1# This is loader.conf - a file full of useful variables that you can 2# set to change the default load behavior of your system. You should 3# not edit this file! Put any overrides into one of the 4# loader_conf_files instead and you will be able to update these 5# defaults later without spamming your local configuration information. 6# 7# All arguments must be in double quotes. 8# 9 10### Basic configuration options ############################ 11exec="echo Loading /boot/defaults/loader.conf" 12 13kernel="kernel" # /boot sub-directory containing kernel and modules 14bootfile="kernel" # Kernel name (possibly absolute path) 15kernel_options="" # Flags to be passed to the kernel 16loader_conf_files="/boot/device.hints /boot/loader.conf" 17loader_conf_dirs="/boot/loader.conf.d" 18local_loader_conf_files="/boot/loader.conf.local" 19nextboot_conf="/boot/nextboot.conf" 20verbose_loading="NO" # Set to YES for verbose loader output 21 22### Splash screen configuration ############################ 23splash_bmp_load="NO" # Set this to YES for bmp splash screen! 24splash_pcx_load="NO" # Set this to YES for pcx splash screen! 25splash_txt_load="NO" # Set this to YES for TheDraw splash screen! 26vesa_load="NO" # Set this to YES to load the vesa module 27bitmap_load="NO" # Set this to YES if you want splash screen! 28bitmap_name="splash.bmp" # Set this to the name of the file 29bitmap_type="splash_image_data" # and place it on the module_path 30splash="/boot/images/freebsd-logo-rev.png" # Set boot_mute=YES to load it 31 32### Screen saver modules ################################### 33# This is best done in rc.conf 34screensave_load="NO" # Set to YES to load a screensaver module 35screensave_name="green_saver" # Set to the name of the screensaver module 36 37### Early hostid configuration ############################ 38hostuuid_load="YES" 39hostuuid_name="/etc/hostid" 40hostuuid_type="hostuuid" 41 42### Random number generator configuration ################## 43# See rc.conf(5). The entropy_boot_file config variable must agree with the 44# settings below. 45entropy_cache_load="YES" # Set this to NO to disable loading 46 # cached entropy at boot time 47entropy_cache_name="/boot/entropy" # Set this to the name of the file 48entropy_cache_type="boot_entropy_cache" # Required for the kernel to find 49 # the boot-time entropy cache. This 50 # must not change value even if the 51 # _name above does change! 52entropy_efi_seed="YES" # Set this to NO to disable loading 53 # entropy from the UEFI hardware 54 # random number generator API 55entropy_efi_seed_size="2048" # Set this to a different value to 56 # change the amount of entropy 57 # requested from EFI 58 59### RAM Blacklist configuration ############################ 60ram_blacklist_load="NO" # Set this to YES to load a file 61 # containing a list of addresses to 62 # exclude from the running system. 63ram_blacklist_name="/boot/blacklist.txt" # Set this to the name of the file 64ram_blacklist_type="ram_blacklist" # Required for the kernel to find 65 # the blacklist module 66 67### Microcode loading configuration ######################## 68cpu_microcode_load="NO" # Set this to YES to load and apply a 69 # microcode update file during boot. 70cpu_microcode_name="/boot/firmware/ucode.bin" # Set this to the microcode 71 # update file path. 72cpu_microcode_type="cpu_microcode" # Required for the kernel to find 73 # the microcode update file. 74 75### ACPI settings ########################################## 76acpi_dsdt_load="NO" # DSDT Overriding 77acpi_dsdt_type="acpi_dsdt" # Don't change this 78acpi_dsdt_name="/boot/acpi_dsdt.aml" 79 # Override DSDT in BIOS by this file 80acpi_video_load="NO" # Load the ACPI video extension driver 81 82### Audit settings ######################################### 83audit_event_load="NO" # Preload audit_event config 84audit_event_name="/etc/security/audit_event" 85audit_event_type="etc_security_audit_event" 86 87### Initial memory disk settings ########################### 88#mdroot_load="YES" # The "mdroot" prefix is arbitrary. 89#mdroot_type="md_image" # Create md(4) disk at boot. 90#mdroot_name="/boot/root.img" # Path to a file containing the image. 91#rootdev="ufs:/dev/md0" # Set the root filesystem to md(4) device. 92 93### Loader settings ######################################## 94#loader_delay="3" # Delay in seconds before loading anything. 95 # Default is unset and disabled (no delay). 96#autoboot_delay="10" # Delay in seconds before autobooting, 97 # -1 for no user interrupts, NO to disable 98#password="" # Prevent changes to boot options 99#bootlock_password="" # Prevent booting (see check-password.4th(8)) 100#geom_eli_passphrase_prompt="NO" # Prompt for geli(8) passphrase to mount root 101bootenv_autolist="YES" # Auto populate the list of ZFS Boot Environments 102#beastie_disable="NO" # Turn the beastie boot menu on and off 103efi_max_resolution="1x1" # Set the max resolution for EFI loader to use: 104 # 480p, 720p, 1080p, 1440p, 2160p/4k, 5k, or 105 # WidthxHeight (e.g. 1920x1080) 106#kernels="kernel kernel.old" # Kernels to display in the boot menu 107kernels_autodetect="YES" # Auto-detect kernel directories in /boot 108#loader_logo="orbbw" # Desired logo: orbbw, orb, fbsdbw, beastiebw, beastie, none 109#comconsole_speed="115200" # Set the current serial console speed 110#console="vidconsole" # A comma separated list of console(s) 111#currdev="disk1s1a" # Set the current device 112module_path="/boot/modules;/boot/dtb;/boot/dtb/overlays" # Set the module search path 113module_blacklist="drm drm2 radeonkms i915kms amdgpu" # Loader module blacklist 114#prompt="\\${interpret}" # Set the command prompt 115#root_disk_unit="0" # Force the root disk unit number 116#rootdev="disk1s1a" # Set the root filesystem 117#dumpdev="disk1s1b" # Set a dump device early in the boot process 118#tftp.blksize="1428" # Set the RFC 2348 TFTP block size. 119 # If the TFTP server does not support RFC 2348, 120 # the block size is set to 512. Valid: (8,9007) 121#twiddle_divisor="16" # >16 slows down the progress indicator; 122 # <16 speeds up the progress indicator. 123 124### Kernel settings ######################################## 125# The following boot_ variables are enabled by setting them to any value. 126# Their presence in the kernel environment (see kenv(1)) has the same 127# effect as setting the given boot flag (see boot(8)). 128#boot_askname="" # -a: Prompt the user for the name of the root device 129#boot_cdrom="" # -C: Attempt to mount root file system from CD-ROM 130#boot_ddb="" # -d: Instructs the kernel to start in the DDB debugger 131#boot_dfltroot="" # -r: Use the statically configured root file system 132#boot_gdb="" # -g: Selects gdb-remote mode for the kernel debugger 133#boot_multicons="" # -D: Use multiple consoles 134#boot_mute="" # -m: Mute the console 135#boot_pause="" # -p: Pause after each line during device probing 136#boot_serial="" # -h: Use serial console 137#boot_single="" # -s: Start system in single-user mode 138#boot_verbose="" # -v: Causes extra debugging information to be printed 139#init_path="/sbin/init:/sbin/oinit:/sbin/init.bak:/rescue/init" 140 # Sets the list of init candidates 141#init_shell="/bin/sh" # The shell binary used by init(8). 142#init_script="" # Initial script to run by init(8) before chrooting. 143#init_chroot="" # Directory for init(8) to chroot into. 144 145### Kernel tunables ######################################## 146#hw.physmem="1G" # Limit physical memory. See loader(8) 147#kern.dfldsiz="" # Set the initial data size limit 148#kern.dflssiz="" # Set the initial stack size limit 149#kern.hz="100" # Set the kernel interval timer rate 150#kern.maxbcache="" # Set the max buffer cache KVA storage 151#kern.maxdsiz="" # Set the max data size 152#kern.maxfiles="" # Set the sys. wide open files limit 153#kern.maxproc="" # Set the maximum # of processes 154#kern.maxssiz="" # Set the max stack size 155#kern.maxswzone="" # Set the max swmeta KVA storage 156#kern.maxtsiz="" # Set the max text size 157#kern.maxusers="32" # Set size of various static tables 158#kern.msgbufsize="65536" # Set size of kernel message buffer 159#kern.nbuf="" # Set the number of buffer headers 160#kern.ncallout="" # Set the maximum # of timer events 161#kern.ngroups="1023" # Set the maximum # of supplemental groups 162#kern.sgrowsiz="" # Set the amount to grow stack 163#kern.cam.boot_delay="10000" # Delay (in ms) of root mount for CAM bus 164 # registration, useful for USB sticks as root 165#kern.cam.scsi_delay="2000" # Delay (in ms) before probing SCSI 166#kern.ipc.maxsockets="" # Set the maximum number of sockets available 167#kern.ipc.nmbclusters="" # Set the number of mbuf clusters 168#kern.ipc.nsfbufs="" # Set the number of sendfile(2) bufs 169#net.inet.tcp.tcbhashsize="" # Set the value of TCBHASHSIZE 170#vfs.root.mountfrom="" # Specify root partition 171#vm.kmem_size="" # Sets the size of kernel memory (bytes) 172#debug.kdb.break_to_debugger="0" # Allow console to break into debugger. 173#debug.ktr.cpumask="0xf" # Bitmask of CPUs to enable KTR on 174#debug.ktr.mask="0x1200" # Bitmask of KTR events to enable 175#debug.ktr.verbose="1" # Enable console dump of KTR events 176 177### Module loading syntax example ########################## 178#module_load="YES" # loads module "module" 179#module_name="realname" # uses "realname" instead of "module" 180#module_type="type" # passes "-t type" to load 181#module_flags="flags" # passes "flags" to the module 182#module_before="cmd" # executes "cmd" before loading the module 183#module_after="cmd" # executes "cmd" after loading the module 184#module_error="cmd" # executes "cmd" if load fails 185
