U-Boot SPL 2014.01-00219-gc4d376f (Feb 18 2014 - 19:57:32) U-Boot 2014.01-00219-gc4d376f (Feb 18 2014 - 19:57:32) TEGRA114 Board: NVIDIA Dalmore I2C: ready DRAM: 2 GiB MMC: Tegra SD/MMC: 0, Tegra SD/MMC: 1 In: serial Out: serial Err: serial Net: Net Initialization Skipped No ethernet found. Hit any key to stop autoboot: 2  0 Tegra114 (Dalmore) # Tegra114 (Dalmore) # usb reset (Re)start USB... USB0: USB EHCI 1.10 scanning bus 0 for devices... 2 USB Device(s) found scanning usb for storage devices... 0 Storage Device(s) found scanning usb for ethernet devices... Warning: asx0 using MAC address from net device 1 Ethernet Device(s) found Tegra114 (Dalmore) # setenv bootargs 'ignore_loglevel console=ttyS0,115200n8 rw root=PARTUUID=7369c667-ff51-ec4a-29cd-baabf2fbe346 rootwait gpt debug earlyprintk init=/bin/bash' Tegra114 (Dalmore) # setenv ipaddr 192.168.100.100; setenv serverip 192.168.100.1; setenv tftpserverip 192.168.100.1 Tegra114 (Dalmore) # tftpboot 0x81000000 zImage.multi_v7_defconfig Using asx0 device TFTP from server 192.168.100.1; our IP address is 192.168.100.100 Filename 'zImage.multi_v7_defconfig'. Load address: 0x81000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ########################### 3.2 MiB/s done Bytes transferred = 8020824 (7a6358 hex) Tegra114 (Dalmore) # tftpboot 0x82000000 tegra114-dalmore.dtb Using asx0 device TFTP from server 192.168.100.1; our IP address is 192.168.100.100 Filename 'tegra114-dalmore.dtb'. Load address: 0x82000000 Loading: *### 2.8 MiB/s done Bytes transferred = 35044 (88e4 hex) Tegra114 (Dalmore) # bootz 0x81000000 - 0x82000000 Kernel image @ 0x81000000 [ 0x000000 - 0x7a6358 ] ## Flattened Device Tree blob at 82000000 Booting using the fdt blob at 0x82000000 Loading Device Tree to 8fff4000, end 8ffff8e3 ... OK Starting kernel ... [ 0.000000] Booting Linux on physical CPU 0x0 [ 0.000000] Linux version 4.13.0-rc3-185607-g16f73eb (jonathanh@sellafield) (gcc version 4.7.3 20130328 (prerelease) (crosstool-NG linaro-1.13.1-4.7-2013.04-20130415 - Linaro GCC 2013.04)) #1 SMP Sun Jul 30 13:06:26 PDT 2017 [ 0.000000] CPU: ARMv7 Processor [412fc0f2] revision 2 (ARMv7), cr=10c5387d [ 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: NVIDIA Tegra114 Dalmore evaluation board [ 0.000000] debug: ignoring loglevel setting. [ 0.000000] Memory policy: Data cache writealloc [ 0.000000] efi: Getting EFI parameters from FDT: [ 0.000000] efi: UEFI not found. [ 0.000000] cma: Reserved 64 MiB at 0xfb800000 [ 0.000000] On node 0 totalpages: 524032 [ 0.000000] free_area_init_node: node 0, pgdat c157f1c0, node_mem_map eeff8000 [ 0.000000] DMA zone: 1536 pages used for memmap [ 0.000000] DMA zone: 0 pages reserved [ 0.000000] DMA zone: 196608 pages, LIFO batch:31 [ 0.000000] HighMem zone: 327424 pages, LIFO batch:31 [ 0.000000] percpu: Embedded 17 pages/cpu @eef98000 s39488 r8192 d21952 u69632 [ 0.000000] pcpu-alloc: s39488 r8192 d21952 u69632 alloc=17*4096 [ 0.000000] pcpu-alloc: [0] 0 [0] 1 [0] 2 [0] 3 [ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 522496 [ 0.000000] Kernel command line: ignore_loglevel console=ttyS0,115200n8 rw root=PARTUUID=7369c667-ff51-ec4a-29cd-baabf2fbe346 rootwait gpt debug earlyprintk init=/bin/bash [ 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: 1993552K/2096128K available (10240K kernel code, 1563K rwdata, 4452K rodata, 2048K init, 402K bss, 37040K reserved, 65536K cma-reserved, 1244160K 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 : 0xc0208000 - 0xc0d00000 (11232 kB) [ 0.000000] .init : 0xc1200000 - 0xc1400000 (2048 kB) [ 0.000000] .data : 0xc1400000 - 0xc1586fa8 (1564 kB) [ 0.000000] .bss : 0xc158fcb0 - 0xc15f46fc ( 403 kB) [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.000000] Hierarchical RCU implementation. [ 0.000000] RCU event tracing is enabled. [ 0.000000] RCU restricting CPUs from NR_CPUS=16 to nr_cpu_ids=4. [ 0.000000] RCU: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 [ 0.000000] NR_IRQS: 16, nr_irqs: 16, preallocated irqs: 16 [ 0.000000] /interrupt-controller@60004000: 160 interrupts forwarded to /interrupt-controller@50041000 [ 0.000000] Tegra clk 127: register failed with -17 [ 0.000009] sched_clock: 32 bits at 1000kHz, resolution 1000ns, wraps every 2147483647500ns [ 0.000030] clocksource: timer_us: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275 ns [ 0.000045] Switching to timer-based delay loop, resolution 1000ns [ 0.003126] arch_timer: cp15 timer(s) running at 12.00MHz (virt). [ 0.003144] clocksource: arch_sys_counter: mask: 0xffffffffffffff max_cycles: 0x2c47f4ee7, max_idle_ns: 440795202497 ns [ 0.003164] sched_clock: 56 bits at 12MHz, resolution 83ns, wraps every 4398046511096ns [ 0.003179] Switching to timer-based delay loop, resolution 83ns [ 0.003584] Console: colour dummy device 80x30 [ 0.003615] Calibrating delay loop (skipped), value calculated using timer frequency.. 24.00 BogoMIPS (lpj=120000) [ 0.003634] pid_max: default: 32768 minimum: 301 [ 0.003727] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes) [ 0.003742] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes) [ 0.004219] CPU: Testing write buffer coherency: ok [ 0.004455] /cpus/cpu@0 missing clock-frequency property [ 0.004486] /cpus/cpu@1 missing clock-frequency property [ 0.004517] /cpus/cpu@2 missing clock-frequency property [ 0.004548] /cpus/cpu@3 missing clock-frequency property [ 0.004562] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000 [ 0.004861] Setting up static identity map for 0x80300000 - 0x803000a0 [ 0.006103] Hierarchical SRCU implementation. [ 0.007454] Tegra Revision: A01 SKU: 0 CPU Process: 1 SoC Process: 0 [ 0.008103] EFI services will not be available. [ 0.008254] smp: Bringing up secondary CPUs ... [ 0.008839] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001 [ 0.009512] CPU2: thread -1, cpu 2, socket 0, mpidr 80000002 [ 0.010169] CPU3: thread -1, cpu 3, socket 0, mpidr 80000003 [ 0.010260] smp: Brought up 1 node, 4 CPUs [ 0.010282] SMP: Total of 4 processors activated (96.00 BogoMIPS). [ 0.010291] CPU: All CPU(s) started in SVC mode. [ 0.011775] devtmpfs: initialized [ 0.020663] VFP support v0.3: implementor 41 architecture 4 part 30 variant f rev 0 [ 0.021004] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.021024] futex hash table entries: 1024 (order: 4, 65536 bytes) [ 0.022472] pinctrl core: initialized pinctrl subsystem [ 0.023952] DMI not present or invalid. [ 0.024135] random: get_random_u32 called from bucket_table_alloc+0xe8/0x254 with crng_init=0 [ 0.024230] NET: Registered protocol family 16 [ 0.026443] DMA: preallocated 256 KiB pool for atomic coherent allocations [ 0.028645] cpuidle: using governor menu [ 0.051654] No ATAGs? [ 0.051783] hw-breakpoint: found 5 (+1 reserved) breakpoint and 4 watchpoint registers. [ 0.051799] hw-breakpoint: maximum watchpoint size is 8 bytes. [ 0.057211] Serial: AMBA PL011 UART driver [ 0.057949] tegra-mc 70019000.memory-controller: no memory timings for RAM code 3 registered [ 0.073338] AT91: Could not find identification node [ 0.073835] dvdd_ts: Failed to request enable GPIO61: -517 [ 0.073856] reg-fixed-voltage regulators:regulator@1: Failed to register regulator: -517 [ 0.073968] usb1_vbus: Failed to request enable GPIO108: -517 [ 0.073984] reg-fixed-voltage regulators:regulator@3: Failed to register regulator: -517 [ 0.074092] usb2_vbus: Failed to request enable GPIO86: -517 [ 0.074106] reg-fixed-voltage regulators:regulator@4: Failed to register regulator: -517 [ 0.074543] VDD_5V0_HDMI_CON: Failed to request enable GPIO81: -517 [ 0.074559] reg-fixed-voltage regulators:regulator@7: Failed to register regulator: -517 [ 0.077001] vgaarb: loaded [ 0.077756] SCSI subsystem initialized [ 0.077925] libata version 3.00 loaded. [ 0.078151] usbcore: registered new interface driver usbfs [ 0.078206] usbcore: registered new interface driver hub [ 0.078276] usbcore: registered new device driver usb [ 0.081536] tps65090 2-0048: No cache defaults, reading back from HW [ 0.083490] TPS65090_RAILSDCDC1: supplied by vdd_ac_bat [ 0.084563] TPS65090_RAILSDCDC2: supplied by vdd_ac_bat [ 0.085635] TPS65090_RAILSDCDC3: supplied by vdd_ac_bat [ 0.086166] TPS65090_RAILSFET1: supplied by vdd_ac_bat [ 0.086541] TPS65090_RAILSFET2: supplied by vdd_ac_bat [ 0.086902] TPS65090_RAILSFET3: supplied by vdd-sys-3v3 [ 0.087099] random: fast init done [ 0.087437] TPS65090_RAILSFET4: supplied by vdd-sys-3v3 [ 0.087976] TPS65090_RAILSFET5: supplied by vdd-sys-3v3 [ 0.088497] TPS65090_RAILSFET6: supplied by vdd-sys-3v3 [ 0.089339] TPS65090_RAILSFET7: supplied by vdd-sys-3v3 [ 0.089880] TPS65090_RAILSLDO1: supplied by vdd_ac_bat [ 0.090088] TPS65090_RAILSLDO2: supplied by vdd_ac_bat [ 0.090994] palmas 2-0058: Irq flag is 0x00000004 [ 0.092956] palmas 2-0058: Muxing GPIO ff, PWM 0, LED 0 [ 0.095522] SMPS12: supplied by vdd-ao [ 0.096546] vdd_hdmi_5v0: supplied by vdd-sys-5v0 [ 0.097364] SMPS3: supplied by vdd-ao [ 0.099117] SMPS457: supplied by vdd-sys-3v3 [ 0.100770] SMPS6: supplied by regulator-dummy [ 0.102196] SMPS8: supplied by vdd-sys-3v3 [ 0.103824] SMPS9: supplied by vdd-sys-3v3 [ 0.104344] sdhci-vdd-sd-slot: Bringing 2840000uV into 2800000-2800000uV [ 0.105746] SMPS10_OUT2: supplied by regulator-dummy [ 0.106606] SMPS10_OUT1: supplied by regulator-dummy [ 0.107469] LDO1: supplied by vdd-sys-3v3 [ 0.108602] LDO2: supplied by vdd-sys-3v3 [ 0.109751] LDO3: supplied by vddio-1v8 [ 0.110869] LDO4: supplied by vdd-sys-3v3 [ 0.112003] LDO5: supplied by vdd_ac_bat [ 0.112705] LDO6: supplied by vdd-sys-3v3 [ 0.113221] vdd-sensor-2v85: Bringing 2900000uV into 2850000-2850000uV [ 0.114608] LDO7: supplied by vdd-sys-3v3 [ 0.116257] LDO8: supplied by vdd-ao [ 0.116787] vdd-rtc: Bringing 675000uV into 900000-900000uV [ 0.123966] LDO9: supplied by sdhci-vdd-sd-slot [ 0.134280] LDOLN: supplied by vdd-sys-5v0 [ 0.135423] LDOUSB: supplied by vdd-sys-5v0 [ 0.146606] pps_core: LinuxPPS API ver. 1 registered [ 0.146618] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 0.146641] PTP clock support registered [ 0.146833] EDAC MC: Ver: 3.0.0 [ 0.147158] dmi: Firmware registration failed. [ 0.149043] clocksource: Switched to clocksource arch_sys_counter [ 0.204909] NET: Registered protocol family 2 [ 0.205429] TCP established hash table entries: 8192 (order: 3, 32768 bytes) [ 0.205529] TCP bind hash table entries: 8192 (order: 4, 65536 bytes) [ 0.205717] TCP: Hash tables configured (established 8192 bind 8192) [ 0.205802] UDP hash table entries: 512 (order: 2, 16384 bytes) [ 0.205846] UDP-Lite hash table entries: 512 (order: 2, 16384 bytes) [ 0.206001] NET: Registered protocol family 1 [ 0.206365] RPC: Registered named UNIX socket transport module. [ 0.206377] RPC: Registered udp transport module. [ 0.206386] RPC: Registered tcp transport module. [ 0.206395] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 0.206409] PCI: CLS 0 bytes, default 64 [ 0.208728] workingset: timestamp_bits=30 max_order=19 bucket_order=0 [ 0.217270] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 0.218013] NFS: Registering the id_resolver key type [ 0.218041] Key type id_resolver registered [ 0.218051] Key type id_legacy registered [ 0.218095] ntfs: driver 2.1.32 [Flags: R/O]. [ 0.219799] bounce: pool size: 64 pages [ 0.219849] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 248) [ 0.219861] io scheduler noop registered [ 0.219871] io scheduler deadline registered [ 0.220039] io scheduler cfq registered (default) [ 0.220050] io scheduler mq-deadline registered [ 0.220059] io scheduler kyber registered [ 0.251318] tegra-apbdma 6000a000.dma: Tegra20 APB DMA driver register 32 channels [ 0.253679] tegra-pmc 7000e400.pmc: i2c-thermtrip node not found, emergency thermal reset disabled. [ 0.311130] Serial: 8250/16550 driver, 4 ports, IRQ sharing disabled [ 0.313859] console [ttyS0] disabled [ 0.313902] 70006300.serial: ttyS0 at MMIO 0x70006300 (irq = 329, base_baud = 25500000) is a Tegra [ 1.334149] console [ttyS0] enabled [ 1.338373] SuperH (H)SCI(F) driver initialized [ 1.343884] msm_serial: driver initialized [ 1.348147] STMicroelectronics ASC driver initialized [ 1.358822] tegra-hdmi 54280000.hdmi: failed to get HDMI regulator [ 1.381942] brd: module loaded [ 1.391848] loop: module loaded [ 1.412023] m25p80 spi32766.0: w25q32dw (4096 Kbytes) [ 1.419971] libphy: Fixed MDIO Bus: probed [ 1.425115] CAN device driver interface [ 1.429838] bgmac_bcma: Broadcom 47xx GBit MAC driver loaded [ 1.436678] e1000e: Intel(R) PRO/1000 Network Driver - 3.2.6-k [ 1.442518] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 1.448481] igb: Intel(R) Gigabit Ethernet Network Driver - version 5.4.0-k [ 1.455447] igb: Copyright (c) 2007-2014 Intel Corporation. [ 1.464421] pegasus: v0.9.3 (2013/04/25), Pegasus/Pegasus II USB Ethernet driver [ 1.471876] usbcore: registered new interface driver pegasus [ 1.477574] usbcore: registered new interface driver asix [ 1.483014] usbcore: registered new interface driver ax88179_178a [ 1.489151] usbcore: registered new interface driver cdc_ether [ 1.495027] usbcore: registered new interface driver smsc75xx [ 1.500830] usbcore: registered new interface driver smsc95xx [ 1.506600] usbcore: registered new interface driver net1080 [ 1.512303] usbcore: registered new interface driver cdc_subset [ 1.518246] usbcore: registered new interface driver zaurus [ 1.523877] usbcore: registered new interface driver cdc_ncm [ 1.531472] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 1.537990] ehci-pci: EHCI PCI platform driver [ 1.542484] ehci-platform: EHCI generic platform driver [ 1.547888] ehci-orion: EHCI orion driver [ 1.552054] SPEAr-ehci: EHCI SPEAr driver [ 1.556185] ehci-st: EHCI STMicroelectronics driver [ 1.561197] ehci-exynos: EHCI EXYNOS driver [ 1.565516] ehci-atmel: EHCI Atmel driver [ 1.569662] tegra-ehci: Tegra EHCI driver [ 1.573966] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 1.580165] ohci-pci: OHCI PCI platform driver [ 1.584642] ohci-platform: OHCI generic platform driver [ 1.590054] SPEAr-ohci: OHCI SPEAr driver [ 1.594186] ohci-st: OHCI STMicroelectronics driver [ 1.599198] ohci-atmel: OHCI Atmel driver [ 1.603879] usbcore: registered new interface driver usb-storage [ 1.615826] palmas-rtc 7000d000.i2c:tps65913@58:rtc: rtc core: registered 7000d000.i2c:tps65913@58:rtc as rtc0 [ 1.627640] tegra_rtc 7000e000.rtc: rtc core: registered 7000e000.rtc as rtc1 [ 1.634862] tegra_rtc 7000e000.rtc: Tegra internal Real Time Clock [ 1.641551] i2c /dev entries driver [ 1.651458] sbs-battery 0-000b: sbs_probe: Failed to get device status [ 1.657993] sbs-battery: probe of 0-000b failed with error -121 [ 1.674205] sdhci: Secure Digital Host Controller Interface driver [ 1.680404] sdhci: Copyright(c) Pierre Ossman [ 1.686150] Synopsys Designware Multimedia Card Interface Driver [ 1.693327] sdhci-pltfm: SDHCI platform and OF driver helper [ 1.699718] sdhci-tegra 78000400.sdhci: Got CD GPIO [ 1.704605] sdhci-tegra 78000400.sdhci: Got WP GPIO [ 1.717740] mmc0: Invalid maximum block size, assuming 512 bytes [ 1.789189] mmc0: SDHCI controller on 78000400.sdhci [78000400.sdhci] using ADMA [ 1.805848] mmc1: Invalid maximum block size, assuming 512 bytes [ 1.869086] mmc1: SDHCI controller on 78000600.sdhci [78000600.sdhci] using ADMA [ 1.878260] ledtrig-cpu: registered to indicate activity on CPUs [ 1.884661] usbcore: registered new interface driver usbhid [ 1.890247] usbhid: USB HID core driver [ 1.897917] NET: Registered protocol family 10 [ 1.903304] Segment Routing with IPv6 [ 1.907020] sit: IPv6, IPv4 and MPLS over IPv4 tunneling driver [ 1.913571] NET: Registered protocol family 17 [ 1.918017] can: controller area network core (rev 20170425 abi 9) [ 1.924270] NET: Registered protocol family 29 [ 1.928710] can: raw protocol (rev 20170425) [ 1.932999] can: broadcast manager protocol (rev 20170425 t) [ 1.938657] can: netlink gateway (rev 20170425) max_hops=1 [ 1.944470] Key type dns_resolver registered [ 1.949375] ThumbEE CPU extension supported. [ 1.953645] Registering SWP/SWPB emulation handler [ 1.972310] usb1_vbus: supplied by vdd-sys-5v0 [ 1.975160] mmc0: new high speed SDHC card at address aaaa [ 1.975639] mmcblk0: mmc0:aaaa SL16G 14.8 GiB [ 1.987768] usb2_vbus: supplied by vdd-sys-5v0 [ 1.995715] VDD_5V0_HDMI_CON: supplied by vdd-sys-5v0 [ 2.003258] mmcblk0: p1 p2 p3 [ 2.008691] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013). [ 2.015354] [drm] No driver support for vblank timestamp query. [ 2.025857] mmc1: new high speed MMC card at address 0001 [ 2.031902] mmcblk1: mmc1:0001 SEM32G 29.1 GiB [ 2.036726] mmcblk1boot0: mmc1:0001 SEM32G partition 1 4.00 MiB [ 2.042902] mmcblk1boot1: mmc1:0001 SEM32G partition 2 4.00 MiB [ 2.049134] mmcblk1rpmb: mmc1:0001 SEM32G partition 3 4.00 MiB [ 2.053877] mmcblk1: p1 p2 p3 p4 p5 p6 p7 p8 [ 2.117058] Console: switching to colour frame buffer device 240x75 [ 2.166788] drm drm: fb0: frame buffer device [ 2.171378] [drm] Initialized tegra 0.0.0 20120330 for drm on minor 0 [ 2.184024] tegra-ehci 7d008000.usb: EHCI Host Controller [ 2.189487] tegra-ehci 7d008000.usb: new USB bus registered, assigned bus number 1 [ 2.197310] tegra-ehci 7d008000.usb: irq 339, io mem 0x7d008000 [ 2.229180] tegra-ehci 7d008000.usb: USB 2.0 started, EHCI 1.10 [ 2.236349] hub 1-0:1.0: USB hub found [ 2.240217] hub 1-0:1.0: 1 port detected [ 2.245896] input: gpio-keys as /devices/soc0/gpio-keys/input/input0 [ 2.254825] palmas-rtc 7000d000.i2c:tps65913@58:rtc: setting system clock to 2001-05-24 07:48:39 UTC (990690519) [ 2.271159] dvdd_ts: disabling [ 2.274218] usb1_vbus: disabling [ 2.277442] vdd_cam_1v8_reg: disabling [ 2.282881] EXT4-fs (mmcblk1p1): mounting ext3 file system using the ext4 subsystem [ 2.365533] EXT4-fs (mmcblk1p1): recovery complete [ 2.372075] EXT4-fs (mmcblk1p1): mounted filesystem with ordered data mode. Opts: (null) [ 2.380256] VFS: Mounted root (ext3 filesystem) on device 179:17. [ 2.389319] devtmpfs: mounted [ 2.394191] Freeing unused kernel memory: 2048K bash: cannot set terminal process group (-1): Inappropriate ioctl for device bash: no job control in this shell root@(none):/# [ 2.599253] usb 1-1: new high-speed USB device number 2 using tegra-ehci