diff options
Diffstat (limited to 'poky/meta/lib/oeqa/utils/qemurunner.py')
| -rw-r--r-- | poky/meta/lib/oeqa/utils/qemurunner.py | 27 |
1 files changed, 25 insertions, 2 deletions
diff --git a/poky/meta/lib/oeqa/utils/qemurunner.py b/poky/meta/lib/oeqa/utils/qemurunner.py index 0032f6ed8d..abbc7f7d1f 100644 --- a/poky/meta/lib/oeqa/utils/qemurunner.py +++ b/poky/meta/lib/oeqa/utils/qemurunner.py @@ -65,7 +65,7 @@ class QemuRunner: self.boot_patterns = boot_patterns self.tmpfsdir = tmpfsdir - self.runqemutime = 120 + self.runqemutime = 300 if not workdir: workdir = os.getcwd() self.qemu_pidfile = workdir + '/pidfile_' + str(os.getpid()) @@ -192,6 +192,12 @@ class QemuRunner: qmp_file = "." + next(tempfile._get_candidate_names()) qmp_param = ' -S -qmp unix:./%s,server,wait' % (qmp_file) qmp_port = self.tmpdir + "/" + qmp_file + # Create a second socket connection for debugging use, + # note this will NOT cause qemu to block waiting for the connection + qmp_file2 = "." + next(tempfile._get_candidate_names()) + qmp_param += ' -qmp unix:./%s,server,nowait' % (qmp_file2) + qmp_port2 = self.tmpdir + "/" + qmp_file2 + self.logger.info("QMP Available for connection at %s" % (qmp_port2)) try: if self.serial_ports >= 2: @@ -342,7 +348,24 @@ class QemuRunner: finally: os.chdir(origpath) - # Release the qemu porcess to continue running + # We worry that mmap'd libraries may cause page faults which hang the qemu VM for periods + # causing failures. Before we "start" qemu, read through it's mapped files to try and + # ensure we don't hit page faults later + mapdir = "/proc/" + str(self.qemupid) + "/map_files/" + try: + for f in os.listdir(mapdir): + linktarget = os.readlink(os.path.join(mapdir, f)) + if not linktarget.startswith("/") or linktarget.startswith("/dev") or "deleted" in linktarget: + continue + with open(linktarget, "rb") as readf: + data = True + while data: + data = readf.read(4096) + # Centos7 doesn't allow us to read /map_files/ + except PermissionError: + pass + + # Release the qemu process to continue running self.run_monitor('cont') # We are alive: qemu is running |