[Bug 1447756] Re: segfault in log.c code causes phone reboot loops

[Steve Langasek]

Note for the record that this bug has so far only been reported on the
ubuntu-rtm branch, not the ubuntu branch, of the upstart package.
However, the differences between these branches are negligible and
include no changes to the upstream code.

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https://bugs.launchpad.net/bugs/1447756

Title:
  segfault in log.c code causes phone reboot loops

Status in the base for Ubuntu mobile products:
  Confirmed
Status in upstart package in Ubuntu:
  Confirmed

Bug description:
  We recently started getting reprots from phone users that their
  devices go into a reboot loop after changing the language or getting
  an OTA upgrade (either of both end with a reboot of the phone)

  after a bit of research we collected the log at
  http://pastebin.ubuntu.com/10872934/

  this shows a segfault of upstarts init binary in the log.c code:

  [    6.999083]init: log.c:819: Assertion failed in log_clear_unflushed: log->unflushed->len
  [    7.000279]init: Caught abort, core dumped
  [    7.467176]Kernel panic - not syncing: Attempted to kill init! exitcode=0x00000600

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