** Changed in: ubuntu-release-upgrader (Ubuntu)
Assignee: (unassigned) = Barry Warsaw (barry)
** Changed in: ubuntu-release-upgrader (Ubuntu)
Importance: Low = High
** Changed in: ubuntu-release-upgrader (Ubuntu)
Status: Triaged = In Progress
** Package changed:
This is also being tracked in bug 1093071.
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https://bugs.launchpad.net/bugs/1058884
Title:
do-release-upgrade crashed with EOFError in /usr/lib/ubuntu-release-
I still think this isn't the whole story. Even if pyc files aren't
written atomically before Python 3.3, it still seems like the race
condition window is exceedingly small. I don't have any brilliant ideas
about what could be going wrong and haven't ever seen it myself or know
how to reproduce
Only three of the similar bugs have dmesg information (which may show
hardware errors) included and there was nothing denoting a hardware
error in them. However, it makes me think we should be collecting
something similar to currentdmesg with release upgrade bug reports.
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Note that .pyc files are not included in the packaging, they are
produced at install time, so they don't contribute to any checksums.
The .py files do, but these aren't what trigger the error message.
The reason for this is that at package build time, you don't know what
versions of Python may be
Actually: http://bugs.python.org/issue16384
And I think I'm wrong. pyc files are written atomically in Python 3.3,
but afaict that's not the case in Python 3.2. The import machinery was
rewritten in Python for 3.3. So this could be a race condition for
earlier Pythons.
** Changed in:
This message comes from Python's built-in 'marshal' module, and it
happens when EOF occurs unexpectedly while unmarshalling a string
object. Marshal is the technology that underlies .pyc files, so this is
only going to happen if you have corrupt .pyc files.
I have no idea what could be causing
I don't agree that it's incomplete. there exists possibility that
python3-distupgrade will fail to properly install but not provide any
error, despite the md5sum being wrong. re-installing corrects it.
I can say with absolute certainty that my hardware was not at fault. no
other packages had
I did a search for some other EOFErrrors and found the following:
bdmurray@bizarro:/mnt/storage/bug-attachments/update-manager$ grep -r
'EOFError' *
bug-1035192/Description.txt:Title: update-manager crashed with EOFError in
/usr/lib/python3/dist-packages/UpdateManager/UpdatesAvailable.py: EOF
I had this bug on two machines.
Reinstalling python3-distupgrade corrects the bug on both.
** Changed in: ubuntu-release-upgrader (Ubuntu)
Status: Expired = Confirmed
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[Expired for ubuntu-release-upgrader (Ubuntu) because there has been no
activity for 60 days.]
** Changed in: ubuntu-release-upgrader (Ubuntu)
Status: Incomplete = Expired
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issue has not returned, must have been fixed by some other commit
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https://bugs.launchpad.net/bugs/1058884
Title:
do-release-upgrade crashed with EOFError in /usr/lib/ubuntu-release-
** Information type changed from Private to Public
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https://bugs.launchpad.net/bugs/1058884
Title:
do-release-upgrade crashed with EOFError in /usr/lib/ubuntu-release-
I wonder if something is wrong with /usr/lib/python3/dist-
packages/DistUpgrade/DistUpgradeVersion.py on your system. The md5sum
for it should be 5f632f7debefec8464862c418ee0f3ae. Could you verify the
md5sum and if it is incorrect please reinstall the package
python3-distupgrade? Thanks in
I get 431cb3e648b99dde8665698b58109f9f but it is working now. I'll try
re-installing when I get time.
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https://bugs.launchpad.net/bugs/1058884
Title:
do-release-upgrade crashed with
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