Merge ~jocave/plainbox-provider-snappy:turn-on-sysrq into plainbox-provider-snappy:master

[Jonathan Cave]

Make sure all functions of kernel sysrq are enabled before attempting to trigger an event.

[Sylvain Pineau (sylvain-pineau)]

+1

review: Approve

[Devices Certification Bot (ce-certification-qa)]

The merge was fine but running tests failed.

[xenial] [09:33:07] starting container
Device project added to xenial-testing
[bionic] [09:33:12] starting container
[trusty] [09:33:14] starting container
Device project added to bionic-testing
Device project added to trusty-testing
[xenial] [09:33:19] provisioning container
[bionic] [09:33:30] provisioning container
[trusty] [09:33:30] provisioning container
[bionic] [09:34:33] Unable to provision requirements in container!
[bionic] output: https://paste.ubuntu.com/p/JJ2KN8pM3g/
[bionic] [09:34:36] Fixing file permissions in source directory
[bionic] Destroying failed container to reclaim resources
[xenial] [09:34:44] Starting tests...
[xenial] Found a test script: ./requirements/container-tests-provider-snappy
[trusty] [09:34:50] Starting tests...
[trusty] Found a test script: ./requirements/container-tests-provider-snappy
[trusty] [09:35:13] container-tests-provider-snappy: PASS
[trusty] [09:35:13] Fixing file permissions in source directory
[xenial] [09:35:13] container-tests-provider-snappy: PASS
[xenial] [09:35:13] Fixing file permissions in source directory
[trusty] [09:35:14] Destroying container
[xenial] [09:35:14] Destroying container

review: Needs Fixing

diff --git a/units/watchdog/jobs.pxu b/units/watchdog/jobs.pxu
index 9767e8e..76f5278 100644
--- a/units/watchdog/jobs.pxu
+++ b/units/watchdog/jobs.pxu
@@ -42,6 +42,7 @@ _steps:
 _verification:
  Did the board reset itself?
 command:
+  echo 1 > /proc/sys/kernel/sysrq
   echo 0 > /proc/sys/kernel/panic
   echo c > /proc/sysrq-trigger
 flags: noreturn preserve-locale