Ubuntu
glibc package

  1. Bug #1954963
  2. Comment #1

Comment 1 for bug 1954963

Revision history for this message
Daniel (wasade) wrote :

A resolution on this issue was identified with Debian:

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1001774

The behavior noted here is expected and correct.

This is related to a bug/change in glibc 2.29. The failure can arise if timezone is not set (e.g., "Etc/UTC"), and possibly other scenarios that would result in tm_isdst < 0.

The behavior of mktime differs on ubuntu 20.04 and 18.04 as they use different glibc versions. Aurelien with Debian notes this may be a bug for 18.04. Please see the thread with Debian for further detail.