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

[Pat McGowan]

Per Ondrej on private bug https://bugs.launchpad.net/barajas/+bug/1439778/comments/30
"I can confirm that phone which we received from BQ had same issue and problem has been resolved once applied fix developed in bug #1447756 was applied.
We should now revert workaround committed as part of Bug #1452663"

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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:
  In Progress
Status in Upstart:
  Fix Committed
Status in upstart package in Ubuntu:
  Fix Released
Status in upstart source package in Utopic:
  New
Status in upstart source package in Vivid:
  New
Status in upstart source package in Wily:
  Fix Released

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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