==>>> UART 1, 5, 7, 10 open at the same time: NG ==>>> UART 1, 7, 9, 10 open at the same time: OK root@am57xx-evm:/nfs/arm_uart_tx_tray# ��� U-Boot SPL 2018.01 (Jun 09 2019 - 18:45:33) DRA752-GP ES2.0 [YH] boot_from_devices Trying to boot from MMC1 no pinctrl state for default mode no pinctrl state for default mode *** Warning - bad CRC, using default environment U-Boot 2018.01 (Jun 09 2019 - 18:45:33 +0800) CPU : DRA752-GP ES2.0 Model: TI AM5728 BeagleBoard-X15-MBBU Board: AM572x EVM REV A.3A [YH] announce_dram_init() DRAM: 2 GiB [YH] board_init(void) MMC: OMAP SD/MMC: 0, OMAP SD/MMC: 1 *** Warning - bad CRC, using default environment board claims am57xx_evm_reva3 in eeprom header fastboot.board_rev: A.3A board revision GUID Partition Table Header signature is wrong: 0x0 != 0x5452415020494645 part_get_info_efi: *** ERROR: Invalid GPT *** GUID Partition Table Header signature is wrong: 0x0 != 0x5452415020494645 part_get_info_efi: *** ERROR: Invalid Backup GPT *** [YH] board_late_init(void) SCSI: SATA link 0 timeout. AHCI 0001.0300 32 slots 1 ports 3 Gbps 0x1 impl SATA mode flags: 64bit ncq stag pm led clo only pmp pio slum part ccc apst scanning bus for devices... Found 0 device(s). Net: Warning: ethernet@48484000 using MAC address from ROM eth0: ethernet@48484000 Hit any key to stop autoboot: 0 switch to partitions #0, OK mmc0 is current device SD/MMC found on device 0 ** Unable to read file boot.scr ** ** Unable to read file uEnv.txt ** switch to partitions #0, OK mmc0 is current device SD/MMC found on device 0 4006400 bytes read in 195 ms (19.6 MiB/s) 145821 bytes read in 27 ms (5.1 MiB/s) ## Flattened Device Tree blob at 88000000 Booting using the fdt blob at 0x88000000 Loading Device Tree to 8ffd9000, end 8ffff99c ... OK Starting kernel ... [ 0.000000] Booting Linux on physical CPU 0x0 [ 0.000000] Linux version 4.14.67-gd315a9bb00 (yh64@M81) (gcc version 7.2.1 20171011 (Linaro GCC 7.2-2017.11)) #139 SMP PREEMPT Wed Aug 7 14:24:45 CST 2019 [ 0.000000] CPU: ARMv7 Processor [412fc0f2] revision 2 (ARMv7), cr=30c5387d [ 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: TI AM5728 EVM [ 0.000000] Memory policy: Data cache writealloc [ 0.000000] efi: Getting EFI parameters from FDT: [ 0.000000] efi: UEFI not found. [ 0.000000] Reserved memory: created CMA memory pool at 0x0000000095800000, size 56 MiB [ 0.000000] OF: reserved mem: initialized node ipu2-memory@95800000, compatible id shared-dma-pool [ 0.000000] Reserved memory: created CMA memory pool at 0x0000000099000000, size 64 MiB [ 0.000000] OF: reserved mem: initialized node dsp1-memory@99000000, compatible id shared-dma-pool [ 0.000000] Reserved memory: created CMA memory pool at 0x000000009d000000, size 32 MiB [ 0.000000] OF: reserved mem: initialized node ipu1-memory@9d000000, compatible id shared-dma-pool [ 0.000000] Reserved memory: created CMA memory pool at 0x000000009f000000, size 8 MiB [ 0.000000] OF: reserved mem: initialized node dsp2-memory@9f000000, compatible id shared-dma-pool [ 0.000000] cma: Reserved 24 MiB at 0x00000000fe400000 [ 0.000000] OMAP4: Map 0x00000000ffd00000 to fe600000 for dram barrier [ 0.000000] DRA752 ES2.0 [ 0.000000] percpu: Embedded 15 pages/cpu @eed2b000 s31308 r8192 d21940 u61440 [ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 472640 [ 0.000000] Kernel command line: console=ttyO2,115200n8 root=PARTUUID=a0a0b768-02 rw rootfstype=ext4 rootwait [ 0.000000] PID hash table entries: 4096 (order: 2, 16384 bytes) [ 0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes) [ 0.000000] Inode-cache hash table entries: 65536 (order: 6, 262144 bytes) [ 0.000000] Memory: 1675576K/1897472K available (8192K kernel code, 337K rwdata, 2552K rodata, 2048K init, 299K bss, 33480K reserved, 188416K cma-reserved, 1283072K highmem) [ 0.000000] Virtual kernel memory layout: [ 0.000000] vector : 0xffff0000 - 0xffff1000 ( 4 kB) [ 0.000000] fixmap : 0xffc00000 - 0xfff00000 (3072 kB) [ 0.000000] vmalloc : 0xf0800000 - 0xff800000 ( 240 MB) [ 0.000000] lowmem : 0xc0000000 - 0xf0000000 ( 768 MB) [ 0.000000] pkmap : 0xbfe00000 - 0xc0000000 ( 2 MB) [ 0.000000] modules : 0xbf000000 - 0xbfe00000 ( 14 MB) [ 0.000000] .text : 0xc0008000 - 0xc0a00000 (10208 kB) [ 0.000000] .init : 0xc0e00000 - 0xc1000000 (2048 kB) [ 0.000000] .data : 0xc1000000 - 0xc1054428 ( 338 kB) [ 0.000000] .bss : 0xc1056000 - 0xc10a0cfc ( 300 kB) [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=1 [ 0.000000] Preemptible hierarchical RCU implementation. [ 0.000000] Tasks RCU enabled. [ 0.000000] NR_IRQS: 16, nr_irqs: 16, preallocated irqs: 16 [ 0.000000] GIC: Using split EOI/Deactivate mode [ 0.000000] OMAP clockevent source: timer1 at 32786 Hz [ 0.000000] arch_timer: cp15 timer(s) running at 6.14MHz (phys). [ 0.000000] clocksource: arch_sys_counter: mask: 0xffffffffffffff max_cycles: 0x16af5adb9, max_idle_ns: 440795202250 ns [ 0.000005] sched_clock: 56 bits at 6MHz, resolution 162ns, wraps every 4398046511023ns [ 0.000017] Switching to timer-based delay loop, resolution 162ns [ 0.000341] clocksource: 32k_counter: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 58327039986419 ns [ 0.000350] OMAP clocksource: 32k_counter at 32768 Hz [ 0.000841] Console: colour dummy device 80x30 [ 0.000858] WARNING: Your 'console=ttyO2' has been replaced by 'ttyS2' [ 0.000866] This ensures that you still see kernel messages. Please [ 0.000872] update your kernel commandline. [ 0.000893] Calibrating delay loop (skipped), value calculated using timer frequency.. 12.29 BogoMIPS (lpj=61475) [ 0.000908] pid_max: default: 32768 minimum: 301 [ 0.001028] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes) [ 0.001042] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes) [ 0.001566] CPU: Testing write buffer coherency: ok [ 0.001789] /cpus/cpu@0 missing clock-frequency property [ 0.001809] /cpus/cpu@1 missing clock-frequency property [ 0.001821] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000 [ 0.039850] Setting up static identity map for 0x80200000 - 0x80200060 [ 0.059860] Hierarchical SRCU implementation. [ 0.080053] EFI services will not be available. [ 0.099927] smp: Bringing up secondary CPUs ... [ 0.170250] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001 [ 0.170343] smp: Brought up 1 node, 2 CPUs [ 0.170358] SMP: Total of 2 processors activated (24.59 BogoMIPS). [ 0.170366] CPU: All CPU(s) started in HYP mode. [ 0.170373] CPU: Virtualization extensions available. [ 0.170900] devtmpfs: initialized [ 0.191062] random: get_random_u32 called from bucket_table_alloc+0x108/0x230 with crng_init=0 [ 0.191306] VFP support v0.3: implementor 41 architecture 4 part 30 variant f rev 0 [ 0.191503] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.191519] futex hash table entries: 512 (order: 3, 32768 bytes) [ 0.195331] pinctrl core: initialized pinctrl subsystem [ 0.195787] DMI not present or invalid. [ 0.196036] NET: Registered protocol family 16 [ 0.197073] DMA: preallocated 256 KiB pool for atomic coherent allocations [ 0.198005] omap_hwmod: l3_main_2 using broken dt data from ocp [ 0.308104] omap_hwmod: dcan1: _wait_target_disable failed [ 0.407073] cpuidle: using governor ladder [ 0.407106] cpuidle: using governor menu [ 0.415242] OMAP GPIO hardware version 0.1 [ 0.446208] No ATAGs? [ 0.446281] hw-breakpoint: found 5 (+1 reserved) breakpoint and 4 watchpoint registers. [ 0.446295] hw-breakpoint: maximum watchpoint size is 8 bytes. [ 0.446670] omap4_sram_init:Unable to allocate sram needed to handle errata I688 [ 0.446681] omap4_sram_init:Unable to get sram pool needed to handle errata I688 [ 0.447201] OMAP DMA hardware revision 0.0 [ 0.456953] edma 43300000.edma: memcpy is disabled [ 0.460236] edma 43300000.edma: TI EDMA DMA engine driver [ 0.467256] omap-dma-engine 4a056000.dma-controller: OMAP DMA engine driver (LinkedList1/2/3 supported) [ 0.468595] evm_5v0: supplied by main_12v0 [ 0.469021] com_3v6: supplied by evm_5v0 [ 0.472103] omap-iommu 40d01000.mmu: 40d01000.mmu registered [ 0.472300] omap-iommu 40d02000.mmu: 40d02000.mmu registered [ 0.472538] omap-iommu 58882000.mmu: 58882000.mmu registered [ 0.472784] omap-iommu 55082000.mmu: 55082000.mmu registered [ 0.473135] omap-iommu 41501000.mmu: 41501000.mmu registered [ 0.473336] omap-iommu 41502000.mmu: 41502000.mmu registered [ 0.473580] iommu: Adding device 58820000.ipu to group 1 [ 0.473667] iommu: Adding device 55020000.ipu to group 2 [ 0.473816] iommu: Adding device 40800000.dsp to group 0 [ 0.474070] iommu: Adding device 41000000.dsp to group 3 [ 0.476246] palmas 0-0058: Irq flag is 0x00000008 [ 0.502771] palmas 0-0058: Muxing GPIO 2b, PWM 0, LED 0 [ 0.504304] SMPS12: supplied by regulator-dummy [ 0.506028] SMPS3: supplied by regulator-dummy [ 0.507729] SMPS45: supplied by regulator-dummy [ 0.509572] SMPS6: supplied by regulator-dummy [ 0.511081] SMPS7: supplied by regulator-dummy [ 0.512511] SMPS8: supplied by regulator-dummy [ 0.513800] SMPS9: supplied by regulator-dummy [ 0.514510] LDO1: supplied by regulator-dummy [ 0.521088] random: fast init done [ 0.521307] LDO2: supplied by regulator-dummy [ 0.531152] LDO3: supplied by regulator-dummy [ 0.541169] LDO4: supplied by regulator-dummy [ 0.551187] LDO5: supplied by regulator-dummy [ 0.551919] LDO6: supplied by regulator-dummy [ 0.552638] LDO7: supplied by regulator-dummy [ 0.553361] LDO8: supplied by regulator-dummy [ 0.554096] LDO9: supplied by regulator-dummy [ 0.561215] LDOLN: supplied by regulator-dummy [ 0.571237] LDOUSB: supplied by regulator-dummy [ 0.583838] omap_i2c 48070000.i2c: bus 0 rev0.12 at 400 kHz [ 0.584402] omap_i2c 48060000.i2c: bus 2 rev0.12 at 400 kHz [ 0.584919] omap_i2c 4807a000.i2c: bus 3 rev0.12 at 400 kHz [ 0.585097] media: Linux media interface: v0.10 [ 0.585134] Linux video capture interface: v2.00 [ 0.585216] pps_core: LinuxPPS API ver. 1 registered [ 0.585224] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 0.585244] PTP clock support registered [ 0.585270] EDAC MC: Ver: 3.0.0 [ 0.590684] dmi: Firmware registration failed. [ 0.591095] omap-mailbox 48840000.mailbox: omap mailbox rev 0x400 [ 0.591386] omap-mailbox 48842000.mailbox: omap mailbox rev 0x400 [ 0.591723] Advanced Linux Sound Architecture Driver Initialized. [ 0.600744] clocksource: Switched to clocksource arch_sys_counter [ 0.608602] NET: Registered protocol family 2 [ 0.609127] TCP established hash table entries: 8192 (order: 3, 32768 bytes) [ 0.609191] TCP bind hash table entries: 8192 (order: 4, 65536 bytes) [ 0.609317] TCP: Hash tables configured (established 8192 bind 8192) [ 0.609385] UDP hash table entries: 512 (order: 2, 16384 bytes) [ 0.609418] UDP-Lite hash table entries: 512 (order: 2, 16384 bytes) [ 0.609540] NET: Registered protocol family 1 [ 0.609826] RPC: Registered named UNIX socket transport module. [ 0.609835] RPC: Registered udp transport module. [ 0.609843] RPC: Registered tcp transport module. [ 0.609850] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 0.610861] hw perfevents: no interrupt-affinity property for /pmu, guessing. [ 0.611034] hw perfevents: enabled with armv7_cortex_a15 PMU driver, 7 counters available [ 0.612034] workingset: timestamp_bits=14 max_order=19 bucket_order=5 [ 0.616156] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 0.616641] NFS: Registering the id_resolver key type [ 0.616662] Key type id_resolver registered [ 0.616670] Key type id_legacy registered [ 0.616708] ntfs: driver 2.1.32 [Flags: R/O]. [ 0.618021] bounce: pool size: 64 pages [ 0.618065] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 245) [ 0.618076] io scheduler noop registered [ 0.618085] io scheduler deadline registered [ 0.618236] io scheduler cfq registered (default) [ 0.618246] io scheduler mq-deadline registered [ 0.618254] io scheduler kyber registered [ 0.623687] pinctrl-single 4a003400.pinmux: 282 pins at pa fc003400 size 1128 [ 0.631211] vdd_3v3: supplied by regen1 [ 0.631468] aic_dvdd_fixed: supplied by vdd_3v3 [ 0.631551] vtt_fixed: supplied by smps3 [ 0.670752] NOHZ: local_softirq_pending 80 [ 0.673774] Serial: 8250/16550 driver, 10 ports, IRQ sharing disabled [ 0.676355] 4806a000.serial: ttyS0 at MMIO 0x4806a000 (irq = 43, base_baud = 3000000) is a 8250 [ 0.677126] 4806c000.serial: ttyS1 at MMIO 0x4806c000 (irq = 44, base_baud = 3000000) is a 8250 [ 0.677850] 48020000.serial: ttyS2 at MMIO 0x48020000 (irq = 45, base_baud = 3000000) is a 8250 [ 1.695965] console [ttyS2] enabled [ 1.700229] 4806e000.serial: ttyS3 at MMIO 0x4806e000 (irq = 46, base_baud = 3000000) is a 8250 [ 1.709729] 48066000.serial: ttyS4 at MMIO 0x48066000 (irq = 47, base_baud = 3000000) is a 8250 [ 1.719225] 48068000.serial: ttyS5 at MMIO 0x48068000 (irq = 48, base_baud = 3000000) is a 8250 [ 1.728709] 48420000.serial: ttyS6 at MMIO 0x48420000 (irq = 49, base_baud = 3000000) is a 8250 [ 1.738200] 48422000.serial: ttyS7 at MMIO 0x48422000 (irq = 50, base_baud = 3000000) is a 8250 [ 1.747679] 48424000.serial: ttyS8 at MMIO 0x48424000 (irq = 51, base_baud = 3000000) is a 8250 [ 1.757174] 4ae2b000.serial: ttyS9 at MMIO 0x4ae2b000 (irq = 52, base_baud = 3000000) is a 8250 [ 1.767926] omap_rng 48090000.rng: Random Number Generator ver. 20 [ 1.775091] DSS: OMAP DSS rev 6.1 [ 1.779561] omapdss_dss 58000000.dss: bound 58001000.dispc (ops dispc_component_ops) [ 1.789503] panel-dpi display: display supply vcc not found, using dummy regulator [ 1.807761] brd: module loaded [ 1.816358] loop: module loaded [ 1.823411] libphy: Fixed MDIO Bus: probed [ 1.880775] davinci_mdio 48485000.mdio: davinci mdio revision 1.6, bus freq 1000000 [ 1.888469] libphy: 48485000.mdio: probed [ 1.892973] davinci_mdio 48485000.mdio: phy[1]: device 48485000.mdio:01, driver TI DP83822 10/100 Mbps PHY [ 1.903205] cpsw 48484000.ethernet: Detected MACID = 88:3f:4a:ba:23:e6 [ 1.909815] cpsw 48484000.ethernet: initialized cpsw ale version 1.4 [ 1.916222] cpsw 48484000.ethernet: ALE Table size 1024 [ 1.921499] cpsw 48484000.ethernet: device node lookup for pps timer failed [ 1.928534] cpsw 48484000.ethernet: cpts: overflow check period 500 (jiffies) [ 1.936957] sis_ts_init ver. 3.01.03 [ 1.940851] sis_ts_probe [ 1.943482] sis_i2c_ts 3-005c: get reset pin ok [ 1.948031] sis_reset: reset [ 1.980762] sis_reset: reset low [ 2.100764] sis_reset: reset high [ 2.104304] input: sis_touch as /devices/virtual/input/input0 [ 2.110252] sis_gpio_irq=36 [ 2.113132] sis_ts_probe: Start touchscreen sis_touch in interrupt mode [ 2.119776] sis_setup_chardev. [ 2.122865] sis_hydra_touch_device driver(major 244) installed. [ 2.128917] sis SIS_SLAVE_ADDR: 5c [ 2.132431] i2c /dev entries driver [ 2.136870] IR NEC protocol handler initialized [ 2.141443] IR RC5(x/sz) protocol handler initialized [ 2.146517] IR RC6 protocol handler initialized [ 2.151083] IR JVC protocol handler initialized [ 2.155633] IR Sony protocol handler initialized [ 2.160269] IR SANYO protocol handler initialized [ 2.165008] IR Sharp protocol handler initialized [ 2.169730] IR MCE Keyboard/mouse protocol handler initialized [ 2.175601] IR XMP protocol handler initialized [ 2.182530] gpio-fan gpio_fan: GPIO fan initialized [ 2.188075] tmp102 0-0048: error reading config register [ 2.193561] tmp102: probe of 0-0048 failed with error -121 [ 2.203268] sdhci: Secure Digital Host Controller Interface driver [ 2.209476] sdhci: Copyright(c) Pierre Ossman [ 2.214781] sdhci-pltfm: SDHCI platform and OF driver helper [ 2.221302] sdhci-omap 4809c000.mmc: Got CD GPIO [ 2.226662] sdhci-omap 4809c000.mmc: no pinctrl state for sdr104 mode [ 2.233159] sdhci-omap 4809c000.mmc: no pinctrl state for ddr50 mode [ 2.239538] sdhci-omap 4809c000.mmc: no pinctrl state for sdr50 mode [ 2.245957] sdhci-omap 4809c000.mmc: no pinctrl state for ddr_1_8v mode [ 2.252612] sdhci-omap 4809c000.mmc: no pinctrl state for hs200_1_8v mode [ 2.311078] mmc0: SDHCI controller on 4809c000.mmc [4809c000.mmc] using ADMA [ 2.380792] mmc1: SDHCI controller on 480b4000.mmc [480b4000.mmc] using ADMA [ 2.390110] sdhci-omap 480ad000.mmc: no pinctrl state for sdr104 mode [ 2.397805] sdhci-omap 480ad000.mmc: no pinctrl state for ddr50 mode [ 2.406293] sdhci-omap 480ad000.mmc: no pinctrl state for hs200_1_8v mode [ 2.419931] mmc0: host does not support reading read-only switch, assuming write-enable [ 2.429649] mmc0: new ultra high speed SDR25 SDHC card at address 59b4 [ 2.436426] mmcblk0: mmc0:59b4 AF UD 7.49 GiB [ 2.442362] mmcblk0: p1 p2 p3 [ 2.470419] mmc1: new DDR MMC card at address 0001 [ 2.475275] mmc2: SDHCI controller on 480ad000.mmc [480ad000.mmc] using PIO [ 2.482893] ledtrig-cpu: registered to indicate activity on CPUs [ 2.488988] mmcblk1: mmc1:0001 P1XXXX 3.60 GiB [ 2.493968] mmcblk1boot0: mmc1:0001 P1XXXX partition 1 2.00 MiB [ 2.495791] NET: Registered protocol family 10 [ 2.504745] mmcblk1boot1: mmc1:0001 P1XXXX partition 2 2.00 MiB [ 2.506499] Segment Routing with IPv6 [ 2.506545] sit: IPv6, IPv4 and MPLS over IPv4 tunneling driver [ 2.506945] NET: Registered protocol family 17 [ 2.507117] Key type dns_resolver registered [ 2.507217] omap_voltage_late_init: Voltage driver support not added [ 2.507220] Power Management for TI OMAP4+ devices. [ 2.507432] Registering SWP/SWPB emulation handler [ 2.547050] mmcblk1rpmb: mmc1:0001 P1XXXX partition 3 128 KiB [ 2.547086] dmm 4e000000.dmm: workaround for errata i878 in use [ 2.558902] dmm 4e000000.dmm: initialized all PAT entries [ 2.581186] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013). [ 2.587828] [drm] No driver support for vblank timestamp query. [ 2.597273] [drm] Enabling DMM ywrap scrolling [ 2.673792] Console: switching to colour frame buffer device 128x37 [ 2.683972] omapdrm omapdrm.0: fb0: omapdrm frame buffer device [ 2.690585] [drm] Initialized omapdrm 1.0.0 20110917 for omapdrm.0 on minor 0 [ 2.699149] input: gpio_keys as /devices/platform/gpio_keys/input/input1 [ 2.706199] hctosys: unable to open rtc device (rtc0) [ 2.711769] aic_dvdd_fixed: disabling [ 2.715617] ldousb: disabling [ 2.719013] ALSA device list: [ 2.722006] No soundcards found. [ 2.727743] NOHZ: local_softirq_pending 40 [ 2.734832] NOHZ: local_softirq_pending 40 [ 4.432768] EXT4-fs (mmcblk0p2): recovery complete [ 4.473319] EXT4-fs (mmcblk0p2): mounted filesystem with ordered data mode. Opts: (null) [ 4.481514] VFS: Mounted root (ext4 filesystem) on device 179:2. [ 4.488748] devtmpfs: mounted [ 4.493009] Freeing unused kernel memory: 2048K [ 4.731852] systemd[1]: System time before build time, advancing clock. [ 4.771707] systemd[1]: systemd 234 running in system mode. (+PAM -AUDIT -SELINUX +IMA -APPARMOR +SMACK +SYSVINIT +UTMP -LIBCRYPTSETUP -GCRYPT -GNUTLS +ACL +XZ -LZ4 -SECCOMP +BLKID) [ 4.793173] systemd[1]: Detected architecture arm. Welcome to Arago 2018.08! [ 4.831467] systemd[1]: Set hostname to . [ 5.158909] random: systemd: uninitialized urandom read (16 bytes read) [ 5.165869] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [ OK ] Started Forward Password Requests to Wall Directory Watch. [ 5.200938] random: systemd: uninitialized urandom read (16 bytes read) [ 5.207768] systemd[1]: Listening on udev Control Socket. [ OK ] Listening on udev Control Socket. [ 5.251892] random: systemd: uninitialized urandom read (16 bytes read) [ 5.258613] systemd[1]: Listening on Network Service Netlink Socket. [ OK ] Listening on Network Service Netlink Socket. [ 5.300878] systemd[1]: Reached target Swap. [ OK ] Reached target Swap. [ 5.332340] systemd[1]: Created slice User and Session Slice. [ OK ] Created slice User and Session Slice. [ 5.361273] systemd[1]: Listening on Journal Socket (/dev/log). [ OK ] Listening on Journal Socket (/dev/log). [ 5.425478] systemd[1]: Listening on Syslog Socket. [ OK ] Listening on Syslog Socket. [ OK ] Listening on Process Core Dump Socket. [ OK ] Reached target Remote File Systems. [ OK ] Started Dispatch Password Requests to Console Directory Watch. [ OK ] Reached target Paths. [ OK ] Listening on /dev/initctl Compatibility Named Pipe. [ OK ] Listening on Journal Socket. [ OK ] Created slice System Slice. Mounting Temporary Directory (/tmp)... Starting Journal Service... Starting Remount Root and Kernel File Systems... [ 5.750955] EXT4-fs (mmcblk0p2): re-mounted. Opts: (null) Mounting Kernel Debug File System... Starting Load Kernel Modules... [ 5.810138] cmemk: loading out-of-tree module taints kernel. [ 5.816532] CMEMK module: reference Linux version 4.14.67 [ 5.825870] allocated heap buffer 0x40500000 of size 0x100000 Mounting POSIX Message Queue File System... [ 5.831920] cmemk initialized [ 5.845562] cryptodev: driver 1.9 loaded. [ OK ] Reached target Slices. [ 5.880778] usbcore: registered new interface driver usbfs [ 5.886334] usbcore: registered new interface driver hub [ 5.892240] usbcore: registered new device driver usb [ OK ] Listening on udev Kernel Socket. [ 5.901716] usbcore: registered new interface driver usbserial [ 5.916876] usbcore: registered new interface driver ftdi_sio [ 5.922713] usbserial: USB Serial support registered for FTDI USB Serial Device [ OK ] Created slice system-serial\x2dgetty.slice. [ OK ] Mounted Kernel Debug File System. [ OK ] Mounted POSIX Message Queue File System. [ OK ] Mounted Temporary Directory (/tmp). [ OK ] Started Journal Service. [ OK ] Started Remount Root and Kernel File Systems. [ OK ] Started Load Kernel Modules. Mounting Kernel Configuration File System... Starting Apply Kernel Variables... Starting Create Static Device Nodes in /dev... Starting udev Coldplug all Devices... Starting Flush Journal to Persistent Storage... [ OK ] Mounted Kernel Configuration File System. [ OK ] Started Apply Kernel Variables. [ OK ] Started Create Static Device Nodes in /dev. [ 6.394203] systemd-journald[86]: Received request to flush runtime journal from PID 1 Starting udev Kernel Device Manager... [ OK ] Reached target Local File Systems (Pre). Mounting /var/volatile... Mounting /media/ram... [ OK ] Mounted /var/volatile. [ OK ] Mounted /media/ram. [ OK ] Started udev Kernel Device Manager. [ OK ] Started Flush Journal to Persistent Storage. Starting Load/Save Random Seed... [ OK ] Reached target Local File Systems. Starting Create Volatile Files and Directories... [ OK ] Started Load/Save Random Seed. [ OK ] Started Create Volatile Files and Directories. Starting Update UTMP about System Boot/Shutdown... Starting Network Time Synchronization... [ OK ] Started Update UTMP about System Boot/Shutdown. [ OK ] Started udev Coldplug all Devices. [ 6.894124] omap-rproc 58820000.ipu: assigned reserved memory node ipu1-memory@9d000000 [ 6.950970] remoteproc remoteproc0: 58820000.ipu is available [ 6.977821] omap-rproc 55020000.ipu: assigned reserved memory node ipu2-memory@95800000 [ 6.989193] remoteproc remoteproc1: 55020000.ipu is available [ 6.998722] omap-rproc 40800000.dsp: assigned reserved memory node dsp1-memory@99000000 [ 7.008453] remoteproc remoteproc2: 40800000.dsp is available [ 7.016536] omap-rproc 41000000.dsp: assigned reserved memory node dsp2-memory@9f000000 [ 7.026214] remoteproc remoteproc2: Direct firmware load for dra7-dsp1-fw.xe66 failed with error -2 [ 7.026220] remoteproc remoteproc2: powering up 40800000.dsp [ 7.026238] remoteproc remoteproc2: Direct firmware load for dra7-dsp1-fw.xe66 failed with error -2 [ 7.026243] remoteproc remoteproc2: request_firmware failed: -2 [ OK ] Found device /dev/ttyS2. [ 7.077919] remoteproc remoteproc3: 41000000.dsp is available [ 7.098584] remoteproc remoteproc3: Direct firmware load for dra7-dsp2-fw.xe66 failed with error -2 [ 7.130778] remoteproc remoteproc3: powering up 41000000.dsp [ 7.137943] remoteproc remoteproc3: Direct firmware load for dra7-dsp2-fw.xe66 failed with error -2 [ 7.163917] remoteproc remoteproc3: request_firmware failed: -2 [ OK ] Started Network Time Synchronization. [ OK ] Reached target System Initialization. [ 7.381893] remoteproc remoteproc0: powering up 58820000.ipu [ 7.387587] remoteproc remoteproc0: Booting fw image dra7-ipu1-fw.xem4, size 6665500 [ OK ] Listening on Avahi mDNS/DNS-SD Stack Activati[ 7.409263] omap-iommu 58882000.mmu: 58882000.mmu: version 2.1 on Socket. [ OK ] Started Daily Cleanup of Temporary Directories. [ 7.459667] virtio_rpmsg_bus virtio0: rpmsg host is online [ 7.468786] remoteproc remoteproc0: registered virtio0 (type 7) [[ 7.486778] remoteproc remoteproc0: remote processor 58820000.ipu is now up OK ] Listening on D-Bus System Message Bus Socket. [ OK ] Listening on RPCbind Server Activation Socket. [ OK ] Reached target Sockets. [ 7.569507] remoteproc remoteproc1: powering up 55020000.ipu [ 7.575309] remoteproc remoteproc1: Booting fw image dra7-ipu2-fw.xem4, size 3747220 [ 7.580723] virtio_rpmsg_bus virtio0: creating channel rpmsg-proto addr 0x3d [ OK ] Reached target Basic System. [ 7.593888] omap-iommu 55082000.mmu: 55082000.mmu: version 2.1 [ OK ] Reached target Containers. [ 7.608631] omap_rtc 48838000.rtc: registered as rtc2 [ 7.628171] palmas-rtc 48070000.i2c:tps659038@58:tps659038_rtc: rtc core: registered 48070000.i2c:tps659038@58:tps659038_rtc as rtc1 Starting TI IPC Daemon... [ 7.668008] at24 0-0050: 4096 byte 24c32 EEPROM, writable, 1 bytes/write [ 7.668193] rtc-ds1307: probe of 2-006f failed with error -121 Starting uim-sysfs.service... [ 7.707371] omap-des 480a5000.des: OMAP DES hw accel rev: 2.2 [ 7.723236] omap-des 480a5000.des: will run requests pump with realtime priority [ OK ] Started System Logging Service. [ 7.787494] vpe 489d0000.vpe: loading firmware vpdma-1b8.bin Starting Avahi mDNS/DNS-SD Stack... [ 7.826727] virtio_rpmsg_bus virtio1: rpmsg host is online [ 7.830105] virtio_rpmsg_bus virtio1: creating channel rpmsg-rpc addr 0x65 [ 7.831188] virtio_rpmsg_bus virtio1: creating channel rpmsg-rpc addr 0x66 [ 7.861383] vpe 489d0000.vpe: Device registered as /dev/video0 [[ 7.888327] remoteproc remoteproc1: registered virtio1 (type 7) OK ] Started Hardware RNG Entropy Gatherer Daemon. [ 7.906222] remoteproc remoteproc1: remote processor 55020000.ipu is now up Starting TI MultiCore Tools Daemon... [ 7.940863] omap_wdt: OMAP Watchdog Timer Rev 0x01: initial timeout 60 sec [ 7.988500] random: crng init done [ 7.992507] random: 7 urandom warning(s) missed due to ratelimiting [ 8.046149] omap-sham 4b101000.sham: hw accel on OMAP rev 4.3 [ OK ] Started Periodic Command Scheduler. Starting RPC Bind Service... [ OK ] Started D-Bus System Message Bus. [ 8.177762] [drm] Initialized pvr 1.14.3699939 20110701 for 56000000.gpu on minor 1 [ 8.188246] omap-aes 4b500000.aes: OMAP AES hw accel rev: 3.3 [ 8.201419] omap-aes 4b500000.aes: will run requests pump with realtime priority [ 8.281471] omap-aes 4b700000.aes: OMAP AES hw accel rev: 3.3 [ 8.303041] omap-aes 4b700000.aes: will run requests pump with realtime priority [ 8.415343] asoc-simple-card sound0: tlv320aic3x-hifi <-> 48468000.mcasp mapping ok [ 8.456110] asoc-simple-card sound0: ASoC: no DMI vendor name! [ OK ] Started Avahi mDNS/DNS-SD Stack. [ OK ] Started Job spooling tools. Starting Login Service... Starting Network Service... [ OK ] Started Kernel Logging Service. Starting Save/Restore Sound Card State... [ OK ] Reached target System Time Synchronized. [ OK ] Started Daily rotation of log files. [ OK ] Reached target Timers. [ OK ] Started TI IPC Daemon. [ 8.782880] net eth0: initializing cpsw version 1.15 (0) [ OK ] Started TI MultiCore Tools Daemon. [ OK ] Started RPC Bind Service. [ OK ] Started Save/Restore Sound Card State. [ OK ] Started Network Service. [ 8.931321] FAT-fs (mmcblk0p1): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. [ 8.949874] TI DP83822 10/100 Mbps PHY 48485000.mdio:01: attached PHY driver [TI DP83822 10/100 Mbps PHY] (mii_bus:phy_addr=48485000.mdio:01, irq=POLL) [ 8.968002] cpts ptp bc clkid 0 [ 8.973424] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready [ 9.016044] EXT4-fs (mmcblk0p3): recovery complete [ 9.016056] EXT4-fs (mmcblk0p3): mounted filesystem with ordered data mode. Opts: (null) [ OK ] Started uim-sysfs.service. [ 9.674457] NET: Registered protocol family 44 [ 9.680106] pruss 4b200000.pruss: creating PRU cores and other child platform devices [ 9.692477] rpmsg_rpc virtio1.rpmsg-rpc.-1.101: probing service dce-callback with src 1024 dst 101 [ 9.692679] rpmsg_rpc virtio1.rpmsg-rpc.-1.102: probing service rpmsg-dce with src 1025 dst 102 [ 9.693950] rpmsg_rpc virtio1.rpmsg-rpc.-1.101: published functions = 4 [ 9.693973] rpmsg_rpc virtio1.rpmsg-rpc.-1.102: published functions = 9 [ 9.744356] pruss 4b280000.pruss: creating PRU cores and other child platform devices [ 9.760011] xhci-hcd xhci-hcd.0.auto: xHCI Host Controller [ 9.773437] xhci-hcd xhci-hcd.0.auto: new USB bus registered, assigned bus number 1 [ 9.794593] xhci-hcd xhci-hcd.0.auto: hcc params 0x0220f04c hci version 0x100 quirks 0x02010010 [ 9.804550] xhci-hcd xhci-hcd.0.auto: irq 196, io mem 0x48890000 [ 9.816689] hub 1-0:1.0: USB hub found [ 9.822789] hub 1-0:1.0: 1 port detected [ 9.828332] remoteproc remoteproc4: 4b234000.pru is available [ 9.828378] pru-rproc 4b234000.pru: PRU rproc node /ocp/pruss_soc_bus@4b226004/pruss@0/pru@34000 probed successfully [ 9.828653] remoteproc remoteproc5: 4b238000.pru is available [ 9.828697] pru-rproc 4b238000.pru: PRU rproc node /ocp/pruss_soc_bus@4b226004/pruss@0/pru@38000 probed successfully [ 9.828938] remoteproc remoteproc6: 4b2b4000.pru is available [ 9.828973] pru-rproc 4b2b4000.pru: PRU rproc node /ocp/pruss_soc_bus@4b2a6004/pruss@0/pru@34000 probed successfully [ 9.829197] remoteproc remoteproc7: 4b2b8000.pru is available [ 9.829229] pru-rproc 4b2b8000.pru: PRU rproc node /ocp/pruss_soc_bus@4b2a6004/pruss@0/pru@38000 probed successfully [ 9.911409] xhci-hcd xhci-hcd.0.auto: xHCI Host Controller [ 9.917005] xhci-hcd xhci-hcd.0.auto: new USB bus registered, assigned bus number 2 [ 9.924896] xhci-hcd xhci-hcd.0.auto: Host supports USB 3.0 SuperSpeed [ 9.931673] usb usb2: We don't know the algorithms for LPM for this host, disabling LPM. [ 9.941063] hub 2-0:1.0: USB hub found [ 9.944898] hub 2-0:1.0: 1 port detected [ 10.280775] usb 1-1: new high-speed USB device number 2 using xhci-hcd [ OK ] Reached target Sound Card. Starting rc.pvr.service... [ OK ] Listening on Load/Save RF Kill Switch Status /dev/rfkill Watch. [ 10.428012] PVR_K: UM DDK-(3699939) and KM DDK-(3699939) match. [ OK ] [ OK ] Reached target Network. Starting Network Name Resolution... [ 10.475806] hub 1-1:1.0: USB hub found [ 10.479864] hub 1-1:1.0: 2 ports detected Starting Enable and configure wl18xx bluetooth stack... Starting Permit User Sessions... Starting Wait for Network to be Configured... [ OK ] Started rc.pvr.service. [ OK ] Started Permit User Sessions. [ OK ] Started Login Service. [ OK ] Started Serial Getty on ttyS2. [ OK ] Reached target Login Prompts. Starting Synchronize System and HW clocks... Starting telnetd.service... [ OK ] Started Network Name Resolution. [FAILED] Failed to start Synchronize System and HW clocks. See 'systemctl status sync-clocks.service' for details. [ OK ] Started telnetd.service. Starting rng-tools.service... [ OK ] Reached target Host and Network Name Lookups. [ OK ] Started NFS status monitor for NFSv2/3 locking.. [ 11.036929] cpsw 48484000.ethernet eth0: Link is Up - 100Mbps/Full - flow control rx/tx [ 11.045085] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ OK ] Started rng-tools.service. [ 11.110794] NOHZ: local_softirq_pending 08 [ 11.160769] NOHZ: local_softirq_pending 08 [ OK ] Started Enable and configure wl18xx bluetooth stack. [ 12.070787] NOHZ: local_softirq_pending 08 [ 12.790771] NOHZ: local_softirq_pending 08 [ 14.291025] NOHZ: local_softirq_pending 08 _____ _____ _ _ | _ |___ ___ ___ ___ | _ |___ ___ |_|___ ___| |_ | | _| .'| . | . | | __| _| . | | | -_| _| _| |__|__|_| |__,|_ |___| |__| |_| |___|_| |___|___|_| |___| |___| Arago Project http://arago-project.org am57xx-evm ttyS2 Arago 2018.08 am57xx-evm ttyS2 am57xx-evm login: [ 24.670756] NOHZ: local_softirq_pending 40 QStandardPaths: XDG_RUNTIME_DIR not set, defaulting to '/tmp/runtime-root' failed to load module: /usr/lib/gbm/gbm_dri.so: cannot open shared object file: No such file or directory failed to load module: /usr/lib/gbm/gbm_gallium_drm.so: cannot open shared object file: No such file or directory loaded module : gbm_pvr.so found valid GBM backend : gbm_pvr.so [ 29.146784] NOHZ: local_softirq_pending 08 _____ _____ _ _ | _ |___ ___ ___ ___ | _ |___ ___ |_|___ ___| |_ | | _| .'| . | . | | __| _| . | | | -_| _| _| |__|__|_| |__,|_ |___| |__| |_| |___|_| |___|___|_| |___| |___| Arago Project http://arago-project.org am57xx-evm ttyS2 Arago 2018.08 am57xx-evm ttyS2 am57xx-evm login: root root@am57xx-evm:~# mbbuhbp01 -sh: mbbuhbp01: command not found root@am57xx-evm:~# bash yh.sh root@am57xx-evm:~# cd /nfs/arm_uart_tx_tray/ root@am57xx-evm:/nfs/arm_uart_tx_tray# ./arm_uart_tx_tray openUart(): /dev/ttyS0 /dev/ttyS0 Opened Successfully BaudRate = 115200 StopBits = 1 Parity = none openUart(): /dev/ttyS9 /dev/ttyS9 Opened Successfully BaudRate = 115200 StopBits = 1 Parity = none openUart(): /dev/ttyS4 /dev/ttyS4 Opened Successfully BaudRate = 115200 StopBits = 1 Parity = none openUart(): /dev/ttyS6 /dev/ttyS6 Opened Successfully BaudRate = 115200 StopBits = 1 Parity = none written to /dev/ttyS0 ff 03 11 00 14 32 Bytes written to /dev/ttyS0 +----------------------------------+ written to /dev/ttyS4 ff 03 11 00 14 32 Bytes written to /dev/ttyS4 +----------------------------------+ written to /dev/ttyS6 ff 03 11 00 14 32 Bytes written to /dev/ttyS6 +----------------------------------+ written to /dev/ttyS9 ff 03 11 00 14 32 Bytes written to /dev/ttyS9 +----------------------------------+ written to /dev/ttyS0 ff 03 21 00 24 32 Bytes written to /dev/ttyS0 +----------------------------------+ written to /dev/ttyS4 ff 03 21 00 24 32 Bytes written to /dev/ttyS4 +----------------------------------+ written to /dev/ttyS6 ff 03 21 00 24 32 Bytes written to /dev/ttyS6 +----------------------------------+ written to /dev/ttyS9 ff 03 21 00 24 32 Bytes written to /dev/ttyS9 +----------------------------------+ [ 126.154080] Unable to handle kernel NULL pointer dereference at virtual address 00000000 [ 126.162236] pgd = ed308a80 [ 126.164955] [00000000] *pgd=ac331003, *pmd=fc307003 [ 126.169866] Internal error: Oops: 207 [#1] PREEMPT SMP ARM [ 126.175374] Modules linked in: bc_example(O) pru_rproc pruss_intc xhci_plat_hcd xhci_hcd rpmsg_rpc dwc3 pruss rpmsg_proto udc_core snd_soc_simple_card snd_soc_simple_card_utils oma) [ 126.224943] CPU: 1 PID: 758 Comm: arm_uart_tx_tra Tainted: G O 4.14.67-gd315a9bb00 #139 [ 126.234114] Hardware name: Generic DRA74X (Flattened Device Tree) [ 126.240232] task: dfd906c0 task.stack: dfdbc000 [ 126.244790] PC is at serial8250_release_dma+0x20/0x1dc [ 126.249953] LR is at omap_8250_shutdown+0x9c/0x108 [ 126.254764] pc : [] lr : [] psr: a0070013 [ 126.261057] sp : dfdbddf8 ip : dfdbde28 fp : dfdbde24 [ 126.266303] r10: ee261070 r9 : 00000004 r8 : 00000000 [ 126.271549] r7 : ed08b800 r6 : ee85d474 r5 : 00000000 r4 : c10300f8 [ 126.278102] r3 : c10300f8 r2 : 00000000 r1 : 00000001 r0 : c108f6b8 [ 126.284657] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user [ 126.291823] Control: 30c5387d Table: ad308a80 DAC: 55555555 [ 126.297592] Process arm_uart_tx_tra (pid: 758, stack limit = 0xdfdbc210) [ 126.304322] Stack: (0xdfdbddf8 to 0xdfdbe000) [ 126.308697] dde0: dfdbde24 dfdbde08 [ 126.316911] de00: c108f6b8 ee0f6910 ee85d474 ed08b800 00000000 00000004 dfdbde3c dfdbde28 [ 126.325125] de20: c05cc0f8 c05c76d0 c108f6b8 c108f6b8 dfdbde4c dfdbde40 c05c47e4 c05cc068 [ 126.333338] de40: dfdbde64 dfdbde50 c05bee94 c05c47d4 ee85d3e0 c108f6b8 dfdbde7c dfdbde68 [ 126.341551] de60: c05beee4 c05bee64 00000000 ee85d3e0 dfdbde9c dfdbde80 c05aa764 c05beeac [ 126.349763] de80: ee85d3e0 ed08b800 00000000 dfd40300 dfdbdebc dfdbdea0 c05aaed0 c05aa6d8 [ 126.357977] dea0: ed08b800 00000000 ee46e5d8 dfd40300 dfdbded4 dfdbdec0 c05c0eb8 c05aae98 [ 126.366190] dec0: ed08b800 00000000 dfdbdf14 dfdbded8 c05a1a48 c05c0e9c dfdbdf04 dfdbdee8 [ 126.374404] dee0: c035cf04 c0289190 dfd3bf00 dfd40300 ee261070 ee46e5d8 edd31110 00000000 [ 126.382616] df00: 00000008 ee261070 dfdbdf54 dfdbdf18 c033cffc c05a195c 00000000 00000000 [ 126.390828] df20: c0246d30 dfd40308 dfd40300 00000000 dfd90bf4 dfd906c0 c1057544 dfd90c10 [ 126.399041] df40: dfd40300 00000000 dfdbdf64 dfdbdf58 c033d1ac c033cf7c dfdbdf8c dfdbdf68 [ 126.407254] df60: c0246e74 c033d1a8 ffffe000 c0207e64 dfdbdfb0 00000006 c0207e64 dfdbc000 [ 126.415467] df80: dfdbdfac dfdbdf90 c020afb8 c0246de8 be95ea30 be95ea48 be95ea74 00000006 [ 126.423680] dfa0: 00000000 dfdbdfb0 c0207ce4 c020af04 00000000 be95ea10 00000003 0000002c [ 126.431892] dfc0: be95ea30 be95ea48 be95ea74 00000006 be95eacc be95ea38 b6f1f000 00000000 [ 126.440106] dfe0: 00000000 be95ea24 00011637 b645ca38 40070030 00000005 00000000 00000000 [ 126.448316] Backtrace: [ 126.450782] [] (serial8250_release_dma) from [] (omap_8250_shutdown+0x9c/0x108) [ 126.459871] r9:00000004 r8:00000000 r7:ed08b800 r6:ee85d474 r5:ee0f6910 r4:c108f6b8 [ 126.467652] [] (omap_8250_shutdown) from [] (serial8250_shutdown+0x1c/0x28) [ 126.476389] r5:c108f6b8 r4:c108f6b8 [ 126.479984] [] (serial8250_shutdown) from [] (uart_port_shutdown+0x3c/0x48) [ 126.488722] [] (uart_port_shutdown) from [] (uart_tty_port_shutdown+0x44/0xa8) [ 126.497719] r5:c108f6b8 r4:ee85d3e0 [ 126.501315] [] (uart_tty_port_shutdown) from [] (tty_port_shutdown+0x98/0x9c) [ 126.510225] r5:ee85d3e0 r4:00000000 [ 126.513821] [] (tty_port_shutdown) from [] (tty_port_close+0x44/0x6c) [ 126.522034] r7:dfd40300 r6:00000000 r5:ed08b800 r4:ee85d3e0 [ 126.527720] [] (tty_port_close) from [] (uart_close+0x28/0x68) [ 126.535323] r7:dfd40300 r6:ee46e5d8 r5:00000000 r4:ed08b800 [ 126.541008] [] (uart_close) from [] (tty_release+0xf8/0x460) [ 126.548434] r5:00000000 r4:ed08b800 [ 126.552029] [] (tty_release) from [] (__fput+0x8c/0x1dc) [ 126.559110] r10:ee261070 r9:00000008 r8:00000000 r7:edd31110 r6:ee46e5d8 r5:ee261070 [ 126.566972] r4:dfd40300 [ 126.569518] [] (__fput) from [] (____fput+0x10/0x14) [ 126.576249] r10:00000000 r9:dfd40300 r8:dfd90c10 r7:c1057544 r6:dfd906c0 r5:dfd90bf4 [ 126.584111] r4:00000000 [ 126.586658] [] (____fput) from [] (task_work_run+0x98/0xb8) [ 126.594006] [] (task_work_run) from [] (do_work_pending+0xc0/0xc4) [ 126.601957] r9:dfdbc000 r8:c0207e64 r7:00000006 r6:dfdbdfb0 r5:c0207e64 r4:ffffe000 [ 126.609738] [] (do_work_pending) from [] (slow_work_pending+0xc/0x20) [ 126.617950] r7:00000006 r6:be95ea74 r5:be95ea48 r4:be95ea30 [ 126.623635] Code: e5904144 e3540000 0a000044 e5945088 (e5953000) [ 126.631230] ---[ end trace 74c96683d2ac3cfe ]--- Segmentation fault Broadcast message from systemd-journald@am57xx-evm (Mon 2019-09-09 03:11:40 UTC): kernel[470]: [ 126.169866] Internal error: Oops: 207 [#1] PREEMPT SMP ARM Broadcast message from systemd-journald@am57xx-evm (Mon 2019-09-09 03:11:40 UTC): kernel[470]: [ 126.297592] Process arm_uart_tx_tra (pid: 758, stack limit = 0xdfdbc210) Broadcast message from systemd-journald@am57xx-evm (Mon 2019-09-09 03:11:40 UTC): kernel[470]: [ 126.304322] Stack: (0xdfdbddf8 to 0xdfdbe000) Broadcast message from systemd-journald@am57xx-evm (Mon 2019-09-09 03:11:40 UTC): kernel[470]: [ 126.308697] dde0: dfdbde24 dfdbde08 Broadcast message from systemd-journald@am57xx-evm (Mon 2019-09-09 03:11:40 UTC): kernel[470]: [ 126.316911] de00: c108f6b8 ee0f6910 ee85d474 ed08b800 00000000 00000004 dfdbde3c dfdbde28 root@am57xx-evm:/nfs/arm_uart_tx_tray# Broadcast message from systemd-journald@am57xx-evm (Mon 2019-09-09 03:11:40 UTC): kernel[470]: [ 126.325125] de20: c05cc0f8 c05c76d0 c108f6b8 c108f6b8 dfdbde4c dfdbde40 c05c47e4 c05cc068 Broadcast message from systemd-journald@am57xx-evm (Mon 2019-09-09 03:11:40 UTC): kernel[470]: [ 126.333338] de40: dfdbde64 dfdbde50 c05bee94 c05c47d4 ee85d3e0 c108f6b8 dfdbde7c dfdbde68 Broadcast message from systemd-journald@am57xx-evm (Mon 2019-09-09 03:11:40 UTC): kernel[470]: [ 126.341551] de60: c05beee4 c05bee64 00000000 ee85d3e0 dfdbde9c dfdbde80 c05aa764 c05beeac Broadcast message from systemd-journald@am57xx-evm (Mon 2019-09-09 03:11:40 UTC): kernel[470]: [ 126.349763] de80: ee85d3e0 ed08b800 00000000 dfd40300 dfdbdebc dfdbdea0 c05aaed0 c05aa6d8 Broadcast message from systemd-journald@am57xx-evm (Mon 2019-09-09 03:11:40 UTC): kernel[470]: [ 126.357977] dea0: ed08b800 00000000 ee46e5d8 dfd40300 dfdbded4 dfdbdec0 c05c0eb8 c05aae98 Broadcast message from systemd-journald@am57xx-evm (Mon 2019-09-09 03:11:40 UTC): kernel[470]: [ 126.366190] dec0: ed08b800 00000000 dfdbdf14 dfdbded8 c05a1a48 c05c0e9c dfdbdf04 dfdbdee8 Broadcast message from systemd-journald@am57xx-evm (Mon 2019-09-09 03:11:40 UTC): kernel[470]: [ 126.374404] dee0: c035cf04 c0289190 dfd3bf00 dfd40300 ee261070 ee46e5d8 edd31110 00000000 Broadcast message from systemd-journald@am57xx-evm (Mon 2019-09-09 03:11:40 UTC): kernel[470]: [ 126.382616] df00: 00000008 ee261070 dfdbdf54 dfdbdf18 c033cffc c05a195c 00000000 00000000 Broadcast message from systemd-journald@am57xx-evm (Mon 2019-09-09 03:11:40 UTC): kernel[470]: [ 126.390828] df20: c0246d30 dfd40308 dfd40300 00000000 dfd90bf4 dfd906c0 c1057544 dfd90c10 Broadcast message from systemd-journald@am57xx-evm (Mon 2019-09-09 03:11:40 UTC): kernel[470]: [ 126.399041] df40: dfd40300 00000000 dfdbdf64 dfdbdf58 c033d1ac c033cf7c dfdbdf8c dfdbdf68 Broadcast message from systemd-journald@am57xx-evm (Mon 2019-09-09 03:11:40 UTC): kernel[470]: [ 126.407254] df60: c0246e74 c033d1a8 ffffe000 c0207e64 dfdbdfb0 00000006 c0207e64 dfdbc000 Broadcast message from systemd-journald@am57xx-evm (Mon 2019-09-09 03:11:40 UTC): kernel[470]: [ 126.415467] df80: dfdbdfac dfdbdf90 c020afb8 c0246de8 be95ea30 be95ea48 be95ea74 00000006 Broadcast message from systemd-journald@am57xx-evm (Mon 2019-09-09 03:11:40 UTC): kernel[470]: [ 126.423680] dfa0: 00000000 dfdbdfb0 c0207ce4 c020af04 00000000 be95ea10 00000003 0000002c Broadcast message from systemd-journald@am57xx-evm (Mon 2019-09-09 03:11:40 UTC): kernel[470]: [ 126.431892] dfc0: be95ea30 be95ea48 be95ea74 00000006 be95eacc be95ea38 b6f1f000 00000000 Broadcast message from systemd-journald@am57xx-evm (Mon 2019-09-09 03:11:40 UTC): kernel[470]: [ 126.440106] dfe0: 00000000 be95ea24 00011637 b645ca38 40070030 00000005 00000000 00000000 Broadcast message from systemd-journald@am57xx-evm (Mon 2019-09-09 03:11:40 UTC): kernel[470]: [ 126.623635] Code: e5904144 e3540000 0a000044 e5945088 (e5953000) ^C root@am57xx-evm:/nfs/arm_uart_tx_tray# root@am57xx-evm:/nfs/arm_uart_tx_tray# root@am57xx-evm:/nfs/arm_uart_tx_tray# ./arm_uart_tx_tray openUart(): /dev/ttyS0 /dev/ttyS0 Opened Successfully BaudRate = 115200 StopBits = 1 Parity = none openUart(): /dev/ttyS9 /dev/ttyS9 Opened Successfully BaudRate = 115200 StopBits = 1 Parity = none openUart(): /dev/ttyS8 /dev/ttyS8 Opened Successfully BaudRate = 115200 StopBits = 1 Parity = none openUart(): /dev/ttyS6 /dev/ttyS6 Opened Successfully BaudRate = 115200 StopBits = 1 Parity = none written to /dev/ttyS0 ff 03 11 00 14 32 Bytes written to /dev/ttyS0 +----------------------------------+ written to /dev/ttyS8 ff 03 11 00 14 32 Bytes written to /dev/ttyS8 +----------------------------------+ written to /dev/ttyS6 ff 03 11 00 14 32 Bytes written to /dev/ttyS6 +----------------------------------+ written to /dev/ttyS9 ff 03 11 00 14 32 Bytes written to /dev/ttyS9 +----------------------------------+ written to /dev/ttyS0 ff 03 21 00 24 32 Bytes written to /dev/ttyS0 +----------------------------------+ written to /dev/ttyS8 ff 03 21 00 24 32 Bytes written to /dev/ttyS8 +----------------------------------+ written to /dev/ttyS6 ff 03 21 00 24 32 Bytes written to /dev/ttyS6 +----------------------------------+ written to /dev/ttyS9 ff 03 21 00 24 32 Bytes written to /dev/ttyS9 +----------------------------------+ root@am57xx-evm:/nfs/arm_uart_tx_tray# root@am57xx-evm:/nfs/arm_uart_tx_tray#