Peter:

Edit the line in /boot/uEnv.txt

cmdline=coherent_pool=1M net.ifnames=0 quiet cape_universal=enable

to remove the work 'quiet'

--- Graham

==

On Monday, May 29, 2017 at 4:35:24 PM UTC-5, Peter Lawler wrote:
>
> Hi! 
> Just wondering if something's changed recently in the way the Serial 
> Debug Header operates? 
>
> I'm asking because I've grabbed the recent release, updated to stretch, 
> and OK yes sure added a couple of what I'd call 'basic' things in - 
> nothing too major - but now I don't get access via the Serial Debug 
> Header. All output looks normal on boot and I can't see anything in 
> particular standing out in the boot log, either. 
>
> It may well be that I'm missing sufficient amounts of coffee. But any 
> thoughts/comments appreciated at this stage. 
>
> Cheers, 
>
> Pete. 
>
>
> Output on Serial Debug: 
>
> U-Boot SPL 2017.03-00002-gd12b1519b4 (Mar 14 2017 - 10:28:26) 
> Trying to boot from MMC2 
>
>
> U-Boot 2017.03-00002-gd12b1519b4 (Mar 14 2017 - 10:28:26 -0500), Build: 
> jenkins-github_Bootloader-Builder-532 
>
> CPU  : AM335X-GP rev 2.1 
> I2C:   ready 
> DRAM:  512 MiB 
> Reset Source: Power-on reset has occurred. 
> MMC:   OMAP SD/MMC: 0, OMAP SD/MMC: 1 
> Using default environment 
>
> <ethaddr> not set. Validating first E-fuse MAC 
> BeagleBone Black: 
> BeagleBone: cape eeprom: i2c_probe: 0x54: 
> BeagleBone: cape eeprom: i2c_probe: 0x55: 
> BeagleBone: cape eeprom: i2c_probe: 0x56: 
> BeagleBone: cape eeprom: i2c_probe: 0x57: 
> Net:   eth0: MII MODE 
> cpsw 
> Press SPACE to abort autoboot in 2 seconds 
> board_name=[A335BNLT] ... 
> board_rev=[00A5] ... 
> switch to partitions #0, OK 
> mmc0 is current device 
> SD/MMC found on device 0 
> ** Bad device 0:2 0x82000000 ** 
> ** Bad device 0:2 0x82000000 ** 
> switch to partitions #0, OK 
> mmc0 is current device 
> Scanning mmc 0:1... 
> gpio: pin 56 (gpio 56) value is 0 
> gpio: pin 55 (gpio 55) value is 0 
> gpio: pin 54 (gpio 54) value is 0 
> gpio: pin 53 (gpio 53) value is 1 
> switch to partitions #0, OK 
> mmc0 is current device 
> gpio: pin 54 (gpio 54) value is 1 
> Checking for: /uEnv.txt ... 
> Checking for: /boot.scr ... 
> Checking for: /boot/boot.scr ... 
> Checking for: /boot/uEnv.txt ... 
> gpio: pin 55 (gpio 55) value is 1 
> 1972 bytes read in 42 ms (44.9 KiB/s) 
> Loaded environment from /boot/uEnv.txt 
> Checking if uname_r is set in /boot/uEnv.txt... 
> gpio: pin 56 (gpio 56) value is 1 
> Running uname_boot ... 
> loading /boot/vmlinuz-4.4.68-ti-r106 ... 
> 8608104 bytes read in 590 ms (13.9 MiB/s) 
> loading /boot/dtbs/4.4.68-ti-r106/am335x-boneblack.dtb ... 
> 56827 bytes read in 88 ms (629.9 KiB/s) 
> uboot_overlays: add [enable_uboot_overlays=1] to /boot/uEnv.txt to 
> enable... 
> loading /boot/initrd.img-4.4.68-ti-r106 ... 
> 5940425 bytes read in 424 ms (13.4 MiB/s) 
> debug: [console=ttyO0,115200n8 root=/dev/mmcblk0p1 ro rootfstype=ext4 
> rootwait coherent_pool=1M net.ifnames=0 quiet cape_universal=enable] ... 
> debug: [bootz 0x82000000 0x88080000:5aa4c9 0x88000000] ... 
> ## Flattened Device Tree blob at 88000000 
>     Booting using the fdt blob at 0x88000000 
>     Loading Ramdisk to 8fa55000, end 8ffff4c9 ... OK 
>     Loading Device Tree to 8fa44000, end 8fa54dfa ... OK 
>
> Starting kernel ... 
>
> [    0.001026] clocksource_probe: no matching clocksources found 
> [    2.109460] wkup_m3_ipc 44e11324.wkup_m3_ipc: could not get rproc 
> handle 
> [    2.291426] omap_voltage_late_init: Voltage driver support not added 
> [    2.299156] PM: Cannot get wkup_m3_ipc handle 
> rootfs: clean, 112476/959616 files, 663500/3888512 blocks 
>
> Debian GNU/Linux 9 beaglebone ttyS0 
> beaglebone login: 
>
> ------------------------------- 
>
> dmesg 
>
> [    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 4.4.68-ti-r106 (root@b1-omap5-uevm-2gb) 
> (gcc version 6.3.0 20170516 (Debian 6.3.0-18) ) #1 SMP Sat May 27 
> 15:52:44 UTC 2017 
> [    0.000000] CPU: ARMv7 Processor [413fc082] revision 2 (ARMv7), 
> cr=10c5387d 
> [    0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing 
> instruction cache 
> [    0.000000] Machine model: TI AM335x BeagleBone Black 
> [    0.000000] cma: Reserved 48 MiB at 0x9c800000 
> [    0.000000] Memory policy: Data cache writeback 
> [    0.000000] On node 0 totalpages: 130560 
> [    0.000000] free_area_init_node: node 0, pgdat c1059200, node_mem_map 
> df961000 
> [    0.000000]   Normal zone: 1152 pages used for memmap 
> [    0.000000]   Normal zone: 0 pages reserved 
> [    0.000000]   Normal zone: 130560 pages, LIFO batch:31 
> [    0.000000] CPU: All CPU(s) started in SVC mode. 
> [    0.000000] AM335X ES2.1 (sgx neon ) 
> [    0.000000] PERCPU: Embedded 13 pages/cpu @df920000 s24268 r8192 
> d20788 u53248 
> [    0.000000] pcpu-alloc: s24268 r8192 d20788 u53248 alloc=13*4096 
> [    0.000000] pcpu-alloc: [0] 0 
> [    0.000000] Built 1 zonelists in Zone order, mobility grouping on. 
> Total pages: 129408 
> [    0.000000] Kernel command line: console=ttyO0,115200n8 
> root=/dev/mmcblk0p1 ro rootfstype=ext4 rootwait coherent_pool=1M 
> net.ifnames=0 quiet cape_universal=enable 
> [    0.000000] PID hash table entries: 2048 (order: 1, 8192 bytes) 
> [    0.000000] Dentry cache hash table entries: 65536 (order: 6, 262144 
> bytes) 
> [    0.000000] Inode-cache hash table entries: 32768 (order: 5, 131072 
> bytes) 
> [    0.000000] Memory: 444100K/522240K available (11362K kernel code, 
> 917K rwdata, 3796K rodata, 736K init, 907K bss, 28988K reserved, 49152K 
> cma-reserved, 0K highmem) 
> [    0.000000] Virtual kernel memory layout: 
>                     vector  : 0xffff0000 - 0xffff1000   (   4 kB) 
>                     fixmap  : 0xffc00000 - 0xfff00000   (3072 kB) 
>                     vmalloc : 0xe0800000 - 0xff800000   ( 496 MB) 
>                     lowmem  : 0xc0000000 - 0xe0000000   ( 512 MB) 
>                     pkmap   : 0xbfe00000 - 0xc0000000   (   2 MB) 
>                     modules : 0xbf000000 - 0xbfe00000   (  14 MB) 
>                       .text : 0xc0008000 - 0xc0ed5e08   (15160 kB) 
>                       .init : 0xc0ed6000 - 0xc0f8e000   ( 736 kB) 
>                       .data : 0xc0f8e000 - 0xc10734e8   ( 918 kB) 
>                        .bss : 0xc1076000 - 0xc1158d10   ( 908 kB) 
> [    0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=1, Nodes=1 
> [    0.000000] Hierarchical RCU implementation. 
> [    0.000000]         Build-time adjustment of leaf fanout to 32. 
> [    0.000000]         RCU restricting CPUs from NR_CPUS=2 to 
> nr_cpu_ids=1. 
> [    0.000000] RCU: Adjusting geometry for rcu_fanout_leaf=32, 
> nr_cpu_ids=1 
> [    0.000000] NR_IRQS:16 nr_irqs:16 16 
> [    0.000000] IRQ: Found an INTC at 0xfa200000 (revision 5.0) with 128 
> interrupts 
> [    0.000000] OMAP clockevent source: timer2 at 24000000 Hz 
> [    0.000015] sched_clock: 32 bits at 24MHz, resolution 41ns, wraps 
> every 89478484971ns 
> [    0.000035] clocksource: timer1: mask: 0xffffffff max_cycles: 
> 0xffffffff, max_idle_ns: 79635851949 ns 
> [    0.000048] OMAP clocksource: timer1 at 24000000 Hz 
> [    0.001026] clocksource_probe: no matching clocksources found 
> [    0.001228] Console: colour dummy device 80x30 
> [    0.001259] WARNING: Your 'console=ttyO0' has been replaced by 'ttyS0' 
> [    0.001267] This ensures that you still see kernel messages. Please 
> [    0.001274] update your kernel commandline. 
> [    0.001294] Calibrating delay loop... 995.32 BogoMIPS (lpj=1990656) 
> [    0.046812] pid_max: default: 32768 minimum: 301 
> [    0.046963] Security Framework initialized 
> [    0.046976] Yama: becoming mindful. 
> [    0.047013] AppArmor: AppArmor disabled by boot time parameter 
> [    0.047186] Mount-cache hash table entries: 1024 (order: 0, 4096 bytes) 
> [    0.047198] Mountpoint-cache hash table entries: 1024 (order: 0, 4096 
> bytes) 
> [    0.048070] Initializing cgroup subsys io 
> [    0.048106] Initializing cgroup subsys memory 
> [    0.048153] Initializing cgroup subsys devices 
> [    0.048171] Initializing cgroup subsys freezer 
> [    0.048188] Initializing cgroup subsys net_cls 
> [    0.048202] Initializing cgroup subsys perf_event 
> [    0.048217] Initializing cgroup subsys net_prio 
> [    0.048241] Initializing cgroup subsys pids 
> [    0.048300] CPU: Testing write buffer coherency: ok 
> [    0.048361] ftrace: allocating 34469 entries in 102 pages 
> [    0.146019] CPU0: thread -1, cpu 0, socket -1, mpidr 0 
> [    0.146150] Setting up static identity map for 0x80008280 - 0x800082e0 
> [    0.150305] Brought up 1 CPUs 
> [    0.150330] SMP: Total of 1 processors activated (995.32 BogoMIPS). 
> [    0.150339] CPU: All CPU(s) started in SVC mode. 
> [    0.152069] devtmpfs: initialized 
> [    0.170126] VFP support v0.3: implementor 41 architecture 3 part 30 
> variant c rev 3 
> [    0.190157] omap_hwmod: debugss: _wait_target_disable failed 
> [    0.231485] clocksource: jiffies: mask: 0xffffffff max_cycles: 
> 0xffffffff, max_idle_ns: 7645041785100000 ns 
> [    0.231522] futex hash table entries: 256 (order: 2, 16384 bytes) 
> [    0.235643] xor: measuring software checksum speed 
> [    0.274812]    arm4regs  :  1219.000 MB/sec 
> [    0.314806]    8regs     :  1092.000 MB/sec 
> [    0.354806]    32regs    :  1089.000 MB/sec 
> [    0.394805]    neon      :  1747.000 MB/sec 
> [    0.394813] xor: using function: neon (1747.000 MB/sec) 
> [    0.394938] pinctrl core: initialized pinctrl subsystem 
> [    0.396972] NET: Registered protocol family 16 
> [    0.400698] DMA: preallocated 1024 KiB pool for atomic coherent 
> allocations 
> [    0.401942] cpuidle: using governor ladder 
> [    0.401960] cpuidle: using governor menu 
> [    0.407752] OMAP GPIO hardware version 0.1 
> [    0.420018] No ATAGs? 
> [    0.420055] hw-breakpoint: debug architecture 0x4 unsupported. 
> [    0.420576] omap4_sram_init:Unable to allocate sram needed to handle 
> errata I688 
> [    0.420594] omap4_sram_init:Unable to get sram pool needed to handle 
> errata I688 
> [    0.498880] raid6: int32x1  gen()   263 MB/s 
> [    0.566912] raid6: int32x1  xor()   223 MB/s 
> [    0.634930] raid6: int32x2  gen()   330 MB/s 
> [    0.702811] raid6: int32x2  xor()   283 MB/s 
> [    0.770812] raid6: int32x4  gen()   328 MB/s 
> [    0.838820] raid6: int32x4  xor()   267 MB/s 
> [    0.906902] raid6: int32x8  gen()   300 MB/s 
> [    0.974927] raid6: int32x8  xor()   231 MB/s 
> [    1.042825] raid6: neonx1   gen()  1453 MB/s 
> [    1.110819] raid6: neonx1   xor()   846 MB/s 
> [    1.178836] raid6: neonx2   gen()  1936 MB/s 
> [    1.246826] raid6: neonx2   xor()  1197 MB/s 
> [    1.314846] raid6: neonx4   gen()   989 MB/s 
> [    1.382804] raid6: neonx4   xor()   827 MB/s 
> [    1.450810] raid6: neonx8   gen()  1037 MB/s 
> [    1.518810] raid6: neonx8   xor()   757 MB/s 
> [    1.518818] raid6: using algorithm neonx2 gen() 1936 MB/s 
> [    1.518825] raid6: .... xor() 1197 MB/s, rmw enabled 
> [    1.518832] raid6: using intx1 recovery algorithm 
> [    1.528201] edma 49000000.edma: TI EDMA DMA engine driver 
> [    1.532930] SCSI subsystem initialized 
> [    1.533369] libata version 3.00 loaded. 
> [    1.533720] usbcore: registered new interface driver usbfs 
> [    1.533810] usbcore: registered new interface driver hub 
> [    1.533917] usbcore: registered new device driver usb 
> [    1.534521] omap_i2c 44e0b000.i2c: could not find pctldev for node 
> /ocp/l4_wkup@44c00000/scm@210000/pinmux@800/pinmux_i2c0_pins, deferring 
> probe 
> [    1.534577] omap_i2c 4819c000.i2c: could not find pctldev for node 
> /ocp/l4_wkup@44c00000/scm@210000/pinmux@800/pinmux_i2c2_pins, deferring 
> probe 
> [    1.534703] media: Linux media interface: v0.10 
> [    1.534764] Linux video capture interface: v2.00 
> [    1.534983] pps_core: LinuxPPS API ver. 1 registered 
> [    1.534991] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 
> Rodolfo Giometti <[email protected] <javascript:>> 
> [    1.535023] PTP clock support registered 
> [    1.535958] omap-mailbox 480c8000.mailbox: omap mailbox rev 0x400 
> [    1.537415] NetLabel: Initializing 
> [    1.537430] NetLabel:  domain hash size = 128 
> [    1.537436] NetLabel:  protocols = UNLABELED CIPSOv4 
> [    1.537500] NetLabel:  unlabeled traffic allowed by default 
> [    1.537916] clocksource: Switched to clocksource timer1 
> [    1.650267] NET: Registered protocol family 2 
> [    1.651115] TCP established hash table entries: 4096 (order: 2, 16384 
> bytes) 
> [    1.651167] TCP bind hash table entries: 4096 (order: 3, 32768 bytes) 
> [    1.651227] TCP: Hash tables configured (established 4096 bind 4096) 
> [    1.651304] UDP hash table entries: 256 (order: 1, 8192 bytes) 
> [    1.651326] UDP-Lite hash table entries: 256 (order: 1, 8192 bytes) 
> [    1.651655] NET: Registered protocol family 1 
> [    1.652271] RPC: Registered named UNIX socket transport module. 
> [    1.652285] RPC: Registered udp transport module. 
> [    1.652292] RPC: Registered tcp transport module. 
> [    1.652299] RPC: Registered tcp NFSv4.1 backchannel transport module. 
> [    1.652953] Unpacking initramfs... 
> [    2.078116] Freeing initrd memory: 5804K (cfa55000 - d0000000) 
> [    2.078874] hw perfevents: enabled with armv7_cortex_a8 PMU driver, 5 
> counters available 
> [    2.081627] audit: initializing netlink subsys (disabled) 
> [    2.081725] audit: type=2000 audit(2.012:1): initialized 
> [    2.092275] zbud: loaded 
> [    2.093031] VFS: Disk quotas dquot_6.6.0 
> [    2.093317] VFS: Dquot-cache hash table entries: 1024 (order 0, 4096 
> bytes) 
> [    2.096066] NFS: Registering the id_resolver key type 
> [    2.096145] Key type id_resolver registered 
> [    2.096155] Key type id_legacy registered 
> [    2.096185] nfs4filelayout_init: NFSv4 File Layout Driver 
> Registering... 
> [    2.096567] fuse init (API version 7.23) 
> [    2.097204] SGI XFS with ACLs, security attributes, realtime, no 
> debug enabled 
> [    2.105762] Block layer SCSI generic (bsg) driver version 0.4 loaded 
> (major 249) 
> [    2.106161] io scheduler noop registered 
> [    2.106180] io scheduler deadline registered 
> [    2.106255] io scheduler cfq registered (default) 
> [    2.107663] pinctrl-single 44e10800.pinmux: 142 pins at pa f9e10800 
> size 568 
> [    2.109460] wkup_m3_ipc 44e11324.wkup_m3_ipc: could not get rproc 
> handle 
> [    2.111193] Serial: 8250/16550 driver, 6 ports, IRQ sharing disabled 
> [    2.114540] 44e09000.serial: ttyS0 at MMIO 0x44e09000 (irq = 158, 
> base_baud = 3000000) is a 8250 
> [    2.127845] console [ttyS0] enabled 
> [    2.129400] [drm] Initialized drm 1.1.0 20060810 
> [    2.181974] davinci_mdio 4a101000.mdio: davinci mdio revision 1.6 
> [    2.182000] davinci_mdio 4a101000.mdio: detected phy mask fffffffe 
> [    2.182391] davinci_mdio: dt: updated phy_id[0] from phy_mask[fffffffe] 
> [    2.189520] libphy: 4a101000.mdio: probed 
> [    2.189556] davinci_mdio 4a101000.mdio: phy[0]: device 
> 4a101000.mdio:00, driver SMSC LAN8710/LAN8720 
> [    2.190497] cpsw 4a100000.ethernet: Detected MACID = d0:39:72:3b:d9:be 
> [    2.190641] cpsw 4a100000.ethernet: cpts: overflow check period 2125 
> [    2.192433] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver 
> [    2.192499] ehci-platform: EHCI generic platform driver 
> [    2.192687] ehci-omap: OMAP-EHCI Host Controller driver 
> [    2.193129] usbcore: registered new interface driver usb-storage 
> [    2.195502] 47401300.usb-phy supply vcc not found, using dummy 
> regulator 
> [    2.198266] musb-hdrc: ConfigData=0xde (UTMI-8, dyn FIFOs, bulk 
> combine, bulk split, HB-ISO Rx, HB-ISO Tx, SoftConn) 
> [    2.198286] musb-hdrc: MHDRC RTL version 2.0 
> [    2.198295] musb-hdrc: setup fifo_mode 4 
> [    2.198315] musb-hdrc: 28/31 max ep, 16384/16384 memory 
> [    2.199947] 47401b00.usb-phy supply vcc not found, using dummy 
> regulator 
> [    2.202513] musb-hdrc: ConfigData=0xde (UTMI-8, dyn FIFOs, bulk 
> combine, bulk split, HB-ISO Rx, HB-ISO Tx, SoftConn) 
> [    2.202531] musb-hdrc: MHDRC RTL version 2.0 
> [    2.202539] musb-hdrc: setup fifo_mode 4 
> [    2.202555] musb-hdrc: 28/31 max ep, 16384/16384 memory 
> [    2.202729] musb-hdrc musb-hdrc.1.auto: MUSB HDRC host driver 
> [    2.202767] musb-hdrc musb-hdrc.1.auto: new USB bus registered, 
> assigned bus number 1 
> [    2.203055] usb usb1: New USB device found, idVendor=1d6b, 
> idProduct=0002 
> [    2.203069] usb usb1: New USB device strings: Mfr=3, Product=2, 
> SerialNumber=1 
> [    2.203079] usb usb1: Product: MUSB HDRC host driver 
> [    2.203088] usb usb1: Manufacturer: Linux 4.4.68-ti-r106 musb-hcd 
> [    2.203097] usb usb1: SerialNumber: musb-hdrc.1.auto 
> [    2.203993] hub 1-0:1.0: USB hub found 
> [    2.204055] hub 1-0:1.0: 1 port detected 
> [    2.214084] mousedev: PS/2 mouse device common for all mice 
> [    2.216603] omap_rtc 44e3e000.rtc: rtc core: registered 44e3e000.rtc 
> as rtc0 
> [    2.217446] i2c /dev entries driver 
> [    2.219282] omap_wdt: OMAP Watchdog Timer Rev 0x01: initial timeout 
> 60 sec 
> [    2.219711] cpuidle: enable-method property 'ti,am3352' found 
> operations 
> [    2.220421] omap_hsmmc 48060000.mmc: Got CD GPIO 
> [    2.283565] hidraw: raw HID events driver (C) Jiri Kosina 
> [    2.284311] usbcore: registered new interface driver usbhid 
> [    2.284325] usbhid: USB HID core driver 
> [    2.284619] ashmem: initialized 
> [    2.285455]  remoteproc0: wkup_m3 is available 
> [    2.285471]  remoteproc0: Note: remoteproc is still under development 
> and considered experimental. 
> [    2.285479]  remoteproc0: THE BINARY FORMAT IS NOT YET FINALIZED, and 
> backward compatibility isn't yet guaranteed. 
> [    2.289052] NET: Registered protocol family 10 
> [    2.290931] mip6: Mobile IPv6 
> [    2.290962] NET: Registered protocol family 17 
> [    2.291110] Key type dns_resolver registered 
> [    2.291127] mpls_gso: MPLS GSO support 
> [    2.291426] omap_voltage_late_init: Voltage driver support not added 
> [    2.299156] PM: Cannot get wkup_m3_ipc handle 
> [    2.303997] ThumbEE CPU extension supported. 
> [    2.304035] Registering SWP/SWPB emulation handler 
> [    2.305095] registered taskstats version 1 
> [    2.305298] zswap: loaded using pool lzo/zbud 
> [    2.309824] Btrfs loaded 
> [    2.314022] mmc0: host does not support reading read-only switch, 
> assuming write-enable 
> [    2.315979] mmc0: new high speed SDHC card at address e624 
> [    2.322231] mmcblk0: mmc0:e624 SU16G 14.8 GiB 
> [    2.324053]  mmcblk0: p1 
> [    2.344476] Key type encrypted registered 
> [    2.347739] input: tps65217_pwr_but as 
> /devices/platform/ocp/44e0b000.i2c/i2c-0/0-0024/input/input0 
> [    2.367643] mmc1: MAN_BKOPS_EN bit is not set 
> [    2.372351] mmc1: new high speed MMC card at address 0001 
> [    2.373478] mmcblk1: mmc1:0001 MMC04G 3.60 GiB 
> [    2.373776] tps65217 0-0024: TPS65217 ID 0xe version 1.2 
> [    2.374463] at24 0-0050: 32768 byte 24c256 EEPROM, writable, 1 
> bytes/write 
> [    2.374723] omap_i2c 44e0b000.i2c: bus 0 rev0.11 at 400 kHz 
> [    2.376877] at24 2-0054: 32768 byte 24c256 EEPROM, writable, 1 
> bytes/write 
> [    2.377315] at24 2-0055: 32768 byte 24c256 EEPROM, writable, 1 
> bytes/write 
> [    2.377709] at24 2-0056: 32768 byte 24c256 EEPROM, writable, 1 
> bytes/write 
> [    2.378239] at24 2-0057: 32768 byte 24c256 EEPROM, writable, 1 
> bytes/write 
> [    2.378293] omap_i2c 4819c000.i2c: bus 2 rev0.11 at 100 kHz 
> [    2.379101] mmcblk1boot0: mmc1:0001 MMC04G partition 1 2.00 MiB 
> [    2.379889]  remoteproc0: powering up wkup_m3 
> [    2.379955]  remoteproc0: Booting fw image am335x-pm-firmware.elf, 
> size 217148 
> [    2.380222]  remoteproc0: remote processor wkup_m3 is now up 
> [    2.380245] wkup_m3_ipc 44e11324.wkup_m3_ipc: CM3 Firmware Version = 
> 0x192 
> [    2.380970] mmcblk1boot1: mmc1:0001 MMC04G partition 2 2.00 MiB 
> [    2.382466]  mmcblk1: p1 
> [    2.386092] bone_capemgr bone_capemgr: Baseboard: 
> 'A335BNLT,00A5,5002BBBK8600' 
> [    2.386133] bone_capemgr bone_capemgr: 
> compatible-baseboard=ti,beaglebone-black - #slots=4 
> [    2.425934] bone_capemgr bone_capemgr: slot #0: No cape found 
> [    2.465923] bone_capemgr bone_capemgr: slot #1: No cape found 
> [    2.505924] bone_capemgr bone_capemgr: slot #2: No cape found 
> [    2.545922] bone_capemgr bone_capemgr: slot #3: No cape found 
> [    2.546028] bone_capemgr bone_capemgr: initialized OK. 
> [    2.548168] PM: bootloader does not support rtc-only! 
> [    2.549187] omap_rtc 44e3e000.rtc: setting system clock to 2000-01-01 
> 00:00:00 UTC (946684800) 
> [    2.549216] of_cfs_init 
> [    2.549350] of_cfs_init: OK 
> [    2.555005] PM: Hibernation image not present or could not be loaded. 
> [    2.556439] Freeing unused kernel memory: 736K (c0ed6000 - c0f8e000) 
> [    2.691867] random: systemd-udevd: uninitialized urandom read (16 
> bytes read, 14 bits of entropy available) 
> [    2.692554] random: systemd-udevd: uninitialized urandom read (16 
> bytes read, 14 bits of entropy available) 
> [    2.692671] random: systemd-udevd: uninitialized urandom read (16 
> bytes read, 14 bits of entropy available) 
> [    2.711363] random: udevadm: uninitialized urandom read (16 bytes 
> read, 14 bits of entropy available) 
> [    2.711748] random: udevadm: uninitialized urandom read (16 bytes 
> read, 14 bits of entropy available) 
> [    2.711925] random: udevadm: uninitialized urandom read (16 bytes 
> read, 14 bits of entropy available) 
> [    2.712618] random: udevadm: uninitialized urandom read (16 bytes 
> read, 14 bits of entropy available) 
> [    2.713195] random: udevadm: uninitialized urandom read (16 bytes 
> read, 14 bits of entropy available) 
> [    2.713692] random: udevadm: uninitialized urandom read (16 bytes 
> read, 14 bits of entropy available) 
> [    2.714595] random: udevadm: uninitialized urandom read (16 bytes 
> read, 14 bits of entropy available) 
> [    3.945620] ti-pruss 4a300000.pruss: creating PRU cores and other 
> child platform devices 
> [    3.970267] irq: no irq domain found for 
> /ocp/pruss@4a300000/intc@4a320000 ! 
> [    3.971159] irq: no irq domain found for 
> /ocp/pruss@4a300000/intc@4a320000 ! 
> [    4.009459]  remoteproc1: 4a334000.pru0 is available 
> [    4.009485]  remoteproc1: Note: remoteproc is still under development 
> and considered experimental. 
> [    4.009494]  remoteproc1: THE BINARY FORMAT IS NOT YET FINALIZED, and 
> backward compatibility isn't yet guaranteed. 
> [    4.012325] pru-rproc 4a334000.pru0: booting the PRU core manually 
> [    4.012354]  remoteproc1: powering up 4a334000.pru0 
> [    4.012623]  remoteproc1: Booting fw image am335x-pru0-fw, size 36296 
> [    4.012694]  remoteproc1: remote processor 4a334000.pru0 is now up 
> [    4.012729] pru-rproc 4a334000.pru0: PRU rproc node 
> /ocp/pruss@4a300000/pru0@4a334000 probed successfully 
> [    4.026653]  remoteproc2: 4a338000.pru1 is available 
> [    4.026672]  remoteproc2: Note: remoteproc is still under development 
> and considered experimental. 
> [    4.026680]  remoteproc2: THE BINARY FORMAT IS NOT YET FINALIZED, and 
> backward compatibility isn't yet guaranteed. 
> [    4.030624] pru-rproc 4a338000.pru1: booting the PRU core manually 
> [    4.030656]  remoteproc2: powering up 4a338000.pru1 
> [    4.030941]  remoteproc2: Booting fw image am335x-pru1-fw, size 35384 
> [    4.031015]  remoteproc2: remote processor 4a338000.pru1 is now up 
> [    4.031049] pru-rproc 4a338000.pru1: PRU rproc node 
> /ocp/pruss@4a300000/pru1@4a338000 probed successfully 
> [    4.593895] EXT4-fs (mmcblk0p1): mounted filesystem with ordered data 
> mode. Opts: (null) 
> [    5.271150] systemd[1]: System time before build time, advancing clock. 
> [    5.380373] ip_tables: (C) 2000-2006 Netfilter Core Team 
> [    5.444177] systemd[1]: systemd 232 running in system mode. (+PAM 
> +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP 
> +GCRYPT +GNUTLS +ACL +XZ +LZ4 +SECCOMP +BLKID +ELFUTILS +KMOD +IDN) 
> [    5.444857] systemd[1]: Detected architecture arm. 
> [    5.447125] systemd[1]: Set hostname to <beaglebone>. 
> [    6.325398] systemd[1]: Listening on Journal Socket. 
> [    6.326742] systemd[1]: Listening on Journal Socket (/dev/log). 
> [    6.327315] systemd[1]: Started Dispatch Password Requests to Console 
> Directory Watch. 
> [    6.327764] systemd[1]: Started Forward Password Requests to Wall 
> Directory Watch. 
> [    6.328181] systemd[1]: Listening on /dev/initctl Compatibility Named 
> Pipe. 
> [    6.328528] systemd[1]: Listening on Syslog Socket. 
> [    6.330392] systemd[1]: Set up automount Arbitrary Executable File 
> Formats File System Automount Point. 
> [    6.330859] systemd[1]: Listening on udev Kernel Socket. 
> [    6.331068] systemd[1]: Reached target Encrypted Volumes. 
> [    6.332340] systemd[1]: Created slice System Slice. 
> [    6.333538] systemd[1]: Created slice system-getty.slice. 
> [    6.339068] systemd[1]: Starting Create list of required static 
> device nodes for the current kernel... 
> [    6.369052] systemd[1]: Starting Load Kernel Modules... 
> [    6.396261] systemd[1]: Listening on udev Control Socket. 
> [    6.417680] systemd[1]: Mounting POSIX Message Queue File System... 
> [    6.470369] systemd[1]: Reached target Remote File Systems. 
> [    6.508352] systemd[1]: Mounting /sys/kernel/debug... 
> [    6.533689] systemd[1]: Listening on Journal Audit Socket. 
> [    6.646881] systemd[1]: Starting Journal Service... 
> [    6.647236] systemd[1]: Reached target Paths. 
> [    6.648542] systemd[1]: Created slice User and Session Slice. 
> [    6.648828] systemd[1]: Reached target Slices. 
> [    6.715234] systemd[1]: Created slice system-serial\x2dgetty.slice. 
> [    6.715738] systemd[1]: Reached target Swap. 
> [    6.716169] systemd[1]: Listening on fsck to fsckd communication 
> Socket. 
> [    6.750791] systemd[1]: Starting Remount Root and Kernel File 
> Systems... 
> [    6.800368] systemd[1]: Starting Uncomplicated firewall... 
> [    6.953876] systemd[1]: Mounted POSIX Message Queue File System. 
> [    6.987273] systemd[1]: Mounted /sys/kernel/debug. 
> [    6.989330] systemd[1]: Started Create list of required static device 
> nodes for the current kernel. 
> [    7.012462] systemd[1]: Started Load Kernel Modules. 
> [    7.024685] EXT4-fs (mmcblk0p1): re-mounted. Opts: errors=remount-ro 
> [    7.040681] systemd[1]: Started Remount Root and Kernel File Systems. 
> [    7.059287] systemd[1]: Started Uncomplicated firewall. 
> [    7.125013] systemd[1]: Starting udev Coldplug all Devices... 
> [    7.148552] systemd[1]: Starting Load/Save Random Seed... 
> [    7.258243] systemd[1]: Mounting Configuration File System... 
> [    7.334795] systemd[1]: Mounting FUSE Control File System... 
> [    7.412609] systemd[1]: Starting Apply Kernel Variables... 
> [    7.614736] systemd[1]: Starting Create Static Device Nodes in /dev... 
> [    7.732042] systemd[1]: Mounted FUSE Control File System. 
> [    7.732449] systemd[1]: Mounted Configuration File System. 
> [    7.733275] systemd[1]: Started Journal Service. 
> [    8.591203] systemd-journald[199]: Received request to flush runtime 
> journal from PID 1 
> [   11.582053] random: nonblocking pool is initialized 
> [   14.593293] nf_conntrack version 0.5.0 (7809 buckets, 31236 max) 
> [   15.503329] using random self ethernet address 
> [   15.503359] using random host ethernet address 
> [   15.612457] using random self ethernet address 
> [   15.612487] using random host ethernet address 
> [   15.666744] net eth0: initializing cpsw version 1.12 (0) 
> [   15.666776] net eth0: initialized cpsw ale version 1.4 
> [   15.666787] net eth0: ALE Table size 1024 
> [   15.811063] net eth0: phy found : id is : 0x7c0f1 
> [   15.876945] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready 
> [   15.932717] Mass Storage Function, version: 2009/09/11 
> [   15.932751] LUN: removable file: (no medium) 
> [   16.302180] usb0: HOST MAC d0:39:72:3b:d9:bf 
> [   16.303720] usb0: MAC d0:39:72:3b:d9:c0 
> [   16.315427] usb1: HOST MAC d0:39:72:3b:d9:c2 
> [   16.315807] usb1: MAC d0:39:72:3b:d9:c3 
> [   18.015554] IPv6: ADDRCONF(NETDEV_UP): usb0: link is not ready 
> [   18.308196] Process accounting resumed 
> [   18.632550] IPv6: ADDRCONF(NETDEV_UP): usb1: link is not ready 
> [   19.842946] cpsw 4a100000.ethernet eth0: Link is Up - 100Mbps/Full - 
> flow control rx/tx 
> [   19.843038] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready 
> [   20.073708] 8021q: 802.1Q VLAN Support v1.8 
> [   20.073807] 8021q: adding VLAN 0 to HW filter on device eth0 
> [   32.839888] omap_rng 48310000.rng: OMAP Random Number Generator ver. 20 
> [   33.272297] tda998x 0-0070: found TDA19988 
> [   33.277478] tilcdc 4830e000.lcdc: bound 0-0070 (ops tda998x_ops 
> [tda998x]) 
> [   33.277518] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013). 
> [   33.277526] [drm] No driver support for vblank timestamp query. 
> [   33.295817] tilcdc 4830e000.lcdc: No connectors reported connected 
> with modes 
> [   33.295864] [drm] Cannot find any crtc or sizes - going 1024x768 
> [   34.206347] Console: switching to colour frame buffer device 128x48 
> [   34.626201] tilcdc 4830e000.lcdc: fb0:  frame buffer device 
> [   34.626251] [drm] Initialized tilcdc 1.0.0 20121205 on minor 0 
> [   37.368582] omap-sham 53100000.sham: hw accel on OMAP rev 4.3 
> [   37.506564] omap-aes 53500000.aes: OMAP AES hw accel rev: 3.2 
> [   38.154607] [drm] Initialized pvr 1.14.3699939 20110701 on minor 1 
> [   42.764748] bone_capemgr bone_capemgr: part_number 'cape-universal', 
> version 'N/A' 
> [   42.764792] bone_capemgr bone_capemgr: slot #4: override 
> [   42.764808] bone_capemgr bone_capemgr: Using override eeprom data at 
> slot 4 
> [   42.764826] bone_capemgr bone_capemgr: slot #4: 'Override Board 
> Name,00A0,Override Manuf,cape-universal' 
> [   43.371027] gpio-of-helper ocp:cape-universal: Allocated GPIO id=0 
> [   43.371273] gpio-of-helper ocp:cape-universal: Allocated GPIO id=1 
> [   43.371454] gpio-of-helper ocp:cape-universal: Allocated GPIO id=2 
> [   43.371624] gpio-of-helper ocp:cape-universal: Allocated GPIO id=3 
> [   43.371792] gpio-of-helper ocp:cape-universal: Allocated GPIO id=4 
> [   43.371952] gpio-of-helper ocp:cape-universal: Allocated GPIO id=5 
> [   43.372117] gpio-of-helper ocp:cape-universal: Allocated GPIO id=6 
> [   43.372280] gpio-of-helper ocp:cape-universal: Allocated GPIO id=7 
> [   43.372445] gpio-of-helper ocp:cape-universal: Allocated GPIO id=8 
> [   43.372614] gpio-of-helper ocp:cape-universal: Allocated GPIO id=9 
> [   43.394347] gpio-of-helper ocp:cape-universal: Allocated GPIO id=10 
> [   43.394589] gpio-of-helper ocp:cape-universal: Allocated GPIO id=11 
> [   43.394789] gpio-of-helper ocp:cape-universal: Allocated GPIO id=12 
> [   43.394961] gpio-of-helper ocp:cape-universal: Allocated GPIO id=13 
> [   43.395131] gpio-of-helper ocp:cape-universal: Allocated GPIO id=14 
> [   43.395297] gpio-of-helper ocp:cape-universal: Allocated GPIO id=15 
> [   43.395456] gpio-of-helper ocp:cape-universal: Allocated GPIO id=16 
> [   43.395625] gpio-of-helper ocp:cape-universal: Allocated GPIO id=17 
> [   43.395788] gpio-of-helper ocp:cape-universal: Allocated GPIO id=18 
> [   43.395949] gpio-of-helper ocp:cape-universal: Allocated GPIO id=19 
> [   43.396118] gpio-of-helper ocp:cape-universal: Allocated GPIO id=20 
> [   43.396372] gpio-of-helper ocp:cape-universal: Allocated GPIO id=21 
> [   43.396555] gpio-of-helper ocp:cape-universal: Allocated GPIO id=22 
> [   43.396726] gpio-of-helper ocp:cape-universal: Allocated GPIO id=23 
> [   43.396888] gpio-of-helper ocp:cape-universal: Allocated GPIO id=24 
> [   43.397054] gpio-of-helper ocp:cape-universal: Allocated GPIO id=25 
> [   43.397218] gpio-of-helper ocp:cape-universal: Allocated GPIO id=26 
> [   43.397379] gpio-of-helper ocp:cape-universal: Allocated GPIO id=27 
> [   43.397546] gpio-of-helper ocp:cape-universal: Allocated GPIO id=28 
> [   43.397710] gpio-of-helper ocp:cape-universal: Allocated GPIO id=29 
> [   43.397874] gpio-of-helper ocp:cape-universal: Allocated GPIO id=30 
> [   43.418470] gpio-of-helper ocp:cape-universal: Allocated GPIO id=31 
> [   43.418700] gpio-of-helper ocp:cape-universal: Allocated GPIO id=32 
> [   43.418714] gpio-of-helper ocp:cape-universal: ready 
> [   43.434371] 48022000.serial: ttyS1 at MMIO 0x48022000 (irq = 199, 
> base_baud = 3000000) is a 8250 
> [   43.454354] 48024000.serial: ttyS2 at MMIO 0x48024000 (irq = 200, 
> base_baud = 3000000) is a 8250 
> [   43.462577] asoc-simple-card sound: i2s-hifi <-> 48038000.mcasp 
> mapping ok 
> [   43.470552] 481a8000.serial: ttyS4 at MMIO 0x481a8000 (irq = 201, 
> base_baud = 3000000) is a 8250 
> [   43.495255] eqep 48300180.eqep: ver. 1.0 
> [   43.516204] eqep 48302180.eqep: ver. 1.0 
> [   43.559178] eqep 48304180.eqep: ver. 1.0 
> [   43.586428] omap_i2c 4802a000.i2c: bus 1 rev0.11 at 100 kHz 
> [   43.601089] bone_capemgr bone_capemgr: slot #4: dtbo 
> 'cape-universal-00A0.dtbo' loaded; overlay id #0 
> [   55.362249] CAN device driver interface 
> [   55.435910] c_can_platform 481cc000.can: c_can_platform device 
> registered (regs=fa1cc000, irq=210) 
> [   55.483194] c_can_platform 481d0000.can: c_can_platform device 
> registered (regs=fa1d0000, irq=211) 
>

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