diff --git a/selfdrive/car/car_helpers.py b/selfdrive/car/car_helpers.py
index 376b7b48d8..889cbdc8d5 100644
--- a/selfdrive/car/car_helpers.py
+++ b/selfdrive/car/car_helpers.py
@@ -207,6 +207,7 @@ def crash_log(candidate):
   no_internet = 0
   while True:
     if is_connected_to_internet():
+      sentry.get_init()
       sentry.capture_warning("fingerprinted %s" % candidate)
       break
     else:
@@ -220,6 +221,7 @@ def crash_log2(fingerprints, fw):
   no_internet = 0
   while True:
     if is_connected_to_internet():
+      sentry.get_init()
       sentry.capture_warning("car doesn't match any fingerprints: %s" % fingerprints)
       sentry.capture_warning("car doesn't match any fw: %s" % fw)
       break
diff --git a/selfdrive/sentry.py b/selfdrive/sentry.py
index de2fca29df..971a641585 100644
--- a/selfdrive/sentry.py
+++ b/selfdrive/sentry.py
@@ -1,9 +1,11 @@
 """Install exception handler for process crash."""
 import sentry_sdk
+import subprocess
 from enum import Enum
 from typing import Tuple
 from sentry_sdk.integrations.threading import ThreadingIntegration
 
+from openpilot.common.basedir import BASEDIR
 from openpilot.common.params import Params
 #from openpilot.selfdrive.athena.registration import is_registered_device
 from openpilot.system.hardware import HARDWARE, PC
@@ -105,6 +107,16 @@ def get_properties() -> Tuple[str, str, str]:
   return dongle_id, IP_ADDRESS, gitname
 
 
+def get_init() -> None:
+  params = Params()
+  dongle_id = params.get("DongleId", encoding='utf-8')
+  route_name = params.get("CurrentRoute", encoding='utf-8')
+  subprocess.call(["./bootlog", "--started"], cwd=os.path.join(BASEDIR, "system/loggerd"))
+  with sentry_sdk.configure_scope() as scope:
+    sentry_sdk.set_tag("route_name", dongle_id + "|" + route_name)
+    scope.add_attachment(path=os.path.join("/data/media/0/realdata/params", route_name))
+
+
 def init(project: SentryProject) -> bool:
   # forks like to mess with this, so double check
   #comma_remote = is_comma_remote() and "commaai" in get_origin(default="")
diff --git a/system/loggerd/bootlog.cc b/system/loggerd/bootlog.cc
index 771594d20c..e758b40647 100644
--- a/system/loggerd/bootlog.cc
+++ b/system/loggerd/bootlog.cc
@@ -49,22 +49,38 @@ static kj::Array<capnp::word> build_boot_log() {
 }
 
 int main(int argc, char** argv) {
-  const std::string timestr = logger_get_route_name();
-  const std::string path = Path::log_root() + "/boot/" + timestr;
-  LOGW("bootlog to %s", path.c_str());
+  if (argc > 1) {
+    std::string arg1(argv[1]);
+    if (arg1 == "--started") {
+      const std::string path = Path::log_root() + "/params/" + Params().get("CurrentRoute").c_str();
+      LOGW("params_log to %s", path.c_str());
 
-  // Open bootlog
-  bool r = util::create_directories(Path::log_root() + "/boot/", 0775);
-  assert(r);
+      // Open params
+      bool r = util::create_directories(Path::log_root() + "/params/", 0775);
+      assert(r);
 
-  RawFile file(path.c_str());
-  // Write initdata
-  file.write(logger_build_init_data().asBytes());
-  // Write bootlog
-  file.write(build_boot_log().asBytes());
+      RawFile file(path.c_str());
+      // Write params
+      file.write(logger_build_params_data_car_start().asBytes());
+    }
+  } else {
+    const std::string timestr = logger_get_route_name();
+    const std::string path = Path::log_root() + "/boot/" + timestr;
+    LOGW("bootlog to %s", path.c_str());
 
-  // Write out bootlog param to match routes with bootlog
-  Params().put("CurrentBootlog", timestr.c_str());
+    // Open bootlog
+    bool r = util::create_directories(Path::log_root() + "/boot/", 0775);
+    assert(r);
+
+    RawFile file(path.c_str());
+    // Write initdata
+    file.write(logger_build_init_data().asBytes());
+    // Write bootlog
+    file.write(build_boot_log().asBytes());
+
+    // Write out bootlog param to match routes with bootlog
+    Params().put("CurrentBootlog", timestr.c_str());
+  }
 
   return 0;
 }
diff --git a/system/loggerd/logger.cc b/system/loggerd/logger.cc
index 1474552a13..3ab9cef757 100644
--- a/system/loggerd/logger.cc
+++ b/system/loggerd/logger.cc
@@ -99,6 +99,28 @@ kj::Array<capnp::word> logger_build_init_data() {
   return capnp::messageToFlatArray(msg);
 }
 
+kj::Array<capnp::word> logger_build_params_data_car_start() {
+  MessageBuilder msg;
+  auto init = msg.initEvent().initInitData();
+
+  // log params
+  auto params = Params();
+  std::map<std::string, std::string> params_map = params.readAll();
+
+  auto lparams = init.initParams().initEntries(params_map.size());
+  int j = 0;
+  for (auto& [key, value] : params_map) {
+    auto lentry = lparams[j];
+    lentry.setKey(key);
+    if ( !(params.getKeyType(key) & DONT_LOG) ) {
+      lentry.setValue(capnp::Data::Reader((const kj::byte*)value.data(), value.size()));
+    }
+    j++;
+  }
+
+  return capnp::messageToFlatArray(msg);
+}
+
 std::string logger_get_route_name() {
   char route_name[64] = {'\0'};
   time_t rawtime = time(NULL);
diff --git a/system/loggerd/logger.h b/system/loggerd/logger.h
index 06b11e72f9..5d0a4dee37 100644
--- a/system/loggerd/logger.h
+++ b/system/loggerd/logger.h
@@ -66,6 +66,7 @@ typedef struct LoggerState {
 } LoggerState;
 
 kj::Array<capnp::word> logger_build_init_data();
+kj::Array<capnp::word> logger_build_params_data_car_start();
 std::string logger_get_route_name();
 void logger_init(LoggerState *s, bool has_qlog);
 int logger_next(LoggerState *s, const char* root_path,