Public bug reported:
DST information in timedatectl went awol some time around ubuntu 13.x or
14x.
Currently running:
lsb_release -rd
Description: Ubuntu 16.04.1 LTS
Release: 16.04
affected Package: systemd,229-4ubuntu7, amd64
What I see:
#/usr/bin/timedatectl
Local time: Fr 2016-08-05 21:38:03 CEST
Universal time: Fr 2016-08-05 19:38:03 UTC
RTC time: Fr 2016-08-05 19:38:03
Time zone: Europe/Berlin (CEST, +0200)
Network time on: yes
NTP synchronized: yes
RTC in local TZ: no
What I expect:
#./timedatectl_centos
Local time: Fr 2016-08-05 21:38:29 CEST
Universal time: Fr 2016-08-05 19:38:29 UTC
RTC time: Fr 2016-08-05 19:38:29
Time zone: Europe/Berlin (CEST, +0200)
NTP enabled: yes
NTP synchronized: yes
RTC in local TZ: no
DST active: yes
Last DST change: DST began at
So 2016-03-27 01:59:59 CET
So 2016-03-27 03:00:00 CEST
Next DST change: DST ends (the clock jumps one hour backwards) at
So 2016-10-30 02:59:59 CEST
So 2016-10-30 02:00:00 CET
According to systemd's changelog over at
https://github.com/systemd/systemd/blob/master/NEWS DST reporting appeared with
196. No signs of removal of this functionality.
How to reproduce
1. execute timedatectl on a live system might work
2. I'm running a out-of-the box installation of 16.04. Problem can be seen on
two different laptops.
3. sudo timedatectl makes no difference
4. The expected output above was created by a timedatectl binary taken Centos
(just extracted from rpmfind's systemd-219-19.el7_2.7.x86_64.rpm resp. copied
over from a RHEL 7 system )
Not sure if useful, both binaries in comparison:
# /usr/bin/timedatectl --version
systemd 229
+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP
+GCRYPT +GNUTLS +ACL +XZ -LZ4 +SECCOMP +BLKID +ELFUTILS +KMOD -IDN
#./timedatectl_centos --version
systemd 219
+PAM +AUDIT +SELINUX +IMA -APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP
+GCRYPT +GNUTLS +ACL +XZ -LZ4 -SECCOMP +BLKID +ELFUTILS +KMOD +IDN
# file /usr/bin/timedatectl
/usr/bin/timedatectl: ELF 64-bit LSB shared object, x86-64, version 1 (SYSV),
dynamically linked, interpreter /lib64/ld-linux-x86-64.so.2, for GNU/Linux
2.6.32, BuildID[sha1]=1044615393ef0fb0bf462bfbc528ab8ef8481eba, stripped
# file ./timedatectl_centos
./timedatectl_centos: ELF 64-bit LSB shared object, x86-64, version 1 (SYSV),
dynamically linked, interpreter /lib64/ld-linux-x86-64.so.2, for GNU/Linux
2.6.32, BuildID[sha1]=fad3fb9a6e27da8d30ce196b79c482a5d3090dda, stripped
# ldd /usr/bin/timedatectl
linux-vdso.so.1 => (0x00007ffd3471d000)
libselinux.so.1 => /lib/x86_64-linux-gnu/libselinux.so.1
(0x00007f3b923ac000)
librt.so.1 => /lib/x86_64-linux-gnu/librt.so.1 (0x00007f3b921a4000)
libpthread.so.0 => /lib/x86_64-linux-gnu/libpthread.so.0
(0x00007f3b91f86000)
libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007f3b91bbd000)
/lib64/ld-linux-x86-64.so.2 (0x000055e26d64c000)
libpcre.so.3 => /lib/x86_64-linux-gnu/libpcre.so.3 (0x00007f3b9194d000)
libdl.so.2 => /lib/x86_64-linux-gnu/libdl.so.2 (0x00007f3b91748000)
# ldd ./timedatectl_centos
linux-vdso.so.1 => (0x00007fffd5fdf000)
librt.so.1 => /lib/x86_64-linux-gnu/librt.so.1 (0x00007f59c3416000)
libgcc_s.so.1 => /lib/x86_64-linux-gnu/libgcc_s.so.1
(0x00007f59c3200000)
libpthread.so.0 => /lib/x86_64-linux-gnu/libpthread.so.0
(0x00007f59c2fe2000)
libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007f59c2c19000)
/lib64/ld-linux-x86-64.so.2 (0x0000560b23381000)
Return code of both is 0.
strace /usr/bin/timedatectl stops here:
[...[
stat("/etc/localtime", {st_mode=S_IFREG|0644, st_size=2335, ...}) = 0
write(1, " Time zone: Europe/Berlin "..., 46 Time zone:
Europe/Berlin (CEST, +0200)
) = 46
write(1, " Network time on: yes\n", 22 Network time on: yes
) = 22
write(1, "NTP synchronized: yes\n", 22NTP synchronized: yes
) = 22
write(1, " RTC in local TZ: no\n", 21 RTC in local TZ: no
) = 21
close(3) = 0
exit_group(0) = ?
+++ exited with 0 +++
strace ./timedatectl_centos continues:
[...]
write(1, "NTP synchronized: yes\n", 22NTP synchronized: yes
) = 22
write(1, " RTC in local TZ: no\n", 21 RTC in local TZ: no
) = 21
open("/etc/localtime", O_RDONLY|O_CLOEXEC) = 4
fstat(4, {st_mode=S_IFREG|0644, st_size=2335, ...}) = 0
fstat(4, {st_mode=S_IFREG|0644, st_size=2335, ...}) = 0
read(4, "TZif2\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\t\0\0\0\t\0\0\0\0"..., 4096)
= 2335
lseek(4, -1476, SEEK_CUR) = 859
read(4, "TZif2\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\t\0\0\0\t\0\0\0\0"..., 4096)
= 1476
close(4) = 0
write(1, " DST active: yes\n", 22 DST active: yes
) = 22
write(1, " Last DST change: DST began at\n", 31 Last DST change: DST began at
) = 31
write(1, " So 2016-03-27 "..., 45 So
2016-03-27 01:59:59 CET
) = 45
write(1, " So 2016-03-27 "..., 46 So
2016-03-27 03:00:00 CEST
) = 46
write(1, " Next DST change: DST ends (the "..., 67 Next DST change: DST ends
(the clock jumps one hour backwards) at
) = 67
write(1, " So 2016-10-30 "..., 46 So
2016-10-30 02:59:59 CEST
) = 46
write(1, " So 2016-10-30 "..., 45 So
2016-10-30 02:00:00 CET
) = 45
close(3) = 0
exit_group(0) = ?
+++ exited with 0 +++
** Affects: systemd (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1610405
Title:
timedatectl not reporting DST info
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