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# $FreeBSD$ 10 11### Basic configuration options ############################ 12exec="echo Loading /boot/defaults/loader.conf" 13 14kernel="kernel" # /boot sub-directory containing kernel and modules 15bootfile="kernel" # Kernel name (possibly absolute path) 16kernel_options="" # Flags to be passed to the kernel 17loader_conf_files="/boot/device.hints /boot/loader.conf /boot/loader.conf.local" 18nextboot_conf="/boot/nextboot.conf" 19verbose_loading="NO" # Set to YES for verbose loader output 20 21### Splash screen configuration ############################ 22splash_bmp_load="NO" # Set this to YES for bmp splash screen! 23splash_pcx_load="NO" # Set this to YES for pcx splash screen! 24splash_txt_load="NO" # Set this to YES for TheDraw splash screen! 25vesa_load="NO" # Set this to YES to load the vesa module 26bitmap_load="NO" # Set this to YES if you want splash screen! 27bitmap_name="splash.bmp" # Set this to the name of the file 28bitmap_type="splash_image_data" # and place it on the module_path 29 30### Screen saver modules ################################### 31# This is best done in rc.conf 32screensave_load="NO" # Set to YES to load a screensaver module 33screensave_name="green_saver" # Set to the name of the screensaver module 34 35### Early hostid configuration ############################ 36hostuuid_load="YES" 37hostuuid_name="/etc/hostid" 38hostuuid_type="hostuuid" 39 40### Random number generator configuration ################## 41# See rc.conf(5). The entropy_boot_file config variable must agree with the 42# settings below. 43entropy_cache_load="YES" # Set this to NO to disable loading 44 # entropy at boot time 45entropy_cache_name="/boot/entropy" # Set this to the name of the file 46entropy_cache_type="boot_entropy_cache" # Required for the kernel to find 47 # the boot-time entropy cache. This 48 # must not change value even if the 49 # _name above does change! 50 51### RAM Blacklist configuration ############################ 52ram_blacklist_load="NO" # Set this to YES to load a file 53 # containing a list of addresses to 54 # exclude from the running system. 55ram_blacklist_name="/boot/blacklist.txt" # Set this to the name of the file 56ram_blacklist_type="ram_blacklist" # Required for the kernel to find 57 # the blacklist module 58 59### Microcode loading configuration ######################## 60cpu_microcode_load="NO" # Set this to YES to load and apply a 61 # microcode update file during boot. 62cpu_microcode_name="/boot/firmware/ucode.bin" # Set this to the microcode 63 # update file path. 64cpu_microcode_type="cpu_microcode" # Required for the kernel to find 65 # the microcode update file. 66 67### ACPI settings ########################################## 68acpi_dsdt_load="NO" # DSDT Overriding 69acpi_dsdt_type="acpi_dsdt" # Don't change this 70acpi_dsdt_name="/boot/acpi_dsdt.aml" 71 # Override DSDT in BIOS by this file 72acpi_video_load="NO" # Load the ACPI video extension driver 73 74### Audit settings ######################################### 75audit_event_load="NO" # Preload audit_event config 76audit_event_name="/etc/security/audit_event" 77audit_event_type="etc_security_audit_event" 78 79### Initial memory disk settings ########################### 80#mdroot_load="YES" # The "mdroot" prefix is arbitrary. 81#mdroot_type="md_image" # Create md(4) disk at boot. 82#mdroot_name="/boot/root.img" # Path to a file containing the image. 83#rootdev="ufs:/dev/md0" # Set the root filesystem to md(4) device. 84 85### Loader settings ######################################## 86#loader_delay="3" # Delay in seconds before loading anything. 87 # Default is unset and disabled (no delay). 88#autoboot_delay="10" # Delay in seconds before autobooting, 89 # -1 for no user interrupts, NO to disable 90#password="" # Prevent changes to boot options 91#bootlock_password="" # Prevent booting (see check-password.4th(8)) 92#geom_eli_passphrase_prompt="NO" # Prompt for geli(8) passphrase to mount root 93bootenv_autolist="YES" # Auto populate the list of ZFS Boot Environments 94#beastie_disable="NO" # Turn the beastie boot menu on and off 95efi_max_resolution="1x1" # Set the max resolution for EFI loader to use: 96 # 480p, 720p, 1080p, 2160p/4k, 5k, or specify 97 # WidthxHeight (e.g. 1920x1080) 98#kernels="kernel kernel.old" # Kernels to display in the boot menu 99kernels_autodetect="YES" # Auto-detect kernel directories in /boot 100#loader_logo="orbbw" # Desired logo: orbbw, orb, fbsdbw, beastiebw, beastie, none 101#comconsole_speed="9600" # Set the current serial console speed 102#console="vidconsole" # A comma separated list of console(s) 103#currdev="disk1s1a" # Set the current device 104module_path="/boot/modules;/boot/dtb;/boot/dtb/overlays" # Set the module search path 105module_blacklist="drm drm2 radeonkms i915kms amdgpu" # Loader module blacklist 106#prompt="\\${interpret}" # Set the command prompt 107#root_disk_unit="0" # Force the root disk unit number 108#rootdev="disk1s1a" # Set the root filesystem 109#dumpdev="disk1s1b" # Set a dump device early in the boot process 110#tftp.blksize="1428" # Set the RFC 2348 TFTP block size. 111 # If the TFTP server does not support RFC 2348, 112 # the block size is set to 512. Valid: (8,9007) 113#twiddle_divisor="1" # >1 means slow down the progress indicator. 114 115### Kernel settings ######################################## 116# The following boot_ variables are enabled by setting them to any value. 117# Their presence in the kernel environment (see kenv(1)) has the same 118# effect as setting the given boot flag (see boot(8)). 119#boot_askname="" # -a: Prompt the user for the name of the root device 120#boot_cdrom="" # -C: Attempt to mount root file system from CD-ROM 121#boot_ddb="" # -d: Instructs the kernel to start in the DDB debugger 122#boot_dfltroot="" # -r: Use the statically configured root file system 123#boot_gdb="" # -g: Selects gdb-remote mode for the kernel debugger 124#boot_multicons="" # -D: Use multiple consoles 125#boot_mute="" # -m: Mute the console 126#boot_pause="" # -p: Pause after each line during device probing 127#boot_serial="" # -h: Use serial console 128#boot_single="" # -s: Start system in single-user mode 129#boot_verbose="" # -v: Causes extra debugging information to be printed 130#init_path="/sbin/init:/sbin/oinit:/sbin/init.bak:/rescue/init" 131 # Sets the list of init candidates 132#init_shell="/bin/sh" # The shell binary used by init(8). 133#init_script="" # Initial script to run by init(8) before chrooting. 134#init_chroot="" # Directory for init(8) to chroot into. 135 136### Kernel tunables ######################################## 137#hw.physmem="1G" # Limit physical memory. See loader(8) 138#kern.dfldsiz="" # Set the initial data size limit 139#kern.dflssiz="" # Set the initial stack size limit 140#kern.hz="100" # Set the kernel interval timer rate 141#kern.maxbcache="" # Set the max buffer cache KVA storage 142#kern.maxdsiz="" # Set the max data size 143#kern.maxfiles="" # Set the sys. wide open files limit 144#kern.maxproc="" # Set the maximum # of processes 145#kern.maxssiz="" # Set the max stack size 146#kern.maxswzone="" # Set the max swmeta KVA storage 147#kern.maxtsiz="" # Set the max text size 148#kern.maxusers="32" # Set size of various static tables 149#kern.msgbufsize="65536" # Set size of kernel message buffer 150#kern.nbuf="" # Set the number of buffer headers 151#kern.ncallout="" # Set the maximum # of timer events 152#kern.ngroups="1023" # Set the maximum # of supplemental groups 153#kern.sgrowsiz="" # Set the amount to grow stack 154#kern.cam.boot_delay="10000" # Delay (in ms) of root mount for CAM bus 155 # registration, useful for USB sticks as root 156#kern.cam.scsi_delay="2000" # Delay (in ms) before probing SCSI 157#kern.ipc.maxsockets="" # Set the maximum number of sockets available 158#kern.ipc.nmbclusters="" # Set the number of mbuf clusters 159#kern.ipc.nsfbufs="" # Set the number of sendfile(2) bufs 160#net.inet.tcp.tcbhashsize="" # Set the value of TCBHASHSIZE 161#vfs.root.mountfrom="" # Specify root partition 162#vm.kmem_size="" # Sets the size of kernel memory (bytes) 163#debug.kdb.break_to_debugger="0" # Allow console to break into debugger. 164#debug.ktr.cpumask="0xf" # Bitmask of CPUs to enable KTR on 165#debug.ktr.mask="0x1200" # Bitmask of KTR events to enable 166#debug.ktr.verbose="1" # Enable console dump of KTR events 167 168### Module loading syntax example ########################## 169#module_load="YES" # loads module "module" 170#module_name="realname" # uses "realname" instead of "module" 171#module_type="type" # passes "-t type" to load 172#module_flags="flags" # passes "flags" to the module 173#module_before="cmd" # executes "cmd" before loading the module 174#module_after="cmd" # executes "cmd" after loading the module 175#module_error="cmd" # executes "cmd" if load fails 176
