-modules/2.13.8/build/src/probes/lttng-probe-kmem.o] Error 1
[ Test case ]
Install lttng-modules-dkms:
$ sudo apt install lttng-modules-dkms
Load the module:
$ sudo modprobe lttng-test
- The same procedure should be repeated on linux-5.15, the GA kernel, to
- test for possible regressions.
+ This procedure should be repeated for Jammy-GA and Jammy-HWE kernels,
+ and for Focal-GA, Focal-HWE kernels.
[ Fix ]
Patch the code to properly support 6.8 and 5.15 ABI.
[ Regression potential ]
We may experience regressions in systems that are using the lttng
debugging tool.
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https://bugs.launchpad.net/bugs/2096645
Title:
lttng DKMS failed to build on Jammy in sru-20250113 (error:
conflicting types for 'trace_mm_page_alloc_zone_locked')
Status in ubuntu-kernel-tests:
New
Status in lttng-modules package in Ubuntu:
Invalid
Status in lttng-modules source package in Jammy:
Fix Committed
Bug description:
Issue found with Jammy 5.15.0-132.143 in sru-20250113
The same bug has been found in Focal 5.15.0-132.
[Impact]
lttng-modules-dkms does not compile from source in Jammy:
CC [M] /var/lib/dkms/lttng-modules/2.13.8/build/src/lib/ringbuffer/ring_buffer_iterator.o
CC [M] /var/lib/dkms/lttng-modules/2.13.8/build/src/probes/lttng-probe-kmem.o
In file included from /var/lib/dkms/lttng-modules/2.13.8/build/src/probes/../../include/lttng/define_trace.h:87,
from /var/lib/dkms/lttng-modules/2.13.8/build/src/probes/../../include/instrumentation/events/kmem.h:570,
from /var/lib/dkms/lttng-modules/2.13.8/build/src/probes/lttng-probe-kmem.c:35:
/var/lib/dkms/lttng-modules/2.13.8/build/src/probes/../../include/lttng/tracepoint-event-impl.h:133:6: error: conflicting types for 'trace_mm_page_alloc_zone_locked'; have 'void(struct page *, unsigned int, int)'
133 | void trace_##_name(_proto);
| ^~~~~~
/var/lib/dkms/lttng-modules/2.13.8/build/src/probes/../../include/instrumentation/events/kmem.h:438:1: note: in expansion of macro 'LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP'
438 | LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(kmem_mm_page, mm_page_alloc_zone_locked,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ./include/trace/events/kmem.h:9,
from /var/lib/dkms/lttng-modules/2.13.8/build/src/probes/lttng-probe-kmem.c:24:
./include/linux/tracepoint.h:244:28: note: previous definition of 'trace_mm_page_alloc_zone_locked' with type 'void(struct page *, unsigned int, int, int)'
244 | static inline void trace_##name(proto) \
| ^~~~~~
./include/linux/tracepoint.h:416:9: note: in expansion of macro '__DECLARE_TRACE'
416 | __DECLARE_TRACE(name, PARAMS(proto), PARAMS(args), \
| ^~~~~~~~~~~~~~~
./include/linux/tracepoint.h:539:9: note: in expansion of macro 'DECLARE_TRACE'
539 | DECLARE_TRACE(name, PARAMS(proto), PARAMS(args))
| ^~~~~~~~~~~~~
./include/trace/events/kmem.h:259:1: note: in expansion of macro 'DEFINE_EVENT'
259 | DEFINE_EVENT(mm_page, mm_page_alloc_zone_locked,
| ^~~~~~~~~~~~
make[3]: *** [scripts/Makefile.build:297: /var/lib/dkms/lttng-modules/2.13.8/build/src/probes/lttng-probe-kmem.o] Error 1
[ Test case ]
Install lttng-modules-dkms:
$ sudo apt install lttng-modules-dkms
Load the module:
$ sudo modprobe lttng-test
This procedure should be repeated for Jammy-GA and Jammy-HWE kernels,
and for Focal-GA, Focal-HWE kernels.
[ Fix ]
Patch the code to properly support 6.8 and 5.15 ABI.
[ Regression potential ]
We may experience regressions in systems that are using the lttng
debugging tool.
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References
