Your message dated Thu, 14 Nov 2019 14:52:16 +0000
with message-id <[email protected]>
and subject line Bug#944586: fixed in systemd 243-6
has caused the Debian Bug report #944586,
regarding udev: after upgrading to version 243-5, udev blocks the removal of 
lvm2 snapshots
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.)


-- 
944586: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=944586
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
Package: udev
Version: 243-5
Severity: normal

Dear Maintainer,
after updating systemd to version 243-5, my backup procedures, which
include the use of snapshots on lvm2 logical volumes, were blocked
during the snapshot removal phase.

> create snapshot: OK
lvcreate --size 1G -s -n prova  system/doc

> no other action

> remove snapshot
lvremove -fv system/prova
    Archiving volume group "system" metadata (seqno 4031).
    Removing snapshot volume system/prova.
    Loading table for system-doc (251:7).
    Loading table for system-prova (251:12).
    Not monitoring system/prova with libdevmapper-event-lvm2snapshot.so
    Unmonitored
LVM-zKZzKzFy3LSl0iVHcy7DY8oSb1b6eCOf319azVbo42LDvCA6Bf1eoK6FoYY5r89e
for events
    Suspending system-doc (251:7) with device flush
    Suspending system-prova (251:12) with device flush
    Suspending system-doc-real (251:10) with device flush
    Suspending system-prova-cow (251:11) with device flush
    activation/volume_list configuration setting not defined: Checking
only host tags for system/prova.
    Resuming system-prova-cow (251:11).
    Resuming system-doc-real (251:10).
    Resuming system-prova (251:12).
    Removing system-prova-cow (251:11)
    Resuming system-doc (251:7).
    Removing system-doc-real (251:10)

> process is blocked
> now press ctrl-c for return in terminal

> but if I launch same command again:
 lvremove -fv system/prova
    Removing system-prova (251:12)
    Archiving volume group "system" metadata (seqno 4032).
    Releasing logical volume "prova"
    Creating volume group backup "/etc/lvm/backup/system" (seqno 4033).
  Logical volume "prova" successfully removed

> the internal actions are completed and the command then succeeds

> Reinstall stable or previous version solve the problem.
apt-get install udev=241-7~deb10u1 libudev1=241-7~deb10u1

# repeat test
lvcreate --size 1G -s -n prova  system/doc
  Logical volume "prova" created.
...
lvremove -fv system/prova
    Archiving volume group "system" metadata (seqno 4035).
    Removing snapshot volume system/prova.
    Loading table for system-doc (251:7).
    Loading table for system-prova (251:12).
    Not monitoring system/prova with libdevmapper-event-lvm2snapshot.so
    Unmonitored LVM-
zKZzKzFy3LSl0iVHcy7DY8oSb1b6eCOfO01gXwNkzP5AaYp6LZAx8b6nzUPILTAh for events
    Suspending system-doc (251:7) with device flush
    Suspending system-prova (251:12) with device flush
    Suspending system-doc-real (251:10) with device flush
    Suspending system-prova-cow (251:11) with device flush
    activation/volume_list configuration setting not defined: Checking only
host tags for system/prova.
    Resuming system-prova-cow (251:11).
    Resuming system-doc-real (251:10).
    Resuming system-prova (251:12).
    Removing system-prova-cow (251:11)
    Resuming system-doc (251:7).
    Removing system-doc-real (251:10)
    Removing system-prova (251:12)
    Releasing logical volume "prova"
    Creating volume group backup "/etc/lvm/backup/system" (seqno 4037).
  Logical volume "prova" successfully removed

> with the previous version everything was ok

Thanks,
Antonio


-- Package-specific info:

-- System Information:
Debian Release: bullseye/sid
  APT prefers unstable
  APT policy: (700, 'unstable'), (500, 'stable-updates'), (500,
'stable'), (100, 'experimental')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 5.3.10-custom (SMP w/8 CPU cores; PREEMPT)
Locale: LANG=it_IT, LC_CTYPE=it_IT (charmap=ISO-8859-1) (ignored:
LC_ALL set to it_IT), LANGUAGE=it (charmap=ISO-8859-1) (ignored:
LC_ALL set to it_IT)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages udev depends on:
ii  adduser       3.118
ii  dpkg          1.19.7
ii  libacl1       2.2.53-5
ii  libblkid1     2.34-0.1
ii  libc6         2.29-3
ii  libkmod2      26-3
ii  libselinux1   2.9-2+b2
ii  libudev1      243-5
ii  systemd-sysv  243-5
ii  util-linux    2.34-0.1

udev recommends no packages.

udev suggests no packages.

Versions of packages udev is related to:
ii  systemd  243-5

-- debconf information:
  udev/new_kernel_needed: false
  udev/title/upgrade:
  udev/reboot_needed:
  udev/sysfs_deprecated_incompatibility:

--- End Message ---
--- Begin Message ---
Source: systemd
Source-Version: 243-6

We believe that the bug you reported is fixed in the latest version of
systemd, 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 [email protected],
and the maintainer will reopen the bug report if appropriate.

Debian distribution maintenance software
pp.
Michael Biebl <[email protected]> (supplier of updated systemd 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: SHA256

Format: 1.8
Date: Thu, 14 Nov 2019 14:09:49 +0100
Source: systemd
Architecture: source
Version: 243-6
Distribution: unstable
Urgency: medium
Maintainer: Debian systemd Maintainers 
<[email protected]>
Changed-By: Michael Biebl <[email protected]>
Closes: 944586
Changes:
 systemd (243-6) unstable; urgency=medium
 .
   * Revert "sysusers: properly mark generated accounts as locked"
     We shouldn't lock the accounts because people actually need to use them, 
and
     if they are locked, various tools will refuse.
   * udev: ignore error caused by device disconnection.
     During an add or change event, the device may be disconnected.
     (Closes: #944586)
   * udev: do not append newline when writing attributes
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--- End Message ---

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