Public bug reported:
When I'm trying to update from Xubuntu 11.10 to 12.04 as offered by update
manager, update process stucks soon after start.
The following happens:
There is "precise" process which hogs all CPU:
5280 root 20 0 322m 143m 76m R 100 1.8 9:14.34 precise
Looks like if update process haves some bug and unable to recover
gracefully on some condition and just hangs.
As the result system is stuck in the middle of upgrade. Repos were
already re-assigned but update hasn't occurs and no GUI dialogs appear.
Strace on this process gives the following infinite loop which makes me
to think process just can't find some files:
read(0, "", 4096) = 0
stat("/tmp/update-manager-pPVClj/mo/en_US.UTF-8/LC_MESSAGES/update-manager.mo",
0x7fff38405a40) = -1 ENOENT (No such file or directory)
stat("/usr/share/locale-langpack/en_US.UTF-8/LC_MESSAGES/update-manager.mo",
0x7fff38405a40) = -1 ENOENT (No such file or directory)
stat("/tmp/update-manager-pPVClj/mo/en_US/LC_MESSAGES/update-manager.mo",
0x7fff38405a40) = -1 ENOENT (No such file or directory)
stat("/usr/share/locale-langpack/en_US/LC_MESSAGES/update-manager.mo",
0x7fff38405a40) = -1 ENOENT (No such file or directory)
stat("/tmp/update-manager-pPVClj/mo/en.UTF-8/LC_MESSAGES/update-manager.mo",
0x7fff38405a40) = -1 ENOENT (No such file or directory)
stat("/usr/share/locale-langpack/en.UTF-8/LC_MESSAGES/update-manager.mo",
0x7fff38405a40) = -1 ENOENT (No such file or directory)
stat("/tmp/update-manager-pPVClj/mo/en/LC_MESSAGES/update-manager.mo",
0x7fff38405a40) = -1 ENOENT (No such file or directory)
stat("/usr/share/locale-langpack/en/LC_MESSAGES/update-manager.mo",
0x7fff38405a40) = -1 ENOENT (No such file or directory)
stat("/tmp/update-manager-pPVClj/mo/en_US.UTF-8/LC_MESSAGES/update-manager.mo",
0x7fff38405a40) = -1 ENOENT (No such file or directory)
stat("/usr/share/locale-langpack/en_US.UTF-8/LC_MESSAGES/update-manager.mo",
0x7fff38405a40) = -1 ENOENT (No such file or directory)
stat("/tmp/update-manager-pPVClj/mo/en_US/LC_MESSAGES/update-manager.mo",
0x7fff38405a40) = -1 ENOENT (No such file or directory)
stat("/usr/share/locale-langpack/en_US/LC_MESSAGES/update-manager.mo",
0x7fff38405a40) = -1 ENOENT (No such file or directory)
stat("/tmp/update-manager-pPVClj/mo/en.UTF-8/LC_MESSAGES/update-manager.mo",
0x7fff38405a40) = -1 ENOENT (No such file or directory)
stat("/usr/share/locale-langpack/en.UTF-8/LC_MESSAGES/update-manager.mo",
0x7fff38405a40) = -1 ENOENT (No such file or directory)
stat("/tmp/update-manager-pPVClj/mo/en/LC_MESSAGES/update-manager.mo",
0x7fff38405a40) = -1 ENOENT (No such file or directory)
stat("/usr/share/locale-langpack/en/LC_MESSAGES/update-manager.mo",
0x7fff38405a40) = -1 ENOENT (No such file or directory)
stat("/tmp/update-manager-pPVClj/mo/en_US.UTF-8/LC_MESSAGES/update-manager.mo",
0x7fff38405a40) = -1 ENOENT (No such file or directory)
stat("/usr/share/locale-langpack/en_US.UTF-8/LC_MESSAGES/update-manager.mo",
0x7fff38405a40) = -1 ENOENT (No such file or directory)
stat("/tmp/update-manager-pPVClj/mo/en_US/LC_MESSAGES/update-manager.mo",
0x7fff38405a40) = -1 ENOENT (No such file or directory)
stat("/usr/share/locale-langpack/en_US/LC_MESSAGES/update-manager.mo",
0x7fff38405a40) = -1 ENOENT (No such file or directory)
stat("/tmp/update-manager-pPVClj/mo/en.UTF-8/LC_MESSAGES/update-manager.mo",
0x7fff38405a40) = -1 ENOENT (No such file or directory)
stat("/usr/share/locale-langpack/en.UTF-8/LC_MESSAGES/update-manager.mo",
0x7fff38405a40) = -1 ENOENT (No such file or directory)
stat("/tmp/update-manager-pPVClj/mo/en/LC_MESSAGES/update-manager.mo",
0x7fff38405a40) = -1 ENOENT (No such file or directory)
stat("/usr/share/locale-langpack/en/LC_MESSAGES/update-manager.mo",
0x7fff38405a40) = -1 ENOENT (No such file or directory)
stat("/tmp/update-manager-pPVClj/mo/en_US.UTF-8/LC_MESSAGES/update-manager.mo",
0x7fff38405a40) = -1 ENOENT (No such file or directory)
stat("/usr/share/locale-langpack/en_US.UTF-8/LC_MESSAGES/update-manager.mo",
0x7fff38405a40) = -1 ENOENT (No such file or directory)
stat("/tmp/update-manager-pPVClj/mo/en_US/LC_MESSAGES/update-manager.mo",
0x7fff38405a40) = -1 ENOENT (No such file or directory)
stat("/usr/share/locale-langpack/en_US/LC_MESSAGES/update-manager.mo",
0x7fff38405a40) = -1 ENOENT (No such file or directory)
stat("/tmp/update-manager-pPVClj/mo/en.UTF-8/LC_MESSAGES/update-manager.mo",
0x7fff38405a40) = -1 ENOENT (No such file or directory)
stat("/usr/share/locale-langpack/en.UTF-8/LC_MESSAGES/update-manager.mo",
0x7fff38405a40) = -1 ENOENT (No such file or directory)
stat("/tmp/update-manager-pPVClj/mo/en/LC_MESSAGES/update-manager.mo",
0x7fff38405a40) = -1 ENOENT (No such file or directory)
stat("/usr/share/locale-langpack/en/LC_MESSAGES/update-manager.mo",
0x7fff38405a40) = -1 ENOENT (No such file or directory)
stat("/tmp/update-manager-pPVClj/mo/en_US.UTF-8/LC_MESSAGES/update-manager.mo",
0x7fff38405a40) = -1 ENOENT (No such file or directory)
stat("/usr/share/locale-langpack/en_US.UTF-8/LC_MESSAGES/update-manager.mo",
0x7fff38405a40) = -1 ENOENT (No such file or directory)
stat("/tmp/update-manager-pPVClj/mo/en_US/LC_MESSAGES/update-manager.mo",
0x7fff38405a40) = -1 ENOENT (No such file or directory)
stat("/usr/share/locale-langpack/en_US/LC_MESSAGES/update-manager.mo",
0x7fff38405a40) = -1 ENOENT (No such file or directory)
stat("/tmp/update-manager-pPVClj/mo/en.UTF-8/LC_MESSAGES/update-manager.mo",
0x7fff38405a40) = -1 ENOENT (No such file or directory)
stat("/usr/share/locale-langpack/en.UTF-8/LC_MESSAGES/update-manager.mo",
0x7fff38405a40) = -1 ENOENT (No such file or directory)
stat("/tmp/update-manager-pPVClj/mo/en/LC_MESSAGES/update-manager.mo",
0x7fff38405a40) = -1 ENOENT (No such file or directory)
stat("/usr/share/locale-langpack/en/LC_MESSAGES/update-manager.mo",
0x7fff38405a40) = -1 ENOENT (No such file or directory)
read(0, "", 4096) = 0
stat("/tmp/update-manager-pPVClj/mo/en_US.UTF-8/LC_MESSAGES/update-manager.mo",
0x7fff38405a40) = -1 ENOENT (No such file or directory)
stat("/usr/share/locale-langpack/en_US.UTF-8/LC_MESSAGES/update-manager.mo",
0x7fff38405a40) = -1 ENOENT (No such file or directory)
stat("/tmp/update-manager-pPVClj/mo/en_US/LC_MESSAGES/update-manager.mo",
0x7fff38405a40) = -1 ENOENT (No such file or directory)
stat("/usr/share/locale-langpack/en_US/LC_MESSAGES/update-manager.mo",
0x7fff38405a40) = -1 ENOENT (No such file or directory)
stat("/tmp/update-manager-pPVClj/mo/en.UTF-8/LC_MESSAGES/update-manager.mo",
0x7fff38405a40) = -1 ENOENT (No such file or directory)
stat("/usr/share/locale-langpack/en.UTF-8/LC_MESSAGES/update-manager.mo",
0x7fff38405a40) = -1 ENOENT (No such file or directory)
stat("/tmp/update-manager-pPVClj/mo/en/LC_MESSAGES/update-manager.mo",
0x7fff38405a40) = -1 ENOENT (No such file or directory)
stat("/usr/share/locale-langpack/en/LC_MESSAGES/update-manager.mo",
0x7fff38405a40) = -1 ENOENT (No such file or directory)
stat("/tmp/update-manager-pPVClj/mo/en_US.UTF-8/LC_MESSAGES/update-manager.mo",
0x7fff38405a40) = -1 ENOENT (No such file or directory)
stat("/usr/share/locale-langpack/en_US.UTF-8/LC_MESSAGES/update-manager.mo",
0x7fff38405a40) = -1 ENOENT (No such file or directory)
stat("/tmp/update-manager-pPVClj/mo/en_US/LC_MESSAGES/update-manager.mo",
0x7fff38405a40) = -1 ENOENT (No such file or directory)
stat("/usr/share/locale-langpack/en_US/LC_MESSAGES/update-manager.mo",
0x7fff38405a40) = -1 ENOENT (No such file or directory)
stat("/tmp/update-manager-pPVClj/mo/en.UTF-8/LC_MESSAGES/update-manager.mo",
0x7fff38405a40) = -1 ENOENT (No such file or directory)
stat("/usr/share/locale-langpack/en.UTF-8/LC_MESSAGES/update-manager.mo",
0x7fff38405a40) = -1 ENOENT (No such file or directory)
stat("/tmp/update-manager-pPVClj/mo/en/LC_MESSAGES/update-manager.mo",
0x7fff38405a40) = -1 ENOENT (No such file or directory)
stat("/usr/share/locale-langpack/en/LC_MESSAGES/update-manager.mo",
0x7fff38405a40) = -1 ENOENT (No such file or directory)
stat("/tmp/update-manager-pPVClj/mo/en_US.UTF-8/LC_MESSAGES/update-manager.mo",
0x7fff38405a40) = -1 ENOENT (No such file or directory)
stat("/usr/share/locale-langpack/en_US.UTF-8/LC_MESSAGES/update-manager.mo",
0x7fff38405a40) = -1 ENOENT (No such file or directory)
stat("/tmp/update-manager-pPVClj/mo/en_US/LC_MESSAGES/update-manager.mo",
0x7fff38405a40) = -1 ENOENT (No such file or directory)
stat("/usr/share/locale-langpack/en_US/LC_MESSAGES/update-manager.mo",
0x7fff38405a40) = -1 ENOENT (No such file or directory)
stat("/tmp/update-manager-pPVClj/mo/en.UTF-8/LC_MESSAGES/update-manager.mo",
0x7fff38405a40) = -1 ENOENT (No such file or directory)
^CProcess 5280 detached
** Affects: update-manager (Ubuntu)
Importance: Undecided
Status: New
** Tags: deadlock failed hang update
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https://bugs.launchpad.net/bugs/997365
Title:
Xubuntu: unable to update to 12.04 - "precise" process hangs.
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