** Description changed:

+ dpkg: error processing package man-db (--configure):
+  installed man-db package post-installation script subprocess was killed by 
signal (Segmentation fault), core dumped
+ Processing triggers for desktop-file-utils (0.24-1ubuntu3) ...
+ dpkg: error processing package desktop-file-utils (--configure):
+  installed desktop-file-utils package post-installation script subprocess was 
killed by signal (Segmentation fault), core dumped
+ Errors were encountered while processing:
+  man-db
+  desktop-file-utils
+ E: Sub-process /usr/bin/dpkg returned an error code (1)
+ E: Sub-process dpkg --set-selections received a segmentation fault.
+ E: Couldn't revert dpkg selection for approved remove/purge after an error 
was encountered!
+ E: Problem executing scripts DPkg::Post-Invoke '/usr/bin/test -e 
/usr/share/dbus-1/system-services/org.freedesktop.PackageKit.service && 
/usr/bin/test -S /var/run/dbus/system_bus_socket && /usr/bin/gdbus call 
--system --dest org.freedesktop.PackageKit --object-path 
/org/freedesktop/PackageKit --timeout 4 --method 
org.freedesktop.PackageKit.StateHasChanged cache-update > /dev/null; /bin/echo 
> /dev/null'
+ E: Sub-process returned an error code
+ E: Sub-process [ ! -f /usr/bin/snap ] || /usr/bin/snap advise-snap --from-apt 
2>/dev/null || true received a segmentation fault.
+ E: Failure running hook [ ! -f /usr/bin/snap ] || /usr/bin/snap advise-snap 
--from-apt 2>/dev/null || true
+ 2021-05-13 - 13:28:40 [6]: Python Error:
+  <class 'subprocess.CalledProcessError'> 
+ ---
+ .
+ ..
+ .
+ dpkg: error processing package man-db (--configure):
+  installed man-db package post-installation script subprocess was killed by 
signal (Segmentation fault), core dumped
+ Processing triggers for desktop-file-utils (0.24-1ubuntu3) ...
+ dpkg: error processing package desktop-file-utils (--configure):
+  installed desktop-file-utils package post-installation script subprocess was 
killed by signal (Segmentation fault), core dumped
+ Errors were encountered while processing:
+  man-db
+  desktop-file-utils
+ E: Sub-process /usr/bin/dpkg returned an error code (1)
+ E: Sub-process dpkg --set-selections received a segmentation fault.
+ E: Couldn't revert dpkg selection for approved remove/purge after an error 
was encountered!
+ E: Problem executing scripts DPkg::Post-Invoke '/usr/bin/test -e 
/usr/share/dbus-1/system-services/org.freedesktop.PackageKit.service && 
/usr/bin/test -S /var/run/dbus/system_bus_socket && /usr/bin/gdbus call 
--system --dest org.freedesktop.PackageKit --object-path 
/org/freedesktop/PackageKit --timeout 4 --method 
org.freedesktop.PackageKit.StateHasChanged cache-update > /dev/null; /bin/echo 
> /dev/null'
+ E: Sub-process returned an error code
+ E: Sub-process [ ! -f /usr/bin/snap ] || /usr/bin/snap advise-snap --from-apt 
2>/dev/null || true received a segmentation fault.
+ E: Failure running hook [ ! -f /usr/bin/snap ] || /usr/bin/snap advise-snap 
--from-apt 2>/dev/null || true 
+  File "/usr/lib/x86_64-linux-gnu/calamares/modules/packages/main.py", line 
560, in run
+     run_operations(pkgman, entry)
+ 
+   File "/usr/lib/x86_64-linux-gnu/calamares/modules/packages/main.py", line 
479, in run_operations
+     pkgman.remove(package_list)
+ 
+   File "/usr/lib/x86_64-linux-gnu/calamares/modules/packages/main.py", line 
261, in remove
+     check_target_env_call(["apt-get", "--purge", "-q", "-y",
+ 
+   File "<string>", line 68, in <module> 
+  
+ 2021-05-13 - 13:28:40 [6]: virtual void Calamares::JobThread::run() 
+      Skipping non-emergency job "Shell Processes Job" 
+ 2021-05-13 - 13:28:40 [6]: virtual void Calamares::JobThread::run() 
+      Skipping non-emergency job "umount" 
+ 2021-05-13 - 13:28:40 [1]: ERROR: Installation failed: 
+ 2021-05-13 - 13:28:40 [6]: void 
Calamares::ViewManager::onInstallationFailed(const QString&, const QString&) 
+      - message: "Boost.Python error in job \"packages\"." 
+ 2021-05-13 - 13:28:40 [6]: void 
Calamares::ViewManager::onInstallationFailed(const QString&, const QString&) 
+      - details: "<div><strong>Command 'apt-get --purge -q -y remove ^live-* 
calamares-settings-lubuntu calamares hunspell-en-us zram-config cifs-utils' 
returned non-zero exit status 100.</strong></div><div>Reading package 
lists...\nBuilding dependency tree...\nReading state information...\nPackage 
'live-initramfs' is not installed, so not removed\nPackage 
'live-config-sysvinit' is not installed, so not removed\nPackage 'live-boot' is 
not installed, so not removed\nPackage 'live-boot-doc' is not installed, so not 
removed\nPackage 'live-boot-initramfs-tools' is not installed, so not 
removed\nPackage 'live-clone' is not installed, so not removed\nPackage 
'live-config' is not installed, so not removed\nPackage 'live-config-doc' is 
not installed, so not removed\nPackage 'live-config-systemd' is not installed, 
so not removed\nPackage 'live-manual' is not installed, so not removed\nPackage 
'live-manual-epub' is not installed, so not removed\nPackage 'live-manual-html' 
is not installed, so not removed\nPackage 'live-manual-odf' is not installed, 
so not removed\nPackage 'live-manual-pdf' is not installed, so not 
removed\nPackage 'live-manual-txt' is not installed, so not removed\nPackage 
'live-tools' is not installed, so not removed\nPackage 'livemedia-utils' is not 
installed, so not removed\nPackage 'lives' is not installed, so not 
removed\nPackage 'lives-data' is not installed, so not removed\nPackage 
'lives-plugins' is not installed, so not removed\nPackage 'livescript' is not 
installed, so not removed\nPackage 'live-build' is not installed, so not 
removed\nPackage 'live-build-cgi' is not installed, so not removed\nPackage 
'livecd-rootfs' is not installed, so not removed\nThe following packages were 
automatically installed and are no longer required:\n  finalrd 
localechooser-data user-setup\nUse 'sudo apt autoremove' to remove them.\nThe 
following packages will be REMOVED:\n  calamares* calamares-settings-lubuntu* 
calamares-settings-ubuntu-common*\n  casper* cifs-utils* hunspell-en-us* 
lupin-casper* zram-config*\n0 upgraded, 0 newly installed, 8 to remove and 5 
not upgraded.\nAfter this operation, 12.1 MB disk space will be freed.\nE: Can 
not write log (Is /dev/pts mounted?) - posix_openpt (19: No such 
device)\n(Reading database ... 231137 files and directories currently 
installed.)\nRemoving calamares-settings-lubuntu (1:20.04.2) ...\nRemoving 
calamares-settings-ubuntu-common (1:20.04.2) ...\nRemoving calamares 
(3.2.20-0ubuntu1) ...\nRemoving lupin-casper (0.57build1) ...\nRemoving casper 
(1.445.1) ...\nRemoving cifs-utils (2:6.9-1ubuntu0.1) ...\nRemoving 
hunspell-en-us (1:2018.04.16-1) ...\nRemoving zram-config (0.5) ...\nProcessing 
triggers for mime-support (3.64ubuntu1) ...\nProcessing triggers for 
hicolor-icon-theme (0.17-2) ...\nProcessing triggers for dictionaries-common 
(1.28.1) ...\nProcessing triggers for libc-bin (2.31-0ubuntu9.2) 
...\nProcessing triggers for man-db (2.9.1-1) ...\ndpkg: error processing 
package man-db (--configure):\n installed man-db package post-installation 
script subprocess was killed by signal (Segmentation fault), core 
dumped\nProcessing triggers for desktop-file-utils (0.24-1ubuntu3) ...\ndpkg: 
error processing package desktop-file-utils (--configure):\n installed 
desktop-file-utils package post-installation script subprocess was killed by 
signal (Segmentation fault), core dumped\nErrors were encountered while 
processing:\n man-db\n desktop-file-utils\nE: Sub-process /usr/bin/dpkg 
returned an error code (1)\nE: Sub-process dpkg --set-selections received a 
segmentation fault.\nE: Couldn't revert dpkg selection for approved 
remove/purge after an error was encountered!\nE: Problem executing scripts 
DPkg::Post-Invoke '/usr/bin/test -e 
/usr/share/dbus-1/system-services/org.freedesktop.PackageKit.service &amp;&amp; 
/usr/bin/test -S /var/run/dbus/system_bus_socket &amp;&amp; /usr/bin/gdbus call 
--system --dest org.freedesktop.PackageKit --object-path 
/org/freedesktop/PackageKit --timeout 4 --method 
org.freedesktop.PackageKit.StateHasChanged cache-update &gt; /dev/null; 
/bin/echo &gt; /dev/null'\nE: Sub-process returned an error code\nE: 
Sub-process [ ! -f /usr/bin/snap ] || /usr/bin/snap advise-snap --from-apt 
2&gt;/dev/null || true received a segmentation fault.\nE: Failure running hook 
[ ! -f /usr/bin/snap ] || /usr/bin/snap advise-snap --from-apt 2&gt;/dev/null 
|| true</div><div><br/>Traceback:</div><div><pre>File 
&quot;/usr/lib/x86_64-linux-gnu/calamares/modules/packages/main.py&quot;, line 
560, in run\n    run_operations(pkgman, entry)\n\n  File 
&quot;/usr/lib/x86_64-linux-gnu/calamares/modules/packages/main.py&quot;, line 
479, in run_operations\n    pkgman.remove(package_list)\n\n  File 
&quot;/usr/lib/x86_64-linux-gnu/calamares/modules/packages/main.py&quot;, line 
261, in remove\n    check_target_env_call([&quot;apt-get&quot;, 
&quot;--purge&quot;, &quot;-q&quot;, &quot;-y&quot;,\n\n  File 
&quot;&lt;string&gt;&quot;, line 68, in &lt;module&gt;</pre></div>" 
+ 
+ ---
+ 
  Lubuntu focal QA-test install (.3) to
  - dell [optiplex] 755 (c2d-e8300, 8gb, amd/ati radeon rv610/radeon hd2400 
pro/xt)
  
  failed..
  
  Manual partitioning; disk had two install (sda1 & sda2; both hirsute installs)
  I selected SDA2 for "/" with option KEEP (so no format).
  
  I expected a clean install; was intending to save the calamares
  session.log for comparison with a failed install, instead it failed here
  too???
  
  This install was executed with `sudo -E calamares -d` which may help
  
  (( The error message was larger than the screen size too (but different
  bug report) ))
  
  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: calamares 3.2.20-0ubuntu1
  ProcVersionSignature: Ubuntu 5.8.0-53.60~20.04.1-generic 5.8.18
  Uname: Linux 5.8.0-53-generic x86_64
  .etc.calamares.modules.finished.conf:
   ---
   restartNowMode: user-checked
   restartNowCommand: "systemctl -i reboot"
  .etc.calamares.modules.partition.conf:
   efiSystemPartition: "/boot/efi"
   enableLuksAutomatedPartitioning: true
   userSwapChoices: none
   drawNestedPartitions: true
   defaultFileSystemType: "ext4"
  .etc.calamares.modules.shellprocess_logs.conf:
   ---
   dontChroot: true
   timeout: 30
   script:
       - calamares-logs-helper @@ROOT@@
  .etc.calamares.modules.unpackfs.conf:
   ---
   unpack:
       -   source: "/cdrom/casper/filesystem.squashfs"
           sourcefs: "squashfs"
           destination: ""
  ApportVersion: 2.20.11-0ubuntu27.17
  Architecture: amd64
  CasperMD5CheckResult: pass
  CasperVersion: 1.445.1
  CurrentDesktop: LXQt
  Date: Thu May 13 14:06:03 2021
  LiveMediaBuild: Lubuntu 20.04.2 LTS "Focal Fossa" - Release amd64 (20210512)
  RelatedPackageVersions:
   calamares-settings-ubuntu-common 1:20.04.2
   calamares-settings-lubuntu       1:20.04.2
   xfsprogs                         5.3.0-1ubuntu2
   btrfs-progs                      5.4.1-2
  SourcePackage: calamares
  UpgradeStatus: No upgrade log present (probably fresh install)

** Description changed:

  dpkg: error processing package man-db (--configure):
-  installed man-db package post-installation script subprocess was killed by 
signal (Segmentation fault), core dumped
+  installed man-db package post-installation script subprocess was killed by 
signal (Segmentation fault), core dumped
  Processing triggers for desktop-file-utils (0.24-1ubuntu3) ...
  dpkg: error processing package desktop-file-utils (--configure):
-  installed desktop-file-utils package post-installation script subprocess was 
killed by signal (Segmentation fault), core dumped
+  installed desktop-file-utils package post-installation script subprocess was 
killed by signal (Segmentation fault), core dumped
  Errors were encountered while processing:
-  man-db
-  desktop-file-utils
+  man-db
+  desktop-file-utils
  E: Sub-process /usr/bin/dpkg returned an error code (1)
  E: Sub-process dpkg --set-selections received a segmentation fault.
  E: Couldn't revert dpkg selection for approved remove/purge after an error 
was encountered!
  E: Problem executing scripts DPkg::Post-Invoke '/usr/bin/test -e 
/usr/share/dbus-1/system-services/org.freedesktop.PackageKit.service && 
/usr/bin/test -S /var/run/dbus/system_bus_socket && /usr/bin/gdbus call 
--system --dest org.freedesktop.PackageKit --object-path 
/org/freedesktop/PackageKit --timeout 4 --method 
org.freedesktop.PackageKit.StateHasChanged cache-update > /dev/null; /bin/echo 
> /dev/null'
  E: Sub-process returned an error code
  E: Sub-process [ ! -f /usr/bin/snap ] || /usr/bin/snap advise-snap --from-apt 
2>/dev/null || true received a segmentation fault.
  E: Failure running hook [ ! -f /usr/bin/snap ] || /usr/bin/snap advise-snap 
--from-apt 2>/dev/null || true
  2021-05-13 - 13:28:40 [6]: Python Error:
-  <class 'subprocess.CalledProcessError'> 
- ---
+  <class 'subprocess.CalledProcessError'>
  .
  ..
  .
  dpkg: error processing package man-db (--configure):
-  installed man-db package post-installation script subprocess was killed by 
signal (Segmentation fault), core dumped
+  installed man-db package post-installation script subprocess was killed by 
signal (Segmentation fault), core dumped
  Processing triggers for desktop-file-utils (0.24-1ubuntu3) ...
  dpkg: error processing package desktop-file-utils (--configure):
-  installed desktop-file-utils package post-installation script subprocess was 
killed by signal (Segmentation fault), core dumped
+  installed desktop-file-utils package post-installation script subprocess was 
killed by signal (Segmentation fault), core dumped
  Errors were encountered while processing:
-  man-db
-  desktop-file-utils
+  man-db
+  desktop-file-utils
  E: Sub-process /usr/bin/dpkg returned an error code (1)
  E: Sub-process dpkg --set-selections received a segmentation fault.
  E: Couldn't revert dpkg selection for approved remove/purge after an error 
was encountered!
  E: Problem executing scripts DPkg::Post-Invoke '/usr/bin/test -e 
/usr/share/dbus-1/system-services/org.freedesktop.PackageKit.service && 
/usr/bin/test -S /var/run/dbus/system_bus_socket && /usr/bin/gdbus call 
--system --dest org.freedesktop.PackageKit --object-path 
/org/freedesktop/PackageKit --timeout 4 --method 
org.freedesktop.PackageKit.StateHasChanged cache-update > /dev/null; /bin/echo 
> /dev/null'
  E: Sub-process returned an error code
  E: Sub-process [ ! -f /usr/bin/snap ] || /usr/bin/snap advise-snap --from-apt 
2>/dev/null || true received a segmentation fault.
- E: Failure running hook [ ! -f /usr/bin/snap ] || /usr/bin/snap advise-snap 
--from-apt 2>/dev/null || true 
-  File "/usr/lib/x86_64-linux-gnu/calamares/modules/packages/main.py", line 
560, in run
-     run_operations(pkgman, entry)
+ E: Failure running hook [ ! -f /usr/bin/snap ] || /usr/bin/snap advise-snap 
--from-apt 2>/dev/null || true
+  File "/usr/lib/x86_64-linux-gnu/calamares/modules/packages/main.py", line 
560, in run
+     run_operations(pkgman, entry)
  
-   File "/usr/lib/x86_64-linux-gnu/calamares/modules/packages/main.py", line 
479, in run_operations
-     pkgman.remove(package_list)
+   File "/usr/lib/x86_64-linux-gnu/calamares/modules/packages/main.py", line 
479, in run_operations
+     pkgman.remove(package_list)
  
-   File "/usr/lib/x86_64-linux-gnu/calamares/modules/packages/main.py", line 
261, in remove
-     check_target_env_call(["apt-get", "--purge", "-q", "-y",
+   File "/usr/lib/x86_64-linux-gnu/calamares/modules/packages/main.py", line 
261, in remove
+     check_target_env_call(["apt-get", "--purge", "-q", "-y",
  
-   File "<string>", line 68, in <module> 
-  
- 2021-05-13 - 13:28:40 [6]: virtual void Calamares::JobThread::run() 
-      Skipping non-emergency job "Shell Processes Job" 
- 2021-05-13 - 13:28:40 [6]: virtual void Calamares::JobThread::run() 
-      Skipping non-emergency job "umount" 
- 2021-05-13 - 13:28:40 [1]: ERROR: Installation failed: 
- 2021-05-13 - 13:28:40 [6]: void 
Calamares::ViewManager::onInstallationFailed(const QString&, const QString&) 
-      - message: "Boost.Python error in job \"packages\"." 
- 2021-05-13 - 13:28:40 [6]: void 
Calamares::ViewManager::onInstallationFailed(const QString&, const QString&) 
-      - details: "<div><strong>Command 'apt-get --purge -q -y remove ^live-* 
calamares-settings-lubuntu calamares hunspell-en-us zram-config cifs-utils' 
returned non-zero exit status 100.</strong></div><div>Reading package 
lists...\nBuilding dependency tree...\nReading state information...\nPackage 
'live-initramfs' is not installed, so not removed\nPackage 
'live-config-sysvinit' is not installed, so not removed\nPackage 'live-boot' is 
not installed, so not removed\nPackage 'live-boot-doc' is not installed, so not 
removed\nPackage 'live-boot-initramfs-tools' is not installed, so not 
removed\nPackage 'live-clone' is not installed, so not removed\nPackage 
'live-config' is not installed, so not removed\nPackage 'live-config-doc' is 
not installed, so not removed\nPackage 'live-config-systemd' is not installed, 
so not removed\nPackage 'live-manual' is not installed, so not removed\nPackage 
'live-manual-epub' is not installed, so not removed\nPackage 'live-manual-html' 
is not installed, so not removed\nPackage 'live-manual-odf' is not installed, 
so not removed\nPackage 'live-manual-pdf' is not installed, so not 
removed\nPackage 'live-manual-txt' is not installed, so not removed\nPackage 
'live-tools' is not installed, so not removed\nPackage 'livemedia-utils' is not 
installed, so not removed\nPackage 'lives' is not installed, so not 
removed\nPackage 'lives-data' is not installed, so not removed\nPackage 
'lives-plugins' is not installed, so not removed\nPackage 'livescript' is not 
installed, so not removed\nPackage 'live-build' is not installed, so not 
removed\nPackage 'live-build-cgi' is not installed, so not removed\nPackage 
'livecd-rootfs' is not installed, so not removed\nThe following packages were 
automatically installed and are no longer required:\n  finalrd 
localechooser-data user-setup\nUse 'sudo apt autoremove' to remove them.\nThe 
following packages will be REMOVED:\n  calamares* calamares-settings-lubuntu* 
calamares-settings-ubuntu-common*\n  casper* cifs-utils* hunspell-en-us* 
lupin-casper* zram-config*\n0 upgraded, 0 newly installed, 8 to remove and 5 
not upgraded.\nAfter this operation, 12.1 MB disk space will be freed.\nE: Can 
not write log (Is /dev/pts mounted?) - posix_openpt (19: No such 
device)\n(Reading database ... 231137 files and directories currently 
installed.)\nRemoving calamares-settings-lubuntu (1:20.04.2) ...\nRemoving 
calamares-settings-ubuntu-common (1:20.04.2) ...\nRemoving calamares 
(3.2.20-0ubuntu1) ...\nRemoving lupin-casper (0.57build1) ...\nRemoving casper 
(1.445.1) ...\nRemoving cifs-utils (2:6.9-1ubuntu0.1) ...\nRemoving 
hunspell-en-us (1:2018.04.16-1) ...\nRemoving zram-config (0.5) ...\nProcessing 
triggers for mime-support (3.64ubuntu1) ...\nProcessing triggers for 
hicolor-icon-theme (0.17-2) ...\nProcessing triggers for dictionaries-common 
(1.28.1) ...\nProcessing triggers for libc-bin (2.31-0ubuntu9.2) 
...\nProcessing triggers for man-db (2.9.1-1) ...\ndpkg: error processing 
package man-db (--configure):\n installed man-db package post-installation 
script subprocess was killed by signal (Segmentation fault), core 
dumped\nProcessing triggers for desktop-file-utils (0.24-1ubuntu3) ...\ndpkg: 
error processing package desktop-file-utils (--configure):\n installed 
desktop-file-utils package post-installation script subprocess was killed by 
signal (Segmentation fault), core dumped\nErrors were encountered while 
processing:\n man-db\n desktop-file-utils\nE: Sub-process /usr/bin/dpkg 
returned an error code (1)\nE: Sub-process dpkg --set-selections received a 
segmentation fault.\nE: Couldn't revert dpkg selection for approved 
remove/purge after an error was encountered!\nE: Problem executing scripts 
DPkg::Post-Invoke '/usr/bin/test -e 
/usr/share/dbus-1/system-services/org.freedesktop.PackageKit.service &amp;&amp; 
/usr/bin/test -S /var/run/dbus/system_bus_socket &amp;&amp; /usr/bin/gdbus call 
--system --dest org.freedesktop.PackageKit --object-path 
/org/freedesktop/PackageKit --timeout 4 --method 
org.freedesktop.PackageKit.StateHasChanged cache-update &gt; /dev/null; 
/bin/echo &gt; /dev/null'\nE: Sub-process returned an error code\nE: 
Sub-process [ ! -f /usr/bin/snap ] || /usr/bin/snap advise-snap --from-apt 
2&gt;/dev/null || true received a segmentation fault.\nE: Failure running hook 
[ ! -f /usr/bin/snap ] || /usr/bin/snap advise-snap --from-apt 2&gt;/dev/null 
|| true</div><div><br/>Traceback:</div><div><pre>File 
&quot;/usr/lib/x86_64-linux-gnu/calamares/modules/packages/main.py&quot;, line 
560, in run\n    run_operations(pkgman, entry)\n\n  File 
&quot;/usr/lib/x86_64-linux-gnu/calamares/modules/packages/main.py&quot;, line 
479, in run_operations\n    pkgman.remove(package_list)\n\n  File 
&quot;/usr/lib/x86_64-linux-gnu/calamares/modules/packages/main.py&quot;, line 
261, in remove\n    check_target_env_call([&quot;apt-get&quot;, 
&quot;--purge&quot;, &quot;-q&quot;, &quot;-y&quot;,\n\n  File 
&quot;&lt;string&gt;&quot;, line 68, in &lt;module&gt;</pre></div>" 
+   File "<string>", line 68, in <module>
+ 
+ 2021-05-13 - 13:28:40 [6]: virtual void Calamares::JobThread::run()
+      Skipping non-emergency job "Shell Processes Job"
+ 2021-05-13 - 13:28:40 [6]: virtual void Calamares::JobThread::run()
+      Skipping non-emergency job "umount"
+ 2021-05-13 - 13:28:40 [1]: ERROR: Installation failed:
+ 2021-05-13 - 13:28:40 [6]: void 
Calamares::ViewManager::onInstallationFailed(const QString&, const QString&)
+      - message: "Boost.Python error in job \"packages\"."
+ 2021-05-13 - 13:28:40 [6]: void 
Calamares::ViewManager::onInstallationFailed(const QString&, const QString&)
+      - details: "<div><strong>Command 'apt-get --purge -q -y remove ^live-* 
calamares-settings-lubuntu calamares hunspell-en-us zram-config cifs-utils' 
returned non-zero exit status 100.</strong></div><div>Reading package 
lists...\nBuilding dependency tree...\nReading state information...\nPackage 
'live-initramfs' is not installed, so not removed\nPackage 
'live-config-sysvinit' is not installed, so not removed\nPackage 'live-boot' is 
not installed, so not removed\nPackage 'live-boot-doc' is not installed, so not 
removed\nPackage 'live-boot-initramfs-tools' is not installed, so not 
removed\nPackage 'live-clone' is not installed, so not removed\nPackage 
'live-config' is not installed, so not removed\nPackage 'live-config-doc' is 
not installed, so not removed\nPackage 'live-config-systemd' is not installed, 
so not removed\nPackage 'live-manual' is not installed, so not removed\nPackage 
'live-manual-epub' is not installed, so not removed\nPackage 'live-manual-html' 
is not installed, so not removed\nPackage 'live-manual-odf' is not installed, 
so not removed\nPackage 'live-manual-pdf' is not installed, so not 
removed\nPackage 'live-manual-txt' is not installed, so not removed\nPackage 
'live-tools' is not installed, so not removed\nPackage 'livemedia-utils' is not 
installed, so not removed\nPackage 'lives' is not installed, so not 
removed\nPackage 'lives-data' is not installed, so not removed\nPackage 
'lives-plugins' is not installed, so not removed\nPackage 'livescript' is not 
installed, so not removed\nPackage 'live-build' is not installed, so not 
removed\nPackage 'live-build-cgi' is not installed, so not removed\nPackage 
'livecd-rootfs' is not installed, so not removed\nThe following packages were 
automatically installed and are no longer required:\n  finalrd 
localechooser-data user-setup\nUse 'sudo apt autoremove' to remove them.\nThe 
following packages will be REMOVED:\n  calamares* calamares-settings-lubuntu* 
calamares-settings-ubuntu-common*\n  casper* cifs-utils* hunspell-en-us* 
lupin-casper* zram-config*\n0 upgraded, 0 newly installed, 8 to remove and 5 
not upgraded.\nAfter this operation, 12.1 MB disk space will be freed.\nE: Can 
not write log (Is /dev/pts mounted?) - posix_openpt (19: No such 
device)\n(Reading database ... 231137 files and directories currently 
installed.)\nRemoving calamares-settings-lubuntu (1:20.04.2) ...\nRemoving 
calamares-settings-ubuntu-common (1:20.04.2) ...\nRemoving calamares 
(3.2.20-0ubuntu1) ...\nRemoving lupin-casper (0.57build1) ...\nRemoving casper 
(1.445.1) ...\nRemoving cifs-utils (2:6.9-1ubuntu0.1) ...\nRemoving 
hunspell-en-us (1:2018.04.16-1) ...\nRemoving zram-config (0.5) ...\nProcessing 
triggers for mime-support (3.64ubuntu1) ...\nProcessing triggers for 
hicolor-icon-theme (0.17-2) ...\nProcessing triggers for dictionaries-common 
(1.28.1) ...\nProcessing triggers for libc-bin (2.31-0ubuntu9.2) 
...\nProcessing triggers for man-db (2.9.1-1) ...\ndpkg: error processing 
package man-db (--configure):\n installed man-db package post-installation 
script subprocess was killed by signal (Segmentation fault), core 
dumped\nProcessing triggers for desktop-file-utils (0.24-1ubuntu3) ...\ndpkg: 
error processing package desktop-file-utils (--configure):\n installed 
desktop-file-utils package post-installation script subprocess was killed by 
signal (Segmentation fault), core dumped\nErrors were encountered while 
processing:\n man-db\n desktop-file-utils\nE: Sub-process /usr/bin/dpkg 
returned an error code (1)\nE: Sub-process dpkg --set-selections received a 
segmentation fault.\nE: Couldn't revert dpkg selection for approved 
remove/purge after an error was encountered!\nE: Problem executing scripts 
DPkg::Post-Invoke '/usr/bin/test -e 
/usr/share/dbus-1/system-services/org.freedesktop.PackageKit.service &amp;&amp; 
/usr/bin/test -S /var/run/dbus/system_bus_socket &amp;&amp; /usr/bin/gdbus call 
--system --dest org.freedesktop.PackageKit --object-path 
/org/freedesktop/PackageKit --timeout 4 --method 
org.freedesktop.PackageKit.StateHasChanged cache-update &gt; /dev/null; 
/bin/echo &gt; /dev/null'\nE: Sub-process returned an error code\nE: 
Sub-process [ ! -f /usr/bin/snap ] || /usr/bin/snap advise-snap --from-apt 
2&gt;/dev/null || true received a segmentation fault.\nE: Failure running hook 
[ ! -f /usr/bin/snap ] || /usr/bin/snap advise-snap --from-apt 2&gt;/dev/null 
|| true</div><div><br/>Traceback:</div><div><pre>File 
&quot;/usr/lib/x86_64-linux-gnu/calamares/modules/packages/main.py&quot;, line 
560, in run\n    run_operations(pkgman, entry)\n\n  File 
&quot;/usr/lib/x86_64-linux-gnu/calamares/modules/packages/main.py&quot;, line 
479, in run_operations\n    pkgman.remove(package_list)\n\n  File 
&quot;/usr/lib/x86_64-linux-gnu/calamares/modules/packages/main.py&quot;, line 
261, in remove\n    check_target_env_call([&quot;apt-get&quot;, 
&quot;--purge&quot;, &quot;-q&quot;, &quot;-y&quot;,\n\n  File 
&quot;&lt;string&gt;&quot;, line 68, in &lt;module&gt;</pre></div>"
  
  ---
  
  Lubuntu focal QA-test install (.3) to
  - dell [optiplex] 755 (c2d-e8300, 8gb, amd/ati radeon rv610/radeon hd2400 
pro/xt)
  
  failed..
  
  Manual partitioning; disk had two install (sda1 & sda2; both hirsute installs)
  I selected SDA2 for "/" with option KEEP (so no format).
  
  I expected a clean install; was intending to save the calamares
  session.log for comparison with a failed install, instead it failed here
  too???
  
  This install was executed with `sudo -E calamares -d` which may help
  
  (( The error message was larger than the screen size too (but different
  bug report) ))
  
  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: calamares 3.2.20-0ubuntu1
  ProcVersionSignature: Ubuntu 5.8.0-53.60~20.04.1-generic 5.8.18
  Uname: Linux 5.8.0-53-generic x86_64
  .etc.calamares.modules.finished.conf:
   ---
   restartNowMode: user-checked
   restartNowCommand: "systemctl -i reboot"
  .etc.calamares.modules.partition.conf:
   efiSystemPartition: "/boot/efi"
   enableLuksAutomatedPartitioning: true
   userSwapChoices: none
   drawNestedPartitions: true
   defaultFileSystemType: "ext4"
  .etc.calamares.modules.shellprocess_logs.conf:
   ---
   dontChroot: true
   timeout: 30
   script:
       - calamares-logs-helper @@ROOT@@
  .etc.calamares.modules.unpackfs.conf:
   ---
   unpack:
       -   source: "/cdrom/casper/filesystem.squashfs"
           sourcefs: "squashfs"
           destination: ""
  ApportVersion: 2.20.11-0ubuntu27.17
  Architecture: amd64
  CasperMD5CheckResult: pass
  CasperVersion: 1.445.1
  CurrentDesktop: LXQt
  Date: Thu May 13 14:06:03 2021
  LiveMediaBuild: Lubuntu 20.04.2 LTS "Focal Fossa" - Release amd64 (20210512)
  RelatedPackageVersions:
   calamares-settings-ubuntu-common 1:20.04.2
   calamares-settings-lubuntu       1:20.04.2
   xfsprogs                         5.3.0-1ubuntu2
   btrfs-progs                      5.4.1-2
  SourcePackage: calamares
  UpgradeStatus: No upgrade log present (probably fresh install)

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https://bugs.launchpad.net/bugs/1928284

Title:
  lubuntu focal daily install; manually selected sda2 for /, failed

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