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

 

Thanks for nudging -proposed Steve.

I've silo 021 now includes  upstart version 1.13.2-0ubuntu13.1 (which
sil2100 synced from wily).

Basic test plan is here: https://wiki.ubuntu.com/Process/TestPlans
/upstart-bug-1447756

I've tested this as follows:

$ wget http://people.canonical.com/~jhm/barajas/recovery.img
$ ubuntu-device-flash --verbose touch --bootstrap --channel=ubuntu-touch/rc-proposed/bq-aquaris.en --device krillin --recovery-image ./recovery.img
$ citrain device-upgrade 021

I then reflashed the boot.img using one from ondra which drops the
current '--no-log' option from /proc/cmdline and rebooted.

As far as I'm concerned, the fix is good. All that now remains is for
ondra or one of the folk in London who have the "failing" krillin
devices to test the above.

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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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