root@Pi-Hole4:~# dmesg [ 0.000000] Booting Linux on physical CPU 0x0 [ 0.000000] Linux version 5.10.103-v7l+ (dom@buildbot) (arm-linux-gnueabihf-gcc-8 (Ubuntu/Linaro 8.4.0-3ubuntu1) 8.4.0, GNU ld (GNU Binutils for Ubuntu) 2.34) #1529 SMP Tue Mar 8 12:24:00 GMT 2022 [ 0.000000] CPU: ARMv7 Processor [410fd083] revision 3 (ARMv7), cr=30c5383d [ 0.000000] CPU: div instructions available: patching division code [ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, PIPT instruction cache [ 0.000000] OF: fdt: Machine model: Raspberry Pi 4 Model B Rev 1.1 [ 0.000000] random: fast init done [ 0.000000] Memory policy: Data cache writealloc [ 0.000000] Reserved memory: created CMA memory pool at 0x000000002ac00000, size 64 MiB [ 0.000000] OF: reserved mem: initialized node linux,cma, compatible id shared-dma-pool [ 0.000000] Zone ranges: [ 0.000000] DMA [mem 0x0000000000000000-0x000000002fffffff] [ 0.000000] Normal empty [ 0.000000] HighMem [mem 0x0000000030000000-0x000000007fffffff] [ 0.000000] Movable zone start for each node [ 0.000000] Early memory node ranges [ 0.000000] node 0: [mem 0x0000000000000000-0x000000003e5fffff] [ 0.000000] node 0: [mem 0x0000000040000000-0x000000007fffffff] [ 0.000000] Initmem setup node 0 [mem 0x0000000000000000-0x000000007fffffff] [ 0.000000] On node 0 totalpages: 517632 [ 0.000000] DMA zone: 1728 pages used for memmap [ 0.000000] DMA zone: 0 pages reserved [ 0.000000] DMA zone: 196608 pages, LIFO batch:63 [ 0.000000] HighMem zone: 321024 pages, LIFO batch:63 [ 0.000000] percpu: Embedded 20 pages/cpu s50828 r8192 d22900 u81920 [ 0.000000] pcpu-alloc: s50828 r8192 d22900 u81920 alloc=20*4096 [ 0.000000] pcpu-alloc: [0] 0 [0] 1 [0] 2 [0] 3 [ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 515904 [ 0.000000] Kernel command line: coherent_pool=1M 8250.nr_uarts=0 snd_bcm2835.enable_compat_alsa=0 snd_bcm2835.enable_hdmi=1 bcm2708_fb.fbwidth=1920 bcm2708_fb.fbheight=1080 bcm2708_fb.fbdepth=16 bcm2708_fb.fbswap=1 smsc95xx.macaddr=DC:A6:32:27:91:B0 vc_mem.mem_base=0x3f000000 vc_mem.mem_size=0x3f600000 console=tty1 root=PARTUUID=cf30de13-4777-415f-b7b2-92ad7c0e2315 rootfstype=f2fs fsck.repair=yes rootwait quiet net.ifnames=0 [ 0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes, linear) [ 0.000000] Inode-cache hash table entries: 65536 (order: 6, 262144 bytes, linear) [ 0.000000] mem auto-init: stack:off, heap alloc:off, heap free:off [ 0.000000] software IO TLB: mapped [mem 0x0000000025a00000-0x0000000029a00000] (64MB) [ 0.000000] Memory: 1900768K/2070528K available (10240K kernel code, 1366K rwdata, 3196K rodata, 2048K init, 882K bss, 104224K reserved, 65536K cma-reserved, 1284096K highmem) [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.000000] ftrace: allocating 34355 entries in 101 pages [ 0.000000] ftrace: allocated 101 pages with 4 groups [ 0.000000] rcu: Hierarchical RCU implementation. [ 0.000000] Rude variant of Tasks RCU enabled. [ 0.000000] Tracing variant of Tasks RCU enabled. [ 0.000000] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 0.000000] NR_IRQS: 16, nr_irqs: 16, preallocated irqs: 16 [ 0.000000] GIC: Using split EOI/Deactivate mode [ 0.000000] random: get_random_bytes called from start_kernel+0x3c8/0x59c with crng_init=1 [ 0.000003] sched_clock: 32 bits at 1000kHz, resolution 1000ns, wraps every 2147483647500ns [ 0.000011] clocksource: timer: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275 ns [ 0.000039] bcm2835: system timer (irq = 25) [ 0.000299] arch_timer: cp15 timer(s) running at 54.00MHz (phys). [ 0.000306] clocksource: arch_sys_counter: mask: 0xffffffffffffff max_cycles: 0xc743ce346, max_idle_ns: 440795203123 ns [ 0.000314] sched_clock: 56 bits at 54MHz, resolution 18ns, wraps every 4398046511102ns [ 0.000320] Switching to timer-based delay loop, resolution 18ns [ 0.000434] Console: colour dummy device 80x30 [ 0.000466] printk: console [tty1] enabled [ 0.000491] Calibrating delay loop (skipped), value calculated using timer frequency.. 108.00 BogoMIPS (lpj=540000) [ 0.000504] pid_max: default: 32768 minimum: 301 [ 0.000578] LSM: Security Framework initializing [ 0.000661] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes, linear) [ 0.000673] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes, linear) [ 0.001337] cgroup: Disabling memory control group subsystem [ 0.001443] CPU: Testing write buffer coherency: ok [ 0.001660] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000 [ 0.002166] Setting up static identity map for 0x200000 - 0x20003c [ 0.002249] rcu: Hierarchical SRCU implementation. [ 0.002647] smp: Bringing up secondary CPUs ... [ 0.003209] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001 [ 0.003822] CPU2: thread -1, cpu 2, socket 0, mpidr 80000002 [ 0.004396] CPU3: thread -1, cpu 3, socket 0, mpidr 80000003 [ 0.004460] smp: Brought up 1 node, 4 CPUs [ 0.004469] SMP: Total of 4 processors activated (432.00 BogoMIPS). [ 0.004475] CPU: All CPU(s) started in HYP mode. [ 0.004481] CPU: Virtualization extensions available. [ 0.004898] devtmpfs: initialized [ 0.010870] VFP support v0.3: implementor 41 architecture 3 part 40 variant 8 rev 0 [ 0.010976] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.010990] futex hash table entries: 1024 (order: 4, 65536 bytes, linear) [ 0.011927] pinctrl core: initialized pinctrl subsystem [ 0.012407] NET: Registered protocol family 16 [ 0.014148] DMA: preallocated 1024 KiB pool for atomic coherent allocations [ 0.014472] audit: initializing netlink subsys (disabled) [ 0.014596] audit: type=2000 audit(0.010:1): state=initialized audit_enabled=0 res=1 [ 0.014852] thermal_sys: Registered thermal governor 'step_wise' [ 0.015169] hw-breakpoint: found 5 (+1 reserved) breakpoint and 4 watchpoint registers. [ 0.015176] hw-breakpoint: maximum watchpoint size is 8 bytes. [ 0.015398] Serial: AMBA PL011 UART driver [ 0.027214] bcm2835-mbox fe00b880.mailbox: mailbox enabled [ 0.040327] raspberrypi-firmware soc:firmware: Attached to firmware from 2021-12-01T15:02:10, variant start_cd [ 0.050331] raspberrypi-firmware soc:firmware: Firmware hash is 71bd3109023a0c8575585ba87cbb374d2eeb038f [ 0.072585] Kprobes globally optimized [ 0.074976] bcm2835-dma fe007000.dma: DMA legacy API manager, dmachans=0x1 [ 0.076696] vgaarb: loaded [ 0.076898] SCSI subsystem initialized [ 0.076990] usbcore: registered new interface driver usbfs [ 0.077020] usbcore: registered new interface driver hub [ 0.077051] usbcore: registered new device driver usb [ 0.077187] usb_phy_generic phy: supply vcc not found, using dummy regulator [ 0.078044] clocksource: Switched to clocksource arch_sys_counter [ 0.458327] VFS: Disk quotas dquot_6.6.0 [ 0.458371] VFS: Dquot-cache hash table entries: 1024 (order 0, 4096 bytes) [ 0.458444] FS-Cache: Loaded [ 0.458544] CacheFiles: Loaded [ 0.462702] NET: Registered protocol family 2 [ 0.462827] IP idents hash table entries: 16384 (order: 5, 131072 bytes, linear) [ 0.463492] tcp_listen_portaddr_hash hash table entries: 512 (order: 0, 6144 bytes, linear) [ 0.463509] TCP established hash table entries: 8192 (order: 3, 32768 bytes, linear) [ 0.463535] TCP bind hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.463565] TCP: Hash tables configured (established 8192 bind 8192) [ 0.463650] UDP hash table entries: 512 (order: 2, 16384 bytes, linear) [ 0.463671] UDP-Lite hash table entries: 512 (order: 2, 16384 bytes, linear) [ 0.463774] NET: Registered protocol family 1 [ 0.464090] RPC: Registered named UNIX socket transport module. [ 0.464097] RPC: Registered udp transport module. [ 0.464103] RPC: Registered tcp transport module. [ 0.464110] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 0.464120] PCI: CLS 0 bytes, default 64 [ 0.465575] Initialise system trusted keyrings [ 0.465688] workingset: timestamp_bits=14 max_order=19 bucket_order=5 [ 0.469163] zbud: loaded [ 0.469921] FS-Cache: Netfs 'nfs' registered for caching [ 0.470266] NFS: Registering the id_resolver key type [ 0.470288] Key type id_resolver registered [ 0.470294] Key type id_legacy registered [ 0.470362] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 0.470369] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... [ 0.470833] Key type asymmetric registered [ 0.470840] Asymmetric key parser 'x509' registered [ 0.470918] bounce: pool size: 64 pages [ 0.470938] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249) [ 0.471035] io scheduler mq-deadline registered [ 0.471042] io scheduler kyber registered [ 0.472863] brcm-pcie fd500000.pcie: host bridge /scb/pcie@7d500000 ranges: [ 0.472877] brcm-pcie fd500000.pcie: No bus range found for /scb/pcie@7d500000, using [bus 00-ff] [ 0.472909] brcm-pcie fd500000.pcie: MEM 0x0600000000..0x063fffffff -> 0x00c0000000 [ 0.472945] brcm-pcie fd500000.pcie: IB MEM 0x0000000000..0x007fffffff -> 0x0400000000 [ 0.530110] brcm-pcie fd500000.pcie: link up, 5.0 GT/s PCIe x1 (SSC) [ 0.530280] brcm-pcie fd500000.pcie: PCI host bridge to bus 0000:00 [ 0.530289] pci_bus 0000:00: root bus resource [bus 00-ff] [ 0.530298] pci_bus 0000:00: root bus resource [mem 0x600000000-0x63fffffff] (bus address [0xc0000000-0xffffffff]) [ 0.530340] pci 0000:00:00.0: [14e4:2711] type 01 class 0x060400 [ 0.530447] pci 0000:00:00.0: PME# supported from D0 D3hot [ 0.531865] PCI: bus0: Fast back to back transfers disabled [ 0.531876] pci 0000:00:00.0: bridge configuration invalid ([bus 00-00]), reconfiguring [ 0.532055] pci 0000:01:00.0: [1106:3483] type 00 class 0x0c0330 [ 0.532148] pci 0000:01:00.0: reg 0x10: [mem 0x00000000-0x00000fff 64bit] [ 0.532437] pci 0000:01:00.0: PME# supported from D0 D3cold [ 0.533882] PCI: bus1: Fast back to back transfers disabled [ 0.533891] pci_bus 0000:01: busn_res: [bus 01-ff] end is updated to 01 [ 0.533910] pci 0000:00:00.0: BAR 8: assigned [mem 0x600000000-0x6000fffff] [ 0.533920] pci 0000:01:00.0: BAR 0: assigned [mem 0x600000000-0x600000fff 64bit] [ 0.533979] pci 0000:00:00.0: PCI bridge to [bus 01] [ 0.533990] pci 0000:00:00.0: bridge window [mem 0x600000000-0x6000fffff] [ 0.534173] pcieport 0000:00:00.0: enabling device (0140 -> 0142) [ 0.534271] pcieport 0000:00:00.0: PME: Signaling with IRQ 61 [ 0.534653] bcm2708_fb soc:fb: FB found 1 display(s) [ 0.550170] Console: switching to colour frame buffer device 240x67 [ 0.552687] bcm2708_fb soc:fb: Registered framebuffer for display 0, size 1920x1080 [ 0.555839] iproc-rng200 fe104000.rng: hwrng registered [ 0.555954] vc-mem: phys_addr:0x00000000 mem_base=0x3f000000 mem_size:0x3f600000(1014 MiB) [ 0.556319] gpiomem-bcm2835 fe200000.gpiomem: Initialised: Registers at 0xfe200000 [ 0.561444] brd: module loaded [ 0.566921] loop: module loaded [ 0.567731] Loading iSCSI transport class v2.0-870. [ 0.569849] bcmgenet fd580000.ethernet: GENET 5.0 EPHY: 0x0000 [ 0.668110] unimac-mdio unimac-mdio.-19: Broadcom UniMAC MDIO bus [ 0.668642] usbcore: registered new interface driver r8152 [ 0.668673] usbcore: registered new interface driver lan78xx [ 0.668698] usbcore: registered new interface driver smsc95xx [ 0.670039] xhci_hcd 0000:01:00.0: enabling device (0140 -> 0142) [ 0.670147] xhci_hcd 0000:01:00.0: xHCI Host Controller [ 0.670163] xhci_hcd 0000:01:00.0: new USB bus registered, assigned bus number 1 [ 0.671447] xhci_hcd 0000:01:00.0: hcc params 0x002841eb hci version 0x100 quirks 0x0000060000000890 [ 0.672067] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 [ 0.672075] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 0.672082] usb usb1: Product: xHCI Host Controller [ 0.672088] usb usb1: Manufacturer: Linux 5.10.103-v7l+ xhci-hcd [ 0.672095] usb usb1: SerialNumber: 0000:01:00.0 [ 0.672407] hub 1-0:1.0: USB hub found [ 0.672471] hub 1-0:1.0: 1 port detected [ 0.672791] xhci_hcd 0000:01:00.0: xHCI Host Controller [ 0.672808] xhci_hcd 0000:01:00.0: new USB bus registered, assigned bus number 2 [ 0.672819] xhci_hcd 0000:01:00.0: Host supports USB 3.0 SuperSpeed [ 0.673064] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 [ 0.673071] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 0.673078] usb usb2: Product: xHCI Host Controller [ 0.673085] usb usb2: Manufacturer: Linux 5.10.103-v7l+ xhci-hcd [ 0.673092] usb usb2: SerialNumber: 0000:01:00.0 [ 0.673383] hub 2-0:1.0: USB hub found [ 0.673437] hub 2-0:1.0: 4 ports detected [ 0.674206] dwc_otg: version 3.00a 10-AUG-2012 (platform bus) [ 0.674322] dwc_otg: FIQ enabled [ 0.674328] dwc_otg: NAK holdoff enabled [ 0.674334] dwc_otg: FIQ split-transaction FSM enabled [ 0.674341] Module dwc_common_port init [ 0.674546] usbcore: registered new interface driver uas [ 0.674590] usbcore: registered new interface driver usb-storage [ 0.674681] mousedev: PS/2 mouse device common for all mice [ 0.675370] bcm2835-wdt bcm2835-wdt: Broadcom BCM2835 watchdog timer [ 0.676902] sdhci: Secure Digital Host Controller Interface driver [ 0.676908] sdhci: Copyright(c) Pierre Ossman [ 0.677134] sdhci-pltfm: SDHCI platform and OF driver helper [ 0.679245] ledtrig-cpu: registered to indicate activity on CPUs [ 0.679399] hid: raw HID events driver (C) Jiri Kosina [ 0.679475] usbcore: registered new interface driver usbhid [ 0.679481] usbhid: USB HID core driver [ 0.682025] Initializing XFRM netlink socket [ 0.682044] NET: Registered protocol family 17 [ 0.682112] Key type dns_resolver registered [ 0.682290] Registering SWP/SWPB emulation handler [ 0.682384] registered taskstats version 1 [ 0.682398] Loading compiled-in X.509 certificates [ 0.682779] Key type ._fscrypt registered [ 0.682785] Key type .fscrypt registered [ 0.682792] Key type fscrypt-provisioning registered [ 0.687654] uart-pl011 fe201000.serial: there is not valid maps for state default [ 0.687786] uart-pl011 fe201000.serial: cts_event_workaround enabled [ 0.687824] fe201000.serial: ttyAMA0 at MMIO 0xfe201000 (irq = 36, base_baud = 0) is a PL011 rev2 [ 0.692271] bcm2835-power bcm2835-power: Broadcom BCM2835 power domains driver [ 0.694205] of_cfs_init [ 0.694327] of_cfs_init: OK [ 0.728063] mmc0: SDHCI controller on fe340000.mmc [fe340000.mmc] using ADMA [ 0.728357] Waiting for root device PARTUUID=cf30de13-4777-415f-b7b2-92ad7c0e2315... [ 0.825540] mmc0: new ultra high speed DDR50 SDHC card at address 5048 [ 0.825987] mmcblk0: mmc0:5048 SD32G 28.9 GiB [ 0.827356] mmcblk0: p1 p2 [ 0.958059] usb 1-1: new high-speed USB device number 2 using xhci_hcd [ 1.140430] usb 1-1: New USB device found, idVendor=2109, idProduct=3431, bcdDevice= 4.21 [ 1.140438] usb 1-1: New USB device strings: Mfr=0, Product=1, SerialNumber=0 [ 1.140445] usb 1-1: Product: USB2.0 Hub [ 1.141561] hub 1-1:1.0: USB hub found [ 1.141873] hub 1-1:1.0: 4 ports detected [ 1.288340] usb 2-2: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 1.319752] usb 2-2: New USB device found, idVendor=090c, idProduct=2021, bcdDevice=11.00 [ 1.319760] usb 2-2: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 1.319767] usb 2-2: Product: USB Flash Disk [ 1.319773] usb 2-2: Manufacturer: General [ 1.319781] usb 2-2: SerialNumber: 0308400000000449 [ 1.450969] usb-storage 2-2:1.0: USB Mass Storage device detected [ 1.451290] scsi host0: usb-storage 2-2:1.0 [ 1.468061] usb 1-1.3: new low-speed USB device number 3 using xhci_hcd [ 1.606895] usb 1-1.3: New USB device found, idVendor=413c, idProduct=2003, bcdDevice= 3.01 [ 1.606903] usb 1-1.3: New USB device strings: Mfr=1, Product=2, SerialNumber=0 [ 1.606910] usb 1-1.3: Product: Dell USB Keyboard [ 1.606917] usb 1-1.3: Manufacturer: Dell [ 1.614110] input: Dell Dell USB Keyboard as /devices/platform/scb/fd500000.pcie/pci0000:00/0000:00:00.0/0000:01:00.0/usb1/1-1/1-1.3/1-1.3:1.0/0003:413C:2003.0001/input/input0 [ 1.678328] hid-generic 0003:413C:2003.0001: input,hidraw0: USB HID v1.10 Keyboard [Dell Dell USB Keyboard] on usb-0000:01:00.0-1.3/input0 [ 2.577957] scsi 0:0:0:0: Direct-Access General USB Flash Disk 1100 PQ: 0 ANSI: 6 [ 2.578616] sd 0:0:0:0: [sda] 484659200 512-byte logical blocks: (248 GB/231 GiB) [ 2.578836] sd 0:0:0:0: [sda] Write Protect is off [ 2.578845] sd 0:0:0:0: [sda] Mode Sense: 43 00 00 00 [ 2.579003] sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA [ 2.587156] sda: sda1 [ 2.588715] sd 0:0:0:0: [sda] Attached SCSI removable disk [ 2.849256] F2FS-fs (sda1): recover fsync data on readonly fs [ 2.849694] F2FS-fs (sda1): Mounted with checkpoint version = 5f119016 [ 2.849753] VFS: Mounted root (f2fs filesystem) readonly on device 8:1. [ 2.851886] devtmpfs: mounted [ 2.856071] Freeing unused kernel memory: 2048K [ 2.888184] Run /sbin/init as init process [ 2.888190] with arguments: [ 2.888196] /sbin/init [ 2.888202] with environment: [ 2.888208] HOME=/ [ 2.888214] TERM=linux [ 3.517757] systemd[1]: System time before build time, advancing clock. [ 3.645601] NET: Registered protocol family 10 [ 3.646250] Segment Routing with IPv6 [ 3.694157] systemd[1]: systemd 241 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +SECCOMP +BLKID +ELFUTILS +KMOD -IDN2 +IDN -PCRE2 default-hierarchy=hybrid) [ 3.694485] systemd[1]: Detected architecture arm. [ 3.750324] systemd[1]: Set hostname to . [ 4.189290] random: systemd: uninitialized urandom read (16 bytes read) [ 4.229739] random: systemd: uninitialized urandom read (16 bytes read) [ 4.231199] systemd[1]: Listening on Journal Socket (/dev/log). [ 4.231421] random: systemd: uninitialized urandom read (16 bytes read) [ 4.231566] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [ 4.231630] systemd[1]: Reached target Slices. [ 4.232999] systemd[1]: Created slice system-getty.slice. [ 4.233518] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point. [ 4.234072] systemd[1]: Created slice system-systemd\x2dfsck.slice. [ 4.234317] systemd[1]: Set up automount mnt-TrueNAS.automount. [ 9.084699] random: crng init done [ 9.084707] random: 7 urandom warning(s) missed due to ratelimiting [ 148.838203] Adding 60412k swap on /var/swap. Priority:-2 extents:5 across:76508k FS [ 149.224601] systemd-journald[135]: Received request to flush runtime journal from PID 1 [ 149.884902] rpivid-mem feb00000.hevc-decoder: rpivid-hevcmem initialised: Registers at 0xfeb00000 length 0x00010000 [ 149.901155] rpivid-mem feb10000.rpivid-local-intc: rpivid-intcmem initialised: Registers at 0xfeb10000 length 0x00001000 [ 149.903385] rpivid-mem feb20000.h264-decoder: rpivid-h264mem initialised: Registers at 0xfeb20000 length 0x00010000 [ 149.912199] rpivid-mem feb30000.vp9-decoder: rpivid-vp9mem initialised: Registers at 0xfeb30000 length 0x00010000 [ 150.194453] sd 0:0:0:0: Attached scsi generic sg0 type 0 [ 152.703790] bcmgenet fd580000.ethernet: configuring instance for external RGMII (RX delay) [ 152.704384] bcmgenet fd580000.ethernet eth0: Link is Down [ 156.888546] bcmgenet fd580000.ethernet eth0: Link is Up - 1Gbps/Full - flow control off