[Bug build/34351] New: Random test failures

"hjl.tools at gmail dot com via Glibc-bugs" <[email protected]> Sat, 04 Jul 2026 23:51:09 +0000

Newsgroups	gmane.comp.lib.glibc.bugs
Message-ID	<[email protected]/bugzilla/>

https://sourceware.org/bugzilla/show_bug.cgi?id=34351

            Bug ID: 34351
           Summary: Random test failures
           Product: glibc
           Version: 2.44
            Status: NEW
          Severity: normal
          Priority: P2
         Component: build
          Assignee: unassigned at sourceware dot org
          Reporter: hjl.tools at gmail dot com
                CC: adhemerval.zanella at linaro dot org, carlos at redhat dot com
  Target Milestone: ---

On a machine with 4C/8T, I got

$ make check -j7 subdirs=elf
...
FAIL: elf/strace-tst-thp-align-enabled
                === Summary of results ===
      1 FAIL
     35 PASS
make[2]: *** [Makefile:873: tests] Error 1

But when I ran it by hand, it passed:

$ make test t=elf/strace-tst-thp-align-enabled -j7
...
PASS: elf/strace-tst-thp-align-enabled
original exit status 0
madvise(0x55fe99a00000, 33558528, 0xe)  = 0
...

This may be caused by:

commit 2b13da5e0eb77b843b93ad40273b3b8ce4742b2c
Author: Adhemerval Zanella <[email protected]>
Date:   Mon Jun 15 14:22:38 2026 -0300

    Makerules: add 'make check-parallel' to run tests without serialization

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