diff --git a/scripts/runqemu b/scripts/runqemu index ba7c1b2461dfe21862a19f146e6ab389a0cb816b..8a417a7c246dde8129b51b39318e5e251adcbd73 100755 --- a/scripts/runqemu +++ b/scripts/runqemu @@ -1150,16 +1150,20 @@ to your build configuration. uid = os.getuid() logger.info("Setting up tap interface under sudo") cmd = ('sudo', self.qemuifup, str(uid), str(gid), self.bindir_native) - try: - tap = subprocess.check_output(cmd).decode('utf-8').strip() - except subprocess.CalledProcessError as e: - logger.error('Setting up tap device failed:\n%s\nRun runqemu-gen-tapdevs to manually create one.' % str(e)) - sys.exit(1) - lockfile = os.path.join(lockdir, tap) - self.taplock = lockfile + '.lock' - self.acquire_taplock() - self.cleantap = True - logger.debug('Created tap: %s' % tap) + for _ in range(5): + try: + tap = subprocess.check_output(cmd).decode('utf-8').strip() + except subprocess.CalledProcessError as e: + logger.error('Setting up tap device failed:\n%s\nRun runqemu-gen-tapdevs to manually create one.' % str(e)) + sys.exit(1) + lockfile = os.path.join(lockdir, tap) + self.taplock = lockfile + '.lock' + if self.acquire_taplock(): + self.cleantap = True + logger.debug('Created tap: %s' % tap) + break + else: + tap = None if not tap: logger.error("Failed to setup tap device. Run runqemu-gen-tapdevs to manually create.")