oeqa/ltp: Show warning for non-zero exit codes

When test command timeouts occur, there was no warning in the logs. Change
this to ignore "exit 1" but report all other exit codes so that timeouts
are clear.

(From OE-Core rev: 37851f948f3e7703560cf6346eb7d348d584dc7e)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/lib/oeqa/runtime/cases/ltp.py

@@ -74,6 +74,11 @@ class LtpTest(LtpTestBase):
             (status, output) = self.target.run(cmd, timeout=1200)
             endtime = time.time()
 
+            # status of 1 is 'just' tests failing. 255 likely was a command output timeout 
+            if status and status != 1:
+                msg = 'Command %s returned exit code %s' % (cmd, status)
+                self.target.logger.warning(msg)
+
             # Write the console log to disk for convenience
             with open(os.path.join(self.ltptest_log_dir, "%s-raw.log" % ltp_group), 'w') as f:
                 f.write(output)