Linux/AM3357: Critical message in kernel boot

The log line in question occurs at 0.000173 below.

[    0.000000] Booting Linux on physical CPU 0x0
[    0.000000] Linux version 4.14.40-rt29 (ubuntu@ip-10-0-0-220) (gcc version 7.3.0 (Buildroot 2018.02.3-00146-ge4914f8)) #1 PREEMPT RT Thu Sep 6 05:57:32 UTC 2018
[    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] OF: fdt: Machine model: XXX
[    0.000000] Memory policy: Data cache writeback
[    0.000000] cma: Reserved 64 MiB at 0x9c000000
[    0.000000] CPU: All CPU(s) started in SVC mode.
[    0.000000] AM335X ES2.1 (neon)
[    0.000000] Built 1 zonelists, mobility grouping on.  Total pages: 129920
[    0.000000] Kernel command line: console=ttyO0,115200n8 fsck.repair=yes loglevel=7 root=PARTUUID=0000b5f0-07 rootwait elevator=noop
[    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: 442516K/524288K available (7168K kernel code, 317K rwdata, 1548K rodata, 1024K init, 325K bss, 16236K reserved, 65536K cma-reserved, 0K highmem)
[    0.000000] Virtual kernel memory layout:
[    0.000000]     vector  : 0xffff0000 - 0xffff1000   (   4 kB)
[    0.000000]     fixmap  : 0xffc00000 - 0xfff00000   (3072 kB)
[    0.000000]     vmalloc : 0xe0800000 - 0xff800000   ( 496 MB)
[    0.000000]     lowmem  : 0xc0000000 - 0xe0000000   ( 512 MB)
[    0.000000]     pkmap   : 0xbfe00000 - 0xc0000000   (   2 MB)
[    0.000000]     modules : 0xbf000000 - 0xbfe00000   (  14 MB)
[    0.000000]       .text : 0xc0008000 - 0xc0800000   (8160 kB)
[    0.000000]       .init : 0xc0a00000 - 0xc0b00000   (1024 kB)
[    0.000000]       .data : 0xc0b00000 - 0xc0b4f7c0   ( 318 kB)
[    0.000000]        .bss : 0xc0b4f7c0 - 0xc0ba0c04   ( 326 kB)
[    0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
[    0.000000] Preemptible hierarchical RCU implementation.
[    0.000000]     No expedited grace period (rcu_normal_after_boot).
[    0.000000]     Tasks RCU enabled.
[    0.000000] NR_IRQS: 16, nr_irqs: 16, preallocated irqs: 16
[    0.000000] IRQ: Found an INTC at 0xfa200000 (revision 5.0) with 128 interrupts
[    0.000000] OMAP clockevent source: timer2 at 24000000 Hz
[    0.000014] sched_clock: 32 bits at 24MHz, resolution 41ns, wraps every 89478484971ns
[    0.000026] clocksource: timer1: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 79635851949 ns
[    0.000032] OMAP clocksource: timer1 at 24000000 Hz
[    0.000173] timer_probe: no matching timers found
[    0.000386] Console: colour dummy device 80x30
[    0.000517] Calibrating delay loop... 996.14 BogoMIPS (lpj=4980736)
[    0.089184] pid_max: default: 32768 minimum: 301
[    0.089336] Security Framework initialized
[    0.089393] Mount-cache hash table entries: 1024 (order: 0, 4096 bytes)
[    0.089401] Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes)
[    0.090230] CPU: Testing write buffer coherency: ok
[    0.090980] Setting up static identity map for 0x80100000 - 0x80100060
[    0.091211] Hierarchical SRCU implementation.
[    0.093066] devtmpfs: initialized
[    0.101570] random: get_random_u32 called from bucket_table_alloc+0x17c/0x238 with crng_init=0
[    0.102120] VFP support v0.3: implementor 41 architecture 3 part 30 variant c rev 3
[    0.102466] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
[    0.102495] futex hash table entries: 256 (order: 1, 8192 bytes)
[    0.107113] pinctrl core: initialized pinctrl subsystem
[    0.108342] NET: Registered protocol family 16
[    0.110205] DMA: preallocated 256 KiB pool for atomic coherent allocations
[    0.124939] omap_hwmod: debugss: _wait_target_disable failed
[    0.182779] OMAP GPIO hardware version 0.1
[    0.192788] No ATAGs?
[    0.192805] hw-breakpoint: debug architecture 0x4 unsupported.
[    0.207489] edma 49000000.edma: TI EDMA DMA engine driver
[    0.210685] usbcore: registered new interface driver usbfs
[    0.210751] usbcore: registered new interface driver hub
[    0.210906] usbcore: registered new device driver usb
[    0.211184] omap_i2c 44e0b000.i2c: could not find pctldev for node /ocp/l4_wkup@44c00000/scm@210000/pinmux@800/pinmux_i2c0_pins, deferring probe
[    0.211335] pps_core: LinuxPPS API ver. 1 registered
[    0.211344] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>
[    0.211366] PTP clock support registered
[    0.212032] Bluetooth: Core ver 2.22
[    0.212095] NET: Registered protocol family 31
[    0.212104] Bluetooth: HCI device and connection manager initialized
[    0.212125] Bluetooth: HCI socket layer initialized
[    0.212139] Bluetooth: L2CAP socket layer initialized
[    0.212182] Bluetooth: SCO socket layer initialized
[    0.213256] clocksource: Switched to clocksource timer1
[    0.213449] VFS: Disk quotas dquot_6.6.0
[    0.213516] VFS: Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
[    0.222570] NET: Registered protocol family 2
[    0.223565] TCP established hash table entries: 4096 (order: 2, 16384 bytes)
[    0.223633] TCP bind hash table entries: 4096 (order: 4, 98304 bytes)
[    0.223789] TCP: Hash tables configured (established 4096 bind 4096)
[    0.223910] UDP hash table entries: 256 (order: 2, 16384 bytes)
[    0.223945] UDP-Lite hash table entries: 256 (order: 2, 16384 bytes)
[    0.224154] NET: Registered protocol family 1
[    0.224652] RPC: Registered named UNIX socket transport module.
[    0.224666] RPC: Registered udp transport module.
[    0.224673] RPC: Registered tcp transport module.
[    0.224680] RPC: Registered tcp NFSv4.1 backchannel transport module.
[    0.225934] hw perfevents: no interrupt-affinity property for /pmu, guessing.
[    0.226055] hw perfevents: enabled with armv7_cortex_a8 PMU driver, 5 counters available
[    0.227596] workingset: timestamp_bits=14 max_order=17 bucket_order=3
[    0.235949] NFS: Registering the id_resolver key type
[    0.236004] Key type id_resolver registered
[    0.236013] Key type id_legacy registered
[    0.236062] jffs2: version 2.2. (NAND) (SUMMARY)  © 2001-2006 Red Hat, Inc.
[    0.242801] NET: Registered protocol family 38
[    0.243054] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249)
[    0.243069] io scheduler noop registered (default)
[    0.243077] io scheduler deadline registered
[    0.243487] io scheduler cfq registered
[    0.243500] io scheduler mq-deadline registered
[    0.243508] io scheduler kyber registered
[    0.244479] pinctrl-single 44e10800.pinmux: 142 pins at pa f9e10800 size 568
[    0.247562] omap_uart 44e09000.serial: no wakeirq for uart0
[    0.247795] 44e09000.serial: ttyO0 at MMIO 0x44e09000 (irq = 30, base_baud = 3000000) is a OMAP UART0
[    0.884012] console [ttyO0] enabled
[    0.888265] omap_uart 481a6000.serial: no wakeirq for uart3
[    0.894345] 481a6000.serial: ttyO3 at MMIO 0x481a6000 (irq = 31, base_baud = 3000000) is a OMAP UART3
[    0.905325] omap_rng 48310000.rng: Random Number Generator ver. 20
[    0.921880] brd: module loaded
[    0.933121] loop: module loaded
[    0.937352] mtdoops: mtd device (mtddev=name/number) must be supplied
[    0.945003] libphy: Fixed MDIO Bus: probed
[    0.949959] usbcore: registered new interface driver cdc_wdm
[    0.956231] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers
[    0.966100] omap_rtc 44e3e000.rtc: already running
[    0.972025] omap_rtc 44e3e000.rtc: registered as rtc0
[    0.977660] i2c /dev entries driver
[    0.981389] IR NEC protocol handler initialized
[    0.986118] IR RC5(x/sz) protocol handler initialized
[    0.991375] IR RC6 protocol handler initialized
[    0.996088] IR JVC protocol handler initialized
[    1.000801] IR Sony protocol handler initialized
[    1.005628] IR SANYO protocol handler initialized
[    1.010522] IR Sharp protocol handler initialized
[    1.015443] IR MCE Keyboard/mouse protocol handler initialized
[    1.021511] IR XMP protocol handler initialized
[    1.027246] omap_wdt: OMAP Watchdog Timer Rev 0x01: initial timeout 60 sec
[    1.034737] Bluetooth: HCI UART driver ver 2.3
[    1.039368] Bluetooth: HCI UART protocol H4 registered
[    1.044847] Bluetooth: HCI UART protocol LL registered
[    1.051014] omap_hsmmc 48060000.mmc: Got CD GPIO
[    1.231600] mmc1: new high speed MMC card at address 0001
[    1.237790] mmcblk1: mmc1:0001 MMC04G 3.66 GiB
[    1.242678] mmcblk1boot0: mmc1:0001 MMC04G partition 1 1.00 MiB
[    1.248997] mmcblk1boot1: mmc1:0001 MMC04G partition 2 1.00 MiB
[    1.255338] mmcblk1rpmb: mmc1:0001 MMC04G partition 3 128 KiB
[    1.269268]  mmcblk1: p1 p2 p3 p4 < p5 p6 p7 p8 >
[    1.323903] omap-aes 53500000.aes: OMAP AES hw accel rev: 3.2
[    1.330243] omap-aes 53500000.aes: will run requests pump with realtime priority
[    1.334840] omap_hsmmc 47810000.mmc: card claims to support voltages below defined range
[    1.346848] mmc2: new high speed SDIO card at address 0001
[    1.353594] wl18xx_driver wl18xx.0.auto: Direct firmware load for ti-connectivity/wl1271-nvs.bin failed with error -2
[    1.353670] wl18xx_driver wl18xx.0.auto: Direct firmware load for ti-connectivity/wl18xx-conf-sm2.bin failed with error -2
[    1.353679] wlcore: ERROR could not get configuration binary ti-connectivity/wl18xx-conf-sm2.bin: -2
[    1.353681] wlcore: WARNING falling back to default config
[    1.399858] omap-sham 53100000.sham: hw accel on OMAP rev 4.3
[    1.408088] usbcore: registered new interface driver usbhid
[    1.414192] usbhid: USB HID core driver
[    1.418570] Netfilter messages via NETLINK v0.30.
[    1.423577] nfnl_acct: registering with nfnetlink.
[    1.428862] nf_conntrack version 0.5.0 (8192 buckets, 32768 max)
[    1.435879] ip_tables: (C) 2000-2006 Netfilter Core Team
[    1.441647] Initializing XFRM netlink socket
[    1.446788] NET: Registered protocol family 10
[    1.452685] Segment Routing with IPv6
[    1.456843] ip6_tables: (C) 2000-2006 Netfilter Core Team
[    1.462467] sit: IPv6, IPv4 and MPLS over IPv4 tunneling driver
[    1.469440] NET: Registered protocol family 17
[    1.474232] NET: Registered protocol family 15
[    1.478931] Bridge firewalling registered
[    1.483166] 8021q: 802.1Q VLAN Support v1.8
[    1.487659] Key type dns_resolver registered
[    1.492281] omap_voltage_late_init: Voltage driver support not added
[    1.499113] ThumbEE CPU extension supported.
[    1.541395] tps65217 0-0024: TPS65217 ID 0x6 version 1.2
[    1.550753] at24 0-0050: 32768 byte 24c256 EEPROM, writable, 1 bytes/write
[    1.558119] omap_i2c 44e0b000.i2c: bus 0 rev0.11 at 400 kHz
[    1.564575] omap_rtc 44e3e000.rtc: setting system clock to 2018-09-06 16:44:14 UTC (1536252254)
[    1.576450] EXT4-fs (mmcblk1p7): couldn't mount as ext3 due to feature incompatibilities
[    1.594218] EXT4-fs (mmcblk1p7): mounted filesystem without journal. Opts: (null)
[    1.602096] VFS: Mounted root (ext4 filesystem) readonly on device 179:7.
[    1.610360] devtmpfs: mounted
[    1.615677] Freeing unused kernel memory: 1024K
[    1.774400] wlcore: wl18xx HW: 183x or 180x, PG 2.2 (ROM 0x11)
[    1.790381] wlcore: loaded
[    2.036593] systemd[1]: systemd 237 running in system mode. (-PAM -AUDIT -SELINUX -IMA -APPARMOR -SMACK +SYSVINIT +UTMP -LIBCRYPTSETUP +GCRYPT -GNUTLS -ACL -XZ -LZ4 -SECCOMP +BLKID -ELFUTILS +KMOD -IDN2 -IDN -PCRE2 default-hierarchy=hybrid)
[    2.059718] systemd[1]: Detected architecture arm.