Devuan bug report logs -
#314
gpsd: ..2'nd roll over bug: gpsd "clock is 56 years wrong", like "1963-07-18T08:57:40.584Z"
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Your message dated Sun, 09 Aug 2020 16:56:58 +0000
with message-id <1596992218.633550.12958.nullmailer@dak.ganeti1.devuan.org>
and subject line #314: fixed in src:gpsd version 3.20-12+devuan1
has caused the Devuan bug report #314,
regarding gpsd: ..2'nd roll over bug: gpsd "clock is 56 years wrong", like "1963-07-18T08:57:40.584Z"
to be marked as done.
This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
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--
314: https://bugs.devuan.org/cgi/bugreport.cgi?bug=314
Devuan Bug Tracking System
Contact owner@bugs.devuan.org with problems
[Message part 2 (message/rfc822, inline)]
Package: gpsd
Version: 3.16-4
Severity: important
..upstream bug.
Hi,
..reportbug reports our (Devuan) BTS is down, bug report on gpsd:
Content-Type
: text/plain; charset="us-ascii"
MIME-Version: 1.0
Content-Transfer-Encoding: 7bit
From: Arnt <arnt@iaksess.no>
To: Devuan Bug Tracking System <submit@bugs.devuan.org>
Subject: gpsd: ..2'nd roll over bug: gpsd clock is 56 years wrong,
"1963-07-18T08:57:40.584Z" Message-ID:
<155465156363.24771.3526445890355259661.reportbug@sda3> X-Mailer:
reportbug 7.1.6+devuan2.1 Date: Sun, 07 Apr 2019 17:39:23 +0200
X-Debbugs-Cc: arnt@iaksess.no
Package: gpsd
Version: 3.16-4
Severity: important
..upstream bug.
Dear Maintainer,
*** Reporter, please consider answering these questions, where
appropriate ***
* What led up to the situation?
..according to http://catb.org/gpsd/NMEA.html#_dates_and_times :
GPS date and time are subject to a rollover problem in the 10-bit
week number counter, which will re-zero every 1024 weeks (roughly
every 19.6 years). The last rollover (and the first since GPS went
live in 1980) was in Aug-1999; the next will fall in Apr-2019.
..checks out rather well:
arnt@sda3:~$ date --date='1024 weeks ago'
Sun Aug 22 18:23:04 CEST 1999
arnt@sda3:~$ date --date='2048 weeks ago'
Sun Jan 6 17:23:36 CET 1980
arnt@sda3:~$ date --date='TZ=UTC 2048 weeks ago'
date: invalid date ‘TZ=UTC 2048 weeks ago’
arnt@sda3:~$ date --date='TZ="UTC" 2048 weeks ago'
Sun Jan 6 19:25:50 CET 1980
arnt@sda3:~$
http://www.leapsecond.com/java/gpsclock.htm
http://www.leapsecond.com/java/cal.htm
..fix suggestions: hard code third 10bit era and/or move to
the new 13bit "CNAV" data format pointed to above.
..this patch hard codes third 10bit era as suggested in
gpsd-3.1x's timebase.c:
arnt@nb6:~$ diff -u timebase.h-3.16 timebase.h-new
--- timebase.h-3.16 2016-01-08 20:30:27.000000000 +0100
+++ timebase.h-new 2019-04-07 20:11:52.903644739 +0200
@@ -1,9 +1,9 @@
/*
* Constants used for GPS time detection and rollover correction.
*
- * Correct for week beginning 2016-01-07T00:00:00
+ * Correct for week beginning 2019-04-07T02:00:00 UTC
*/
#define BUILD_CENTURY 2000
-#define BUILD_WEEK 854 # Assumes 10-bit week counter
-#define BUILD_LEAPSECONDS 17
-#define BUILD_ROLLOVERS 1 # Assumes 10-bit week counter
+#define BUILD_WEEK 1 # Assumes 10-bit week counter
+#define BUILD_LEAPSECONDS 19
+#define BUILD_ROLLOVERS 2 # Assumes 10-bit week counter
..and ditto for gpsd-3.17:
arnt@nb6:~$ diff -u timebase.h-3.17 timebase.h-new
--- timebase.h-3.17 2017-09-07 13:53:40.000000000 +0200
+++ timebase.h-new 2019-04-07 20:11:52.903644739 +0200
@@ -1,9 +1,9 @@
/*
* Constants used for GPS time detection and rollover correction.
*
- * Correct for week beginning 2017-09-07T00:00:00
+ * Correct for week beginning 2019-04-07T02:00:00 UTC
*/
#define BUILD_CENTURY 2000
-#define BUILD_WEEK 941 # Assumes 10-bit week counter
+#define BUILD_WEEK 1 # Assumes 10-bit week counter
#define BUILD_LEAPSECONDS 19
-#define BUILD_ROLLOVERS 1 # Assumes 10-bit week counter
+#define BUILD_ROLLOVERS 2 # Assumes 10-bit week counter
..this patch hard codes third 10bit era as suggested in
gpsd-3.11's timebase.c:
arnt@sda3:~$ diff -u timebase.h*
--- timebase.h-3.11 2019-04-07 19:19:42.442197516 +0200
+++ timebase.h-ny 2019-04-07 19:18:28.572535352 +0200
@@ -1,8 +1,8 @@
/*
* Constants used for GPS time detection and rollover correction.
*
- * Correct for week beginning 2014-08-21T00:00:00
+ * Correct for week beginning 2019-04-07T00:00:00
*/
-#define CENTURY_BASE 201400
-#define LEAPSECOND_NOW 16
-#define GPS_WEEK_NOW 1806
+#define CENTURY_BASE 201900
+#define LEAPSECOND_NOW 19
+#define GPS_WEEK_NOW 2049
..current timebase.h in gpsd-3.11 source:
arnt@sda3:~$ cat timebase.h
/*
* Constants used for GPS time detection and rollover correction.
*
* Correct for week beginning 2014-08-21T00:00:00
*/
#define CENTURY_BASE 201400
#define LEAPSECOND_NOW 16
#define GPS_WEEK_NOW 1806
arnt@sda3:~$
* What exactly did you do (or not do) that was effective (or
ineffective)?
* What was the outcome of this action?
* What outcome did you expect instead?
*** End of the template - remove these template lines ***
-- System Information:
Distributor ID: Devuan
Description: Devuan GNU/Linux 2.0 (ascii)
Release: 2.0
Codename: ascii
Architecture: armv6l
Kernel: Linux 4.19.32+
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=locale: Cannot
set LC_ALL to default locale: No such file or directory UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: sysvinit (via /sbin/init)
Versions of packages gpsd depends on:
ii adduser 3.115
ii init-system-helpers 1.48+devuan2.0
ii libbluetooth3 5.43-2+deb9u1
ii libc6 2.24-11+deb9u4
ii libdbus-1-3 1.10.22-1+devuan2
ii libgps22 3.16-4
ii libusb-1.0-0 2:1.0.21-1
ii lsb-base 4.1+devuan2
ii netbase 5.4
Versions of packages gpsd recommends:
ii python 2.7.13-2
pn udev <none>
Versions of packages gpsd suggests:
ii dbus 1.10.22-1+devuan2
ii gpsd-clients 3.16-4
-- debconf information:
--
..med vennlig hilsen = with Kind Regards from Arnt Karlsen
...with a number of polar bear hunters in his ancestry...
Scenarios always come in sets of three:
best case, worst case, and just in case.
[Message part 3 (message/rfc822, inline)]
Version: 3.20-12+devuan1
Source package gpsd (3.20-12+devuan1) added to Devuan suite unstable.
This closes bug report 314.
Thanks
DAK managing the Devuan archive
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256
Format: 1.8
Date: Tue, 14 Jul 2020 20:41:45 +0000
Source: gpsd
Binary: gpsd gpsd-dbg gpsd-tools gpsd-clients python3-gps libgps26 libgps-dev libqgpsmm26 libqgpsmm-dev
Architecture: source
Version: 3.20-12+devuan1
Distribution: unstable
Urgency: medium
Maintainer: Boian Bonev <bbonev@ipacct.com>
Changed-By: Boian Bonev <bbonev@ipacct.com>
Description:
gpsd - Global Positioning System - daemon
gpsd-clients - Global Positioning System - clients
gpsd-dbg - Global Positioning System - debugging tools
gpsd-tools - Global Positioning System - tools
libgps-dev - Global Positioning System - development files
libgps26 - Global Positioning System - library
libqgpsmm-dev - Global Positioning System - Qt wrapper for libgps (development)
libqgpsmm26 - Global Positioning System - Qt wrapper for libgps
python3-gps - Global Positioning System - Python 3 libraries
Closes: 314 490
Changes:
gpsd (3.20-12+devuan1) unstable; urgency=medium
.
* Fork Debian package for Devuan (Closes: #490, #314)
* Remove systemd related stuff and restore sysvinit startup
* Install gpsd-dbg binaries under /usr/libexec/gpsd
* Enable hardened build
* Update standards to 4.5.0
* Bump debhelper to 13
* Fix typos in code and documentation
* Fix possible format buffer overrun
* Do not install skyview.php as executable
* Do not install gps.py as executable
* Fix scons clean command
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