Public bug reported:
Powepc tests in kselftest failed with following error
log:
In file included from test-vphn.c:3:
In function ?vphn_unpack_associativity?,
inlined from ?test_one? at test-vphn.c:371:2,
inlined from ?test_vphn? at test-vphn.c:399:9:
test-vphn.c:10:33: error: ?be_packed? may be used uninitialized
[-Werror=maybe-uninitialized]
10 | #define be16_to_cpup(x) bswap_16(*x)
| ^~~~~~~~
vphn.c:42:27: note: in expansion of macro ?be16_to_cpup?
42 | u16 new = be16_to_cpup(field++);
| ^~~~~~~~~~~~
In file included from test-vphn.c:19:
vphn.c: In function ?test_vphn?:
vphn.c:27:16: note: ?be_packed? declared here
27 | __be64 be_packed[VPHN_REGISTER_COUNT];
| ^~~~~~~~~
cc1: all warnings being treated as errors
make[2]: *** [../../lib.mk:222:
/root/linux/tools/testing/selftests/powerpc/vphn/test-vphn] Error 1
make[2]: Target 'all' not remade because of errors.
make[1]: *** [Makefile:40: vphn] Error 2
make[1]: Leaving directory '/root/linux/tools/testing/selftests/powerpc'
make: *** [Makefile:203: all] Error 2
make: Leaving directory '/root/linux/tools/testing/selftests'
Command used :
make -C tools/testing/selftests TARGETS="powerpc" run_tests
With the following patch issue is fixed:-
The patch is in upstream Linux now:
6e65886fceb2 ("selftests/powerpc: Suppress -Wmaybe-uninitialized with
GCC 15")
~Amit
** Affects: linux (Ubuntu)
Importance: Undecided
Assignee: Ubuntu on IBM Power Systems Bug Triage (ubuntu-power-triage)
Status: New
** Tags: architecture-ppc64le bugnameltc-217628 severity-medium
targetmilestone-inin2610
** Tags added: architecture-ppc64le bugnameltc-217628 severity-medium
targetmilestone-inin2610
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https://bugs.launchpad.net/bugs/2151303
Title:
[Ubuntu 26.04] kselftest failed on Guest
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