Public bug reported:
When running $do-release-upgrade -f DistUpgradeViewNonInteractive -p on an x64
Ubuntu 14.04 host a conf file prompt for /etc/issue results in:
"ERROR error ''str' does not support the buffer interface' when trying to write
to the conffile"
System info:
lsb_release -rd
Description: Ubuntu 14.04.5 LTS
Release: 14.04
apt-cache policy ubuntu-release-upgrader-core
ubuntu-release-upgrader-core:
Installed: 1:0.220.8
Candidate: 1:16.04.17
Version table:
1:16.04.17 0
500 http://us.archive.ubuntu.com/ubuntu/ xenial-updates/main amd64
Packages
1:16.04.12 0
500 http://us.archive.ubuntu.com/ubuntu/ xenial/main amd64 Packages
*** 1:0.220.8 0
100 /var/lib/dpkg/status
Partial output of main.log:
2016-11-07 12:53:36,005 DEBUG disabling apt cron job (0o755)
2016-11-07 13:01:06,388 DEBUG plugins for condition 'StartUpgrade' are '[]'
2016-11-07 13:01:06,388 DEBUG plugins for condition 'xenialStartUpgrade' are
'[]'
2016-11-07 13:01:06,388 DEBUG plugins for condition 'from_trustyStartUpgrade'
are '[]'
2016-11-07 13:01:06,389 DEBUG quirks: running StartUpgrade
2016-11-07 13:01:06,389 DEBUG skipping 'README' (no '.')
2016-11-07 13:01:06,390 DEBUG killing update-notifier
2016-11-07 13:01:06,403 DEBUG killing kblueplugd kbluetooth4
2016-11-07 13:01:06,409 DEBUG killing gnome-screensaver
2016-11-07 13:01:06,417 DEBUG setup poke timer for the scrensaver
2016-11-07 13:01:06,421 DEBUG failed to determine user upgrading
2016-11-07 13:01:06,421 ERROR failed to inhibit gnome-session idle
2016-11-07 13:01:06,421 DEBUG apt btrfs snapshots supported: False
2016-11-07 13:01:06,421 INFO cache.commit()
2016-11-07 13:01:06,421 DEBUG failed to SystemUnLock() (E:Not locked)
2016-11-07 13:01:06,669 DEBUG doing a pty.fork()
2016-11-07 13:01:06,671 DEBUG pid is: 1729
2016-11-07 13:01:26,498 WARNING got a conffile-prompt from dpkg for file:
'/etc/issue'
2016-11-07 13:01:31,499 ERROR error ''str' does not support the buffer
interface' when trying to write to the conffile
2016-11-07 13:41:26,327 WARNING no activity 2400 seconds (Configuring
base-files (amd64)) - sending ctrl-c
2016-11-07 13:41:26,371 ERROR not handled exception:
Traceback (most recent call last):
File "/tmp/ubuntu-release-upgrader-b1xls5f6/xenial", line 8, in <module>
sys.exit(main())
File "/tmp/ubuntu-release-upgrader-b1xls5f6/DistUpgrade/DistUpgradeMain.py",
line 242, in main
if app.run():
File
"/tmp/ubuntu-release-upgrader-b1xls5f6/DistUpgrade/DistUpgradeController.py",
line 1876, in run
return self.fullUpgrade()
File
"/tmp/ubuntu-release-upgrader-b1xls5f6/DistUpgrade/DistUpgradeController.py",
line 1841, in fullUpgrade
if not self.doDistUpgrade():
File
"/tmp/ubuntu-release-upgrader-b1xls5f6/DistUpgrade/DistUpgradeController.py",
line 1182, in doDistUpgrade
res = self.cache.commit(fprogress,iprogress)
File "/tmp/ubuntu-release-upgrader-b1xls5f6/DistUpgrade/DistUpgradeCache.py",
line 267, in commit
apt.Cache.commit(self, fprogress, iprogress)
File "/usr/lib/python3/dist-packages/apt/cache.py", line 501, in commit
res = self.install_archives(pm, install_progress)
File "/usr/lib/python3/dist-packages/apt/cache.py", line 465, in
install_archives
res = install_progress.run(pm)
File "/tmp/ubuntu-release-upgrader-b1xls5f6/DistUpgrade/DistUpgradeView.py",
line 234, in run
res = os.WEXITSTATUS(self.wait_child())
File "/tmp/ubuntu-release-upgrader-b1xls5f6/DistUpgrade/DistUpgradeView.py",
line 200, in wait_child
self.update_interface()
File
"/tmp/ubuntu-release-upgrader-b1xls5f6/DistUpgrade/DistUpgradeViewNonInteractive.py",
line 221, in update_interface
os.write(self.master_fd,chr(3))
TypeError: 'str' does not support the buffer interface
2016-11-07 13:41:26,371 DEBUG confirmRestart() called
2016-11-07 13:41:26,372 DEBUG enabling apt cron job
** Affects: ubuntu-release-upgrader (Ubuntu)
Importance: Undecided
Status: New
** Attachment added: "Full output of /var/log/dist-upgrade/main.log"
https://bugs.launchpad.net/bugs/1640274/+attachment/4774506/+files/main.log
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https://bugs.launchpad.net/bugs/1640274
Title:
DistUpgradeViewNonInteractive produces error on conffile-prompt from
dpkg
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