[Bug 1295556] [NEW] Updater doesn't know how to handle UnicodeDecodeError in error callback

[BakLAN]

Public bug reported:

Trying to upgrade from 13.10 to 14.04, I'm getting an error:

Виникла невиправна помилка

Будь ласка, повідомте про цю помилку та додайте файли 
/var/log/dist-upgrade/main.log та /var/log/dist-upgrade/apt.log до 
вашого звіту. Оновлення було перервано. 
Ваш оригінальний sources.list було збережено в 
/etc/apt/sources.list.distUpgrade. 

Traceback (most recent call last):

File "/tmp/ubuntu-release-upgrader-l5jrqb/trusty", line 10, in 
<module> 
sys.exit(main()) 

File 
"/tmp/ubuntu-release-upgrader-l5jrqb/DistUpgrade/DistUpgradeMain.py", 
line 243, in main 
if app.run(): 

File 
"/tmp/ubuntu-release-upgrader-l5jrqb/DistUpgrade/DistUpgradeController.py", 
line 1826, in run 
return self.fullUpgrade() 

File 
"/tmp/ubuntu-release-upgrader-l5jrqb/DistUpgrade/DistUpgradeController.py", 
line 1779, in fullUpgrade 
if not self.askDistUpgrade(): 

File 
"/tmp/ubuntu-release-upgrader-l5jrqb/DistUpgrade/DistUpgradeController.py", 
line 1005, in askDistUpgrade 
self.cache.required_download) 

File 
"/tmp/ubuntu-release-upgrader-l5jrqb/DistUpgrade/DistUpgradeViewText.py", 
line 172, in confirmChanges 
res = sys.stdin.readline().decode(ENCODING, "backslashreplace") 

File "/usr/lib/python2.7/encodings/utf_8.py", line 16, in decode 
return codecs.utf_8_decode(input, errors, True) 

TypeError: don't know how to handle UnicodeDecodeError in error 
callback

** Affects: ubuntu-release-upgrader (Ubuntu)
     Importance: Undecided
         Status: New

** Attachment added: "apt.log"
   https://bugs.launchpad.net/bugs/1295556/+attachment/4035316/+files/apt.log

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https://bugs.launchpad.net/bugs/1295556

Title:
  Updater doesn't know how to handle UnicodeDecodeError in error
  callback

Status in “ubuntu-release-upgrader” package in Ubuntu:
  New

Bug description:
  Trying to upgrade from 13.10 to 14.04, I'm getting an error:

  Виникла невиправна помилка

  Будь ласка, повідомте про цю помилку та додайте файли 
  /var/log/dist-upgrade/main.log та /var/log/dist-upgrade/apt.log до 
  вашого звіту. Оновлення було перервано. 
  Ваш оригінальний sources.list було збережено в 
  /etc/apt/sources.list.distUpgrade. 

  Traceback (most recent call last):

  File "/tmp/ubuntu-release-upgrader-l5jrqb/trusty", line 10, in 
  <module> 
  sys.exit(main()) 

  File 
  "/tmp/ubuntu-release-upgrader-l5jrqb/DistUpgrade/DistUpgradeMain.py", 
  line 243, in main 
  if app.run(): 

  File 
  "/tmp/ubuntu-release-upgrader-l5jrqb/DistUpgrade/DistUpgradeController.py", 
  line 1826, in run 
  return self.fullUpgrade() 

  File 
  "/tmp/ubuntu-release-upgrader-l5jrqb/DistUpgrade/DistUpgradeController.py", 
  line 1779, in fullUpgrade 
  if not self.askDistUpgrade(): 

  File 
  "/tmp/ubuntu-release-upgrader-l5jrqb/DistUpgrade/DistUpgradeController.py", 
  line 1005, in askDistUpgrade 
  self.cache.required_download) 

  File 
  "/tmp/ubuntu-release-upgrader-l5jrqb/DistUpgrade/DistUpgradeViewText.py", 
  line 172, in confirmChanges 
  res = sys.stdin.readline().decode(ENCODING, "backslashreplace") 

  File "/usr/lib/python2.7/encodings/utf_8.py", line 16, in decode 
  return codecs.utf_8_decode(input, errors, True) 

  TypeError: don't know how to handle UnicodeDecodeError in error 
  callback

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