Your message dated Fri, 23 Oct 2009 16:36:37 +0000
with message-id <[email protected]>
and subject line Bug#552110: fixed in tzdata 2009o-2
has caused the Debian Bug report #552110,
regarding tzdata: 2009o breaks DST in Bangladesh
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
Bug report if necessary, and/or fix the problem forthwith.
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--
552110: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=552110
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
Package: tzdata
Severity: important
Version: 2009o-1
Tags: patch
User: [email protected]
Usertags: origin-ubuntu ubuntu-patch karmic
Hello,
In https://launchpad.net/bugs/456322 it was reported that 2009o breaks
DST in Bangladesh:
$ zdump -v -c 2007,2015 Asia/Dhaka
Asia/Dhaka Fri Jun 19 16:59:59 2009 UTC = Fri Jun 19 22:59:59 2009 BDT isdst=0
gmtoff=21600
Asia/Dhaka Fri Jun 19 17:00:00 2009 UTC = Fri Jun 19 23:00:00 2009 BDST isdst=0
gmtoff=21600
So DST is not considered at all, and clocks are off by an hour:
$ LANG= date -u; LANG= TZ=Asia/Dhaka date
Fri Oct 23 12:30:57 UTC 2009
Fri Oct 23 18:30:57 BDST 2009
This is due to our glibc not understanding open end dates on DST
rules. This already happened when Bangladesh DST was introduced the
first time (https://launchpad.net/bugs/383444) and back then it was
discussed with upstream, who proposed to patch it to set an arbitrary
end date.
I did that for Ubuntu now by setting an arbitrary end date to Jan 1 2100
so that it works now:
$ zdump -v -c 2007,2101 Asia/Dhaka
Asia/Dhaka Fri Jun 19 16:59:59 2009 UTC = Fri Jun 19 22:59:59 2009 BDT isdst=0
gmtoff=21600
Asia/Dhaka Fri Jun 19 17:00:00 2009 UTC = Sat Jun 20 00:00:00 2009 BDST
isdst=1 gmtoff=25200
Asia/Dhaka Thu Dec 31 16:59:59 2099 UTC = Thu Dec 31 23:59:59 2099 BDST
isdst=1 gmtoff=25200
Asia/Dhaka Thu Dec 31 17:00:00 2099 UTC = Thu Dec 31 23:00:00 2099 BDT isdst=0
gmtoff=21600
$ LANG= date -u; LANG= TZ=Asia/Dhaka date
Fri Oct 23 12:32:53 UTC 2009
Fri Oct 23 19:32:53 BDST 2009
Thanks for considering,
Martin
--
Martin Pitt | http://www.piware.de
Ubuntu Developer (www.ubuntu.com) | Debian Developer (www.debian.org)
diff -u tzdata-2009o/debian/changelog tzdata-2009o/debian/changelog
--- tzdata-2009o/debian/changelog
+++ tzdata-2009o/debian/changelog
@@ -1,3 +1,11 @@
+tzdata (2009o-1ubuntu1) karmic; urgency=low
+
+ * Add bdst-workaround.diff: Work around glibc not being able to cope with
+ open end dates by specifying an arbitrary one far in the future. This
+ fixes time Bangladesh, which has eternal DST now. (LP: #456322)
+
+ -- Martin Pitt <[email protected]> Fri, 23 Oct 2009 14:00:01 +0200
+
tzdata (2009o-1) unstable; urgency=low
* New upstream release.
diff -u tzdata-2009o/debian/patches/series tzdata-2009o/debian/patches/series
--- tzdata-2009o/debian/patches/series
+++ tzdata-2009o/debian/patches/series
@@ -2,2 +2,3 @@
java.diff -p1
+bdst-workaround.diff
argentinas-dst-2009.diff -p1
only in patch2:
unchanged:
--- tzdata-2009o.orig/debian/patches/bdst-workaround.diff
+++ tzdata-2009o/debian/patches/bdst-workaround.diff
@@ -0,0 +1,16 @@
+# Description: Work around glibc not being able to cope with open end dates by
specifying an arbitrary one far in the future.
+# Ubuntu: https://launchpad.net/bugs/456322, https://launchpad.net/bugs/383444
+Index: tzdata-2009o/asia
+===================================================================
+--- tzdata-2009o.orig/asia 2009-10-14 22:49:38.000000000 +0200
++++ tzdata-2009o/asia 2009-10-23 14:12:07.000000000 +0200
+@@ -205,7 +205,8 @@
+ 6:30 - BURT 1951 Sep 30
+ 6:00 - DACT 1971 Mar 26 # Dacca Time
+ 6:00 - BDT 2009 Jun 19 23:00 # Bangladesh
Time
+- 6:00 1:00 BDST
++ 6:00 1:00 BDST 2100 Jan 1 # arbitrary end
date; unspecified end date does not work with glibc
++ 6:00 - BDT
+
+ # Bhutan
+ # Zone NAME GMTOFF RULES FORMAT [UNTIL]
signature.asc
Description: Digital signature
--- End Message ---
--- Begin Message ---
Source: tzdata
Source-Version: 2009o-2
We believe that the bug you reported is fixed in the latest version of
tzdata, which is due to be installed in the Debian FTP archive:
tzdata-java_2009o-2_all.deb
to pool/main/t/tzdata/tzdata-java_2009o-2_all.deb
tzdata_2009o-2.diff.gz
to pool/main/t/tzdata/tzdata_2009o-2.diff.gz
tzdata_2009o-2.dsc
to pool/main/t/tzdata/tzdata_2009o-2.dsc
tzdata_2009o-2_all.deb
to pool/main/t/tzdata/tzdata_2009o-2_all.deb
A summary of the changes between this version and the previous one is
attached.
Thank you for reporting the bug, which will now be closed. If you
have further comments please address them to [email protected],
and the maintainer will reopen the bug report if appropriate.
Debian distribution maintenance software
pp.
Clint Adams <[email protected]> (supplier of updated tzdata package)
(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing [email protected])
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512
Format: 1.8
Date: Fri, 23 Oct 2009 10:36:14 -0400
Source: tzdata
Binary: tzdata tzdata-java
Architecture: source all
Version: 2009o-2
Distribution: unstable
Urgency: low
Maintainer: GNU Libc Maintainers <[email protected]>
Changed-By: Clint Adams <[email protected]>
Description:
tzdata - time zone and daylight-saving time data
tzdata-java - time zone and daylight-saving time data for use by java runtimes
Closes: 552110
Changes:
tzdata (2009o-2) unstable; urgency=low
.
* debian/patches/bangladesh-openended.diff: Fix broken Asia/Dhaka
DST. closes: #552110.
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