Preparing to unpack .../libc6_2.31-0ubuntu9_amd64.deb ...
Progress: [ 38%]
ldconfig: wrapper deferring update (trigger activated)
Checking for services that may need to be restarted...
Checking init scripts...
Checking for services that may need to be restarted...
Checking init scripts...
dpkg: error processing archive /var/cache/apt/archives/libc6_2.31-0ubuntu9_amd64.deb (--unpack):
new libc6:amd64 package pre-installation script subprocess returned error exit status 20
Selecting previously unselected package libcrypt1:amd64.
dpkg: considering deconfiguration of libc6:amd64, which would be broken by installation of libcrypt1:amd64 ...
dpkg: yes, will deconfigure libc6:amd64 (broken by libcrypt1:amd64)
Preparing to unpack .../libcrypt1_1%3a4.4.10-10ubuntu4_amd64.deb ...
De-configuring libc6:amd64 (2.27-3ubuntu1.2) ...
Progress: [ 44%]
Unpacking libcrypt1:amd64 (1:4.4.10-10ubuntu4) ...
Replacing files in old package libc6:amd64 (2.27-3ubuntu1.2) ...
Progress: [ 50%]
Errors were encountered while processing:
/var/cache/apt/archives/libc6_2.31-0ubuntu9_amd64.deb
ERROR: Cannot create report: [Errno 17] File exists: '/var/crash/libc6.0.crash'
Exception during pm.DoInstall(): E:Sub-process /usr/bin/dpkg returned an error code (1)
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18.04->20.04 upgrade breaks with the reproducer:
...
Preparing to unpack .../libc6_ 2.31-0ubuntu9_ amd64.deb ...
Progress: [ 38%] apt/archives/ libc6_2. 31-0ubuntu9_ amd64.deb (--unpack): 1%3a4.4. 10-10ubuntu4_ amd64.deb ...
ldconfig: wrapper deferring update (trigger activated)
Checking for services that may need to be restarted...
Checking init scripts...
Checking for services that may need to be restarted...
Checking init scripts...
dpkg: error processing archive /var/cache/
new libc6:amd64 package pre-installation script subprocess returned error exit status 20
Selecting previously unselected package libcrypt1:amd64.
dpkg: considering deconfiguration of libc6:amd64, which would be broken by installation of libcrypt1:amd64 ...
dpkg: yes, will deconfigure libc6:amd64 (broken by libcrypt1:amd64)
Preparing to unpack .../libcrypt1_
De-configuring libc6:amd64 (2.27-3ubuntu1.2) ...
Progress: [ 44%] 10-10ubuntu4) ...
Unpacking libcrypt1:amd64 (1:4.4.
Replacing files in old package libc6:amd64 (2.27-3ubuntu1.2) ...
Progress: [ 50%] apt/archives/ libc6_2. 31-0ubuntu9_ amd64.deb libc6.0. crash'
Errors were encountered while processing:
/var/cache/
ERROR: Cannot create report: [Errno 17] File exists: '/var/crash/
Exception during pm.DoInstall(): E:Sub-process /usr/bin/dpkg returned an error code (1)
*** Send problem report to the developers?
After the problem report has been sent, please fill out the form in the
automatically opened web browser.
What would you like to do? Your options are:
S: Send report (137.7 KB)
V: View report
K: Keep report file for sending later or copying to somewhere else
I: Cancel and ignore future crashes of this program version
C: Cancel
Please choose (S/V/K/I/C):
...