I've been using the Imagebuilder and lately I'm getting the following msgs from my kernel logs. Is anyone else seeing this? Snapshots back in Oct were fine. Notice this happening starting mid-Nov.
[113416.183463] raspberrypi-firmware soc:firmware: mbox_send_message returned -62
[113416.190717] raspberrypi-clk firmware-clocks: Failed to change pllb frequency: -62
yeah... +1
wulfy23 - i'm actually glad you're also seeing this so its not me messing something up! I started off using yr community build and then compiling myself tailored to my limited needs. Are your current builds based on snapshots with this error msg or are you sticking to older snapshots? I'm not seeing any problem caused by this. But I'm also wondering if I shld go back to my Oct build without this error, not fully understanding what this error causes. Googling is not coming up with much on this. Taking any cues from you since you're my expert when it comes to the Pi4! Thx.
lol... no expert... it only triggers once every 6-12 hours at most... it's pretty benign so just ignore it for now... and keep with whatever is fairly current...
as you say lack of internet references for this particular message indicate something out of sync in the OpenWrt tree ( patches / firmware(dts?) ... or similar )...
i think it started showing after I updated my firmware ( which as you say co-incides with around the mid-nov timeframe, definitely makes it more stricky to isolate the cause )... so could also be an old patch... and I posted the error in my thread for a few days with no response... so that's another clue it could be some call which is latest firmware sensitive... ( or similar... )
if that hunch is correct only users with similar values here will see this;
############################################vcgencmd bootloader_version
Sep 3 2020 13:11:43
version c305221a6d7e532693cc7ff57fddfc8649def167 (release)
timestamp 1599135103
############################################cat /proc/cpuinfo | grep '^Revision'
Revision : b03111
i'd also be interested what the values of this command show on a fully updated raspiOS install;
md5sum /boot/* 2>/dev/null
################################
bbea815ee2795b2f4230826c0c6b8814 /boot/COPYING.linux
c403841ff2837657b2ed8e5bb474ac8d /boot/LICENCE.broadcom
08ac5cc72771d2f8f090135ada2714f7 /boot/bcm2711-rpi-4-b.dtb
09e8449506b94f9c8b1c9c1829f468e7 /boot/cmdline.txt
8a24184b099b508735ebf0dc9c613694 /boot/config.txt
d75c56c82e6f343a5b89bf9effebf3bf /boot/distroconfig.txt
9c2b79de5139684f9bca9eb3d96836d7 /boot/fixup4.dat
e8791f73b80dca05a94114e77977bd4a /boot/fixup4cd.dat
c03f2f3e4ca44a7f22f3ed09032c64ef /boot/fixup4db.dat
c10d7992662975d0180d9251e70e0ed7 /boot/fixup4x.dat
d8f3a44a9be3061d69df2dfb34c1f746 /boot/fixup_db.dat
2d19b510acbaa8fff94cf1ba261cad9e /boot/kernel8.img
08624375447970b03c3349b76449396c /boot/start4.elf
9072b2337b871b469d3ff1be5b52af77 /boot/start4cd.elf
be7f23019361a85a7cff8ca91374a182 /boot/start4db.elf
8c67e5f2969509ea204ed37c1047502b /boot/start4x.elf
af2217414268fee82232a373bf8dd26f /boot/start_db.elf
##############################
+1 happened with April bootloader and latest one also
A little hello there, as we are some folks (at least 2 probably 3) having the same issue (from another thread).
After this error appeared I am unable to play the following command
cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_cur_freq
And as someone else mentioned,
The load value reported by the web ui is pretty high. However "top" shows no usage.
Network performance dropped a little bit too: I believe this clock story is sticking the CPU at his frequency when the message happen. But that's just a guess, it should be double checked!
Full kernel log:
[ 0.000000] Booting Linux on physical CPU 0x0000000000 [0x410fd083]
[ 0.000000] Linux version 5.4.96 (builder@buildhost) (gcc version 8.4.0 (OpenWrt GCC 8.4.0 r15727-c382fe857d)) #0 SMP Wed Feb 10 10:28:04 2021
[ 0.000000] Machine model: Raspberry Pi 4 Model B Rev 1.1
[ 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] On node 0 totalpages: 504832
[ 0.000000] DMA zone: 3792 pages used for memmap
[ 0.000000] DMA zone: 0 pages reserved
[ 0.000000] DMA zone: 242688 pages, LIFO batch:63
[ 0.000000] DMA32 zone: 4096 pages used for memmap
[ 0.000000] DMA32 zone: 262144 pages, LIFO batch:63
[ 0.000000] percpu: Embedded 21 pages/cpu s45272 r8192 d32552 u86016
[ 0.000000] pcpu-alloc: s45272 r8192 d32552 u86016 alloc=21*4096
[ 0.000000] pcpu-alloc: [0] 0 [0] 1 [0] 2 [0] 3
[ 0.000000] Detected PIPT I-cache on CPU0
[ 0.000000] CPU features: detected: EL2 vector hardening
[ 0.000000] ARM_SMCCC_ARCH_WORKAROUND_1 missing from firmware
[ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 496944
[ 0.000000] Kernel command line: coherent_pool=1M 8250.nr_uarts=1 snd_bcm2835.enable_compat_alsa=0 snd_bcm2835.enable_hdmi=1 snd_bcm2835.enable_headphones=1 bcm2708_fb.fbwidth=0 bcm2708_fb.fbheight=0 bcm2708_fb.fbswap=1 smsc95xx.macaddr=DC:A6:32:05:D5:C2 vc_mem.mem_base=0x3ec00000 vc_mem.mem_size=0x40000000 console=ttyAMA0,115200 console=tty1 root=/dev/mmcblk0p2 rootfstype=squashfs,ext4 rootwait
[ 0.000000] Dentry cache hash table entries: 262144 (order: 9, 2097152 bytes, linear)
[ 0.000000] Inode-cache hash table entries: 131072 (order: 8, 1048576 bytes, linear)
[ 0.000000] mem auto-init: stack:off, heap alloc:off, heap free:off
[ 0.000000] software IO TLB: mapped [mem 0x37400000-0x3b400000] (64MB)
[ 0.000000] Memory: 1836928K/2019328K available (7102K kernel code, 430K rwdata, 1848K rodata, 512K init, 539K bss, 116864K reserved, 65536K cma-reserved)
[ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1
[ 0.000000] rcu: Hierarchical RCU implementation.
[ 0.000000] rcu: CONFIG_RCU_FANOUT set to non-default value of 32.
[ 0.000000] rcu: RCU calculated value of scheduler-enlistment delay is 25 jiffies.
[ 0.000000] NR_IRQS: 64, nr_irqs: 64, preallocated irqs: 0
[ 0.000000] GIC: Using split EOI/Deactivate mode
[ 0.000000] random: get_random_bytes called from start_kernel+0x2dc/0x3dc with crng_init=0
[ 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
[ 0.000005] sched_clock: 56 bits at 54MHz, resolution 18ns, wraps every 4398046511102ns
[ 0.000155] Console: colour dummy device 80x25
[ 0.000386] printk: console [tty1] enabled
[ 0.000419] Calibrating delay loop (skipped), value calculated using timer frequency.. 108.00 BogoMIPS (lpj=216000)
[ 0.000440] pid_max: default: 32768 minimum: 301
[ 0.000604] Mount-cache hash table entries: 4096 (order: 3, 32768 bytes, linear)
[ 0.000656] Mountpoint-cache hash table entries: 4096 (order: 3, 32768 bytes, linear)
[ 0.001339] Disabling memory control group subsystem
[ 0.002040] ASID allocator initialised with 32768 entries
[ 0.002131] rcu: Hierarchical SRCU implementation.
[ 0.002750] smp: Bringing up secondary CPUs ...
[ 0.003134] Detected PIPT I-cache on CPU1
[ 0.003185] CPU1: Booted secondary processor 0x0000000001 [0x410fd083]
[ 0.003627] Detected PIPT I-cache on CPU2
[ 0.003661] CPU2: Booted secondary processor 0x0000000002 [0x410fd083]
[ 0.004158] Detected PIPT I-cache on CPU3
[ 0.004191] CPU3: Booted secondary processor 0x0000000003 [0x410fd083]
[ 0.004260] smp: Brought up 1 node, 4 CPUs
[ 0.004287] SMP: Total of 4 processors activated.
[ 0.004300] CPU features: detected: 32-bit EL0 Support
[ 0.004313] CPU features: detected: CRC32 instructions
[ 0.004369] CPU features: emulated: Privileged Access Never (PAN) using TTBR0_EL1 switching
[ 0.004385] CPU: All CPU(s) started at EL2
[ 0.004413] alternatives: patching kernel code
[ 0.011927] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645041785100000 ns
[ 0.011994] futex hash table entries: 1024 (order: 4, 65536 bytes, linear)
[ 0.013715] pinctrl core: initialized pinctrl subsystem
[ 0.014626] NET: Registered protocol family 16
[ 0.016047] DMA: preallocated 1024 KiB pool for atomic allocations
[ 0.016595] cpuidle: using governor ladder
[ 0.016626] cpuidle: using governor menu
[ 0.016900] Serial: AMBA PL011 UART driver
[ 0.018362] bcm2835-mbox fe00b880.mailbox: mailbox enabled
[ 0.028043] raspberrypi-firmware soc:firmware: Attached to firmware from 2020-04-15 11:41, variant start
[ 0.032041] raspberrypi-firmware soc:firmware: Firmware hash is 1103ec16df2571274600b377411499bf5aed6d0d
[ 0.056706] bcm2835-dma fe007000.dma: DMA legacy API manager, dmachans=0x1
[ 0.058398] SCSI subsystem initialized
[ 0.058549] usbcore: registered new interface driver usbfs
[ 0.058592] usbcore: registered new interface driver hub
[ 0.058650] usbcore: registered new device driver usb
[ 0.058820] workqueue: max_active 576 requested for napi_workq is out of range, clamping between 1 and 512
[ 0.059662] clocksource: Switched to clocksource arch_sys_counter
[ 0.062881] thermal_sys: Registered thermal governor 'step_wise'
[ 0.063117] NET: Registered protocol family 2
[ 0.063811] tcp_listen_portaddr_hash hash table entries: 1024 (order: 2, 16384 bytes, linear)
[ 0.063856] TCP established hash table entries: 16384 (order: 5, 131072 bytes, linear)
[ 0.063967] TCP bind hash table entries: 16384 (order: 6, 262144 bytes, linear)
[ 0.064218] TCP: Hash tables configured (established 16384 bind 16384)
[ 0.064399] UDP hash table entries: 1024 (order: 3, 32768 bytes, linear)
[ 0.064438] UDP-Lite hash table entries: 1024 (order: 3, 32768 bytes, linear)
[ 0.064610] NET: Registered protocol family 1
[ 0.064648] PCI: CLS 0 bytes, default 64
[ 0.065783] workingset: timestamp_bits=46 max_order=19 bucket_order=0
[ 0.070270] squashfs: version 4.0 (2009/01/31) Phillip Lougher
[ 0.093191] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 251)
[ 0.129842] brcm-pcie fd500000.pcie: host bridge /scb/pcie@7d500000 ranges:
[ 0.129869] brcm-pcie fd500000.pcie: No bus range found for /scb/pcie@7d500000, using [bus 00-ff]
[ 0.129905] brcm-pcie fd500000.pcie: MEM 0x0600000000..0x0603ffffff -> 0x00f8000000
[ 0.129939] brcm-pcie fd500000.pcie: IB MEM 0x0000000000..0x007fffffff -> 0x0000000000
[ 0.177729] brcm-pcie fd500000.pcie: link up, 5 GT/s x1 (SSC)
[ 0.177877] brcm-pcie fd500000.pcie: PCI host bridge to bus 0000:00
[ 0.177895] pci_bus 0000:00: root bus resource [bus 00-ff]
[ 0.177913] pci_bus 0000:00: root bus resource [mem 0x600000000-0x603ffffff] (bus address [0xf8000000-0xfbffffff])
[ 0.177957] pci 0000:00:00.0: [14e4:2711] type 01 class 0x060400
[ 0.178048] pci 0000:00:00.0: PME# supported from D0 D3hot
[ 0.181496] pci 0000:01:00.0: [1106:3483] type 00 class 0x0c0330
[ 0.181577] pci 0000:01:00.0: reg 0x10: [mem 0x00000000-0x00000fff 64bit]
[ 0.181745] pci 0000:01:00.0: PME# supported from D0 D3cold
[ 0.185051] pci 0000:00:00.0: BAR 8: assigned [mem 0x600000000-0x6000fffff]
[ 0.185073] pci 0000:01:00.0: BAR 0: assigned [mem 0x600000000-0x600000fff 64bit]
[ 0.185131] pci 0000:00:00.0: PCI bridge to [bus 01]
[ 0.185146] pci 0000:00:00.0: bridge window [mem 0x600000000-0x6000fffff]
[ 0.185293] pcieport 0000:00:00.0: enabling device (0000 -> 0002)
[ 0.185420] pcieport 0000:00:00.0: PME: Signaling with IRQ 38
[ 0.185624] pcieport 0000:00:00.0: AER: enabled with IRQ 38
[ 0.185793] pci 0000:01:00.0: enabling device (0000 -> 0002)
[ 0.190884] bcm2708_fb soc:fb: Unable to determine number of FBs. Disabling driver.
[ 0.190912] bcm2708_fb: probe of soc:fb failed with error -2
[ 0.215887] raspberrypi-clk firmware-clocks: CPU frequency range: min 600000000, max 1500000000
[ 0.281220] Serial: 8250/16550 driver, 1 ports, IRQ sharing enabled
[ 0.281972] vc-mem: phys_addr:0x00000000 mem_base=0x3ec00000 mem_size:0x40000000(1024 MiB)
[ 0.282334] gpiomem-bcm2835 fe200000.gpiomem: Initialised: Registers at 0xfe200000
[ 0.282545] cacheinfo: Unable to detect cache hierarchy for CPU 0
[ 0.288610] brd: module loaded
[ 0.291718] loop: module loaded
[ 0.292362] Loading iSCSI transport class v2.0-870.
[ 0.293482] libphy: Fixed MDIO Bus: probed
[ 0.293714] bcmgenet fd580000.ethernet: failed to get enet clock
[ 0.293734] bcmgenet fd580000.ethernet: GENET 5.0 EPHY: 0x0000
[ 0.293751] bcmgenet fd580000.ethernet: failed to get enet-wol clock
[ 0.293767] bcmgenet fd580000.ethernet: failed to get enet-eee clock
[ 0.293790] bcmgenet: Skipping UMAC reset
[ 0.303666] libphy: bcmgenet MII bus: probed
[ 0.351703] unimac-mdio unimac-mdio.-19: Broadcom UniMAC MDIO bus
[ 0.352549] xhci_hcd 0000:01:00.0: xHCI Host Controller
[ 0.352585] xhci_hcd 0000:01:00.0: new USB bus registered, assigned bus number 1
[ 0.353271] xhci_hcd 0000:01:00.0: hcc params 0x002841eb hci version 0x100 quirks 0x0000001000000890
[ 0.353923] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.04
[ 0.353944] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 0.353961] usb usb1: Product: xHCI Host Controller
[ 0.353974] usb usb1: Manufacturer: Linux 5.4.96 xhci-hcd
[ 0.353986] usb usb1: SerialNumber: 0000:01:00.0
[ 0.354282] hub 1-0:1.0: USB hub found
[ 0.354350] hub 1-0:1.0: 1 port detected
[ 0.354741] xhci_hcd 0000:01:00.0: xHCI Host Controller
[ 0.354763] xhci_hcd 0000:01:00.0: new USB bus registered, assigned bus number 2
[ 0.354785] xhci_hcd 0000:01:00.0: Host supports USB 3.0 SuperSpeed
[ 0.355041] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.04
[ 0.355061] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 0.355077] usb usb2: Product: xHCI Host Controller
[ 0.355089] usb usb2: Manufacturer: Linux 5.4.96 xhci-hcd
[ 0.355102] usb usb2: SerialNumber: 0000:01:00.0
[ 0.355377] hub 2-0:1.0: USB hub found
[ 0.355445] hub 2-0:1.0: 4 ports detected
[ 0.356204] dwc_otg: version 3.00a 10-AUG-2012 (platform bus)
[ 0.356298] dwc_otg: FIQ enabled
[ 0.356302] dwc_otg: NAK holdoff enabled
[ 0.356305] dwc_otg: FIQ split-transaction FSM enabled
[ 0.356311] Module dwc_common_port init
[ 0.356534] usbcore: registered new interface driver uas
[ 0.356604] usbcore: registered new interface driver usb-storage
[ 0.356676] mousedev: PS/2 mouse device common for all mice
[ 0.357092] bcm2835-wdt bcm2835-wdt: Broadcom BCM2835 watchdog timer
[ 0.358004] sdhci: Secure Digital Host Controller Interface driver
[ 0.358018] sdhci: Copyright(c) Pierre Ossman
[ 0.358279] mmc-bcm2835 fe300000.mmcnr: could not get clk, deferring probe
[ 0.358504] Error: Driver 'sdhost-bcm2835' is already registered, aborting...
[ 0.358518] sdhci-pltfm: SDHCI platform and OF driver helper
[ 0.384708] vchiq: vchiq_init_state: slot_zero = (____ptrval____)
[ 0.405425] NET: Registered protocol family 10
[ 0.406312] Segment Routing with IPv6
[ 0.406397] NET: Registered protocol family 17
[ 0.406440] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[ 0.406459] 8021q: 802.1Q VLAN Support v1.8
[ 0.406827] Key type ._fscrypt registered
[ 0.406840] Key type .fscrypt registered
[ 0.421971] uart-pl011 fe201000.serial: cts_event_workaround enabled
[ 0.422051] fe201000.serial: ttyAMA0 at MMIO 0xfe201000 (irq = 14, base_baud = 0) is a PL011 rev2
[ 0.698779] usb 2-1: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd
[ 0.705293] printk: console [ttyAMA0] enabled
[ 0.799253] usb 2-1: New USB device found, idVendor=2357, idProduct=0601, bcdDevice=30.00
[ 0.833770] bcm2835-power bcm2835-power: Broadcom BCM2835 power domains driver
[ 0.838538] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=6
[ 0.838541] usb 2-1: Product: USB 10/100/1000 LAN
[ 0.842485] mmc-bcm2835 fe300000.mmcnr: mmc_debug:0 mmc_debug2:0
[ 0.847757] usb 2-1: Manufacturer: TP-LINK
[ 0.847759] usb 2-1: SerialNumber: 000001000000
[ 0.853061] mmc-bcm2835 fe300000.mmcnr: DMA channel allocated
[ 0.902615] mmc1: queuing unknown CIS tuple 0x80 (2 bytes)
[ 0.967657] usb 1-1: new high-speed USB device number 2 using xhci_hcd
[ 0.974009] mmc1: queuing unknown CIS tuple 0x80 (3 bytes)
[ 1.185881] usb 1-1: New USB device found, idVendor=2109, idProduct=3431, bcdDevice= 4.21
[ 1.189900] mmc0: SDHCI controller on fe340000.emmc2 [fe340000.emmc2] using ADMA
[ 1.194140] usb 1-1: New USB device strings: Mfr=0, Product=1, SerialNumber=0
[ 1.194143] usb 1-1: Product: USB2.0 Hub
[ 1.222145] hub 1-1:1.0: USB hub found
[ 1.230959] of_cfs_init
[ 1.242487] hub 1-1:1.0: 4 ports detected
[ 1.247925] of_cfs_init: OK
[ 1.553341] mmc1: queuing unknown CIS tuple 0x80 (3 bytes)
[ 1.561563] mmc1: queuing unknown CIS tuple 0x80 (7 bytes)
[ 1.568527] mmc1: queuing unknown CIS tuple 0x80 (3 bytes)
[ 1.591799] random: fast init done
[ 1.605965] mmc0: new high speed SDHC card at address 878b
[ 1.611938] mmcblk0: mmc0:878b SU08G 7.40 GiB
[ 1.620309] mmcblk0: p1 p2
[ 1.643984] mmc1: new high speed SDIO card at address 0001
[ 1.656667] EXT4-fs (mmcblk0p2): mounted filesystem without journal. Opts: (null)
[ 1.664186] VFS: Mounted root (ext4 filesystem) readonly on device 179:2.
[ 1.671298] Freeing unused kernel memory: 512K
[ 1.675811] Run /sbin/init as init process
[ 1.849613] init: Console is alive
[ 1.853106] init: - watchdog -
[ 2.380695] kmodloader: loading kernel modules from /etc/modules-boot.d/*
[ 2.404598] kmodloader: done loading kernel modules from /etc/modules-boot.d/*
[ 2.421098] init: - preinit -
[ 2.670335] bcmgenet: Skipping UMAC reset
[ 2.675577] bcmgenet fd580000.ethernet: configuring instance for external RGMII
[ 2.683057] bcmgenet fd580000.ethernet eth0: Link is Down
[ 6.745091] mount_root: mounting /dev/root
[ 6.751642] EXT4-fs (mmcblk0p2): re-mounted. Opts: (null)
[ 6.763598] random: procd: uninitialized urandom read (4 bytes read)
[ 6.799870] urandom-seed: Seeding with /etc/urandom.seed
[ 6.870805] procd: - early -
[ 6.873781] procd: - watchdog -
[ 7.406754] procd: - watchdog -
[ 7.413776] procd: - ubus -
[ 7.438622] random: ubusd: uninitialized urandom read (4 bytes read)
[ 7.467006] random: ubusd: uninitialized urandom read (4 bytes read)
[ 7.475315] procd: - init -
[ 7.481854] uart-pl011 fe201000.serial: no DMA platform data
[ 7.706439] urngd: v1.0.2 started.
[ 7.707850] kmodloader: loading kernel modules from /etc/modules.d/*
[ 7.725588] random: crng init done
[ 7.728999] random: 7 urandom warning(s) missed due to ratelimiting
[ 7.788591] hidraw: raw HID events driver (C) Jiri Kosina
[ 7.797000] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned.
[ 7.880581] Loading modules backported from Linux version v5.8.18-0-gab435ce49bd1
[ 7.888112] Backport generated by backports.git v5.8.18-1-0-ga630fd46
[ 7.933188] usbcore: registered new interface driver r8152
[ 7.942962] usbcore: registered new interface driver usbhid
[ 7.948577] usbhid: USB HID core driver
[ 7.957019] xt_time: kernel timezone is -0000
[ 7.961830] usbcore: registered new interface driver ax88179_178a
[ 8.080594] usb 2-1: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd
[ 8.090027] PPP generic driver version 2.4.2
[ 8.095003] NET: Registered protocol family 24
[ 8.131517] brcmfmac: brcmf_fw_alloc_request: using brcm/brcmfmac43455-sdio for chip BCM4345/6
[ 8.152506] r8152 2-1:1.0 eth1: v1.10.11
[ 8.348863] brcmfmac: brcmf_fw_alloc_request: using brcm/brcmfmac43455-sdio for chip BCM4345/6
[ 8.371615] brcmfmac: brcmf_c_preinit_dcmds: Firmware: BCM4345/6 wl0: Mar 23 2020 02:20:01 version 7.45.206 (r725000 CY) FWID 01-febaba43
[ 8.412854] usbcore: registered new interface driver brcmfmac
[ 8.464263] usbcore: registered new interface driver rt2800usb
[ 8.470344] kmodloader: done loading kernel modules from /etc/modules.d/*
[ 10.440234] bcmgenet: Skipping UMAC reset
[ 10.445465] bcmgenet fd580000.ethernet: configuring instance for external RGMII
[ 10.453081] bcmgenet fd580000.ethernet eth0: Link is Up - 1Gbps/Full - flow control rx/tx
[ 10.454033] br-lan: port 1(eth0) entered blocking state
[ 10.466568] br-lan: port 1(eth0) entered disabled state
[ 10.471946] device eth0 entered promiscuous mode
[ 10.477379] br-lan: port 1(eth0) entered blocking state
[ 10.482645] br-lan: port 1(eth0) entered forwarding state
[ 10.644653] IPv6: ADDRCONF(NETDEV_CHANGE): eth1: link becomes ready
[ 10.651314] r8152 2-1:1.0 eth1: carrier on
[ 11.455687] IPv6: ADDRCONF(NETDEV_CHANGE): br-lan: link becomes ready
[11310.260222] raspberrypi-firmware soc:firmware: mbox_send_message returned -62
[11310.267387] raspberrypi-clk firmware-clocks: Failed to change pllb frequency: -62
The board booted the last upgraded raspbian today so EEPROM is up to date, however the fixup / start .dat files into the boot part are the "OpenWrt" ones (not sure they are the last ones).
I can confirm the issue is back again on board
Revision : b03111
Sep 3 2020 13:11:43
version c305221a6d7e532693cc7ff57fddfc8649def167 (release)
timestamp 1599135103
[14062.833270] raspberrypi-firmware soc:firmware: mbox_send_message returned -62
[14062.840435] raspberrypi-clk firmware-clocks: Failed to change pllb frequency: -62
Even having updated start* and fixup* .dat files into the boot partition:
root@Pi4-OpenWrt:~# md5sum /boot/* 2>/dev/null
bbea815ee2795b2f4230826c0c6b8814 /boot/COPYING.linux
c403841ff2837657b2ed8e5bb474ac8d /boot/LICENCE.broadcom
08ac5cc72771d2f8f090135ada2714f7 /boot/bcm2711-rpi-4-b.dtb
21390f7970262d8a3bf589594c628fd0 /boot/cmdline.txt
c40ff2846a4c90a9155cf81046b11a5a /boot/config.txt
d75c56c82e6f343a5b89bf9effebf3bf /boot/distroconfig.txt
61497a648960a30034d72c5c1dce4d87 /boot/fixup4.dat
9e55ce5fde48b666c61f3b5eb61fdad6 /boot/fixup4cd.dat
863d5b01bb05fb4841f9ba8aec0b19b7 /boot/fixup4x.dat
2d70ae187a8fe6f94ae6d778b23c6766 /boot/kernel8.img
b9a4da9e63f3e18fc0256e6fca6232f6 /boot/start4.elf
25e9de21c05facce16990f56f5f03aab /boot/start4cd.elf
0f2c3e676e91702b795a35e41640091e /boot/start4x.elf
Others board?
I'm now using a d03114 instead of b03111 to see if the issue is going back... let's wait and see.
For now, after 34 min,
vcgencmd measure_clock arm
frequency(48)=1500398464
and cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_cur_freq is already hanging...!
To be contined...
vcgencmd measure_clock arm
In the past I didn't noticed the "vcgencmd" commands were working on OpenWrt. Once the Pi got the error, it would be interesting to see if the masured frequency is pretty stuck (at least in MHz, without considering the tiny variations). On my side, having 1500 MHz while the connection has no activity (no downloading/uploading in progress) is pretty strange.
Others kernel testing?
config.gz is available at /proc/config.gz so that we can use the same config to build a kernel, however it looks like the rpi team stopped working on the 5.4.y branch, which is now (and may be forever) stuck to 5.4.83.
While I'm having the issue with 5.4.96, it would be interesting to see if 5.4.83 from rpi github also has the issue. But by experience, others kernels tests should better be done directly in the same conditions (into OpenWrt without changing anything else than kernel, device-tree and associated modules).
Another sugestion
May be the following values from Raspbian should be tested on OpenWrt to see if the problem still appears:
cat /sys/devices/system/cpu/cpufreq/ondemand/up_threshold
50
cat /sys/devices/system/cpu/cpufreq/ondemand/sampling_rate
100000
cat /sys/devices/system/cpu/cpufreq/ondemand/sampling_down_factor
50
As Raspbian is running 32 bit kernels by default, I'm going to put "arm64_bit=1" into all of my running Pi 3 and 4 to see if the error also appears on them (even if Raspbian is already running 5.10.y kernels)...
this...
p.s. you are missing *db dat/elf ( not that it will assist on this issue )
Yes it may be usefull, I omitted them because they were already absent from the boot partition before I replaced those files. I believe the Pi won't use them unless you do something ( start_debug=1 into config.txt) to tell him to use db file (which stands for debug).
https://www.raspberrypi.org/documentation/configuration/boot_folder.md
https://www.raspberrypi.org/documentation/configuration/config-txt/boot.md
But I never used them for now.
So new d03114 boards are confirmed to have the same issue:
[ 4494.368252] raspberrypi-firmware soc:firmware: mbox_send_message returned -62
[ 4494.375405] raspberrypi-clk firmware-clocks: Failed to change pllb frequency: -62
However now that the error appeared into dmesg, vcgencmd measure_clock arm is showing values that aren't stuck anymore, and are moving between 600 MHz, 750 MHz, 1000 MHz and 1500 MHz, and cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_cur_freq command is working again.
So those 2 dmesg lines are clearly about CPU frequency control stuff getting stuck, however, previous times it happened to me, CPU frequency was stuck after those lines, while this time, it was stuck before those lines (and not stuck anymore after).
Hi,
Some news: using ax88179 and kernel 5.4.97 the problem also appears with OpenWrt.
But the problem doesn't occur on Raspbian (with kernel 5.10, both 32 and 64 bits mode), even with OpenWrt values for /sys/devices/system/cpu/cpufreq/ondemand/up_threshold, /sys/devices/system/cpu/cpufreq/ondemand/sampling_rate, and /sys/devices/system/cpu/cpufreq/ondemand/sampling_down_factor.
I tried the 5.10 kernel into OpenWrt and for almost 24 hours, the problem doesn't seem to occur. However, a little bit more patience will be required as the problem only occurs when it wants to (not having encountered the issue after some time doesn't mean it's never going to occur!).
Detail about testing: fluctuating load
When I did continuous high bandwidth test for almost 24h after having found a solution to ksofirqd/0 issue, I didn't have this issue; as the issue is about changing CPU frequency, load should change a lot to trigger the issue (it appeared as soon as a reused OpenWrt as router - speaking with another folks, torrent downloading can trigger the issue).
So for testing on isolated bench, I'm using a computer on the WAN side (and a port forwarding from WAN to LAN) to put a square shaped load using watch -n 0.2 iperf -c WAN_IP -t 0.15 (the CPU goes from 600 to 1500 MHz several times per second). Doing so, the problem quicky occurred on 5.4.97. For now, no problem on 5.10.14.
By the way, for testing Raspbian onto square shaped load, I coded a little program with 4 threads working in loop with 64 bits int, that are paused and restarted (all in the same time) every 250 ms, so that the CPU was switching frequency every 250 ms (I checked). And after 24hours it was still switching frequency with no error into dmesg.
PS: Crappy but working workaround
Using echo performance > /sys/devices/system/cpu/cpufreq/policy0/scaling_governor (placed on rc.local) makes the CPU not switching his frequency anymore (unless it's too hot, which may be dangerous if CPU freq is stuck). Only use it if you have a proper cooler system on your Pi
So I confirm kernel rpi-5.10.y isn't encountering this issue anymore when used with OpenWrt.
(built with a copy of the 5.4.97 kernel .config extracted from /proc/config.gz on running OpenWrt with kernel 5.4.97)
I had few others lines appearing so I ensured they weren't freezing the CPU frequency:
[ 19.226195] IPv6: ADDRCONF(NETDEV_CHANGE): eth1: link becomes ready
[17055.106878] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #08!!!
[41221.258063] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #08!!!
[48632.740792] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #08!!!
I crafted a little script
#!/bin/sh
while true
do
date >> /tmp/periodic-check-freq-log.txt
cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_cur_freq >> /tmp/periodic-check-freq-log.txt
echo "-----------------------------" >> /tmp/periodic-check-freq-log.txt
sleep 5
done
Few times after the [48632.740792] line appeared, I took a look at "uptime"
root@OpenWrt:~# uptime
16:21:14 up 13:45, load average: 0.41, 0.41, 0.36
13:45 uptime means 46800 seconds + 2700 = 49500 seconds (at 16h21 and 14 seconds)
So the last NOHZ message was 48632 meaning 868 seconds before 16h21 and 14 seconds.
854 before 16h21 (14 minutes and 14 seconds before 16h21 : 16h06 and 46 seconds).
But as 13:45 isn't telling how many seconds (between 0 and 59) it's safer to look between 16h06:45 and 16h07:45
Anyway, according to the full log, frequency didn't get stuck and cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_cur_freq was always able to return instantly.
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Mon Feb 15 16:15:27 UTC 2021
1500000
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Mon Feb 15 16:15:32 UTC 2021
1300000
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Mon Feb 15 16:15:37 UTC 2021
1500000
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Mon Feb 15 16:15:42 UTC 2021
1500000
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Mon Feb 15 16:15:47 UTC 2021
600000
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Mon Feb 15 16:15:52 UTC 2021
1400000
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Mon Feb 15 16:15:57 UTC 2021
1500000
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Mon Feb 15 16:16:02 UTC 2021
1400000
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Mon Feb 15 16:16:07 UTC 2021
1200000
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Mon Feb 15 16:16:12 UTC 2021
1500000
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Mon Feb 15 16:16:17 UTC 2021
1500000
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Mon Feb 15 16:16:22 UTC 2021
1400000
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Mon Feb 15 16:16:27 UTC 2021
1400000
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Mon Feb 15 16:16:32 UTC 2021
1100000
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Mon Feb 15 16:16:37 UTC 2021
1400000
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Mon Feb 15 16:16:42 UTC 2021
1500000
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Mon Feb 15 16:16:47 UTC 2021
1500000
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Mon Feb 15 16:16:52 UTC 2021
1400000
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Mon Feb 15 16:16:57 UTC 2021
1400000
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Mon Feb 15 16:17:02 UTC 2021
1300000
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Mon Feb 15 16:17:07 UTC 2021
1400000
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Mon Feb 15 16:17:12 UTC 2021
600000
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Mon Feb 15 16:17:17 UTC 2021
1300000
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Mon Feb 15 16:17:22 UTC 2021
600000
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Mon Feb 15 16:17:27 UTC 2021
600000
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Mon Feb 15 16:17:32 UTC 2021
600000
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Mon Feb 15 16:17:37 UTC 2021
600000
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Mon Feb 15 16:17:42 UTC 2021
600000
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Mon Feb 15 16:17:47 UTC 2021
600000
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Mon Feb 15 16:17:52 UTC 2021
600000
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Mon Feb 15 16:17:57 UTC 2021
600000
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Mon Feb 15 16:18:02 UTC 2021
600000
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Mon Feb 15 16:18:07 UTC 2021
900000
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Mon Feb 15 16:18:12 UTC 2021
1000000
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Mon Feb 15 16:18:17 UTC 2021
1100000
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Mon Feb 15 16:18:22 UTC 2021
1500000
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Mon Feb 15 16:18:27 UTC 2021
1400000
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Mon Feb 15 16:18:32 UTC 2021
1400000
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Mon Feb 15 16:18:37 UTC 2021
1400000
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Mon Feb 15 16:18:42 UTC 2021
1500000
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Mon Feb 15 16:18:47 UTC 2021
1500000
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So OpenWrt 5.4.97 kernel (95 and 96 too, at least), seems to be the cause of the trouble described in this thread!
Cool news! I'm now using last version to see if this issue is corrected.
I'm now using r15904 with kernel 5.4.99
I'll keep you informed from my side but overnight the issue still didn't occur
I think this may be fixed. Been running SNAPSHOT r15871 with 5.4.99 for 6 days now and no errors.
Same for me
Problem solved!
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