kernel_BootMessagesServer: initial add of new test

server/site_tests/kernel_BootMessagesServer/kernel_BootMessagesServer.py

+# Copyright (c) 2009 The Chromium OS Authors. All rights reserved.

[Sameer Nanda, 2011/02/18 17:27:40]

2011?

+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+import logging, os
+from autotest_lib.client.bin import utils
+from autotest_lib.client.common_lib import error
+from autotest_lib.server import test
+
+_KERN_WARNING = 4
+
+_WARNINGS_WHITELIST = [
+    "Kernel-defined memdesc doesn't match the one from EFI!",
+    "Warning only 1919MB will be used.",
+    "Use a HIGHMEM enabled kernel.",
+    "pnp 00:01: io resource (0x164e-0x164f) overlaps 0000:00:1c.0 BAR 7 (0x1000-0x1fff), disabling",

[Sameer Nanda, 2011/02/18 17:27:40]

 > 80 chars

+    "i915 0000:00:02.0: Invalid ROM contents",
+    "[drm:intel_init_bios] *ERROR* VBT signature missing",
+    "usb 1-2: config 1 has an invalid interface number: 1 but max is 0",
+    "usb 1-2: config 1 has no interface number 0",
+    "device-mapper: verity: Failed to acquire device 'ROOT_DEV': -1",
+    "device-mapper: table: 254:0: verity: Device lookup failed",
+    "dm: starting dm-0 (vroot) failed",
+    "EXT3-fs warning: maximal mount count reached, running e2fsck is recommended",

[Sameer Nanda, 2011/02/18 17:27:40]

 > 80 chars

+    "i2c i2c-2: The new_device interface is still experimental and may change in a near future",

[Sameer Nanda, 2011/02/18 17:27:40]

 > 80 chars

+    "industrialio: module is from the staging directory, the quality is unknown, you have been warned.",

[Sameer Nanda, 2011/02/18 17:27:40]

 > 80 chars

+    "tsl2563: module is from the staging directory, the quality is unknown, you have been warned.",

[Sameer Nanda, 2011/02/18 17:27:40]

 > 80 chars

+]

[Sameer Nanda, 2011/02/18 17:27:40]

Do you want to make the warnings whitelist platform specific?  The ARM whitelist
will be very different.

+
+class kernel_BootMessagesServer(test.test):
+    version = 1
+
+
+    def read_dmesg(self, filename):
+        f = open(filename, 'w')
+        self.client.run('dmesg -r', stdout_tee=f)
+        f.close()
+
+
+    def reboot_machine(self):
+        self.client.run('reboot')
+        self.client.wait_down()
+        self.client.wait_up()
+
+
+    def run_once(self, host=None):
+        self.client = host
+        self.client_test = 'kernel_BootMessages'
+        dmesg_filename = os.path.join(self.resultsdir, 'dmesg')
+
+        self.reboot_machine()
+        self.read_dmesg(dmesg_filename)
+        dmesg = utils.read_file(dmesg_filename)
+        unexpected = False
+
+        f = open(os.path.join(self.resultsdir, 'dmesg.err'), 'w')
+        for line in dmesg.split('\n'):

[Sameer Nanda, 2011/02/18 17:27:40]

use dmesg.splitlines instead?

+            if line and int(line[1]) <= _KERN_WARNING:
+                if not 'used greatest stack depth' in line:
+                    stripped_line = line.split('] ', 1)[1]
+                    if not stripped_line in _WARNINGS_WHITELIST:
+                        logging.error('UNEXPECTED DMESG: %s' % stripped_line)
+                        unexpected = True
+                        f.write('%s\n' % line)
+        f.close()
+
+        if unexpected:
+             raise error.TestFail("Unexpected dmesg warnings and/or errors.")