qemurunner: Improves checking for server and target IPs on qemus parameters

Fixes OS hanging infinitely waiting for qemus process to release bitbake.lock

(From OE-Core rev: d168bf34c553dbe5de7511e158cd83869d7a88bc)

(From OE-Core rev: 99ac0971aecb1b6bc113da28b79d169095e6b671)

Signed-off-by: Alejandro Hernandez <alejandro.hernandez@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Signed-off-by: Armin Kuster <akuster808@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 8 insertions, 5 deletions

diff --git a/meta/lib/oeqa/utils/qemurunner.py b/meta/lib/oeqa/utils/qemurunner.py
index f12e65d1b0..16cf0e09c5 100644
--- a/meta/lib/oeqa/utils/qemurunner.py
+++ b/meta/lib/oeqa/utils/qemurunner.py
@@ -107,14 +107,17 @@ class QemuRunner:
             cmdline = ''
             with open('/proc/%s/cmdline' % self.qemupid) as p:
                 cmdline = p.read()
-            ips = re.findall("((?:[0-9]{1,3}\.){3}[0-9]{1,3})", cmdline.split("ip=")[1])
-            if not ips or len(ips) != 3:
+            try:
+                ips = re.findall("((?:[0-9]{1,3}\.){3}[0-9]{1,3})", cmdline.split("ip=")[1])
+                if not ips or len(ips) != 3:
+                    raise ValueError
+                else:
+                    self.ip = ips[0]
+                    self.server_ip = ips[1]
+            except IndexError, ValueError:
                 logger.info("Couldn't get ip from qemu process arguments! Here is the qemu command line used: %s" % cmdline)
                 self.stop()
                 return False
-            else:
-                self.ip = ips[0]
-                self.server_ip = ips[1]
             logger.info("Target IP: %s" % self.ip)
             logger.info("Server IP: %s" % self.server_ip)
             logger.info("Waiting at most %d seconds for login banner" % self.boottime)