hci0: BCM: Reading local name failed (-110) #6462
Comments
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This looks like a symptom of undervoltage.
You could try adding |
The Pi is powered from the car headunit's USB - the project is DIY AndroidAuto dongle.
LoRa device - but unused during this tests.
I'll try that later, thanks
I am using WiFi and BT (and serial for LoRa), so I'll start with that |
Is it ok? |
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It's fine - I just wanted to see if your Z2W had any voltage headroom, and it does. The limit is 1.4V, so if over_voltage=2 doesn't show any improvement, you can can go higher. Higher voltages won't do any damage in the short term, but they can theoretically shorten the life of the device, so use the lowest that works, and remove it if it doesn't help at all. |
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Some small update on this: I had a feeling that it helped but suddenly I encounter the same problem. I forgot to mention one important detail: and I also have this: I also found this: https://raspberrypi.stackexchange.com/questions/47284/pi3-and-mini-uart-bt Overal... if the higher voltage can't fix this, I think I will try with removing And I believe it will force to reload the firmware (module unload is doing nothing as I stated above). |
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Today's update: This time I decided to not test with higher overvoltage but increase the boot_delay instead: Testing... |
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Update: I now disabled the @pelwell |
That's because, after several years, we changed the default to |
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There is an experiment you could try:
To revert, remove the dtparam from config.txt, |
Describe the bug
Hi,
For about 1 of 10 of boots results in hci0 not visible.
I collected the following errors:
or
or
This is leading to problems with bluetoothd which is not reporting any BT adapters, so I cannot use bluetooth.
I was trying to:
And then after modprobing it again I don't have any initialization lines in
dmesg.Is this normal? How can I modprobe it again to have it fully initialized like on clean boot. Is it somehow related with devicetree?
I have to admit that this kind of workaround would be usable for me. I just need to reset/reinit this whole Bluetooth stack/kernel modules (btbcm?) without rebooting the whole Pi.
Steps to reproduce the behaviour
Boot Pi and on some reboot it will occur. Next reboot most of the time fixes the problem.
Device (s)
Raspberry Pi Zero 2 W
System
Linux version 6.1.61-v7
Logs
[ 0.000000] Booting Linux on physical CPU 0x0
[ 0.000000] Linux version 6.1.61-v7 (runner@fv-az735-94) (arm-buildroot-linux-gnueabihf-gcc.br_real (Buildroot -g7a59c3a4) 12.3.0, GNU ld (GNU Binutils) 2.40) #1 SMP Sat Mar 30 17:55:00 UTC 2024
[ 0.000000] CPU: ARMv7 Processor [410fd034] revision 4 (ARMv7), cr=10c5383d
[ 0.000000] CPU: div instructions available: patching division code
[ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache
[ 0.000000] OF: fdt: Machine model: Raspberry Pi Zero 2 W Rev 1.0
[ 0.000000] random: crng init done
[ 0.000000] Memory policy: Data cache writealloc
[ 0.000000] Reserved memory: created CMA memory pool at 0x15800000, 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 0x0000000000000000-0x0000000019bfffff]
[ 0.000000] Normal empty
[ 0.000000] Movable zone start for each node
[ 0.000000] Early memory node ranges
[ 0.000000] node 0: [mem 0x0000000000000000-0x0000000019bfffff]
[ 0.000000] Initmem setup node 0 [mem 0x0000000000000000-0x0000000019bfffff]
[ 0.000000] percpu: Embedded 12 pages/cpu s18004 r8192 d22956 u49152
[ 0.000000] pcpu-alloc: s18004 r8192 d22956 u49152 alloc=12*4096
[ 0.000000] pcpu-alloc: [0] 0 [0] 1 [0] 2 [0] 3
[ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 104545
[ 0.000000] Kernel command line: coherent_pool=1M 8250.nr_uarts=1 snd_bcm2835.enable_headphones=0 bcm2708_fb.fbwidth=720 bcm2708_fb.fbheight=480 bcm2708_fb.fbswap=1 smsc95xx.macaddr=B8:27:EB:67:7C:18 vc_mem.mem_base=0x1ec00000 vc_mem.mem_size=0x20000000 root=/dev/mmcblk0p2 rootwait console=tty1 ro
[ 0.000000] Dentry cache hash table entries: 65536 (order: 6, 262144 bytes, linear)
[ 0.000000] Inode-cache hash table entries: 32768 (order: 5, 131072 bytes, linear)
[ 0.000000] mem auto-init: stack:all(zero), heap alloc:off, heap free:off
[ 0.000000] Memory: 337224K/421888K available (9216K kernel code, 718K rwdata, 2316K rodata, 1024K init, 520K bss, 19128K 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] 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] rcu: srcu_init: Setting srcu_struct sizes based on contention.
[ 0.000000] arch_timer: cp15 timer(s) running at 19.20MHz (phys).
[ 0.000000] clocksource: arch_sys_counter: mask: 0xffffffffffffff max_cycles: 0x46d987e47, max_idle_ns: 440795202767 ns
[ 0.000001] sched_clock: 56 bits at 19MHz, resolution 52ns, wraps every 4398046511078ns
[ 0.000018] Switching to timer-based delay loop, resolution 52ns
[ 0.000337] Console: colour dummy device 80x30
[ 0.000847] printk: console [tty1] enabled
[ 0.000902] Calibrating delay loop (skipped), value calculated using timer frequency.. 38.40 BogoMIPS (lpj=192000)
[ 0.000943] CPU: Testing write buffer coherency: ok
[ 0.000999] pid_max: default: 32768 minimum: 301
[ 0.001126] LSM: Security Framework initializing
[ 0.001244] Mount-cache hash table entries: 1024 (order: 0, 4096 bytes, linear)
[ 0.001281] Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes, linear)
[ 0.002254] cgroup: Disabling memory control group subsystem
[ 0.002752] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000
[ 0.003507] cblist_init_generic: Setting adjustable number of callback queues.
[ 0.003538] cblist_init_generic: Setting shift to 2 and lim to 1.
[ 0.003670] Setting up static identity map for 0x100000 - 0x10003c
[ 0.003803] rcu: Hierarchical SRCU implementation.
[ 0.003825] rcu: Max phase no-delay instances is 1000.
[ 0.004450] smp: Bringing up secondary CPUs ...
[ 0.005210] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001
[ 0.005988] CPU2: thread -1, cpu 2, socket 0, mpidr 80000002
[ 0.006704] CPU3: thread -1, cpu 3, socket 0, mpidr 80000003
[ 0.006791] smp: Brought up 1 node, 4 CPUs
[ 0.006864] SMP: Total of 4 processors activated (153.60 BogoMIPS).
[ 0.006888] CPU: All CPU(s) started in HYP mode.
[ 0.006905] CPU: Virtualization extensions available.
[ 0.007496] devtmpfs: initialized
[ 0.019717] VFP support v0.3: implementor 41 architecture 3 part 40 variant 3 rev 4
[ 0.019962] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
[ 0.020011] futex hash table entries: 1024 (order: 4, 65536 bytes, linear)
[ 0.022556] pinctrl core: initialized pinctrl subsystem
[ 0.023510] NET: Registered PF_NETLINK/PF_ROUTE protocol family
[ 0.025585] DMA: preallocated 1024 KiB pool for atomic coherent allocations
[ 0.030110] audit: initializing netlink subsys (disabled)
[ 0.030341] audit: type=2000 audit(0.030:1): state=initialized audit_enabled=0 res=1
[ 0.030831] thermal_sys: Registered thermal governor 'step_wise'
[ 0.031103] hw-breakpoint: found 5 (+1 reserved) breakpoint and 4 watchpoint registers.
[ 0.031153] hw-breakpoint: maximum watchpoint size is 8 bytes.
[ 0.031354] Serial: AMBA PL011 UART driver
[ 0.036932] bcm2835-mbox 3f00b880.mailbox: mailbox enabled
[ 0.050013] raspberrypi-firmware soc:firmware: Attached to firmware from 2023-10-17T15:42:39, variant start
[ 0.060028] raspberrypi-firmware soc:firmware: Firmware hash is 30f0c5e4d076da3ab4f341d88e7d505760b93ad7
[ 0.098202] kprobes: kprobe jump-optimization is enabled. All kprobes are optimized if possible.
[ 0.099848] bcm2835-dma 3f007000.dma: DMA legacy API manager, dmachans=0x1
[ 0.101379] SCSI subsystem initialized
[ 0.101592] usbcore: registered new interface driver usbfs
[ 0.101658] usbcore: registered new interface driver hub
[ 0.101717] usbcore: registered new device driver usb
[ 0.101890] usb_phy_generic phy: supply vcc not found, using dummy regulator
[ 0.102224] pps_core: LinuxPPS API ver. 1 registered
[ 0.102247] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti giometti@linux.it
[ 0.102291] PTP clock support registered
[ 0.103539] clocksource: Switched to clocksource arch_sys_counter
[ 0.103823] VFS: Disk quotas dquot_6.6.0
[ 0.103894] VFS: Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
[ 0.104043] FS-Cache: Loaded
[ 0.104268] CacheFiles: Loaded
[ 0.112586] NET: Registered PF_INET protocol family
[ 0.112796] IP idents hash table entries: 8192 (order: 4, 65536 bytes, linear)
[ 0.114591] tcp_listen_portaddr_hash hash table entries: 512 (order: 0, 4096 bytes, linear)
[ 0.114647] Table-perturb hash table entries: 65536 (order: 6, 262144 bytes, linear)
[ 0.114687] TCP established hash table entries: 4096 (order: 2, 16384 bytes, linear)
[ 0.114771] TCP bind hash table entries: 4096 (order: 4, 65536 bytes, linear)
[ 0.114957] TCP: Hash tables configured (established 4096 bind 4096)
[ 0.115072] UDP hash table entries: 256 (order: 1, 8192 bytes, linear)
[ 0.115122] UDP-Lite hash table entries: 256 (order: 1, 8192 bytes, linear)
[ 0.115329] NET: Registered PF_UNIX/PF_LOCAL protocol family
[ 0.115784] RPC: Registered named UNIX socket transport module.
[ 0.115810] RPC: Registered udp transport module.
[ 0.115829] RPC: Registered tcp transport module.
[ 0.115848] RPC: Registered tcp NFSv4.1 backchannel transport module.
[ 0.116876] hw perfevents: enabled with armv7_cortex_a7 PMU driver, 7 counters available
[ 0.117975] Initialise system trusted keyrings
[ 0.118141] workingset: timestamp_bits=14 max_order=17 bucket_order=3
[ 0.124237] zbud: loaded
[ 0.126115] NFS: Registering the id_resolver key type
[ 0.126160] Key type id_resolver registered
[ 0.126180] Key type id_legacy registered
[ 0.126279] nfs4filelayout_init: NFSv4 File Layout Driver Registering...
[ 0.126305] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering...
[ 0.127339] Key type asymmetric registered
[ 0.127363] Asymmetric key parser 'x509' registered
[ 0.127507] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 247)
[ 0.127539] io scheduler mq-deadline registered
[ 0.127560] io scheduler kyber registered
[ 0.130364] bcm2708_fb soc:fb: FB found 1 display(s)
[ 0.140933] Console: switching to colour frame buffer device 90x30
[ 0.147465] bcm2708_fb soc:fb: Registered framebuffer for display 0, size 720x480
[ 0.152087] Serial: 8250/16550 driver, 1 ports, IRQ sharing enabled
[ 0.155616] bcm2835-rng 3f104000.rng: hwrng registered
[ 0.158133] vc-mem: phys_addr:0x00000000 mem_base=0x1ec00000 mem_size:0x20000000(512 MiB)
[ 0.172254] brd: module loaded
[ 0.179202] loop: module loaded
[ 0.182019] Loading iSCSI transport class v2.0-870.
[ 0.185584] usbcore: registered new interface driver lan78xx
[ 0.187944] usbcore: registered new interface driver smsc95xx
[ 0.190175] dwc_otg: version 3.00a 10-AUG-2012 (platform bus)
[ 0.192515] dwc_otg: FIQ enabled
[ 0.192522] dwc_otg: NAK holdoff enabled
[ 0.192529] dwc_otg: FIQ split-transaction FSM enabled
[ 0.192540] Module dwc_common_port init
[ 0.192734] usbcore: registered new interface driver usb-storage
[ 0.195193] mousedev: PS/2 mouse device common for all mice
[ 0.198716] sdhci: Secure Digital Host Controller Interface driver
[ 0.201021] sdhci: Copyright(c) Pierre Ossman
[ 0.203443] sdhci-pltfm: SDHCI platform and OF driver helper
[ 0.206337] ledtrig-cpu: registered to indicate activity on CPUs
[ 0.208835] hid: raw HID events driver (C) Jiri Kosina
[ 0.211189] usbcore: registered new interface driver usbhid
[ 0.213436] usbhid: USB HID core driver
[ 0.215717] bcm2835_vchiq 3f00b840.mailbox: there is not valid maps for state default
[ 0.221216] Initializing XFRM netlink socket
[ 0.223625] NET: Registered PF_PACKET protocol family
[ 0.226044] Key type dns_resolver registered
[ 0.228494] Registering SWP/SWPB emulation handler
[ 0.230915] registered taskstats version 1
[ 0.233126] Loading compiled-in X.509 certificates
[ 0.235844] Key type .fscrypt registered
[ 0.237948] Key type fscrypt-provisioning registered
[ 0.245405] 3f215040.serial: ttyS0 at MMIO 0x3f215040 (irq = 86, base_baud = 50000000) is a 16550
[ 0.249905] serial serial0: tty port ttyS0 registered
[ 0.252801] bcm2835-wdt bcm2835-wdt: Broadcom BCM2835 watchdog timer
[ 0.255334] bcm2835-power bcm2835-power: Broadcom BCM2835 power domains driver
[ 0.258768] mmc-bcm2835 3f300000.mmcnr: mmc_debug:0 mmc_debug2:0
[ 0.261140] mmc-bcm2835 3f300000.mmcnr: DMA channel allocated
[ 0.291525] sdhost: log_buf @ 23dd9223 (d5910000)
[ 0.341451] mmc0: sdhost-bcm2835 loaded - DMA enabled (>1)
[ 0.343926] uart-pl011 3f201000.serial: there is not valid maps for state default
[ 0.346520] uart-pl011 3f201000.serial: cts_event_workaround enabled
[ 0.348959] 3f201000.serial: ttyAMA0 at MMIO 0x3f201000 (irq = 114, base_baud = 0) is a PL011 rev2
[ 0.354183] of_cfs_init
[ 0.356633] of_cfs_init: OK
[ 0.359785] Waiting for root device /dev/mmcblk0p2...
[ 0.391468] mmc0: host does not support reading read-only switch, assuming write-enable
[ 0.397009] mmc0: new high speed SDXC card at address b387
[ 0.400071] mmcblk0: mmc0:b387 CBADS 58.3 GiB
[ 0.404272] mmcblk0: p1 p2
[ 0.407074] mmcblk0: mmc0:b387 CBADS 58.3 GiB
[ 0.426517] EXT4-fs (mmcblk0p2): orphan cleanup on readonly fs
[ 0.428995] EXT4-fs (mmcblk0p2): mounted filesystem with ordered data mode. Quota mode: none.
[ 0.433804] VFS: Mounted root (ext4 filesystem) readonly on device 179:2.
[ 0.436631] devtmpfs: mounted
[ 0.440760] Freeing unused kernel image (initmem) memory: 1024K
[ 0.440838] mmc1: new high speed SDIO card at address 0001
[ 0.483964] Run /sbin/init as init process
[ 0.486314] with arguments:
[ 0.486320] /sbin/init
[ 0.486326] with environment:
[ 0.486331] HOME=/
[ 0.486337] TERM=linux
[ 0.904837] cfg80211: Loading compiled-in X.509 certificates for regulatory database
[ 0.956143] cfg80211: Loaded X.509 cert 'benh@debian.org: 577e021cb980e0e820821ba7b54b4961b8b4fadf'
[ 0.963626] cfg80211: Loaded X.509 cert 'romain.perier@gmail.com: 3abbc6ec146e09d1b6016ab9d6cf71dd233f0328'
[ 0.971213] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7'
[ 1.090332] brcmfmac: F1 signature read @0x18000000=0x1541a9a6
[ 1.095098] brcmfmac: brcmf_fw_alloc_request: using brcm/brcmfmac43430-sdio for chip BCM43430/1
[ 1.100961] usbcore: registered new interface driver brcmfmac
[ 1.292427] brcmfmac: brcmf_c_preinit_dcmds: Firmware: BCM43430/1 wl0: Jun 14 2023 07:27:45 version 7.45.96.s1 (gf031a129) FWID 01-70bd2af7 es7
[ 1.348700] Bluetooth: Core ver 2.22
[ 1.351545] NET: Registered PF_BLUETOOTH protocol family
[ 1.354423] Bluetooth: HCI device and connection manager initialized
[ 1.357312] Bluetooth: HCI socket layer initialized
[ 1.360141] Bluetooth: L2CAP socket layer initialized
[ 1.362941] Bluetooth: SCO socket layer initialized
[ 1.383990] Bluetooth: HCI UART driver ver 2.3
[ 1.386709] Bluetooth: HCI UART protocol H4 registered
[ 1.389369] Bluetooth: HCI UART protocol Three-wire (H5) registered
[ 1.392104] Bluetooth: HCI UART protocol Broadcom registered
[ 1.392292] hci_uart_bcm serial0-0: supply vbat not found, using dummy regulator
[ 1.397354] hci_uart_bcm serial0-0: supply vddio not found, using dummy regulator
[ 1.775624] Bluetooth: hci0: BCM: chip id 94
[ 1.779280] Bluetooth: hci0: BCM: features 0x2e
[ 1.793200] Bluetooth: hci0: BCM43430A1
[ 1.795585] Bluetooth: hci0: BCM43430A1 (001.002.009) build 0000
[ 1.801079] Bluetooth: hci0: BCM43430A1 'brcm/BCM43430A1.raspberrypi,model-zero-2-w.hcd' Patch
[ 2.225426] dwc2 3f980000.usb: supply vusb_d not found, using dummy regulator
[ 2.227866] dwc2 3f980000.usb: supply vusb_a not found, using dummy regulator
[ 2.333797] dwc2 3f980000.usb: EPs: 8, dedicated fifos, 4080 entries in SPRAM
[ 3.112583] NET: Registered PF_INET6 protocol family
[ 3.180252] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 3.182830] Segment Routing with IPv6
[ 3.187066] In-situ OAM (IOAM) with IPv6
[ 3.390499] file system registered
[ 3.439430] read descriptors
[ 3.441607] read strings
[ 4.456249] Bluetooth: hci0: BCM: features 0x2e
[ 4.554131] uart-pl011 3f201000.serial: no DMA platform data
[ 6.473577] Bluetooth: hci0: command 0x0c14 tx timeout
[ 14.553562] Bluetooth: hci0: BCM: Reading local name failed (-110)
Additional context
No response
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