Dimitri didn't post results from a power8 system, but here's what I see in a Power8 VM, with up-to-date 19.04:
$ lscpu Architecture: ppc64le Byte Order: Little Endian CPU(s): 1 On-line CPU(s) list: 0 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 1 NUMA node(s): 1 Model: 2.1 (pvr 004b 0201) Model name: POWER8E (raw), altivec supported Hypervisor vendor: KVM Virtualization type: para L1d cache: 64K L1i cache: 32K NUMA node0 CPU(s): 0 $ ./test.pl Calling mblen with str=data mblen returned with len=-2 $ Same behavior with any of C, C.UTF-8, en_US.UTF-8 as the configured locale. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1818953 Title: mblen() failing in Perl / Perl core dumping core on UBUNTU 19.04 by executing perl script, multiple architectures To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-power-systems/+bug/1818953/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs