PROJECTS

Raspberry PI4

System information from Raspberry Pi 4 Model B Rev 1.1

Preface

Listings below are extracted from Raspberry PI4 Model B Rev 1.1 64bit Debian Buster (testing) distribution with self-compiled stripped down kernel with bare minimal packages.

Output from /proc/cpuinfo

processor	: 0
BogoMIPS	: 108.00
Features	: fp asimd evtstrm crc32 cpuid
CPU implementer	: 0x41
CPU architecture: 8
CPU variant	: 0x0
CPU part	: 0xd08
CPU revision	: 3

processor	: 1
BogoMIPS	: 108.00
Features	: fp asimd evtstrm crc32 cpuid
CPU implementer	: 0x41
CPU architecture: 8
CPU variant	: 0x0
CPU part	: 0xd08
CPU revision	: 3

processor	: 2
BogoMIPS	: 108.00
Features	: fp asimd evtstrm crc32 cpuid
CPU implementer	: 0x41
CPU architecture: 8
CPU variant	: 0x0
CPU part	: 0xd08
CPU revision	: 3

processor	: 3
BogoMIPS	: 108.00
Features	: fp asimd evtstrm crc32 cpuid
CPU implementer	: 0x41
CPU architecture: 8
CPU variant	: 0x0
CPU part	: 0xd08
CPU revision	: 3

Hardware	: BCM2835
Revision	: c03111
Serial		: 100000009963a441
Model		: Raspberry Pi 4 Model B Rev 1.1
	

Output from dmesg

[    0.000000] Booting Linux on physical CPU 0x0000000000 [0x410fd083]
[    0.000000] Linux version 4.19.106-minimal+ (juhar@rpi4) (gcc version 8.3.0 (Debian 8.3.0-6)) #18 SMP Fri Feb 28 10:25:41 EET 2020
[    0.000000] Machine model: Raspberry Pi 4 Model B Rev 1.1
[    0.000000] cma: Reserved 256 MiB at 0x000000001ec00000
[    0.000000] On node 0 totalpages: 1024000
[    0.000000]   DMA32 zone: 4096 pages used for memmap
[    0.000000]   DMA32 zone: 0 pages reserved
[    0.000000]   DMA32 zone: 253952 pages, LIFO batch:63
[    0.000000]   Normal zone: 12032 pages used for memmap
[    0.000000]   Normal zone: 770048 pages, LIFO batch:63
[    0.000000] percpu: Embedded 20 pages/cpu s42136 r8192 d31592 u81920
[    0.000000] pcpu-alloc: s42136 r8192 d31592 u81920 alloc=20*4096
[    0.000000] pcpu-alloc: [0] 0 [0] 1 [0] 2 [0] 3 
[    0.000000] Detected PIPT I-cache on CPU0
[    0.000000] ARM_SMCCC_ARCH_WORKAROUND_1 missing from firmware
[    0.000000] CPU features: enabling workaround for EL2 vector hardening
[    0.000000] Built 1 zonelists, mobility grouping on.  Total pages: 1007872
[    0.000000] Kernel command line: coherent_pool=1M 8250.nr_uarts=0 cma=64M cma=256M video=HDMI-A-1:1920x1200M@60,margin_left=0,margin_right=0,margin_top=0,margin_bottom=0 smsc95xx.macaddr=DC:A6:32:26:1D:2E vc_mem.mem_base=0x3ec00000 vc_mem.mem_size=0x40000000  dwc_otg.lpm_enable=0 root=/dev/mmcblk0p2 rootfstype=ext4 elevator=deadline fsck.repair=yes usbhid.mousepoll=0 rootwait
[    0.000000] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes)
[    0.000000] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes)
[    0.000000] software IO TLB: mapped [mem 0x39fff000-0x3dfff000] (64MB)
[    0.000000] Memory: 3687300K/4096000K available (5438K kernel code, 354K rwdata, 1492K rodata, 448K init, 279K bss, 146556K reserved, 262144K cma-reserved)
[    0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1
[    0.000000] rcu: Hierarchical RCU implementation.
[    0.000000] NR_IRQS: 64, nr_irqs: 64, preallocated irqs: 0
[    0.000000] GIC: Using split EOI/Deactivate mode
[    0.000000] arch_timer: cp15 timer(s) running at 54.00MHz (phys).
[    0.000000] clocksource: arch_sys_counter: mask: 0xffffffffffffff max_cycles: 0xc743ce346, max_idle_ns: 440795203123 ns
[    0.000006] sched_clock: 56 bits at 54MHz, resolution 18ns, wraps every 4398046511102ns
[    0.000163] Console: colour dummy device 80x25
[    0.000311] console [tty0] enabled
[    0.000347] Calibrating delay loop (skipped), value calculated using timer frequency.. 108.00 BogoMIPS (lpj=540000)
[    0.000367] pid_max: default: 32768 minimum: 301
[    0.000524] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes)
[    0.000591] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes)
[    0.001747] ASID allocator initialised with 32768 entries
[    0.001830] rcu: Hierarchical SRCU implementation.
[    0.002559] smp: Bringing up secondary CPUs ...
[    0.002923] Detected PIPT I-cache on CPU1
[    0.002976] CPU1: Booted secondary processor 0x0000000001 [0x410fd083]
[    0.003390] Detected PIPT I-cache on CPU2
[    0.003426] CPU2: Booted secondary processor 0x0000000002 [0x410fd083]
[    0.003818] Detected PIPT I-cache on CPU3
[    0.003852] CPU3: Booted secondary processor 0x0000000003 [0x410fd083]
[    0.003918] smp: Brought up 1 node, 4 CPUs
[    0.003961] SMP: Total of 4 processors activated.
[    0.003973] CPU features: detected: 32-bit EL0 Support
[    0.004371] CPU: All CPU(s) started at EL2
[    0.004398] alternatives: patching kernel code
[    0.005438] devtmpfs: initialized
[    0.010931] random: get_random_u32 called from bucket_table_alloc.isra.9+0x88/0x198 with crng_init=0
[    0.011274] Enabled cp15_barrier support
[    0.011310] Enabled setend support
[    0.011423] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
[    0.011448] futex hash table entries: 1024 (order: 4, 65536 bytes)
[    0.017600] pinctrl core: initialized pinctrl subsystem
[    0.017944] NET: Registered protocol family 16
[    0.020413] DMA: preallocated 1024 KiB pool for atomic allocations
[    0.022052] bcm2835-mbox fe00b880.mailbox: mailbox enabled
[    0.039996] raspberrypi-firmware soc:firmware: Attached to firmware from 2019-09-24 17:34, variant start
[    0.050002] raspberrypi-firmware soc:firmware: Firmware hash is cd3add54955f8fa065b414d8fc07c525e7ddffc8
[    0.065994] bcm2835-dma fe007000.dma: DMA legacy API manager at (____ptrval____), dmachans=0x1
[    0.066935] vgaarb: loaded
[    0.067109] SCSI subsystem initialized
[    0.067226] usbcore: registered new interface driver usbfs
[    0.067262] usbcore: registered new interface driver hub
[    0.067308] usbcore: registered new device driver usb
[    0.068020] clocksource: Switched to clocksource arch_sys_counter
[    0.068542] simple-framebuffer 3e795000.framebuffer: framebuffer at 0x3e795000, 0x465000 bytes, mapped to 0x(____ptrval____)
[    0.068563] simple-framebuffer 3e795000.framebuffer: format=r5g6b5, mode=1920x1200x16, linelength=3840
[    0.075495] Console: switching to colour frame buffer device 240x75
[    0.082123] simple-framebuffer 3e795000.framebuffer: fb0: simplefb registered!
[    0.086593] NET: Registered protocol family 2
[    0.087040] tcp_listen_portaddr_hash hash table entries: 2048 (order: 3, 32768 bytes)
[    0.087115] TCP established hash table entries: 32768 (order: 6, 262144 bytes)
[    0.087366] TCP bind hash table entries: 32768 (order: 7, 524288 bytes)
[    0.087882] TCP: Hash tables configured (established 32768 bind 32768)
[    0.088155] UDP hash table entries: 2048 (order: 4, 65536 bytes)
[    0.088245] UDP-Lite hash table entries: 2048 (order: 4, 65536 bytes)
[    0.088446] NET: Registered protocol family 1
[    0.088871] PCI: CLS 0 bytes, default 64
[    0.089662] Initialise system trusted keyrings
[    0.089796] workingset: timestamp_bits=62 max_order=20 bucket_order=0
[    1.344195] Key type asymmetric registered
[    1.344231] Asymmetric key parser 'x509' registered
[    1.344298] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 252)
[    1.344339] io scheduler noop registered
[    1.344360] io scheduler deadline registered (default)
[    1.344496] io scheduler cfq registered
[    1.377837] brcm-pcie fd500000.pcie: dmabounce: initialised - 32768 kB, threshold 0x00000000c0000000
[    1.377911] brcm-pcie fd500000.pcie: could not get clock
[    1.377972] brcm-pcie fd500000.pcie: host bridge /scb/pcie@7d500000 ranges:
[    1.378065] brcm-pcie fd500000.pcie:   MEM 0x600000000..0x603ffffff -> 0xf8000000
[    1.438054] brcm-pcie fd500000.pcie: link up, 5.0 Gbps x1 (!SSC)
[    1.438234] brcm-pcie fd500000.pcie: PCI host bridge to bus 0000:00
[    1.438272] pci_bus 0000:00: root bus resource [bus 00-01]
[    1.438307] pci_bus 0000:00: root bus resource [mem 0x600000000-0x603ffffff] (bus address [0xf8000000-0xfbffffff])
[    1.438383] pci 0000:00:00.0: [14e4:2711] type 01 class 0x060400
[    1.438453] pci 0000:00:00.0: PME# supported from D0 D3hot
[    1.441063] pci 0000:00:00.0: bridge configuration invalid ([bus 00-00]), reconfiguring
[    1.441231] pci 0000:01:00.0: [1106:3483] type 00 class 0x0c0330
[    1.441322] pci 0000:01:00.0: reg 0x10: [mem 0x00000000-0x00000fff 64bit]
[    1.441532] pci 0000:01:00.0: PME# supported from D0 D3cold
[    1.444036] pci_bus 0000:01: busn_res: [bus 01] end is updated to 01
[    1.444069] pci 0000:00:00.0: BAR 8: assigned [mem 0x600000000-0x6000fffff]
[    1.444115] pci 0000:01:00.0: BAR 0: assigned [mem 0x600000000-0x600000fff 64bit]
[    1.444199] pci 0000:00:00.0: PCI bridge to [bus 01]
[    1.444229] pci 0000:00:00.0:   bridge window [mem 0x600000000-0x6000fffff]
[    1.444331] pci 0000:00:00.0: enabling device (0000 -> 0002)
[    1.444395] pci 0000:01:00.0: enabling device (0000 -> 0002)
[    1.444526] raspberrypi-firmware soc:firmware: Request 0x00030058 returned status 0x80000001
[    1.446041] iproc-rng200 fe104000.rng: hwrng registered
[    1.446273] cacheinfo: Unable to detect cache hierarchy for CPU 0
[    1.449036] loop: module loaded
[    1.450251] libphy: Fixed MDIO Bus: probed
[    1.450278] tun: Universal TUN/TAP device driver, 1.6
[    1.450672] bcmgenet fd580000.genet: failed to get enet clock
[    1.450709] bcmgenet fd580000.genet: GENET 5.0 EPHY: 0x0000
[    1.450742] bcmgenet fd580000.genet: failed to get enet-wol clock
[    1.450776] bcmgenet fd580000.genet: failed to get enet-eee clock
[    1.450819] bcmgenet: Skipping UMAC reset
[    1.450938] unimac-mdio unimac-mdio.-19: DMA mask not set
[    1.468040] libphy: bcmgenet MII bus: probed
[    1.508382] unimac-mdio unimac-mdio.-19: Broadcom UniMAC MDIO bus at 0x(____ptrval____)
[    1.509210] xhci_hcd 0000:01:00.0: xHCI Host Controller
[    1.509258] xhci_hcd 0000:01:00.0: new USB bus registered, assigned bus number 1
[    1.514098] xhci_hcd 0000:01:00.0: hcc params 0x002841eb hci version 0x100 quirks 0x0000001000000890
[    1.514379] genirq: irq_chip Brcm_MSI did not update eff. affinity mask of irq 40
[    1.516484] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 4.19
[    1.518386] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[    1.520247] usb usb1: Product: xHCI Host Controller
[    1.522102] usb usb1: Manufacturer: Linux 4.19.106-minimal+ xhci-hcd
[    1.523950] usb usb1: SerialNumber: 0000:01:00.0
[    1.526138] hub 1-0:1.0: USB hub found
[    1.528048] hub 1-0:1.0: 1 port detected
[    1.530121] xhci_hcd 0000:01:00.0: xHCI Host Controller
[    1.531949] xhci_hcd 0000:01:00.0: new USB bus registered, assigned bus number 2
[    1.533773] xhci_hcd 0000:01:00.0: Host supports USB 3.0 SuperSpeed
[    1.535799] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 4.19
[    1.537600] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[    1.539404] usb usb2: Product: xHCI Host Controller
[    1.541170] usb usb2: Manufacturer: Linux 4.19.106-minimal+ xhci-hcd
[    1.542946] usb usb2: SerialNumber: 0000:01:00.0
[    1.544982] hub 2-0:1.0: USB hub found
[    1.546779] hub 2-0:1.0: 4 ports detected
[    1.549205] usbcore: registered new interface driver uas
[    1.551056] usbcore: registered new interface driver usb-storage
[    1.553036] bcm2835-wdt bcm2835-wdt: Broadcom BCM2835 watchdog timer
[    1.555031] sdhci: Secure Digital Host Controller Interface driver
[    1.556791] sdhci: Copyright(c) Pierre Ossman
[    1.558799] mmc-bcm2835 fe300000.mmcnr: could not get clk, deferring probe
[    1.560744] sdhci-pltfm: SDHCI platform and OF driver helper
[    1.563002] hidraw: raw HID events driver (C) Jiri Kosina
[    1.564802] usbcore: registered new interface driver usbhid
[    1.566530] usbhid: USB HID core driver
[    1.568935] NET: Registered protocol family 10
[    1.571320] Segment Routing with IPv6
[    1.573072] sit: IPv6, IPv4 and MPLS over IPv4 tunneling driver
[    1.575192] NET: Registered protocol family 17
[    1.577279] Loading compiled-in X.509 certificates
[    1.580425] bcm2835-power bcm2835-power: Broadcom BCM2835 power domains driver
[    1.582453] mmc-bcm2835 fe300000.mmcnr: mmc_debug:0 mmc_debug2:0
[    1.584169] mmc-bcm2835 fe300000.mmcnr: DMA channel allocated
[    1.628522] mmc1: queuing unknown CIS tuple 0x80 (2 bytes)
[    1.631724] mmc1: queuing unknown CIS tuple 0x80 (3 bytes)
[    1.634901] mmc1: queuing unknown CIS tuple 0x80 (3 bytes)
[    1.639281] mmc1: queuing unknown CIS tuple 0x80 (7 bytes)
[    1.640941] mmc0: SDHCI controller on fe340000.emmc2 [fe340000.emmc2] using ADMA
[    1.642815] cfg80211: Loading compiled-in X.509 certificates for regulatory database
[    1.645872] mmc1: queuing unknown CIS tuple 0x80 (3 bytes)
[    1.680497] mmc0: new high speed SDHC card at address b368
[    1.682758] mmcblk0: mmc0:b368 USD   7.46 GiB
[    1.685675]  mmcblk0: p1 p2
[    1.698847] random: fast init done
[    1.710424] mmc1: new high speed SDIO card at address 0001
[    1.796344] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7'
[    1.798405] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2
[    1.800094] cfg80211: failed to load regulatory.db
[    1.819491] EXT4-fs (mmcblk0p2): mounted filesystem with ordered data mode. Opts: (null)
[    1.821202] VFS: Mounted root (ext4 filesystem) readonly on device 179:2.
[    1.839022] devtmpfs: mounted
[    1.841133] Freeing unused kernel memory: 448K
[    1.888116] Run /sbin/init as init process
[    1.898048] usb 1-1: new high-speed USB device number 2 using xhci_hcd
[    2.080743] usb 1-1: New USB device found, idVendor=2109, idProduct=3431, bcdDevice= 4.20
[    2.082501] usb 1-1: New USB device strings: Mfr=0, Product=1, SerialNumber=0
[    2.084194] usb 1-1: Product: USB2.0 Hub
[    2.087606] hub 1-1:1.0: USB hub found
[    2.089569] hub 1-1:1.0: 4 ports detected
[    2.418071] usb 1-1.3: new high-speed USB device number 3 using xhci_hcd
[    2.542327] systemd[1]: System time before build time, advancing clock.
[    2.565718] usb 1-1.3: New USB device found, idVendor=148f, idProduct=5370, bcdDevice= 1.01
[    2.567460] usb 1-1.3: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[    2.569193] usb 1-1.3: Product: 802.11 n WLAN
[    2.570898] usb 1-1.3: Manufacturer: Ralink
[    2.572599] usb 1-1.3: SerialNumber: 1.0
[    2.625420] 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)
[    2.627746] systemd[1]: Detected architecture arm64.
[    2.644299] systemd[1]: Set hostname to .
[    2.678534] usb 1-1.4: new low-speed USB device number 4 using xhci_hcd
[    2.816486] usb 1-1.4: New USB device found, idVendor=046d, idProduct=c31c, bcdDevice=64.00
[    2.818399] usb 1-1.4: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[    2.820183] usb 1-1.4: Product: USB Keyboard
[    2.821958] usb 1-1.4: Manufacturer: Logitech
[    2.837264] input: Logitech USB Keyboard as /devices/platform/scb/fd500000.pcie/pci0000:00/0000:00:00.0/0000:01:00.0/usb1/1-1/1-1.4/1-1.4:1.0/0003:046D:C31C.0001/input/input0
[    2.908228] hid-generic 0003:046D:C31C.0001: input,hidraw0: USB HID v1.10 Keyboard [Logitech USB Keyboard] on usb-0000:01:00.0-1.4/input0
[    2.924114] input: Logitech USB Keyboard Consumer Control as /devices/platform/scb/fd500000.pcie/pci0000:00/0000:00:00.0/0000:01:00.0/usb1/1-1/1-1.4/1-1.4:1.1/0003:046D:C31C.0002/input/input1
[    2.988204] input: Logitech USB Keyboard System Control as /devices/platform/scb/fd500000.pcie/pci0000:00/0000:00:00.0/0000:01:00.0/usb1/1-1/1-1.4/1-1.4:1.1/0003:046D:C31C.0002/input/input2
[    2.990455] hid-generic 0003:046D:C31C.0002: input,hidraw1: USB HID v1.10 Device [Logitech USB Keyboard] on usb-0000:01:00.0-1.4/input1
[    3.104064] random: systemd: uninitialized urandom read (16 bytes read)
[    3.109707] random: systemd: uninitialized urandom read (16 bytes read)
[    3.112235] systemd[1]: Listening on udev Kernel Socket.
[    3.117196] random: systemd: uninitialized urandom read (16 bytes read)
[    3.120154] systemd[1]: Created slice system-serial\x2dgetty.slice.
[    3.125320] systemd[1]: Listening on fsck to fsckd communication Socket.
[    3.130232] systemd[1]: Reached target Remote File Systems.
[    3.135670] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point.
[    3.141989] systemd[1]: Listening on Syslog Socket.
[    3.147071] systemd[1]: Started Forward Password Requests to Wall Directory Watch.
[    3.465189] EXT4-fs (mmcblk0p2): re-mounted. Opts: errors=remount-ro
[    3.543638] systemd-journald[103]: Received request to flush runtime journal from PID 1
[    4.132235] brcmfmac: brcmf_fw_alloc_request: using brcm/brcmfmac43455-sdio for chip BCM4345/6
[    4.390793] brcmfmac: brcmf_fw_alloc_request: using brcm/brcmfmac43455-sdio for chip BCM4345/6
[    4.407571] brcmfmac: brcmf_c_preinit_dcmds: Firmware: BCM4345/6 wl0: Feb 27 2018 03:15:32 version 7.45.154 (r684107 CY) FWID 01-4fbe0b04
[    4.474878] bcmgenet: Skipping UMAC reset
[    4.589170] bcmgenet fd580000.genet: configuring instance for external RGMII (no delay)
[    4.591428] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
[    5.608172] bcmgenet fd580000.genet eth0: Link is Down
[    7.888049] random: crng init done
[    7.889772] random: 7 urandom warning(s) missed due to ratelimiting
[    9.768206] bcmgenet fd580000.genet eth0: Link is Up - 1Gbps/Full - flow control rx/tx
	

Output from lsusb

Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 004: ID 046d:c31c Logitech, Inc. Keyboard K120
Bus 001 Device 003: ID 148f:5370 Ralink Technology, Corp. RT5370 Wireless Adapter
Bus 001 Device 002: ID 2109:3431 VIA Labs, Inc. Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
	

Output from lspci

00:00.0 PCI bridge: Broadcom Limited Device 2711 (rev 10)
01:00.0 USB controller: VIA Technologies, Inc. VL805 USB 3.0 Host Controller (rev 01)
	

..and by numeric ids :

00:00.0 0604: 14e4:2711 (rev 10)
01:00.0 0c03: 1106:3483 (rev 01)