[Bug 1027648] Re: ubiquity crashed with ValueError in command(): I/O operation on closed file.

melchiaros melchiaros at aol.com
Sun Jul 22 15:24:41 UTC 2012


In UbiquitySyslog.txt:

ul 22 15:11:11 ubuntu ubiquity[15722]: log-output -t ubiquity debconf-copydb configdb targetdb -p ^console-setup/ --config=Name:targetdb --config=Driver:File --config=Mode:0644 --config=Filename:/target/var/cache/debconf/config.dat
Jul 22 15:11:28 ubuntu ubiquity[15722]: Exception in GTK frontend (invoking crash handler):
Jul 22 15:11:28 ubuntu ubiquity[15722]: Traceback (most recent call last):
Jul 22 15:11:28 ubuntu ubiquity[15722]:   File "/usr/lib/ubiquity/ubiquity/frontend/gtk_ui.py", line 1449, in watch_debconf_fd_helper
Jul 22 15:11:28 ubuntu ubiquity[15722]:     return callback(source, debconf_condition)
Jul 22 15:11:28 ubuntu ubiquity[15722]:   File "/usr/lib/ubiquity/ubiquity/filteredcommand.py", line 257, in process_input
Jul 22 15:11:28 ubuntu ubiquity[15722]:     self.status = self.wait()
Jul 22 15:11:28 ubuntu ubiquity[15722]:   File "/usr/lib/ubiquity/ubiquity/filteredcommand.py", line 153, in wait
Jul 22 15:11:28 ubuntu ubiquity[15722]:     self.cleanup()
Jul 22 15:11:28 ubuntu ubiquity[15722]:   File "/usr/lib/ubiquity/plugins/ubi-partman.py", line 2989, in cleanup
Jul 22 15:11:28 ubuntu ubiquity[15722]:     self.preseed('grub-installer/bootdev', self.ui.get_grub_choice())
Jul 22 15:11:28 ubuntu ubiquity[15722]:   File "/usr/lib/ubiquity/ubiquity/filteredcommand.py", line 348, in preseed
Jul 22 15:11:28 ubuntu ubiquity[15722]:     self.db.set(name, value)
Jul 22 15:11:28 ubuntu ubiquity[15722]:   File "/usr/lib/python3/dist-packages/debconf.py", line 62, in <lambda>
Jul 22 15:11:28 ubuntu ubiquity[15722]:     lambda *args, **kw: self.command(command, *args, **kw))
Jul 22 15:11:28 ubuntu ubiquity[15722]:   File "/usr/lib/python3/dist-packages/debconf.py", line 66, in command
Jul 22 15:11:28 ubuntu ubiquity[15722]:     self.write.write("%s %s\n" % (command, ' '.join(map(str, params))))
Jul 22 15:11:28 ubuntu ubiquity[15722]: ValueError: I/O operation on closed file.
Jul 22 15:11:28 ubuntu ubiquity[15722]: 
Jul 22 15:11:44 ubuntu wpa_supplicant[2987]: wlan0: WPA: Group rekeying completed with 00:1c:28:aa:09:d7 [GTK=TKIP]

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Title:
  ubiquity crashed with ValueError in command(): I/O operation on closed
  file.

Status in “ubiquity” package in Ubuntu:
  Confirmed

Bug description:
  I use Ubuntu12.10 Qantal daily build amd64 from 22.7.2012.

  This occures on a installation try from a usb stick.

  To be exactly on clicking the abort button on the Install Type
  dialog(Whole disk, paritioning...).

  This is the first time that I observe this on this daily build(some
  runs this day).

  So, I have no reliable reproducing procedure.

  I have found

  https://bugs.launchpad.net/ubuntu/+source/ubiquity/+bug/911907

  , which is identified by launchpad as possible duplicate of this
  report here, but I have decided to open up a fresh ticket for this
  Quantal issue.

  ProblemType: Crash
  DistroRelease: Ubuntu 12.10
  Package: ubiquity 2.11.17
  ProcVersionSignature: Ubuntu 3.5.0-5.5-generic 3.5.0-rc7
  Uname: Linux 3.5.0-5-generic x86_64
  ApportVersion: 2.4-0ubuntu4
  Architecture: amd64
  CasperVersion: 1.320
  Date: Sun Jul 22 15:11:28 2012
  ExecutablePath: /usr/lib/ubiquity/bin/ubiquity
  InstallCmdLine: noprompt cdrom-detect/try-usb=true persistent file=/cdrom/preseed/ubuntu.seed boot=casper initrd=/casper/initrd.lz quiet splash -- maybe-ubiquity
  InterpreterPath: /usr/bin/python3.2mu
  LiveMediaBuild: Ubuntu 12.10 "Quantal Quetzal" - Alpha amd64 (20120718.1)
  ProcCmdline: /usr/bin/python3 /usr/lib/ubiquity/bin/ubiquity gtk_ui
  ProcEnviron: Error: [Errno 13] Permission denied: '/proc/15722/environ'
  PythonArgs: ['/usr/lib/ubiquity/bin/ubiquity', 'gtk_ui']
  SourcePackage: ubiquity
  Title: ubiquity crashed with ValueError in command(): I/O operation on closed file.
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups:

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