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 MiB/s done Bytes transferred = 8026896 (7a7b10 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 - 0x7a7b10 ] ## 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-next-20170731-189275-g742f220 (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 Mon Jul 31 00:05:02 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 c157c640, 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 s39360 r8192 d22080 u69632 [ 0.000000] pcpu-alloc: s39360 r8192 d22080 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, 1553K rwdata, 4476K rodata, 2048K init, 404K 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 - 0xc1584460 (1554 kB) [ 0.000000] .bss : 0xc158dc98 - 0xc15f307c ( 405 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 [ 0.000010] 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 [ 0.003189] arch_timer: cp15 timer(s) running at 12.00MHz (virt). [ 0.003208] clocksource: arch_sys_counter: mask: 0xffffffffffffff max_cycles: 0x2c47f4ee7, max_idle_ns: 440795202497 ns [ 0.003227] sched_clock: 56 bits at 12MHz, resolution 83ns, wraps every 4398046511096ns [ 0.003241] Switching to timer-based delay loop, resolution 83ns [ 0.003639] Console: colour dummy device 80x30 [ 0.003673] Calibrating delay loop (skipped), value calculated using timer frequency.. 24.00 BogoMIPS (lpj=120000) [ 0.003693] pid_max: default: 32768 minimum: 301 [ 0.003797] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes) [ 0.003812] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes) [ 0.004318] CPU: Testing write buffer coherency: ok [ 0.004558] /cpus/cpu@0 missing clock-frequency property [ 0.004589] /cpus/cpu@1 missing clock-frequency property [ 0.004619] /cpus/cpu@2 missing clock-frequency property [ 0.004651] /cpus/cpu@3 missing clock-frequency property [ 0.004666] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000 [ 0.004970] Setting up static identity map for 0x80300000 - 0x803000a0 [ 0.006218] Hierarchical SRCU implementation. [ 0.007565] Tegra Revision: A01 SKU: 0 CPU Process: 1 SoC Process: 0 [ 0.008208] EFI services will not be available. [ 0.008361] smp: Bringing up secondary CPUs ... [ 0.008863] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001 [ 0.009434] CPU2: thread -1, cpu 2, socket 0, mpidr 80000002 [ 0.010004] CPU3: thread -1, cpu 3, socket 0, mpidr 80000003 [ 0.010094] smp: Brought up 1 node, 4 CPUs [ 0.010117] SMP: Total of 4 processors activated (96.00 BogoMIPS). [ 0.010126] CPU: All CPU(s) started in SVC mode. [ 0.011624] devtmpfs: initialized [ 0.019411] VFP support v0.3: implementor 41 architecture 4 part 30 variant f rev 0 [ 0.019713] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.019732] futex hash table entries: 1024 (order: 4, 65536 bytes) [ 0.021204] pinctrl core: initialized pinctrl subsystem [ 0.022475] DMI not present or invalid. [ 0.022664] random: get_random_u32 called from bucket_table_alloc+0xe8/0x254 with crng_init=0 [ 0.022757] NET: Registered protocol family 16 [ 0.024995] DMA: preallocated 256 KiB pool for atomic coherent allocations [ 0.026959] cpuidle: using governor menu [ 0.047360] No ATAGs? [ 0.047493] hw-breakpoint: found 5 (+1 reserved) breakpoint and 4 watchpoint registers. [ 0.047510] hw-breakpoint: maximum watchpoint size is 8 bytes. [ 0.052800] Serial: AMBA PL011 UART driver [ 0.053572] tegra-mc 70019000.memory-controller: no memory timings for RAM code 3 registered [ 0.067409] AT91: Could not find identification node [ 0.067887] dvdd_ts: Failed to request enable GPIO61: -517 [ 0.067908] reg-fixed-voltage regulators:regulator@1: Failed to register regulator: -517 [ 0.068017] usb1_vbus: Failed to request enable GPIO108: -517 [ 0.068032] reg-fixed-voltage regulators:regulator@3: Failed to register regulator: -517 [ 0.068137] usb2_vbus: Failed to request enable GPIO86: -517 [ 0.068151] reg-fixed-voltage regulators:regulator@4: Failed to register regulator: -517 [ 0.068582] VDD_5V0_HDMI_CON: Failed to request enable GPIO81: -517 [ 0.068598] reg-fixed-voltage regulators:regulator@7: Failed to register regulator: -517 [ 0.070934] vgaarb: loaded [ 0.071626] SCSI subsystem initialized [ 0.071800] libata version 3.00 loaded. [ 0.072011] usbcore: registered new interface driver usbfs [ 0.072063] usbcore: registered new interface driver hub [ 0.072133] usbcore: registered new device driver usb [ 0.075358] tps65090 2-0048: No cache defaults, reading back from HW [ 0.077277] TPS65090_RAILSDCDC1: supplied by vdd_ac_bat [ 0.078322] TPS65090_RAILSDCDC2: supplied by vdd_ac_bat [ 0.079370] TPS65090_RAILSDCDC3: supplied by vdd_ac_bat [ 0.079886] TPS65090_RAILSFET1: supplied by vdd_ac_bat [ 0.080250] TPS65090_RAILSFET2: supplied by vdd_ac_bat [ 0.080586] TPS65090_RAILSFET3: supplied by vdd-sys-3v3 [ 0.080781] random: fast init done [ 0.081110] TPS65090_RAILSFET4: supplied by vdd-sys-3v3 [ 0.081626] TPS65090_RAILSFET5: supplied by vdd-sys-3v3 [ 0.082129] TPS65090_RAILSFET6: supplied by vdd-sys-3v3 [ 0.082958] TPS65090_RAILSFET7: supplied by vdd-sys-3v3 [ 0.083495] TPS65090_RAILSLDO1: supplied by vdd_ac_bat [ 0.083689] TPS65090_RAILSLDO2: supplied by vdd_ac_bat [ 0.084586] palmas 2-0058: Irq flag is 0x00000004 [ 0.086529] palmas 2-0058: Muxing GPIO ff, PWM 0, LED 0 [ 0.089030] SMPS12: supplied by vdd-ao [ 0.090030] vdd_hdmi_5v0: supplied by vdd-sys-5v0 [ 0.090843] SMPS3: supplied by vdd-ao [ 0.092556] SMPS457: supplied by vdd-sys-3v3 [ 0.094200] SMPS6: supplied by regulator-dummy [ 0.095589] SMPS8: supplied by vdd-sys-3v3 [ 0.097166] SMPS9: supplied by vdd-sys-3v3 [ 0.097682] sdhci-vdd-sd-slot: Bringing 2840000uV into 2800000-2800000uV [ 0.099047] SMPS10_OUT2: supplied by regulator-dummy [ 0.099870] SMPS10_OUT1: supplied by regulator-dummy [ 0.100702] LDO1: supplied by vdd-sys-3v3 [ 0.101799] LDO2: supplied by vdd-sys-3v3 [ 0.102912] LDO3: supplied by vddio-1v8 [ 0.104025] LDO4: supplied by vdd-sys-3v3 [ 0.105123] LDO5: supplied by vdd_ac_bat [ 0.105800] LDO6: supplied by vdd-sys-3v3 [ 0.106314] vdd-sensor-2v85: Bringing 2900000uV into 2850000-2850000uV [ 0.107624] LDO7: supplied by vdd-sys-3v3 [ 0.109239] LDO8: supplied by vdd-ao [ 0.109766] vdd-rtc: Bringing 675000uV into 900000-900000uV [ 0.113902] LDO9: supplied by sdhci-vdd-sd-slot [ 0.124227] LDOLN: supplied by vdd-sys-5v0 [ 0.125334] LDOUSB: supplied by vdd-sys-5v0 [ 0.136506] pps_core: LinuxPPS API ver. 1 registered [ 0.136517] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 0.136540] PTP clock support registered [ 0.136722] EDAC MC: Ver: 3.0.0 [ 0.137021] dmi: Firmware registration failed. [ 0.138799] clocksource: Switched to clocksource arch_sys_counter [ 0.193348] NET: Registered protocol family 2 [ 0.193861] TCP established hash table entries: 8192 (order: 3, 32768 bytes) [ 0.193962] TCP bind hash table entries: 8192 (order: 4, 65536 bytes) [ 0.194151] TCP: Hash tables configured (established 8192 bind 8192) [ 0.194236] UDP hash table entries: 512 (order: 2, 16384 bytes) [ 0.194280] UDP-Lite hash table entries: 512 (order: 2, 16384 bytes) [ 0.194435] NET: Registered protocol family 1 [ 0.194807] RPC: Registered named UNIX socket transport module. [ 0.194819] RPC: Registered udp transport module. [ 0.194828] RPC: Registered tcp transport module. [ 0.194837] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 0.194851] PCI: CLS 0 bytes, default 64 [ 0.197064] workingset: timestamp_bits=30 max_order=19 bucket_order=0 [ 0.203037] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 0.203624] NFS: Registering the id_resolver key type [ 0.203654] Key type id_resolver registered [ 0.203664] Key type id_legacy registered [ 0.203708] ntfs: driver 2.1.32 [Flags: R/O]. [ 0.205289] bounce: pool size: 64 pages [ 0.205340] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 248) [ 0.205353] io scheduler noop registered [ 0.205363] io scheduler deadline registered [ 0.205572] io scheduler cfq registered (default) [ 0.205583] io scheduler mq-deadline registered [ 0.205593] io scheduler kyber registered [ 0.235520] tegra-apbdma 6000a000.dma: Tegra20 APB DMA driver register 32 channels [ 0.237984] tegra-pmc 7000e400.pmc: i2c-thermtrip node not found, emergency thermal reset disabled. [ 0.286722] Serial: 8250/16550 driver, 4 ports, IRQ sharing disabled [ 0.289319] console [ttyS0] disabled [ 0.289362] 70006300.serial: ttyS0 at MMIO 0x70006300 (irq = 329, base_baud = 25500000) is a Tegra [ 1.310980] console [ttyS0] enabled [ 1.315198] SuperH (H)SCI(F) driver initialized [ 1.320710] msm_serial: driver initialized [ 1.324967] STMicroelectronics ASC driver initialized [ 1.335610] tegra-hdmi 54280000.hdmi: failed to get HDMI regulator [ 1.357324] brd: module loaded [ 1.366504] loop: module loaded [ 1.386441] m25p80 spi32766.0: w25q32dw (4096 Kbytes) [ 1.394046] libphy: Fixed MDIO Bus: probed [ 1.399112] CAN device driver interface [ 1.403738] bgmac_bcma: Broadcom 47xx GBit MAC driver loaded [ 1.410582] e1000e: Intel(R) PRO/1000 Network Driver - 3.2.6-k [ 1.416406] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 1.422401] igb: Intel(R) Gigabit Ethernet Network Driver - version 5.4.0-k [ 1.429364] igb: Copyright (c) 2007-2014 Intel Corporation. [ 1.438252] pegasus: v0.9.3 (2013/04/25), Pegasus/Pegasus II USB Ethernet driver [ 1.445700] usbcore: registered new interface driver pegasus [ 1.451403] usbcore: registered new interface driver asix [ 1.456822] usbcore: registered new interface driver ax88179_178a [ 1.462959] usbcore: registered new interface driver cdc_ether [ 1.468841] usbcore: registered new interface driver smsc75xx [ 1.474624] usbcore: registered new interface driver smsc95xx [ 1.480408] usbcore: registered new interface driver net1080 [ 1.486087] usbcore: registered new interface driver cdc_subset [ 1.492038] usbcore: registered new interface driver zaurus [ 1.497647] usbcore: registered new interface driver cdc_ncm [ 1.505186] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 1.511721] ehci-pci: EHCI PCI platform driver [ 1.516192] ehci-platform: EHCI generic platform driver [ 1.521610] ehci-orion: EHCI orion driver [ 1.525755] SPEAr-ehci: EHCI SPEAr driver [ 1.529896] ehci-st: EHCI STMicroelectronics driver [ 1.534890] ehci-exynos: EHCI EXYNOS driver [ 1.539227] ehci-atmel: EHCI Atmel driver [ 1.543350] tegra-ehci: Tegra EHCI driver [ 1.547648] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 1.553853] ohci-pci: OHCI PCI platform driver [ 1.558328] ohci-platform: OHCI generic platform driver [ 1.563731] SPEAr-ohci: OHCI SPEAr driver [ 1.567861] ohci-st: OHCI STMicroelectronics driver [ 1.572867] ohci-atmel: OHCI Atmel driver [ 1.577511] usbcore: registered new interface driver usb-storage [ 1.589433] palmas-rtc 7000d000.i2c:tps65913@58:rtc: rtc core: registered 7000d000.i2c:tps65913@58:rtc as rtc0 [ 1.601234] tegra_rtc 7000e000.rtc: rtc core: registered 7000e000.rtc as rtc1 [ 1.608394] tegra_rtc 7000e000.rtc: Tegra internal Real Time Clock [ 1.615091] i2c /dev entries driver [ 1.624770] sbs-battery 0-000b: sbs_probe: Failed to get device status [ 1.631327] sbs-battery: probe of 0-000b failed with error -121 [ 1.647309] sdhci: Secure Digital Host Controller Interface driver [ 1.653513] sdhci: Copyright(c) Pierre Ossman [ 1.659275] Synopsys Designware Multimedia Card Interface Driver [ 1.666401] sdhci-pltfm: SDHCI platform and OF driver helper [ 1.672787] sdhci-tegra 78000400.sdhci: Got CD GPIO [ 1.677675] sdhci-tegra 78000400.sdhci: Got WP GPIO [ 1.690804] mmc0: Invalid maximum block size, assuming 512 bytes [ 1.758939] mmc0: SDHCI controller on 78000400.sdhci [78000400.sdhci] using ADMA [ 1.775645] mmc1: Invalid maximum block size, assuming 512 bytes [ 1.838842] mmc1: SDHCI controller on 78000600.sdhci [78000600.sdhci] using ADMA [ 1.847985] ledtrig-cpu: registered to indicate activity on CPUs [ 1.854369] usbcore: registered new interface driver usbhid [ 1.860027] usbhid: USB HID core driver [ 1.867795] NET: Registered protocol family 10 [ 1.873089] Segment Routing with IPv6 [ 1.876882] sit: IPv6, IPv4 and MPLS over IPv4 tunneling driver [ 1.883338] NET: Registered protocol family 17 [ 1.887783] can: controller area network core (rev 20170425 abi 9) [ 1.894044] NET: Registered protocol family 29 [ 1.898483] can: raw protocol (rev 20170425) [ 1.902764] can: broadcast manager protocol (rev 20170425 t) [ 1.908422] can: netlink gateway (rev 20170425) max_hops=1 [ 1.914193] Key type dns_resolver registered [ 1.918985] ThumbEE CPU extension supported. [ 1.923256] Registering SWP/SWPB emulation handler [ 1.941911] usb1_vbus: supplied by vdd-sys-5v0 [ 1.947394] mmc0: new high speed SDHC card at address aaaa [ 1.947482] usb2_vbus: supplied by vdd-sys-5v0 [ 1.949379] VDD_5V0_HDMI_CON: supplied by vdd-sys-5v0 [ 1.952931] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013). [ 1.952937] [drm] No driver support for vblank timestamp query. [ 1.975450] mmcblk0: mmc0:aaaa SL16G 14.8 GiB [ 1.994651] mmcblk0: p1 p2 p3 [ 1.995792] mmc1: new high speed MMC card at address 0001 [ 1.996371] mmcblk1: mmc1:0001 SEM32G 29.1 GiB [ 1.996867] mmcblk1boot0: mmc1:0001 SEM32G partition 1 4.00 MiB [ 1.997272] mmcblk1boot1: mmc1:0001 SEM32G partition 2 4.00 MiB [ 1.997772] mmcblk1rpmb: mmc1:0001 SEM32G partition 3 4.00 MiB [ 2.001056] mmcblk1: p1 p2 p3 p4 p5 p6 p7 p8 [ 2.048474] Console: switching to colour frame buffer device 240x75 [ 2.127674] drm drm: fb0: frame buffer device [ 2.132284] [drm] Initialized tegra 0.0.0 20120330 for drm on minor 0 [ 2.144775] tegra-ehci 7d008000.usb: EHCI Host Controller [ 2.150261] tegra-ehci 7d008000.usb: new USB bus registered, assigned bus number 1 [ 2.158073] tegra-ehci 7d008000.usb: irq 339, io mem 0x7d008000 [ 2.188922] tegra-ehci 7d008000.usb: USB 2.0 started, EHCI 1.10 [ 2.195954] hub 1-0:1.0: USB hub found [ 2.199829] hub 1-0:1.0: 1 port detected [ 2.205414] input: gpio-keys as /devices/soc0/gpio-keys/input/input0 [ 2.214094] palmas-rtc 7000d000.i2c:tps65913@58:rtc: setting system clock to 2001-05-24 18:47:13 UTC (990730033) [ 2.229872] dvdd_ts: disabling [ 2.232932] usb1_vbus: disabling [ 2.236157] vdd_cam_1v8_reg: disabling [ 2.241588] EXT4-fs (mmcblk1p1): mounting ext3 file system using the ext4 subsystem [ 2.290980] EXT4-fs (mmcblk1p1): recovery complete [ 2.296921] EXT4-fs (mmcblk1p1): mounted filesystem with ordered data mode. Opts: (null) [ 2.305113] VFS: Mounted root (ext3 filesystem) on device 179:17. [ 2.315744] devtmpfs: mounted [ 2.320583] 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):/# [ 2.568934] usb 1-1: new high-speed USB device number 2 using tegra-ehci