reset upstream subtrees to yocto 2.6

Reset the following subtrees on thud HEAD:

  poky: 87e3a9739d
  meta-openembedded: 6094ae18c8
  meta-security: 31dc4e7532
  meta-raspberrypi: a48743dc36
  meta-xilinx: c42016e2e6

Also re-apply backports that didn't make it into thud:
  poky:
    17726d0 systemd-systemctl-native: handle Install wildcards

  meta-openembedded:
    4321a5d libtinyxml2: update to 7.0.1
    042f0a3 libcereal: Add native and nativesdk classes
    e23284f libcereal: Allow empty package
    030e8d4 rsyslog: curl-less build with fmhttp PACKAGECONFIG
    179a1b9 gtest: update to 1.8.1

Squashed OpenBMC subtree compatibility updates:
  meta-aspeed:
    Brad Bishop (1):
          aspeed: add yocto 2.6 compatibility

  meta-ibm:
    Brad Bishop (1):
          ibm: prepare for yocto 2.6

  meta-ingrasys:
    Brad Bishop (1):
          ingrasys: set layer compatibility to yocto 2.6

  meta-openpower:
    Brad Bishop (1):
          openpower: set layer compatibility to yocto 2.6

  meta-phosphor:
    Brad Bishop (3):
          phosphor: set layer compatibility to thud
          phosphor: libgpg-error: drop patches
          phosphor: react to fitimage artifact rename

    Ed Tanous (4):
          Dropbear: upgrade options for latest upgrade
          yocto2.6: update openssl options
          busybox: remove upstream watchdog patch
          systemd: Rebase CONFIG_CGROUP_BPF patch

Change-Id: I7b1fe71cca880d0372a82d94b5fd785323e3a9e7
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/poky/meta/lib/oeqa/utils/qemurunner.py b/poky/meta/lib/oeqa/utils/qemurunner.py
index b87d776..c7442a2 100644
--- a/poky/meta/lib/oeqa/utils/qemurunner.py
+++ b/poky/meta/lib/oeqa/utils/qemurunner.py
@@ -350,10 +350,10 @@
         return True
 
     def stop(self):
-        self.stop_thread()
-        self.stop_qemu_system()
         if hasattr(self, "origchldhandler"):
             signal.signal(signal.SIGCHLD, self.origchldhandler)
+        self.stop_thread()
+        self.stop_qemu_system()
         if self.runqemu:
             if hasattr(self, "monitorpid"):
                 os.kill(self.monitorpid, signal.SIGKILL)
@@ -392,7 +392,7 @@
                 # qemu-system behaves well and a SIGTERM is enough
                 os.kill(self.qemupid, signal.SIGTERM)
             except ProcessLookupError as e:
-                self.logger.warn('qemu-system ended unexpectedly')
+                self.logger.warning('qemu-system ended unexpectedly')
 
     def stop_thread(self):
         if self.thread and self.thread.is_alive():
@@ -408,7 +408,7 @@
         return False
 
     def is_alive(self):
-        if not self.runqemu:
+        if not self.runqemu or self.runqemu.poll() is not None:
             return False
         if os.path.isfile(self.qemu_pidfile):
             f = open(self.qemu_pidfile, 'r')
@@ -469,7 +469,7 @@
 
     def _dump_host(self):
         self.host_dumper.create_dir("qemu")
-        self.logger.warn("Qemu ended unexpectedly, dump data from host"
+        self.logger.warning("Qemu ended unexpectedly, dump data from host"
                 " is in %s" % self.host_dumper.dump_dir)
         self.host_dumper.dump_host()