Your message dated Sun, 13 Oct 2019 19:17:08 +0000
with message-id <e1ijjma-000dk2...@fasolo.debian.org>
and subject line Bug#933163: fixed in cyrus-imapd 3.0.8-6+deb10u1
has caused the Debian Bug report #933163,
regarding cyrus-imapd: Data loss possible when upgrading to buster
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.

(NB: If you are a system administrator and have no idea what this
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immediately.)


-- 
933163: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=933163
Debian Bug Tracking System
Contact ow...@bugs.debian.org with problems
--- Begin Message ---
Package: cyrus-imapd
Version: 3.0.8-6
Severity: grave
Tags: upstream

Dear Maintainer,

After upgrading a cyrus-imapd system from 2.4.17 (jessie-era) to 3.0.8 (buster),
I discovered many missing messages.  It appears that index records with MODSEQ 
set
to zero (e.g., records for messages which predated the addition of the MODSEQ 
field)
are being ignored.  The data is still there, but not served to IMAP clients.
Unfortunately, if the 3.0.8 cyrus "reconstruct" is executed to naively try to 
fix
the missing messages, those index records (and the metadata they contain, e.g.,
seen flags) are lost for good!  I tagged this report as "grave" because of the
potential for irreversible data loss.

There may be a one-line fix for this; I have filed an upstream bug report with 
more
details:

https://github.com/cyrusimap/cyrus-imapd/issues/2839

Fortunately, I have backups of the original cyrus.index files and didn't 
permanently
lose any state, but I don't know of any way to safely upgrade to v3.x.x until 
this
issue is fixed.

-m

-- System Information:
Debian Release: 10.0
  APT prefers stable
  APT policy: (500, 'stable')
Architecture: amd64 (x86_64)

Kernel: Linux 4.19.0-5-amd64 (SMP w/2 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), 
LANGUAGE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

Versions of packages cyrus-imapd depends on:
ii  cyrus-common  3.0.8-6
ii  dpkg          1.19.7
ii  libc6         2.28-10
ii  libcom-err2   1.44.5-1
ii  libsasl2-2    2.1.27+dfsg-1
ii  libssl1.1     1.1.1c-1
ii  libwrap0      7.6.q-28
ii  zlib1g        1:1.2.11.dfsg-1

cyrus-imapd recommends no packages.

cyrus-imapd suggests no packages.

-- Configuration Files:
/etc/pam.d/imap changed [not included]

-- no debconf information

--- End Message ---
--- Begin Message ---
Source: cyrus-imapd
Source-Version: 3.0.8-6+deb10u1

We believe that the bug you reported is fixed in the latest version of
cyrus-imapd, which is due to be installed in the Debian FTP archive.

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 933...@bugs.debian.org,
and the maintainer will reopen the bug report if appropriate.

Debian distribution maintenance software
pp.
Xavier Guimard <y...@debian.org> (supplier of updated cyrus-imapd 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 ftpmas...@ftp-master.debian.org)


-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512

Format: 1.8
Date: Wed, 09 Oct 2019 22:38:07 +0200
Source: cyrus-imapd
Architecture: source
Version: 3.0.8-6+deb10u1
Distribution: buster
Urgency: medium
Maintainer: Debian Cyrus Team <team+cy...@tracker.debian.org>
Changed-By: Xavier Guimard <y...@debian.org>
Closes: 933163
Changes:
 cyrus-imapd (3.0.8-6+deb10u1) buster; urgency=medium
 .
   * Add patch to fix data loss on upgrade from versions ≤ 3.0.0
     (Closes: #933163)
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cyrus-imapd_3.0.8-6+deb10u1.debian.tar.xz
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cyrus-imapd_3.0.8-6+deb10u1.debian.tar.xz
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