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Commit 41aa2489 authored by Gavin Corkery's avatar Gavin Corkery Committed by Automerger Merge Worker
Browse files

Merge "Store userspace reboot info in /metadata" am: c0d11aa7 

Original change: https://android-review.googlesource.com/c/platform/system/core/+/1308213

Change-Id: I05886a93caf7baaa8a0baeec759c3b2b52d5a444
parents a2ce91c2 c0d11aa7

init/builtins.cpp

+4 −0
Original line number Diff line number Diff line
@@ -1173,6 +1173,10 @@ static Result<void> do_remount_userdata(const BuiltinArguments& args) { 
    }

    // TODO(b/135984674): check that fstab contains /data.

    if (auto rc = fs_mgr_remount_userdata_into_checkpointing(&fstab); rc < 0) {

        std::string proc_mounts_output;

        android::base::ReadFileToString("/proc/mounts", &proc_mounts_output, true);

        android::base::WriteStringToFile(proc_mounts_output,

                                         "/metadata/userspacereboot/mount_info.txt");

        trigger_shutdown("reboot,mount_userdata_failed");

    }

    if (auto result = queue_fs_event(initial_mount_fstab_return_code, true); !result.ok()) {

init/reboot.cpp

+16 −2
Original line number Diff line number Diff line
@@ -804,11 +804,19 @@ static Result<void> DoUserspaceReboot() { 
    auto sigkill_timeout = GetMillisProperty("init.userspace_reboot.sigkill.timeoutmillis", 10s);

    LOG(INFO) << "Timeout to terminate services: " << sigterm_timeout.count() << "ms "

              << "Timeout to kill services: " << sigkill_timeout.count() << "ms";

    std::string services_file_name = "/metadata/userspacereboot/services.txt";

    const int flags = O_RDWR | O_CREAT | O_SYNC | O_APPEND | O_CLOEXEC;

    StopServicesAndLogViolations(stop_first, sigterm_timeout, true /* SIGTERM */);

    if (int r = StopServicesAndLogViolations(stop_first, sigkill_timeout, false /* SIGKILL */);

        r > 0) {

        auto fd = unique_fd(TEMP_FAILURE_RETRY(open(services_file_name.c_str(), flags, 0666)));

        android::base::WriteStringToFd("Post-data services still running: \n", fd);

        for (const auto& s : stop_first) {

            if (s->IsRunning()) {

                android::base::WriteStringToFd(s->name() + "\n", fd);

            }

        }

        sub_reason = "sigkill";

        // TODO(b/135984674): store information about offending services for debugging.

        return Error() << r << " post-data services are still running";

    }

    if (auto result = KillZramBackingDevice(); !result.ok()) {
@@ -822,8 +830,14 @@ static Result<void> DoUserspaceReboot() { 
    if (int r = StopServicesAndLogViolations(GetDebuggingServices(true /* only_post_data */),

                                             sigkill_timeout, false /* SIGKILL */);

        r > 0) {

        auto fd = unique_fd(TEMP_FAILURE_RETRY(open(services_file_name.c_str(), flags, 0666)));

        android::base::WriteStringToFd("Debugging services still running: \n", fd);

        for (const auto& s : GetDebuggingServices(true)) {

            if (s->IsRunning()) {

                android::base::WriteStringToFd(s->name() + "\n", fd);

            }

        }

        sub_reason = "sigkill_debug";

        // TODO(b/135984674): store information about offending services for debugging.

        return Error() << r << " debugging services are still running";

    }

    {

rootdir/init.rc

+1 −0
Original line number Diff line number Diff line
@@ -510,6 +510,7 @@ on post-fs 
    mkdir /metadata/bootstat 0750 system log

    mkdir /metadata/ota 0700 root system

    mkdir /metadata/ota/snapshots 0700 root system

    mkdir /metadata/userspacereboot 0770 root system



    mkdir /metadata/apex 0700 root system

    mkdir /metadata/apex/sessions 0700 root system