Fix collection of kernel crash into /var/spool/crash

crash_reporter.cc

 // Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <string>
 
 #include "base/file_util.h"
 #include "base/logging.h"
 #include "base/string_util.h"
 #include "crash-reporter/kernel_collector.h"
@@ skipping 71 matching lines @@
   int status __attribute__((unused)) = system(command.c_str());
 }
 
 static int Initialize(KernelCollector *kernel_collector,
                       UserCollector *user_collector,
                       UncleanShutdownCollector *unclean_shutdown_collector) {
   CHECK(!FLAGS_clean_shutdown) << "Incompatible options";
 
   bool was_kernel_crash = false;
   bool was_unclean_shutdown = false;
+  kernel_collector->Enable();
   if (kernel_collector->IsEnabled()) {
     was_kernel_crash = kernel_collector->Collect();
   }
 
   if (FLAGS_unclean_check) {
     was_unclean_shutdown = unclean_shutdown_collector->Collect();
   }
 
   // Touch a file to notify the metrics daemon that a kernel
   // crash has been detected so that it can log the time since
   // the last kernel crash.
   if (IsFeedbackAllowed()) {
     if (was_kernel_crash) {
       TouchFile(FilePath("/tmp/kernel-crash-detected"));
     } else if (was_unclean_shutdown) {
       // We only count an unclean shutdown if it did not come with
       // an associated kernel crash.
       TouchFile(FilePath("/tmp/unclean-shutdown-detected"));
     }
   }
 
   // Must enable the unclean shutdown collector *after* collecting.
-  kernel_collector->Enable();
   unclean_shutdown_collector->Enable();
   user_collector->Enable();
 
   return 0;
 }
 
 static int HandleUserCrash(UserCollector *user_collector) {
   // Handle a specific user space crash.
   CHECK(FLAGS_signal != -1) << "Signal must be set";
   CHECK(FLAGS_pid != -1) << "PID must be set";
@@ skipping 41 matching lines @@
   }
 
   if (FLAGS_clean_shutdown) {
     unclean_shutdown_collector.Disable();
     user_collector.Disable();
     return 0;
   }
 
   return HandleUserCrash(&user_collector);
 }