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自制rk3399板子，启动异常
发表于 2018-1-31 09:34:31
浏览：6815
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回复：7
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参考firefly原理，自制rk3399板子。程序能下载进去，但是内核运行一半就卡死了，同样的程序在开发板上是好的。自制板子的电源测过也都正常的。哪位大侠碰到过这种问题。日志如下:
[ 0.000000] Booting Linux on physical CPU 0x0
[ 0.000000] Initializing cgroup subsys cpuset
[ 0.000000] Initializing cgroup subsys cpu
[ 0.000000] Initializing cgroup subsys cpuacct
[ 0.000000] Linux version 4.4.77 (root@selflag-Lenovo) (gcc version 4.9.x-google 20140827 (prerelease) (GCC) ) #3 SMP Tue Jan 30 13:44:12 CST 2018
[ 0.000000] Boot CPU: AArch64 Processor [410fd034]
[ 0.000000] Reserved memory: failed to reserve memory for node 'drm-logo@00000000': base 0x0000000000000000, size 0 MiB
[ 0.000000] psci: probing for conduit method from DT.
[ 0.000000] psci: PSCIv1.0 detected in firmware.
[ 0.000000] psci: Using standard PSCI v0.2 function IDs
[ 0.000000] psci: MIGRATE_INFO_TYPE not supported.
[ 0.000000] PERCPU: Embedded 21 pages/cpu @ffffffc07fefd000 s46336 r8192 d31488 u86016
[ 0.000000] Detected VIPT I-cache on CPU0
[ 0.000000] CPU features: enabling workaround for ARM erratum 845719
[ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 515592
[ 0.000000] Kernel command line: console=ttyFIQ0 root=/dev/mmcblk1p6 rw rootwait mtdparts=rk29xxnand:0x00002000@0x00002000(uboot),0x00002000@0x00004000(trust),0x00008000@0x00006000(resource),0x0000A000@0x0000E000(kernel),0x00002000@0x00018000(backup),-@0x0001A000(rootfs) storagemedia=emmc uboot_logo=0x02000000@0x7dc00000 loader.timestamp=2017-11-30_09:57:34
[ 0.000000] PID hash table entries: 4096 (order: 3, 32768 bytes)
[ 0.000000] Dentry cache hash table entries: 262144 (order: 9, 2097152 bytes)
[ 0.000000] Inode-cache hash table entries: 131072 (order: 8, 1048576 bytes)
[ 0.000000] software IO TLB [mem 0x79a00000-0x7da00000] (64MB) mapped at [ffffffc079a00000-ffffffc07d9fffff]
[ 0.000000] Memory: 1972620K/2095104K available (11966K kernel code, 1608K rwdata, 4004K rodata, 1152K init, 764K bss, 122484K reserved, 0K cma-reserved)
[ 0.000000] Virtual kernel memory layout:
[ 0.000000] modules : 0xffffff8000000000 - 0xffffff8008000000 ( 128 MB)
[ 0.000000] vmalloc : 0xffffff8008000000 - 0xffffffbdbfff0000 ( 246 GB)
[ 0.000000] .init : 0xffffff8009020000 - 0xffffff8009140000 ( 1152 KB)
[ 0.000000] .text : 0xffffff8008080000 - 0xffffff8008c30000 ( 11968 KB)
[ 0.000000] .rodata : 0xffffff8008c30000 - 0xffffff8009020000 ( 4032 KB)
[ 0.000000] .data : 0xffffff8009140000 - 0xffffff80092d2008 ( 1609 KB)
[ 0.000000] vmemmap : 0xffffffbdc0000000 - 0xffffffbfc0000000 ( 8 GB maximum)
[ 0.000000] 0xffffffbdc0008000 - 0xffffffbdc2000000 ( 31 MB actual)
[ 0.000000] fixed : 0xffffffbffe7fd000 - 0xffffffbffec00000 ( 4108 KB)
[ 0.000000] PCI I/O : 0xffffffbffee00000 - 0xffffffbfffe00000 ( 16 MB)
[ 0.000000] memory : 0xffffffc000200000 - 0xffffffc080000000 ( 2046 MB)
[ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=6, Nodes=1
[ 0.000000] Hierarchical RCU implementation.
[ 0.000000] Build-time adjustment of leaf fanout to 64.
[ 0.000000] RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=6.
[ 0.000000] RCU: Adjusting geometry for rcu_fanout_leaf=64, nr_cpu_ids=6
[ 0.000000] NR_IRQS:64 nr_irqs:64 0
[ 0.000000] GIC: Using split EOI/Deactivate mode
[ 0.000000] ITS: /interrupt-controller@fee00000/interrupt-controller@fee20000
[ 0.000000] ITS: allocated 65536 Devices @79480000 (psz 64K, shr 0)
[ 0.000000] ITS: using cache flushing for cmd queue
[ 0.000000] GIC: using LPI property table @0x0000000079410000
[ 0.000000] ITS: Allocated 1792 chunks for LPIs
[ 0.000000] CPU0: found redistributor 0 region 0:0x00000000fef00000
[ 0.000000] CPU0: using LPI pending table @0x0000000079420000
[ 0.000000] GIC: using cache flushing for LPI property table
[ 0.000000] GIC: PPI partition interrupt-partition-0[0] { /cpus/cpu@0[0] /cpus/cpu@1[1] /cpus/cpu@2[2] /cpus/cpu@3[3] }
[ 0.000000] GIC: PPI partition interrupt-partition-1[1] { /cpus/cpu@100[4] /cpus/cpu@101[5] }
[ 0.000000] rockchip_clk_register_frac_branch: could not find dclk_vop0_frac as parent of dclk_vop0, rate changes may not work
[ 0.000000] rockchip_clk_register_frac_branch: could not find dclk_vop1_frac as parent of dclk_vop1, rate changes may not work
[ 0.000000] Architected cp15 timer(s) running at 24.00MHz (phys).
[ 0.000000] clocksource: arch_sys_counter: mask: 0xffffffffffffff max_cycles: 0x588fe9dc0, max_idle_ns: 440795202592 ns
[ 0.000005] sched_clock: 56 bits at 24MHz, resolution 41ns, wraps every 4398046511097ns
[ 0.001200] Console: colour dummy device 80x25
[ 0.001225] Calibrating delay loop (skipped), value calculated using timer frequency.. 48.00 BogoMIPS (lpj=24000)
[ 0.001238] pid_max: default: 32768 minimum: 301
[ 0.001334] Security Framework initialized
[ 0.001344] Yama: becoming mindful.
[ 0.001429] Mount-cache hash table entries: 4096 (order: 3, 32768 bytes)
[ 0.001440] Mountpoint-cache hash table entries: 4096 (order: 3, 32768 bytes)
[ 0.002216] Initializing cgroup subsys devices
[ 0.002235] Initializing cgroup subsys freezer
[ 0.002263] ftrace: allocating 43042 entries in 169 pages
[ 0.118521] sched-energy: Sched-energy-costs installed from DT
[ 0.118540] CPU0: update cpu_capacity 401
[ 0.118604] ASID allocator initialised with 65536 entries
[ 0.121746] PCI/MSI: /interrupt-controller@fee00000/interrupt-controller@fee20000 domain created
[ 0.122197] Platform MSI: /interrupt-controller@fee00000/interrupt-controller@fee20000 domain created
[ 0.123461] Detected VIPT I-cache on CPU1
[ 0.123493] CPU1: found redistributor 1 region 0:0x00000000fef20000
[ 0.123528] CPU1: using LPI pending table @0x0000000079690000
[ 0.123576] CPU1: update cpu_capacity 401
[ 0.123580] CPU1: Booted secondary processor [410fd034]
[ 0.124132] Detected VIPT I-cache on CPU2
[ 0.124152] CPU2: found redistributor 2 region 0:0x00000000fef40000
[ 0.124186] CPU2: using LPI pending table @0x00000000796c0000
[ 0.124215] CPU2: update cpu_capacity 401
[ 0.124218] CPU2: Booted secondary processor [410fd034]
[ 1.130408] CPU3: failed to come online
[ 1.130448] CPU3: failed in unknown state : 0x0
[ 1.130930] Detected PIPT I-cache on CPU4
[ 1.130960] CPU4: found redistributor 100 region 0:0x00000000fef80000
[ 1.130996] CPU4: using LPI pending table @0x0000000079740000
[ 1.131039] CPU4: update cpu_capacity 1024
[ 1.131042] CPU4: Booted secondary processor [410fd082]
[ 1.131608] Detected PIPT I-cache on CPU5
[ 1.131627] CPU5: found redistributor 101 region 0:0x00000000fefa0000
[ 1.131660] CPU5: using LPI pending table @0x0000000079770000
[ 1.131687] CPU5: update cpu_capacity 1024
[ 1.131691] CPU5: Booted secondary processor [410fd082]
[ 1.131781] Brought up 5 CPUs
[ 1.131819] SMP: Total of 5 processors activated.
[ 1.131828] CPU features: detected feature: GIC system register CPU interface
[ 1.131841] CPU: All CPU(s) started at EL2
[ 1.131885] alternatives: patching kernel code
[ 1.133120] devtmpfs: initialized
[ 1.154288] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns
[ 1.154321] futex hash table entries: 2048 (order: 5, 131072 bytes)
[ 1.154871] pinctrl core: initialized pinctrl subsystem
[ 1.155996] NET: Registered protocol family 16
[ 1.165193] cpuidle: using governor ladder
[ 1.177252] cpuidle: using governor menu
[ 1.177278] Registered FIQ tty driver
[ 1.177675] vdso: 2 pages (1 code @ ffffff8008c36000, 1 data @ ffffff8009144000)
[ 1.177705] hw-breakpoint: found 6 breakpoint and 4 watchpoint registers.
[ 1.177897] DMA: preallocated 256 KiB pool for atomic allocations
[ 1.896445] console [ttyFIQ0] enabled
[ 1.900400] Registered fiq debugger ttyFIQ0
[ 1.934527] iommu: Adding device ff650000.vpu_service to group 0
[ 1.940616] iommu: Adding device ff660000.rkvdec to group 1
[ 1.946292] iommu: Adding device ff8f0000.vop to group 2
[ 1.951679] iommu: Adding device ff900000.vop to group 3
[ 1.958287] SCSI subsystem initialized
[ 1.962220] usbcore: registered new interface driver usbfs
[ 1.967807] usbcore: registered new interface driver hub
[ 1.973248] usbcore: registered new device driver usb
[ 1.978414] media: Linux media interface: v0.10
[ 1.982988] Linux video capture interface: v2.00
[ 1.987657] pps_core: LinuxPPS API ver. 1 registered
[ 1.992631] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>
[ 2.001775] PTP clock support registered
[ 2.006694] Advanced Linux Sound Architecture Driver Initialized.
[ 2.013364] Bluetooth: Core ver 2.21
[ 2.016973] NET: Registered protocol family 31
[ 2.021416] Bluetooth: HCI device and connection manager initialized
[ 2.027773] Bluetooth: HCI socket layer initialized
[ 2.032654] Bluetooth: L2CAP socket layer initialized
[ 2.037730] Bluetooth: SCO socket layer initialized
[ 2.043223] rockchip-cpuinfo cpuinfo: Serial : 1cc3d01d916c8df9
[ 2.049727] clocksource: Switched to clocksource arch_sys_counter
[ 2.105888] thermal thermal_zone1: power_allocator: sustainable_power will be estimated
[ 2.114116] NET: Registered protocol family 2
[ 2.118929] TCP established hash table entries: 16384 (order: 5, 131072 bytes)
[ 2.126251] TCP bind hash table entries: 16384 (order: 7, 524288 bytes)
[ 2.133136] TCP: Hash tables configured (established 16384 bind 16384)
[ 2.139754] UDP hash table entries: 1024 (order: 4, 98304 bytes)
[ 2.145850] UDP-Lite hash table entries: 1024 (order: 4, 98304 bytes)
[ 2.152557] NET: Registered protocol family 1
[ 2.157224] RPC: Registered named UNIX socket transport module.
[ 2.163156] RPC: Registered udp transport module.
[ 2.167867] RPC: Registered tcp transport module.
[ 2.172579] RPC: Registered tcp NFSv4.1 backchannel transport module.
[ 2.179622] hw perfevents: enabled with armv8_cortex_a53 PMU driver, 7 counters available
[ 2.187903] hw perfevents: enabled with armv8_cortex_a72 PMU driver, 7 counters available
[ 2.199161] Initialise system trusted keyring
[ 2.211672] squashfs: version 4.0 (2009/01/31) Phillip Lougher
[ 2.219254] NFS: Registering the id_resolver key type
[ 2.224348] Key type id_resolver registered
[ 2.228541] Key type id_legacy registered
[ 2.232576] Installing knfsd (copyright (C) 1996 okir@monad.swb.de).
[ 2.239654] fuse init (API version 7.23)
[ 2.244072] SGI XFS with security attributes, no debug enabled
[ 2.254395] NET: Registered protocol family 38
[ 2.258861] Key type asymmetric registered
[ 2.262971] Asymmetric key parser 'x509' registered
[ 2.268016] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 247)
[ 2.275416] io scheduler noop registered
[ 2.279345] io scheduler deadline registered
[ 2.283752] io scheduler cfq registered (default)
[ 2.289094] platform ff770000.syscon:usb2-phy@e450: Driver rockchip-usb2phy requests probe deferral
[ 2.298860] rockchip-usb2phy ff770000.syscon:usb2-phy@e460: vbus_drv is not assigned
[ 2.308549] platform ff7c0000.phy: Driver rockchip-typec-phy requests probe deferral
[ 2.319112] rockchip-pcie f8000000.pcie: no vpcie3v3 regulator found
[ 2.325491] rockchip-pcie f8000000.pcie: no vpcie1v8 regulator found
[ 2.331869] rockchip-pcie f8000000.pcie: no vpcie0v9 regulator found
[ 2.879766] rockchip-pcie f8000000.pcie: PCIe link training gen1 timeout!
[ 2.886609] rockchip-pcie: probe of f8000000.pcie failed with error -110
[ 2.894087] rk-vcodec ff650000.vpu_service: probe device
[ 2.899445] rk-vcodec ff650000.vpu_service: vpu mmu dec ffffffc078d95810
[ 2.906315] rk-vcodec ff650000.vpu_service: allocator is drm
[ 2.912031] rk-vcodec ff650000.vpu_service: checking hw id 0
[ 2.918162] rk-vcodec ff650000.vpu_service: init success
[ 2.924104] rk-vcodec ff660000.rkvdec: probe device
[ 2.929028] rk-vcodec ff660000.rkvdec: vpu mmu dec ffffffc078d96010
[ 2.935432] rk-vcodec ff660000.rkvdec: allocator is drm
[ 2.940728] rk-vcodec ff660000.rkvdec: checking hw id 6876
[ 2.946515] rk-vcodec ff660000.rkvdec: init success
[ 2.952764] dma-pl330 ff6d0000.dma-controller: Loaded driver for PL330 DMAC-241330
[ 2.960343] dma-pl330 ff6d0000.dma-controller: DBUFF-32x8bytes Num_Chans-6 Num_Peri-12 Num_Events-12
[ 2.971053] dma-pl330 ff6e0000.dma-controller: Loaded driver for PL330 DMAC-241330
[ 2.978633] dma-pl330 ff6e0000.dma-controller: DBUFF-128x8bytes Num_Chans-8 Num_Peri-20 Num_Events-16
[ 2.988956] Serial: 8250/16550 driver, 4 ports, IRQ sharing disabled
[ 2.996945] ff180000.serial: ttyS0 at MMIO 0xff180000 (irq = 36, base_baud = 1500000) is a 16550A
[ 3.006452] ff1a0000.serial: ttyS2 at MMIO 0xff1a0000 (irq = 37, base_baud = 1500000) is a 16550A
[ 3.015993] ff370000.serial: ttyS1 at MMIO 0xff370000 (irq = 39, base_baud = 1500000) is a 16550A
[ 3.025828] [drm:drm_core_init] Initialized drm 1.1.0 20060810
[ 3.034741] rockchip-drm display-subsystem: bound ff900000.vop (ops 0xffffff8008cd16e0)
[ 3.042966] rockchip-drm display-subsystem: bound ff8f0000.vop (ops 0xffffff8008cd16e0)
[ 3.051236] i2c i2c-9: of_i2c: modalias failure on /hdmi@ff940000/ports
[ 3.057872] dwhdmi-rockchip ff940000.hdmi: registered DesignWare HDMI I2C bus driver
[ 3.065677] dwhdmi-rockchip ff940000.hdmi: Detected HDMI TX controller v2.11a with HDCP (DWC HDMI 2.0 TX PHY)
[ 3.076125] rockchip-drm display-subsystem: bound ff940000.hdmi (ops 0xffffff8008ccc660)
[ 3.084232] [drm:drm_vblank_init] Supports vblank timestamp caching Rev 2 (21.10.2013).
[ 3.092246] [drm:drm_vblank_init] No driver support for vblank timestamp query.
[ 3.099643] rockchip-drm display-subsystem: failed to parse loader memory
[ 3.106451] rockchip-drm display-subsystem: No connectors reported connected with modes
[ 3.114494] [drm:drm_fb_helper_single_fb_probe] Cannot find any crtc or sizes - going 1024x768
[ 3.134520] Console: switching to colour frame buffer device 128x48
[ 3.147772] rockchip-drm display-subsystem: fb0: frame buffer device
[ 3.164346] mali ff9a0000.gpu: Failed to get regulator
[ 3.169500] mali ff9a0000.gpu: Power control initialization failed
[ 3.175779] platform ff9a0000.gpu: Driver mali requests probe deferral
[ 3.182526] Unable to detect cache hierarchy from DT for CPU 0
[ 3.189129] brd: module loaded
[ 3.197342] loop: module loaded
[ 3.201075] zram: Added device: zram0
[ 3.205025] lkdtm: No crash points registered, enable through debugfs
[ 3.212234] register spi return v = :0
[ 3.216020] tun: Universal TUN/TAP device driver, 1.6
[ 3.221079] tun: (C) 1999-2004 Max Krasnyansky <maxk@qualcomm.com>
[ 3.228560] rk_gmac-dwmac fe300000.ethernet: clock input or output? (input).
[ 3.235622] rk_gmac-dwmac fe300000.ethernet: TX delay(0x28).
[ 3.241287] rk_gmac-dwmac fe300000.ethernet: RX delay(0x1b).
[ 3.247128] rk_gmac-dwmac fe300000.ethernet: clock input from PHY
[ 3.253227] rk_gmac-dwmac fe300000.ethernet: init for RGMII
[ 3.263879] stmmac - user ID: 0x10, Synopsys ID: 0x35
[ 3.268939] Ring mode enabled
[ 3.272004] DMA HW capability register supported
[ 3.276540] Normal descriptors
[ 3.279888] RX Checksum Offload Engine supported (type 2)
[ 3.285378] TX Checksum insertion supported
[ 3.289649] Wake-Up On Lan supported
[ 3.293353] Enable RX Mitigation via HW Watchdog Timer
[ 3.361746] libphy: stmmac: probed
[ 3.365160] eth%d: PHY ID 001cc915 at 0 IRQ POLL (stmmac-0:00) active
[ 3.371599] eth%d: PHY ID 001cc915 at 1 IRQ POLL (stmmac-0:01)
[ 3.378405] PPP generic driver version 2.4.2
[ 3.382942] usbcore: registered new interface driver rndis_wlan
[ 3.389073] Rockchip WiFi SYS interface (V1.00) ...
[ 3.394086] pegasus: v0.9.3 (2013/04/25), Pegasus/Pegasus II USB Ethernet driver
[ 3.401517] usbcore: registered new interface driver pegasus
[ 3.407222] usbcore: registered new interface driver rtl8150
[ 3.412924] usbcore: registered new interface driver r8152
[ 3.418463] usbcore: registered new interface driver asix
[ 3.423899] usbcore: registered new interface driver ax88179_178a
[ 3.430037] usbcore: registered new interface driver cdc_ether
[ 3.435910] usbcore: registered new interface driver dm9601
[ 3.441538] usbcore: registered new interface driver smsc75xx
[ 3.447335] usbcore: registered new interface driver smsc95xx
[ 3.453123] usbcore: registered new interface driver net1080
[ 3.458826] usbcore: registered new interface driver rndis_host
[ 3.464782] usbcore: registered new interface driver MOSCHIP usb-ethernet driver
[ 3.472241] usbcore: registered new interface driver cdc_ncm
[ 3.477943] usbcore: registered new interface driver qmi_wwan
[ 3.483737] usbcore: registered new interface driver cdc_mbim
[ 3.490672] platform fe800000.dwc3: Driver dwc3 requests probe deferral
[ 3.497353] rockchip-dwc3 usb@fe800000: failed to get drvdata dwc3
[ 3.503687] platform usb@fe800000: Driver rockchip-dwc3 requests probe deferral
[ 3.516489] rockchip-dwc3 usb@fe900000: fail to get drvdata hcd
[ 3.522690] platform usb@fe900000: Driver rockchip-dwc3 requests probe deferral
[ 3.530791] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
[ 3.537354] ehci-pci: EHCI PCI platform driver
[ 3.541858] ehci-platform: EHCI generic platform driver
[ 3.547341] platform fe380000.usb: Driver ehci-platform requests probe deferral
[ 3.558267] ehci-platform fe3c0000.usb: EHCI Host Controller
[ 3.564103] ehci-platform fe3c0000.usb: new USB bus registered, assigned bus number 1
[ 3.572040] ehci-platform fe3c0000.usb: irq 30, io mem 0xfe3c0000
[ 3.583745] ehci-platform fe3c0000.usb: USB 2.0 started, EHCI 1.00
[ 3.590083] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002
[ 3.596877] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 3.604101] usb usb1: Product: EHCI Host Controller
[ 3.608981] usb usb1: Manufacturer: Linux 4.4.77 ehci_hcd
[ 3.614379] usb usb1: SerialNumber: fe3c0000.usb
[ 3.619481] hub 1-0:1.0: USB hub found
[ 3.623267] hub 1-0:1.0: 1 port detected
[ 3.627690] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
[ 3.633909] ohci-platform: OHCI generic platform driver
[ 3.639387] platform fe3a0000.usb: Driver ohci-platform requests probe deferral
[ 3.646948] ohci-platform fe3e0000.usb: Generic Platform OHCI controller
[ 3.653839] ohci-platform fe3e0000.usb: new USB bus registered, assigned bus number 2
[ 3.661763] ohci-platform fe3e0000.usb: irq 31, io mem 0xfe3e0000
[ 3.722878] usb usb2: New USB device found, idVendor=1d6b, idProduct=0001
[ 3.729681] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 3.736922] usb usb2: Product: Generic Platform OHCI controller
[ 3.736926] usb usb2: Manufacturer: Linux 4.4.77 ohci_hcd
[ 3.736934] usb usb2: SerialNumber: fe3e0000.usb
[ 3.737399] hub 2-0:1.0: USB hub found
[ 3.737423] hub 2-0:1.0: 1 port detected
[ 3.738231] usbcore: registered new interface driver cdc_acm
[ 3.738234] cdc_acm: USB Abstract Control Model driver for USB modems and ISDN adapters
[ 3.738272] usbcore: registered new interface driver cdc_wdm
[ 3.738312] usbcore: registered new interface driver uas
[ 3.738384] usbcore: registered new interface driver usb-storage
[ 3.738460] usbcore: registered new interface driver usbserial
[ 3.738490] usbcore: registered new interface driver usbserial_generic
[ 3.738514] usbserial: USB Serial support registered for generic
[ 3.738550] usbcore: registered new interface driver cp210x
[ 3.738574] usbserial: USB Serial support registered for cp210x
[ 3.738619] usbcore: registered new interface driver ftdi_sio
[ 3.738641] usbserial: USB Serial support registered for FTDI USB Serial Device
[ 3.738737] usbcore: registered new interface driver keyspan
[ 3.738764] usbserial: USB Serial support registered for Keyspan - (without firmware)
[ 3.738786] usbserial: USB Serial support registered for Keyspan 1 port adapter
[ 3.738808] usbserial: USB Serial support registered for Keyspan 2 port adapter
[ 3.738829] usbserial: USB Serial support registered for Keyspan 4 port adapter
[ 3.738868] usbcore: registered new interface driver option
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