QA reports that this first started breaking on the 2011-11-16 looking at the publishing history the kernel changed on 2011-10-28 and 2011-11-18 and that was a microscopic update. The version of python and eglibc would also have been the same as oneiric:
10:42:43 jibel | apw, it started on Nov. 16th with Ubuntu 12.04 LTS "Precise Pangolin" - | Alpha i386 (20111116) 10:45:56 pitti | apw: that pretty much rules out eglibc then 10:46:16 pitti | apw: python as well, unchanged since oneiric 10:50:38 apw | pitti, to confirm i am reading the publishing history right, we uploaded | 3.1.0-2.2 on the 2011-10-28 and 2.3 on the 2011-11-18 10:50:53 pitti | right -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/894768 Title: Installation randomly fails with: File "/usr/lib/ubiquity/ubiquity/install_misc.py", line 621, in copy_file targetfh.write(buf) IOError: [Errno 22] Invalid argument To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/894768/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs