OpenWrt/LEDE Project

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  • Task Type Bug Report
  • Category Kernel
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  • Operating System All
  • Severity Low
  • Priority Low
  • Reported Version Trunk
  • Due in Version Undecided
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Attached to Project: OpenWrt/LEDE Project
Opened by Álvaro Fernández Rojas - 29.05.2020

FS#3136 - Alignment exceptions on ipq806x (r7800)

I’ve got 2 Netgear R7800 with the same firmware built from OpenWrt master and only one of them is throwing alignment exceptions:

[    0.000000] Booting Linux on physical CPU 0x0
[    0.000000] Linux version 5.4.42 (noltari@skynet) (gcc version 8.4.0 (OpenWrt GCC 8.4.0 r13398+3-48e3449945)) #0 SMP Fri May 29 07:24:24 2020
[    0.000000] CPU: ARMv7 Processor [512f04d0] revision 0 (ARMv7), cr=10c5787d
[    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: Netgear Nighthawk X4S R7800
[    0.000000] Memory policy: Data cache writealloc
[    0.000000] On node 0 totalpages: 122880
[    0.000000]   Normal zone: 1080 pages used for memmap
[    0.000000]   Normal zone: 0 pages reserved
[    0.000000]   Normal zone: 122880 pages, LIFO batch:31
[    0.000000] percpu: Embedded 15 pages/cpu s30028 r8192 d23220 u61440
[    0.000000] pcpu-alloc: s30028 r8192 d23220 u61440 alloc=15*4096
[    0.000000] pcpu-alloc: [0] 0 [0] 1 
[    0.000000] Built 1 zonelists, mobility grouping on.  Total pages: 121800
[    0.000000] Kernel command line: 
[    0.000000] Bootloader command line (ignored): console=ttyHSL1,115200n8
[    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:off, heap alloc:off, heap free:off
[    0.000000] Memory: 474844K/491520K available (5893K kernel code, 188K rwdata, 1504K rodata, 1024K init, 228K bss, 16676K reserved, 0K cma-reserved, 0K highmem)
[    0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=1
[    0.000000] rcu: Hierarchical RCU implementation.
[    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] random: get_random_bytes called from start_kernel+0x340/0x4e8 with crng_init=0
[    0.000000] clocksource: dg_timer: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 305801671480 ns
[    0.000008] sched_clock: 32 bits at 6MHz, resolution 160ns, wraps every 343597383600ns
[    0.000021] Switching to timer-based delay loop, resolution 160ns
[    0.000242] Calibrating delay loop (skipped), value calculated using timer frequency.. 12.50 BogoMIPS (lpj=62500)
[    0.000264] pid_max: default: 32768 minimum: 301
[    0.000460] Mount-cache hash table entries: 1024 (order: 0, 4096 bytes, linear)
[    0.000479] Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes, linear)
[    0.001501] CPU: Testing write buffer coherency: ok
[    0.002636] Setting up static identity map for 0x42300000 - 0x42300060
[    0.002809] rcu: Hierarchical SRCU implementation.
[    0.003291] smp: Bringing up secondary CPUs ...
[    0.005219] smp: Brought up 1 node, 2 CPUs
[    0.005236] SMP: Total of 2 processors activated (25.00 BogoMIPS).
[    0.005246] CPU: All CPU(s) started in SVC mode.
[    0.015473] VFP support v0.3: implementor 51 architecture 64 part 4d variant 2 rev 0
[    0.015630] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
[    0.015659] futex hash table entries: 512 (order: 3, 32768 bytes, linear)
[    0.015823] pinctrl core: initialized pinctrl subsystem
[    0.016942] NET: Registered protocol family 16
[    0.017229] DMA: preallocated 256 KiB pool for atomic coherent allocations
[    0.018531] cpuidle: using governor ladder
[    0.018598] cpuidle: using governor menu
[    0.055639] usbcore: registered new interface driver usbfs
[    0.055720] usbcore: registered new interface driver hub
[    0.055814] usbcore: registered new device driver usb
[    0.055875] pps_core: LinuxPPS API ver. 1 registered
[    0.055890] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>
[    0.055930] PTP clock support registered
[    0.057577] clocksource: Switched to clocksource dg_timer
[    0.058439] thermal_sys: Registered thermal governor 'step_wise'
[    0.060795] NET: Registered protocol family 2
[    0.061381] tcp_listen_portaddr_hash hash table entries: 512 (order: 0, 6144 bytes, linear)
[    0.061423] TCP established hash table entries: 4096 (order: 2, 16384 bytes, linear)
[    0.061467] TCP bind hash table entries: 4096 (order: 3, 32768 bytes, linear)
[    0.061522] TCP: Hash tables configured (established 4096 bind 4096)
[    0.061627] UDP hash table entries: 256 (order: 1, 8192 bytes, linear)
[    0.061657] UDP-Lite hash table entries: 256 (order: 1, 8192 bytes, linear)
[    0.061896] NET: Registered protocol family 1
[    0.061954] PCI: CLS 0 bytes, default 64
[    0.063423] workingset: timestamp_bits=14 max_order=17 bucket_order=3
[    0.070052] squashfs: version 4.0 (2009/01/31) Phillip Lougher
[    0.070068] jffs2: version 2.2 (NAND) (SUMMARY) (LZMA) (RTIME) (CMODE_PRIORITY) (c) 2001-2006 Red Hat, Inc.
[    0.110296] qcom-pcie 1b500000.pci: 1b500000.pci supply vdda not found, using dummy regulator
[    0.110440] qcom-pcie 1b500000.pci: 1b500000.pci supply vdda_phy not found, using dummy regulator
[    0.110550] qcom-pcie 1b500000.pci: 1b500000.pci supply vdda_refclk not found, using dummy regulator
[    0.110822] qcom-pcie 1b500000.pci: host bridge /soc/pci@1b500000 ranges:
[    0.110850] qcom-pcie 1b500000.pci: Parsing ranges property...
[    0.110898] qcom-pcie 1b500000.pci:    IO 0x0fe00000..0x0fefffff -> 0x0fe00000
[    0.110937] qcom-pcie 1b500000.pci:   MEM 0x08000000..0x0fdfffff -> 0x08000000
[    0.332501] qcom-pcie 1b500000.pci: Link up
[    0.332674] qcom-pcie 1b500000.pci: PCI host bridge to bus 0000:00
[    0.332696] pci_bus 0000:00: root bus resource [bus 00-ff]
[    0.332718] pci_bus 0000:00: root bus resource [io  0x0000-0xfffff] (bus address [0xfe00000-0xfefffff])
[    0.332735] pci_bus 0000:00: root bus resource [mem 0x08000000-0x0fdfffff]
[    0.332753] pci_bus 0000:00: scanning bus
[    0.332804] pci 0000:00:00.0: [17cb:0101] type 01 class 0xff0000
[    0.332976] pci 0000:00:00.0: supports D1
[    0.332993] pci 0000:00:00.0: PME# supported from D0 D1 D3hot
[    0.333014] pci 0000:00:00.0: PME# disabled
[    0.337082] pci_bus 0000:00: fixups for bus
[    0.337107] PCI: bus0: Fast back to back transfers disabled
[    0.337129] pci 0000:00:00.0: scanning [bus 01-ff] behind bridge, pass 0
[    0.337275] pci_bus 0000:01: scanning bus
[    0.337456] pci 0000:01:00.0: [168c:0046] type 00 class 0x028000
[    0.337925] pci 0000:01:00.0: reg 0x10: [mem 0x00000000-0x001fffff 64bit]
[    0.339073] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold
[    0.339120] pci 0000:01:00.0: PME# disabled
[    0.343339] pci_bus 0000:01: fixups for bus
[    0.343410] PCI: bus1: Fast back to back transfers disabled
[    0.343428] pci_bus 0000:01: bus scan returning with max=01
[    0.343446] pci 0000:00:00.0: scanning [bus 01-ff] behind bridge, pass 1
[    0.343465] pci_bus 0000:00: bus scan returning with max=ff
[    0.343499] pci 0000:00:00.0: BAR 8: assigned [mem 0x08000000-0x081fffff]
[    0.343524] pci 0000:01:00.0: BAR 0: assigned [mem 0x08000000-0x081fffff 64bit]
[    0.343652] pci 0000:00:00.0: PCI bridge to [bus 01-ff]
[    0.343677] pci 0000:00:00.0:   bridge window [mem 0x08000000-0x081fffff]
[    0.343887] pcieport 0000:00:00.0: assign IRQ: got 35
[    0.344639] pcieport 0000:00:00.0: AER: enabled with IRQ 36
[    0.345252] qcom-pcie 1b700000.pci: 1b700000.pci supply vdda not found, using dummy regulator
[    0.345380] qcom-pcie 1b700000.pci: 1b700000.pci supply vdda_phy not found, using dummy regulator
[    0.345517] qcom-pcie 1b700000.pci: 1b700000.pci supply vdda_refclk not found, using dummy regulator
[    0.345770] qcom-pcie 1b700000.pci: host bridge /soc/pci@1b700000 ranges:
[    0.345792] qcom-pcie 1b700000.pci: Parsing ranges property...
[    0.345835] qcom-pcie 1b700000.pci:    IO 0x31e00000..0x31efffff -> 0x31e00000
[    0.345869] qcom-pcie 1b700000.pci:   MEM 0x2e000000..0x31dfffff -> 0x2e000000
[    0.575016] qcom-pcie 1b700000.pci: Link up
[    0.575165] qcom-pcie 1b700000.pci: PCI host bridge to bus 0001:00
[    0.575184] pci_bus 0001:00: root bus resource [bus 00-ff]
[    0.575203] pci_bus 0001:00: root bus resource [mem 0x2e000000-0x31dfffff]
[    0.575219] pci_bus 0001:00: scanning bus
[    0.575261] pci 0001:00:00.0: [17cb:0101] type 01 class 0xff0000
[    0.575405] pci 0001:00:00.0: supports D1
[    0.575422] pci 0001:00:00.0: PME# supported from D0 D1 D3hot
[    0.575440] pci 0001:00:00.0: PME# disabled
[    0.579554] pci_bus 0001:00: fixups for bus
[    0.579576] PCI: bus0: Fast back to back transfers disabled
[    0.579594] pci 0001:00:00.0: scanning [bus 01-ff] behind bridge, pass 0
[    0.579730] pci_bus 0001:01: scanning bus
[    0.579920] pci 0001:01:00.0: [168c:0046] type 00 class 0x028000
[    0.580297] pci 0001:01:00.0: reg 0x10: [mem 0x00000000-0x001fffff 64bit]
[    0.581531] pci 0001:01:00.0: PME# supported from D0 D3hot D3cold
[    0.581581] pci 0001:01:00.0: PME# disabled
[    0.581834] pci 0001:01:00.0: 2.000 Gb/s available PCIe bandwidth, limited by 2.5 GT/s x1 link at 0001:00:00.0 (capable of 4.000 Gb/s with 5 GT/s x1 link)
[    0.585838] pci_bus 0001:01: fixups for bus
[    0.585914] PCI: bus1: Fast back to back transfers disabled
[    0.585932] pci_bus 0001:01: bus scan returning with max=01
[    0.585949] pci 0001:00:00.0: scanning [bus 01-ff] behind bridge, pass 1
[    0.585967] pci_bus 0001:00: bus scan returning with max=ff
[    0.585991] pci 0001:00:00.0: BAR 8: assigned [mem 0x2e000000-0x2e1fffff]
[    0.586014] pci 0001:01:00.0: BAR 0: assigned [mem 0x2e000000-0x2e1fffff 64bit]
[    0.586146] pci 0001:00:00.0: PCI bridge to [bus 01-ff]
[    0.586168] pci 0001:00:00.0:   bridge window [mem 0x2e000000-0x2e1fffff]
[    0.586379] pcieport 0001:00:00.0: assign IRQ: got 37
[    0.587054] pcieport 0001:00:00.0: AER: enabled with IRQ 38
[    0.589655] L2 @ QSB rate. Forcing new rate.
[    0.589884] L2 @ 384000 KHz
[    0.590062] CPU0 @ 800000 KHz
[    0.590074] CPU1 @ QSB rate. Forcing new rate.
[    0.590200] CPU1 @ 384000 KHz
[    0.593784] gsbi 16300000.gsbi: GSBI port protocol: 6 crci: 0
[    0.595940] Serial: 8250/16550 driver, 2 ports, IRQ sharing disabled
[    0.596712] msm_serial 16340000.serial: msm_serial: detected port #0
[    0.596767] msm_serial 16340000.serial: uartclk = 7372800
[    0.596839] 16340000.serial: ttyMSM0 at MMIO 0x16340000 (irq = 39, base_baud = 460800) is a MSM
[    0.596876] msm_serial: console setup on port #0
[    1.363216] printk: console [ttyMSM0] enabled
[    1.368292] msm_serial: driver initialized
[    1.377328] loop: module loaded
[    1.379017] nand: device found, Manufacturer ID: 0x2c, Chip ID: 0xa1
[    1.379280] nand: Micron MT29F1G08ABBEAH4
[    1.385875] nand: 128 MiB, SLC, erase size: 128 KiB, page size: 2048, OOB size: 64
[    1.389975] 8 fixed-partitions partitions found on MTD device qcom_nand.0
[    1.397246] Creating 8 MTD partitions on "qcom_nand.0":
[    1.404197] 0x000000000000-0x000000c80000 : "qcadata"
[    1.414344] random: fast init done
[    1.430388] 0x000000c80000-0x000001180000 : "APPSBL"
[    1.439436] 0x000001180000-0x000001200000 : "APPSBLENV"
[    1.441172] 0x000001200000-0x000001340000 : "art"
[    1.446411] 0x000001340000-0x000001480000 : "artbak"
[    1.451329] 0x000001480000-0x000001880000 : "kernel"
[    1.460780] 0x000001880000-0x000007900000 : "ubi"
[    1.616654] 0x000007900000-0x000008000000 : "reserve"
[    1.630468] libphy: ipq8064_mdio_bus: probed
[    1.680369] switch0: Atheros AR8337 rev. 2 switch registered on 37000000.mdio-mii
[    2.830271] ar8327: qca,phy-rgmii-en is not specified
[    2.830690] libphy: Fixed MDIO Bus: probed
[    2.835000] ipq806x-gmac-dwmac 37200000.ethernet: IRQ eth_wake_irq not found
[    2.838388] ipq806x-gmac-dwmac 37200000.ethernet: IRQ eth_lpi not found
[    2.846280] ipq806x-gmac-dwmac 37200000.ethernet: PTP uses main clock
[    2.852700] ipq806x-gmac-dwmac 37200000.ethernet: User ID: 0x10, Synopsys ID: 0x37
[    2.858554] ipq806x-gmac-dwmac 37200000.ethernet: 	DWMAC1000
[    2.865905] ipq806x-gmac-dwmac 37200000.ethernet: DMA HW capability register supported
[    2.871821] ipq806x-gmac-dwmac 37200000.ethernet: RX Checksum Offload Engine supported
[    2.879527] ipq806x-gmac-dwmac 37200000.ethernet: COE Type 2
[    2.887343] ipq806x-gmac-dwmac 37200000.ethernet: TX Checksum insertion supported
[    2.893240] ipq806x-gmac-dwmac 37200000.ethernet: Wake-Up On Lan supported
[    2.900614] ipq806x-gmac-dwmac 37200000.ethernet: Enhanced/Alternate descriptors
[    2.907311] ipq806x-gmac-dwmac 37200000.ethernet: Enabled extended descriptors
[    2.914952] ipq806x-gmac-dwmac 37200000.ethernet: Ring mode enabled
[    2.921981] ipq806x-gmac-dwmac 37200000.ethernet: Enable RX Mitigation via HW Watchdog Timer
[    2.929043] ipq806x-gmac-dwmac 37400000.ethernet: IRQ eth_wake_irq not found
[    2.936741] ipq806x-gmac-dwmac 37400000.ethernet: IRQ eth_lpi not found
[    2.944042] ipq806x-gmac-dwmac 37400000.ethernet: PTP uses main clock
[    2.950690] ipq806x-gmac-dwmac 37400000.ethernet: User ID: 0x10, Synopsys ID: 0x37
[    2.956706] ipq806x-gmac-dwmac 37400000.ethernet: 	DWMAC1000
[    2.964259] ipq806x-gmac-dwmac 37400000.ethernet: DMA HW capability register supported
[    2.970068] ipq806x-gmac-dwmac 37400000.ethernet: RX Checksum Offload Engine supported
[    2.977711] ipq806x-gmac-dwmac 37400000.ethernet: COE Type 2
[    2.985678] ipq806x-gmac-dwmac 37400000.ethernet: TX Checksum insertion supported
[    2.991489] ipq806x-gmac-dwmac 37400000.ethernet: Wake-Up On Lan supported
[    2.998861] ipq806x-gmac-dwmac 37400000.ethernet: Enhanced/Alternate descriptors
[    3.005574] ipq806x-gmac-dwmac 37400000.ethernet: Enabled extended descriptors
[    3.013201] ipq806x-gmac-dwmac 37400000.ethernet: Ring mode enabled
[    3.020231] ipq806x-gmac-dwmac 37400000.ethernet: Enable RX Mitigation via HW Watchdog Timer
[    3.027308] i2c /dev entries driver
[    3.037342] cpuidle: enable-method property 'qcom,kpss-acc-v1' found operations
[    3.038412] cpuidle: enable-method property 'qcom,kpss-acc-v1' found operations
[    3.046079] sdhci: Secure Digital Host Controller Interface driver
[    3.052874] sdhci: Copyright(c) Pierre Ossman
[    3.059120] sdhci-pltfm: SDHCI platform and OF driver helper
[    3.066091] NET: Registered protocol family 10
[    3.070704] Segment Routing with IPv6
[    3.073540] NET: Registered protocol family 17
[    3.077458] 8021q: 802.1Q VLAN Support v1.8
[    3.081686] Registering SWP/SWPB emulation handler
[    3.109432] qcom_rpm 108000.rpm: RPM firmware 3.0.16777364
[    3.122994] s1a: supplied by regulator-dummy
[    3.123099] s1a: Bringing 0uV into 1050000-1050000uV
[    3.126619] s1b: supplied by regulator-dummy
[    3.131476] s1b: Bringing 0uV into 1050000-1050000uV
[    3.135788] s2a: supplied by regulator-dummy
[    3.140649] s2a: Bringing 0uV into 775000-775000uV
[    3.144996] s2b: supplied by regulator-dummy
[    3.149481] s2b: Bringing 0uV into 775000-775000uV
[    3.155482] Speed bin: 0
[    3.158434] PVS bin: 4
[    3.169157] UBI: auto-attach mtd6
[    3.169175] ubi0: attaching mtd6
[    3.231841] random: crng init done
[    3.863297] ubi0: scanning is finished
[    3.872737] ubi0: attached mtd6 (name "ubi", size 96 MiB)
[    3.872757] ubi0: PEB size: 131072 bytes (128 KiB), LEB size: 126976 bytes
[    3.877104] ubi0: min./max. I/O unit sizes: 2048/2048, sub-page size 2048
[    3.883959] ubi0: VID header offset: 2048 (aligned 2048), data offset: 4096
[    3.890790] ubi0: good PEBs: 772, bad PEBs: 0, corrupted PEBs: 0
[    3.897503] ubi0: user volume: 2, internal volumes: 1, max. volumes count: 128
[    3.903813] ubi0: max/mean erase counter: 8/4, WL threshold: 4096, image sequence number: 1164284368
[    3.910842] ubi0: available PEBs: 0, total reserved PEBs: 772, PEBs reserved for bad PEB handling: 20
[    3.920258] ubi0: background thread "ubi_bgt0d" started, PID 93
[    3.920861] block ubiblock0_0: created from ubi0:0(rootfs)
[    3.934915] ubiblock: device ubiblock0_0 (rootfs) set to be root filesystem
[    3.940521] hctosys: unable to open rtc device (rtc0)
[    3.952741] VFS: Mounted root (squashfs filesystem) readonly on device 254:0.
[    3.954223] Freeing unused kernel memory: 1024K
[    3.988265] Run /sbin/init as init process
[    4.441889] init: Console is alive
[    4.442057] init: - watchdog -
[    5.259389] kmodloader: loading kernel modules from /etc/modules-boot.d/*
[    5.276144] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
[    5.278921] SCSI subsystem initialized
[    5.285174] libata version 3.00 loaded.
[    5.286877] ahci 29000000.sata: 29000000.sata supply ahci not found, using dummy regulator
[    5.286970] ahci 29000000.sata: 29000000.sata supply phy not found, using dummy regulator
[    5.294151] ahci 29000000.sata: 29000000.sata supply target not found, using dummy regulator
[    5.302769] ahci 29000000.sata: forcing port_map 0x0 -> 0x1
[    5.310869] ahci 29000000.sata: AHCI 0001.0300 32 slots 1 ports 6 Gbps 0x1 impl platform mode
[    5.316080] ahci 29000000.sata: flags: ncq sntf pm led clo only pmp pio slum part ccc apst 
[    5.326028] scsi host0: ahci
[    5.333172] ata1: SATA max UDMA/133 mmio [mem 0x29000000-0x2900017f] port 0x100 irq 26
[    5.660523] ata1: SATA link down (SStatus 0 SControl 300)
[    5.665903] ehci-fsl: Freescale EHCI Host controller driver
[    5.667476] ehci-platform: EHCI generic platform driver
[    5.676974] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
[    5.677583] ohci-platform: OHCI generic platform driver
[    5.684512] dwc3-qcom 110f8800.usb3: IRQ hs_phy_irq not found
[    5.687166] dwc3-qcom 110f8800.usb3: IRQ dp_hs_phy_irq not found
[    5.693178] dwc3-qcom 110f8800.usb3: IRQ dm_hs_phy_irq not found
[    5.699223] dwc3-qcom 110f8800.usb3: IRQ ss_phy_irq not found
[    5.707257] dwc3-qcom 100f8800.usb3: IRQ hs_phy_irq not found
[    5.710836] dwc3-qcom 100f8800.usb3: IRQ dp_hs_phy_irq not found
[    5.716504] dwc3-qcom 100f8800.usb3: IRQ dm_hs_phy_irq not found
[    5.722664] dwc3-qcom 100f8800.usb3: IRQ ss_phy_irq not found
[    5.732523] dwc3 11000000.dwc3: Failed to get clk 'ref': -2
[    5.788480] dwc3 10000000.dwc3: Failed to get clk 'ref': -2
[    5.851309] xhci-hcd xhci-hcd.0.auto: xHCI Host Controller
[    5.851368] xhci-hcd xhci-hcd.0.auto: new USB bus registered, assigned bus number 1
[    5.855876] xhci-hcd xhci-hcd.0.auto: hcc params 0x0228f065 hci version 0x100 quirks 0x0000000002010010
[    5.863381] xhci-hcd xhci-hcd.0.auto: irq 43, io mem 0x11000000
[    5.873615] hub 1-0:1.0: USB hub found
[    5.878642] hub 1-0:1.0: 1 port detected
[    5.882543] xhci-hcd xhci-hcd.0.auto: xHCI Host Controller
[    5.886429] xhci-hcd xhci-hcd.0.auto: new USB bus registered, assigned bus number 2
[    5.891780] xhci-hcd xhci-hcd.0.auto: Host supports USB 3.0 SuperSpeed
[    5.899421] usb usb2: We don't know the algorithms for LPM for this host, disabling LPM.
[    5.906190] hub 2-0:1.0: USB hub found
[    5.914200] hub 2-0:1.0: 1 port detected
[    5.919357] xhci-hcd xhci-hcd.1.auto: xHCI Host Controller
[    5.921756] xhci-hcd xhci-hcd.1.auto: new USB bus registered, assigned bus number 3
[    5.927172] xhci-hcd xhci-hcd.1.auto: hcc params 0x0228f065 hci version 0x100 quirks 0x0000000002010010
[    5.934694] xhci-hcd xhci-hcd.1.auto: irq 44, io mem 0x10000000
[    5.944582] hub 3-0:1.0: USB hub found
[    5.949969] hub 3-0:1.0: 1 port detected
[    5.953865] xhci-hcd xhci-hcd.1.auto: xHCI Host Controller
[    5.957774] xhci-hcd xhci-hcd.1.auto: new USB bus registered, assigned bus number 4
[    5.963142] xhci-hcd xhci-hcd.1.auto: Host supports USB 3.0 SuperSpeed
[    5.971416] usb usb4: We don't know the algorithms for LPM for this host, disabling LPM.
[    5.977540] hub 4-0:1.0: USB hub found
[    5.985562] hub 4-0:1.0: 1 port detected
[    5.990721] kmodloader: done loading kernel modules from /etc/modules-boot.d/*
[    6.000453] init: - preinit -
[    8.211376] dwmac1000: Master AXI performs any burst length
[    8.211407] ipq806x-gmac-dwmac 37400000.ethernet eth1: No Safety Features support found
[    8.215754] ipq806x-gmac-dwmac 37400000.ethernet eth1: IEEE 1588-2008 Advanced Timestamp supported
[    8.223915] ipq806x-gmac-dwmac 37400000.ethernet eth1: registered PTP clock
[    8.232848] ipq806x-gmac-dwmac 37400000.ethernet eth1: configuring for fixed/sgmii link mode
[    8.240251] ipq806x-gmac-dwmac 37400000.ethernet eth1: Link is Up - 1Gbps/Full - flow control off
[    8.248558] IPv6: ADDRCONF(NETDEV_CHANGE): eth1: link becomes ready
[   12.418896] UBIFS (ubi0:1): Mounting in unauthenticated mode
[   12.419040] UBIFS (ubi0:1): background thread "ubifs_bgt0_1" started, PID 180
[   12.568955] UBIFS (ubi0:1): UBIFS: mounted UBI device 0, volume 1, name "rootfs_data"
[   12.568978] UBIFS (ubi0:1): LEB size: 126976 bytes (124 KiB), min./max. I/O unit sizes: 2048 bytes/2048 bytes
[   12.575760] UBIFS (ubi0:1): FS size: 88248320 bytes (84 MiB, 695 LEBs), journal size 4444160 bytes (4 MiB, 35 LEBs)
[   12.585725] UBIFS (ubi0:1): reserved for root: 4168186 bytes (4070 KiB)
[   12.595982] UBIFS (ubi0:1): media format: w4/r0 (latest is w5/r0), UUID 05119043-2946-47B5-88DC-46E382FD2959, small LPT model
[   12.608409] mount_root: overlay filesystem has not been fully initialized yet
[   12.614216] mount_root: switching to ubifs overlay
[   12.648550] overlayfs: upper fs does not support xattr, falling back to index=off and metacopy=off.
[   12.709449] urandom-seed: Seed file not found (/etc/urandom.seed)
[   12.802232] ipq806x-gmac-dwmac 37400000.ethernet eth1: Link is Down
[   12.869339] procd: - early -
[   12.869423] procd: - watchdog -
[   13.416076] procd: - watchdog -
[   13.416705] procd: - ubus -
[   13.497779] procd: - init -
[   13.807250] kmodloader: loading kernel modules from /etc/modules.d/*
[   13.807481] urngd: v1.0.2 started.
[   13.822992] Loading modules backported from Linux version v5.7-rc3-0-g6a8b55ed4056
[   13.823016] Backport generated by backports.git v5.7-rc3-1-0-gc0c7d2bb
[   13.835774] wireguard: WireGuard 1.0.20200520 loaded. See www.wireguard.com for information.
[   13.835960] wireguard: Copyright (C) 2015-2019 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
[   13.849108] xt_time: kernel timezone is -0000
[   13.878438] PPP generic driver version 2.4.2
[   13.878942] NET: Registered protocol family 24
[   13.894701] ath10k_pci 0000:01:00.0: assign IRQ: got 35
[   13.894721] ath10k 5.1 driver, optimized for CT firmware, probing pci device: 0x46.
[   13.895103] ath10k_pci 0000:01:00.0: enabling device (0140 -> 0142)
[   13.901316] ath10k_pci 0000:01:00.0: enabling bus mastering
[   13.901842] ath10k_pci 0000:01:00.0: pci irq msi oper_irq_mode 2 irq_mode 0 reset_mode 0
[   14.586600] ath10k_pci 0000:01:00.0: qca9984/qca9994 hw1.0 target 0x01000000 chip_id 0x00000000 sub 168c:cafe
[   14.586649] ath10k_pci 0000:01:00.0: kconfig debug 0 debugfs 1 tracing 0 dfs 1 testmode 0
[   14.600184] ath10k_pci 0000:01:00.0: firmware ver 10.4b-ct-9984-fH-013-d81f62d97 api 5 features mfp,peer-flow-ctrl,txstatus-noack,wmi-10.x-CT,ratemask-CT,regdump-CT,txrate-CT,flush-all-CT,pingpong-CT,ch-regs-CT,nop-CT,htt-mgt-CT,set-special-CT,tx-rc-CT,cust-stats-CT,txrate2-CT,beacon-cb-CT,wmi-block-ack-CT,wmi-bcn-rc-CT crc32 5e71f3d8
[   16.923270] ath10k_pci 0000:01:00.0: board_file api 2 bmi_id 0:1 crc32 85498734
[   22.764887] ath10k_pci 0000:01:00.0: unsupported HTC service id: 1536
[   22.765774] ath10k_pci 0000:01:00.0: 10.4 wmi init: vdevs: 16  peers: 48  tid: 96
[   22.770383] ath10k_pci 0000:01:00.0: msdu-desc: 2500  skid: 32
[   22.853278] ath10k_pci 0000:01:00.0: wmi print 'P 48/48 V 16 K 144 PH 176 T 186  msdu-desc: 2500  sw-crypt: 0 ct-sta: 0'
[   22.854123] ath10k_pci 0000:01:00.0: wmi print 'free: 84872 iram: 13412 sram: 11224'
[   23.143016] ath10k_pci 0000:01:00.0: htt-ver 2.2 wmi-op 6 htt-op 4 cal pre-cal-file max-sta 32 raw 0 hwcrypto 1
[   23.238959] ath: EEPROM regdomain sanitized
[   23.238979] ath: EEPROM regdomain: 0x64
[   23.238989] ath: EEPROM indicates we should expect a direct regpair map
[   23.239012] ath: Country alpha2 being used: 00
[   23.239022] ath: Regpair used: 0x64
[   23.247470] ath10k_pci 0001:01:00.0: assign IRQ: got 37
[   23.247495] ath10k 5.1 driver, optimized for CT firmware, probing pci device: 0x46.
[   23.248218] ath10k_pci 0001:01:00.0: enabling device (0140 -> 0142)
[   23.254039] ath10k_pci 0001:01:00.0: enabling bus mastering
[   23.254645] ath10k_pci 0001:01:00.0: pci irq msi oper_irq_mode 2 irq_mode 0 reset_mode 0
[   23.569431] ath10k_pci 0001:01:00.0: qca9984/qca9994 hw1.0 target 0x01000000 chip_id 0x00000000 sub 168c:cafe
[   23.569466] ath10k_pci 0001:01:00.0: kconfig debug 0 debugfs 1 tracing 0 dfs 1 testmode 0
[   23.580837] ath10k_pci 0001:01:00.0: firmware ver 10.4b-ct-9984-fH-013-d81f62d97 api 5 features mfp,peer-flow-ctrl,txstatus-noack,wmi-10.x-CT,ratemask-CT,regdump-CT,txrate-CT,flush-all-CT,pingpong-CT,ch-regs-CT,nop-CT,htt-mgt-CT,set-special-CT,tx-rc-CT,cust-stats-CT,txrate2-CT,beacon-cb-CT,wmi-block-ack-CT,wmi-bcn-rc-CT crc32 5e71f3d8
[   25.965788] ath10k_pci 0001:01:00.0: board_file api 2 bmi_id 0:2 crc32 85498734
[   31.926889] ath10k_pci 0001:01:00.0: unsupported HTC service id: 1536
[   31.927736] ath10k_pci 0001:01:00.0: 10.4 wmi init: vdevs: 16  peers: 48  tid: 96
[   31.932304] ath10k_pci 0001:01:00.0: msdu-desc: 2500  skid: 32
[   32.017922] ath10k_pci 0001:01:00.0: wmi print 'P 48/48 V 16 K 144 PH 176 T 186  msdu-desc: 2500  sw-crypt: 0 ct-sta: 0'
[   32.018816] ath10k_pci 0001:01:00.0: wmi print 'free: 84872 iram: 13412 sram: 11224'
[   32.400518] ath10k_pci 0001:01:00.0: htt-ver 2.2 wmi-op 6 htt-op 4 cal pre-cal-file max-sta 32 raw 0 hwcrypto 1
[   32.489614] ath: EEPROM regdomain sanitized
[   32.489634] ath: EEPROM regdomain: 0x64
[   32.489645] ath: EEPROM indicates we should expect a direct regpair map
[   32.489668] ath: Country alpha2 being used: 00
[   32.489678] ath: Regpair used: 0x64
[   32.501079] kmodloader: done loading kernel modules from /etc/modules.d/*
[   37.152937] Alignment trap: not handling instruction f4410a1f at [<000847ec>]
[   37.152961] 8<--- cut here ---
[   37.159119] Unhandled fault: alignment exception (0x801) at 0x01559594
[   37.161997] pgd = 651ef7ab
[   37.168576] [01559594] *pgd=5dae4835, *pte=5ce8875f, *ppte=5ce88c7f
[   37.267396] dwmac1000: Master AXI performs any burst length
[   37.267427] ipq806x-gmac-dwmac 37400000.ethernet eth1: No Safety Features support found
[   37.271872] ipq806x-gmac-dwmac 37400000.ethernet eth1: IEEE 1588-2008 Advanced Timestamp supported
[   37.279913] ipq806x-gmac-dwmac 37400000.ethernet eth1: registered PTP clock
[   37.288853] ipq806x-gmac-dwmac 37400000.ethernet eth1: configuring for fixed/sgmii link mode
[   37.295795] ipq806x-gmac-dwmac 37400000.ethernet eth1: Link is Up - 1Gbps/Full - flow control off
[   37.303777] br-lan: port 1(eth1.1) entered blocking state
[   37.313165] br-lan: port 1(eth1.1) entered disabled state
[   37.318698] device eth1.1 entered promiscuous mode
[   37.323850] device eth1 entered promiscuous mode
[   37.328816] IPv6: ADDRCONF(NETDEV_CHANGE): eth1: link becomes ready
[   37.336050] br-lan: port 1(eth1.1) entered blocking state
[   37.339365] br-lan: port 1(eth1.1) entered forwarding state
[   37.354176] dwmac1000: Master AXI performs any burst length
[   37.354204] ipq806x-gmac-dwmac 37200000.ethernet eth0: No Safety Features support found
[   37.358736] ipq806x-gmac-dwmac 37200000.ethernet eth0: IEEE 1588-2008 Advanced Timestamp supported
[   37.366642] ipq806x-gmac-dwmac 37200000.ethernet eth0: registered PTP clock
[   37.375640] ipq806x-gmac-dwmac 37200000.ethernet eth0: configuring for fixed/rgmii link mode
[   37.383004] ipq806x-gmac-dwmac 37200000.ethernet eth0: Link is Up - 1Gbps/Full - flow control off
[   37.391748] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
[   38.009405] pppoe-wan: renamed from ppp0
[   38.220386] ath: EEPROM regdomain: 0x82d4
[   38.220406] ath: EEPROM indicates we should expect a country code
[   38.223369] ath: doing EEPROM country->regdmn map search
[   38.229536] ath: country maps to regdmn code: 0x37
[   38.234824] ath: Country alpha2 being used: ES
[   38.239508] ath: Regpair used: 0x37
[   38.243865] ath: regdomain 0x82d4 dynamically updated by user
[   38.247258] ath: EEPROM regdomain: 0x82d4
[   38.253222] ath: EEPROM indicates we should expect a country code
[   38.257135] ath: doing EEPROM country->regdmn map search
[   38.263284] ath: country maps to regdmn code: 0x37
[   38.268657] ath: Country alpha2 being used: ES
[   38.273192] ath: Regpair used: 0x37
[   38.277623] ath: regdomain 0x82d4 dynamically updated by user
[   38.338720] ath: EEPROM regdomain: 0x8348
[   38.338739] ath: EEPROM indicates we should expect a country code
[   38.341702] ath: doing EEPROM country->regdmn map search
[   38.347781] ath: country maps to regdmn code: 0x3a
[   38.353239] ath: Country alpha2 being used: US
[   38.357816] ath: Regpair used: 0x3a
[   38.362187] ath: regdomain 0x8348 dynamically updated by user
[   38.365596] ath: EEPROM regdomain: 0x8348
[   38.371530] ath: EEPROM indicates we should expect a country code
[   38.375469] ath: doing EEPROM country->regdmn map search
[   38.381626] ath: country maps to regdmn code: 0x3a
[   38.386926] ath: Country alpha2 being used: US
[   38.391586] ath: Regpair used: 0x3a
[   38.395951] ath: regdomain 0x8348 dynamically updated by user
[   38.401528] IPv6: ADDRCONF(NETDEV_CHANGE): br-lan: link becomes ready
[   45.445311] ath10k_pci 0001:01:00.0: unsupported HTC service id: 1536
[   45.445523] ath10k_pci 0001:01:00.0: 10.4 wmi init: vdevs: 16  peers: 48  tid: 96
[   45.450813] ath10k_pci 0001:01:00.0: msdu-desc: 2500  skid: 32
[   45.536265] ath10k_pci 0001:01:00.0: wmi print 'P 48/48 V 16 K 144 PH 176 T 186  msdu-desc: 2500  sw-crypt: 0 ct-sta: 0'
[   45.537153] ath10k_pci 0001:01:00.0: wmi print 'free: 84872 iram: 13412 sram: 11224'
[   46.077345] ath10k_pci 0001:01:00.0: Firmware lacks feature flag indicating a retry limit of > 2 is OK, requested limit: 4
[   46.086199] Alignment trap: not handling instruction f4410a1f at [<000847ec>]
[   46.087292] 8<--- cut here ---
[   46.094611] Unhandled fault: alignment exception (0x801) at 0x01a5a264
[   46.097449] pgd = 7d425fb1
[   46.104035] [01a5a264] *pgd=5d7b7835, *pte=5ca0175f, *ppte=5ca01c7f
[   46.123943] br-lan: port 2(wlan1) entered blocking state
[   46.123966] br-lan: port 2(wlan1) entered disabled state
[   46.128620] device wlan1 entered promiscuous mode
[   46.299909] ath10k_pci 0001:01:00.0: NOTE:  Firmware DBGLOG output disabled in debug_mask: 0x10000000
[   52.074815] ath10k_pci 0000:01:00.0: unsupported HTC service id: 1536
[   52.075005] ath10k_pci 0000:01:00.0: 10.4 wmi init: vdevs: 16  peers: 48  tid: 96
[   52.080305] ath10k_pci 0000:01:00.0: msdu-desc: 2500  skid: 32
[   52.163253] ath10k_pci 0000:01:00.0: wmi print 'P 48/48 V 16 K 144 PH 176 T 186  msdu-desc: 2500  sw-crypt: 0 ct-sta: 0'
[   52.164139] ath10k_pci 0000:01:00.0: wmi print 'free: 84872 iram: 13412 sram: 11224'
[   52.550134] ath10k_pci 0000:01:00.0: Firmware lacks feature flag indicating a retry limit of > 2 is OK, requested limit: 4
[   52.557649] br-lan: port 3(wlan0) entered blocking state
[   52.560295] br-lan: port 3(wlan0) entered disabled state
[   52.566172] device wlan0 entered promiscuous mode
[   52.571247] br-lan: port 3(wlan0) entered blocking state
[   52.575456] br-lan: port 3(wlan0) entered forwarding state
[   52.591728] br-lan: port 3(wlan0) entered disabled state
[   52.592799] Alignment trap: not handling instruction f4410a1f at [<000847ec>]
[   52.596110] 8<--- cut here ---
[   52.603242] Unhandled fault: alignment exception (0x801) at 0x01bc62e4
[   52.606082] pgd = 86e3b05f
[   52.612661] [01bc62e4] *pgd=5bcc5835, *pte=5ce4875f, *ppte=5ce48c7f
[   52.638123] ath: EEPROM regdomain: 0x82d4
[   52.638142] ath: EEPROM indicates we should expect a country code
[   52.641103] ath: doing EEPROM country->regdmn map search
[   52.647182] ath: country maps to regdmn code: 0x37
[   52.652660] ath: Country alpha2 being used: ES
[   52.657164] ath: Regpair used: 0x37
[   52.661679] ath: regdomain 0x82d4 dynamically updated by user
[   52.665059] ath: EEPROM regdomain: 0x82d4
[   52.670969] ath: EEPROM indicates we should expect a country code
[   52.674873] ath: doing EEPROM country->regdmn map search
[   52.681023] ath: country maps to regdmn code: 0x37
[   52.686328] ath: Country alpha2 being used: ES
[   52.691008] ath: Regpair used: 0x37
[   52.695357] ath: regdomain 0x82d4 dynamically updated by user
[   57.763032] Alignment trap: not handling instruction f4410a1f at [<000847ec>]
[   57.763083] 8<--- cut here ---
[   57.769331] Unhandled fault: alignment exception (0x801) at 0x01149304
[   57.772119] pgd = 14e00733
[   57.778718] [01149304] *pgd=5d912835, *pte=5cc3c75f, *ppte=5cc3cc7f
[   61.286218] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
[   61.286646] br-lan: port 2(wlan1) entered blocking state
[   61.291784] br-lan: port 2(wlan1) entered forwarding state
[   62.892597] Alignment trap: not handling instruction f4410a1f at [<000847ec>]
[   62.892649] 8<--- cut here ---
[   62.898868] Unhandled fault: alignment exception (0x801) at 0x01f27384
[   62.901683] pgd = 6ad7711d
[   62.908316] [01f27384] *pgd=5bade835, *pte=5c95e75f, *ppte=5c95ec7f
[   63.282491] ath10k_pci 0001:01:00.0: Invalid peer id 0 or peer stats buffer, peer: a5e6e0b2  sta: 19341bd9
[   68.024534] Alignment trap: not handling instruction f4410a1f at [<000847ec>]
[   68.024581] 8<--- cut here ---
[   68.030891] Unhandled fault: alignment exception (0x801) at 0x01580384
[   68.033621] pgd = 9bca4f46
[   68.040260] [01580384] *pgd=5d7c2835, *pte=5cfa775f, *ppte=5cfa7c7f
[  111.787534] ath10k_pci 0001:01:00.0: Invalid VHT mcs 15 peer stats
[  115.687531] ath10k_pci 0000:01:00.0: mac flush null vif, drop 0 queues 0xffff
[  115.718101] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[  115.718254] br-lan: port 3(wlan0) entered blocking state
[  115.723523] br-lan: port 3(wlan0) entered forwarding state
[  200.884296] ath10k_pci 0001:01:00.0: htt tx: fixing invalid VHT TX rate code 0xff

The device appears to work normally, but it’s quite strange that only one of them is showing these exceptions...

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