I built coreutils v9.12 from the git repo on Ubuntu 26.04.1. Three tests failed with "make check":
$ grep FAIL tests/test-suite.log # XFAIL: 0 # FAIL: 3 FAIL: tests/cksum/sum-sysv FAIL tests/cksum/sum-sysv.sh (exit status: 1) FAIL: tests/cp/copy-FMR FAIL tests/cp/copy-FMR.sh (exit status: 1) FAIL: tests/cp/sparse-extents-2 FAIL tests/cp/sparse-extents-2.sh (exit status: 1) System information: $ uname -a Linux bomb20 7.0.0-38-generic #38-Ubuntu SMP PREEMPT_DYNAMIC Fri Sep 4 09:10:14 UTC 2026 x86_64 GNU/Linux $ cat /etc/lsb-release DISTRIB_ID=Ubuntu DISTRIB_RELEASE=26.04 DISTRIB_CODENAME=resolute DISTRIB_DESCRIPTION="Ubuntu 26.04.1 LTS"
test-suite.log.gz
Description: GNU Zip compressed data
