Above information comes from a boot up with a USB mouse attached and an Ethernet cable plugged in. And after I reset the board, it even can't boot up with any display on my monitor. Therefore, I plugged out the USB mouse and reset the board again, then the display came out but I finally got the same snapshot as I attached previously. I have checked the MD5SUM of the packages I downloaded, and they all matched. The version of Linaro Image Tool I used is 514. However, even that "Encryption Unsuccessful" continuously showed up, I still can enter the serial console and do something, such like run "busybox top". Then I re-flashed my SD card and tried again, this time, I got another frozen screen - refer to attachment, and the console output is here: ############################################## Welcome to minicom 2.4 OPTIONS: I18n Compiled on Jun 3 2010, 13:48:00. Port /dev/ttyUSB0 Press CTRL-A Z for help on special keys U-Boot 2012.04.01 (May 07 2012 - 05:30:13) Board: MX53 LOCO I2C: ready DRAM: 1 GiB WARNING: Caches not enabled MMC: FSL_SDHC: 0, FSL_SDHC: 1 *** Warning - bad CRC, using default environment In: serial Out: serial Err: serial CPU: Freescale i.MX53 family rev2.1 at 1000 MHz Reset cause: POR Net: FEC Hit any key to stop autoboot: 0 reading boot.scr 408 bytes read Running bootscript from mmc ... ## Executing script at 70800000 reading uImage 4115936 bytes read reading uInitrd 190252 bytes read ## Booting kernel from Legacy Image at 70000000 ... Image Name: Linux-3.1.0-rc9+ Image Type: ARM Linux Kernel Image (uncompressed) Data Size: 4115872 Bytes = 3.9 MiB Load Address: 70008000 Entry Point: 70008000 Verifying Checksum ... OK ## Loading init Ramdisk from Legacy Image at 72000000 ... Image Name: Android Ramdisk Image Image Type: ARM Linux RAMDisk Image (gzip compressed) Data Size: 190188 Bytes = 185.7 KiB Load Address: 00000000 Entry Point: 00000000 Verifying Checksum ... OK Loading Kernel Image ... OK OK Starting kernel ... Uncompressing Linux... done, booting the kernel. [ 0.000000] Initializing cgroup subsys cpuset [ 0.000000] Linux version 3.1.0-rc9+ (jenkins-build@ip-10-226-91-125) (gcc v2 [ 0.000000] CPU: ARMv7 Processor [412fc085] revision 5 (ARMv7), cr=10c5387f [ 0.000000] CPU: VIPT nonaliasing data cache, VIPT aliasing instruction cache [ 0.000000] Machine: Freescale MX53 LOCO Board [ 0.000000] Memory policy: ECC disabled, Data cache writeback [ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pa8 [ 0.000000] Kernel command line: console=ttymxc0,115200n8 rootwait ro earlyp [ 0.000000] [ 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: 512MB 448MB = 960MB total [ 0.000000] Memory: 958700k/958700k available, 89876k reserved, 458752K highm [ 0.000000] Virtual kernel memory layout: [ 0.000000] vector : 0xffff0000 - 0xffff1000 ( 4 kB) [ 0.000000] fixmap : 0xfff00000 - 0xfffe0000 ( 896 kB) [ 0.000000] DMA : 0xf7e00000 - 0xffe00000 ( 128 MB) [ 0.000000] vmalloc : 0xe0800000 - 0xf4000000 ( 312 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 - 0xc07d3dd8 (7984 kB) [ 0.000000] .init : 0xc07d4000 - 0xc0821000 ( 308 kB) [ 0.000000] .data : 0xc0822000 - 0xc08821b0 ( 385 kB) [ 0.000000] .bss : 0xc08821d4 - 0xc0f192b0 (6749 kB) [ 0.000000] Preemptible hierarchical RCU implementation. [ 0.000000] NR_IRQS:400 [ 0.000000] TrustZone Interrupt Controller (TZIC) initialized [ 0.000000] sched_clock: 32 bits at 8MHz, resolution 125ns, wraps every 5368s [ 0.000000] Console: colour dummy device 80x30 [ 0.000000] ram_console: buffer (null), invalid size 0, datasize 4294967284 [ 0.000000] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingr [ 0.000000] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.000000] ... MAX_LOCK_DEPTH: 48 [ 0.000000] ... MAX_LOCKDEP_KEYS: 8191 [ 0.000000] ... CLASSHASH_SIZE: 4096 [ 0.000000] ... MAX_LOCKDEP_ENTRIES: 16384 [ 0.000000] ... MAX_LOCKDEP_CHAINS: 32768 [ 0.000000] ... CHAINHASH_SIZE: 16384 [ 0.000000] memory used by lock dependency info: 3695 kB [ 0.000000] per task-struct memory footprint: 1152 bytes [ 0.001376] Calibrating delay loop... 996.14 BogoMIPS (lpj=4980736) [ 0.090705] pid_max: default: 32768 minimum: 301 [ 0.091336] Security Framework initialized [ 0.091587] Mount-cache hash table entries: 512 [ 0.098536] CPU: Testing write buffer coherency: ok [ 0.098806] ftrace: allocating 21116 entries in 63 pages [ 0.128981] hw perfevents: enabled with ARMv7 Cortex-A8 PMU driver, 5 countee [ 0.136305] devtmpfs: initialized [ 0.159379] print_constraints: dummy: [ 0.163006] NET: Registered protocol family 16 [ 0.275048] hw-breakpoint: debug architecture 0x4 unsupported. [ 0.278186] IMX usb wakeup probe [ 0.279865] IMX usb wakeup probe [ 0.480039] bio: create slab at 0 [ 0.496784] SCSI subsystem initialized [ 0.507698] usbcore: registered new interface driver usbfs [ 0.510204] usbcore: registered new interface driver hub [ 0.512561] usbcore: registered new device driver usb [ 0.531803] print_constraints: VDDA: 3200 mV [ 0.548193] print_constraints: DA9052_LDO1: 600 <--> 1800 mV at 1300 mV norm [ 0.550921] print_constraints: DA9052_LDO2: 600 <--> 1800 mV at 1300 mV norm [ 0.554354] print_constraints: DA9052_LDO3: 1725 <--> 3300 mV at 3300 mV nor [ 0.557057] print_constraints: DA9052_LDO4: 1725 <--> 3300 mV at 2775 mV nor [ 0.559873] print_constraints: DA9052_LDO5: 1200 <--> 3600 mV at 1300 mV nor [ 0.563034] print_constraints: DA9052_LDO6: 1200 <--> 3600 mV at 1300 mV nor [ 0.566065] print_constraints: DA9052_LDO7: 1200 <--> 3600 mV at 2750 mV nor [ 0.568758] print_constraints: DA9052_LDO8: 1200 <--> 3600 mV at 1800 mV nor [ 0.571926] print_constraints: DA9052_LDO9: 1250 <--> 3650 mV at 1500 mV nor [ 0.574789] print_constraints: DA9052_LDO10: 1200 <--> 3600 mV at 1300 mV no [ 0.577547] print_constraints: DA9052_BUCK_CORE: 500 <--> 2075 mV at 1250 mV [ 0.580389] print_constraints: DA9052_BUCK_PRO: 500 <--> 2075 mV at 1350 mV [ 0.583546] print_constraints: DA9052_BUCK_MEM: 925 <--> 2500 mV at 1500 mV [ 0.586616] print_constraints: DA9052_BUCK_PERI: 925 <--> 2500 mV at 2475 mV [ 0.622204] imx-ipuv3 imx-ipuv3.0: IPU DMFC NORMAL mode: 1(0~1), 5B(4,5), 5F) [ 0.632109] Advanced Linux Sound Architecture Driver Version 1.0.24. [ 0.639126] NetLabel: Initializing [ 0.639159] NetLabel: domain hash size = 128 [ 0.639173] NetLabel: protocols = UNLABELED CIPSOv4 [ 0.639709] NetLabel: unlabeled traffic allowed by default [ 0.639891] Switching to clocksource mxc_timer1 [ 0.642232] Switched to NOHz mode on CPU #0 [ 0.902914] NET: Registered protocol family 2 [ 0.904019] IP route cache hash table entries: 16384 (order: 4, 65536 bytes) [ 0.907237] TCP established hash table entries: 65536 (order: 7, 524288 byte) [ 0.909056] TCP bind hash table entries: 65536 (order: 9, 2359296 bytes) [ 0.939761] TCP: Hash tables configured (established 65536 bind 65536) [ 0.940171] TCP reno registered [ 0.940254] UDP hash table entries: 256 (order: 2, 20480 bytes) [ 0.940543] UDP-Lite hash table entries: 256 (order: 2, 20480 bytes) [ 0.941742] NET: Registered protocol family 1 [ 0.944409] RPC: Registered named UNIX socket transport module. [ 0.944448] RPC: Registered udp transport module. [ 0.944465] RPC: Registered tcp transport module. [ 0.944483] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 0.946100] Trying to unpack rootfs image as initramfs... [ 0.971539] Freeing initrd memory: 184K [ 0.974247] Bus freq driver module loaded [ 0.975660] sdram autogating driver module loaded [ 0.976367] i.MXC CPU frequency driver [ 0.980156] DVFS driver module loaded [ 0.983780] audit: initializing netlink socket (disabled) [ 0.984416] type=2000 audit(0.940:1): initialized [ 1.067983] Kprobe smoke test started [ 1.090498] Kprobe smoke test passed successfully [ 1.126471] highmem bounce pool size: 64 pages [ 1.130433] ashmem: initialized [ 1.137652] JFFS2 version 2.2. (NAND) (SUMMARY) �© 2001-2006 Red Hat, Inc. [ 1.141968] Btrfs loaded [ 1.142120] msgmni has been set to 976 [ 1.150975] Block layer SCSI generic (bsg) driver version 0.4 loaded (major ) [ 1.151263] io scheduler noop registered [ 1.151296] io scheduler deadline registered [ 1.151603] io scheduler cfq registered (default) [ 1.160374] mxc_sdc_fb mxc_sdc_fb.0: register mxc display driver hdmi [ 1.201098] sii902x 1-0039: cound not find device [ 1.206357] mxc_sdc_fb mxc_sdc_fb.0: register mxc display driver failed with2 [ 1.206561] mxc_sdc_fb: probe of mxc_sdc_fb.0 failed with error -22 [ 1.206718] mxc_sdc_fb mxc_sdc_fb.1: register mxc display driver vga [ 1.207117] _regulator_get: get() with no identifier [ 1.209409] imx-ipuv3 imx-ipuv3.0: Channel already disabled 9 [ 1.209447] imx-ipuv3 imx-ipuv3.0: Channel already uninitialized 9 [ 1.250169] imx-ipuv3 imx-ipuv3.0: IPU DMFC DP HIGH RESOLUTION: 1(0,1), 5B(2) [ 1.307364] Console: switching to colour frame buffer device 128x48 [ 1.314380] imx-ipuv3 imx-ipuv3.0: Channel already disabled 10 [ 1.314419] imx-ipuv3 imx-ipuv3.0: Channel already uninitialized 10 [ 1.321482] imx-sdma imx35-sdma: loaded firmware 1.0 [ 1.372131] imx-sdma imx35-sdma: initialized [ 1.375648] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 1.461596] Serial: IMX driver [ 1.462423] imx21-uart.0: ttymxc0 at MMIO 0x53fbc000 (irq = 31) is a IMX [ 2.207415] console [ttymxc0] enabled [ 2.301300] brd: module loaded [ 2.343440] loop: module loaded [ 2.348595] Android kernel panic handler initialized (bind=kpanic) [ 2.366998] mtdoops: mtd device (mtddev=name/number) must be supplied [ 2.388627] FEC Ethernet Driver [ 2.405607] fec_enet_mii_bus: probed [ 2.417965] usbcore: registered new interface driver asix [ 2.424986] usbcore: registered new interface driver cdc_ether [ 2.432621] usbcore: registered new interface driver smsc95xx [ 2.439795] usbcore: registered new interface driver net1080 [ 2.446898] usbcore: registered new interface driver cdc_subset [ 2.454548] usbcore: registered new interface driver zaurus [ 2.460623] cdc_ncm: 04-Aug-2011 [ 2.465044] usbcore: registered new interface driver cdc_ncm [ 2.474892] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 2.590105] fsl-ehci fsl-ehci.1: Freescale On-Chip EHCI Host Controller [ 2.603101] fsl-ehci fsl-ehci.1: new USB bus registered, assigned bus number1 [ 2.640238] fsl-ehci fsl-ehci.1: irq 14, io base 0x53f80200 [ 2.660215] fsl-ehci fsl-ehci.1: USB 2.0 started, EHCI 1.00 [ 2.668135] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002 [ 2.675111] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber1 [ 2.682454] usb usb1: Product: Freescale On-Chip EHCI Host Controller [ 2.688919] usb usb1: Manufacturer: Linux 3.1.0-rc9+ ehci_hcd [ 2.694881] usb usb1: SerialNumber: fsl-ehci.1 [ 2.708291] hub 1-0:1.0: USB hub found [ 2.712837] hub 1-0:1.0: 1 port detected [ 2.830148] fsl-ehci fsl-ehci.0: Freescale On-Chip EHCI Host Controller [ 2.839143] fsl-ehci fsl-ehci.0: new USB bus registered, assigned bus number2 [ 2.870233] fsl-ehci fsl-ehci.0: irq 18, io base 0x53f80000 [ 2.890090] fsl-ehci fsl-ehci.0: USB 2.0 started, EHCI 1.00 [ 2.896466] usb usb2: New USB device found, idVendor=1d6b, idProduct=0002 [ 2.903422] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber1 [ 2.910764] usb usb2: Product: Freescale On-Chip EHCI Host Controller [ 2.917226] usb usb2: Manufacturer: Linux 3.1.0-rc9+ ehci_hcd [ 2.923085] usb usb2: SerialNumber: fsl-ehci.0 [ 2.932264] hub 2-0:1.0: USB hub found [ 2.936137] hub 2-0:1.0: 1 port detected [ 2.946163] usbcore: registered new interface driver cdc_wdm [ 2.952297] Initializing USB Mass Storage driver... [ 2.958495] usbcore: registered new interface driver usb-storage [ 2.965072] USB Mass Storage support registered. [ 2.972750] usbcore: registered new interface driver libusual [ 2.980390] usbcore: registered new interface driver usbtest [ 2.997905] mxc_rtc mxc_rtc.0: hardware module can't be enabled! [ 3.004773] mxc_rtc: probe of mxc_rtc.0 failed with error -5 [ 3.022089] using rtc device, mxc_rtc, for alarms [ 3.026777] mxc_rtc mxc_rtc.0: rtc core: registered mxc_rtc as rtc0 [ 3.035049] i2c /dev entries driver [ 3.046974] Driver for 1-wire Dallas network protocol. [ 3.068347] imx2-wdt imx2-wdt.0: IMX2+ Watchdog Timer enabled. timeout=60s () [ 3.082100] device-mapper: ioctl: 4.21.0-ioctl (2011-07-06) initialised: dm-m [ 3.092667] cpuidle: using governor ladder [ 3.096816] cpuidle: using governor menu [ 3.103295] sdhci: Secure Digital Host Controller Interface driver [ 3.109505] sdhci: Copyright(c) Pierre Ossman [ 3.114318] sdhci-pltfm: SDHCI platform and OF driver helper [ 3.122014] mmc0: no vmmc regulator found [ 3.133018] mmc0: SDHCI controller on sdhci-esdhc-imx53.0 [sdhci-esdhc-imx53A [ 3.142488] mmc1: no vmmc regulator found [ 3.150434] mmc1: SDHCI controller on sdhci-esdhc-imx53.2 [sdhci-esdhc-imx53A [ 3.265083] VPU initialized [ 3.433586] mmc0: host does not support reading read-only switch. assuming w. [ 3.587358] usbcore: registered new interface driver usbhid [ 3.593700] usbhid: USB HID core driver [ 3.602764] logger: created 256K log 'log_main' [ 3.609247] logger: created 256K log 'log_events' [ 3.616782] logger: created 256K log 'log_radio' [ 3.623860] logger: created 256K log 'log_system' [ 3.645451] mxc_spdif mxc_spdif.0: MXC SPDIF Audio [ 3.652161] mmc0: new SDHC card at address 1234 [ 3.669171] mmcblk0: mmc0:1234 SA08G 7.41 GiB [ 3.685452] sgtl5000 1-000a: Failed to get supply 'VDDD': -19 [ 3.707903] print_constraints: 1-000a: 850 <--> 1600 mV at 1200 mV normal [ 3.718342] sgtl5000 1-000a: Using internal LDO instead of VDDD [ 3.725005] mmcblk0: p1 p2 p3 p4 < p5 p6 p7 > [ 3.739028] sgtl5000 1-000a: sgtl5000 revision 17 [ 3.880954] asoc: sgtl5000 <-> imx-ssi.1 mapping ok [ 3.896829] input: sgtl5000-audio Headphone Jack as /devices/platform/soc-au0 [ 3.923878] asoc: mxc-spdif <-> imx-spdif-dai.0 mapping ok [ 3.935583] ALSA device list: [ 3.938585] #0: sgtl5000-audio [ 3.942461] #1: imx-spdif [ 3.948429] oprofile: using arm/armv7 [ 3.954074] TCP cubic registered [ 3.957336] Initializing XFRM netlink socket [ 3.963427] NET: Registered protocol family 10 [ 3.974613] IPv6 over IPv4 tunneling driver [ 3.982145] NET: Registered protocol family 17 [ 3.986814] NET: Registered protocol family 15 [ 3.992567] Registering the dns_resolver key type [ 3.999270] VFP support v0.3: implementor 41 architecture 3 part 30 variant 2 [ 4.007602] ThumbEE CPU extension supported. [ 4.012189] Registering SWP/SWPB emulation handler [ 4.046411] regulator_init_complete: DA9052_BUCK_PERI: incomplete constraintn [ 4.156112] regulator_init_complete: DA9052_BUCK_MEM: incomplete constraintsn [ 4.164438] regulator_init_complete: DA9052_BUCK_PRO: incomplete constraintsn [ 4.172805] regulator_init_complete: DA9052_BUCK_CORE: incomplete constraintn [ 4.181162] regulator_init_complete: DA9052_LDO10: incomplete constraints, ln [ 4.189032] regulator_init_complete: DA9052_LDO9: incomplete constraints, len [ 4.196938] regulator_init_complete: DA9052_LDO8: incomplete constraints, len [ 4.204844] regulator_init_complete: DA9052_LDO7: incomplete constraints, len [ 4.212733] regulator_init_complete: DA9052_LDO6: incomplete constraints, len [ 4.220623] regulator_init_complete: DA9052_LDO5: incomplete constraints, len [ 4.228404] regulator_init_complete: DA9052_LDO4: incomplete constraints, len [ 4.236285] regulator_init_complete: DA9052_LDO3: incomplete constraints, len [ 4.244163] regulator_init_complete: DA9052_LDO2: incomplete constraints, len [ 4.252104] regulator_init_complete: DA9052_LDO1: incomplete constraints, len [ 4.260115] otg_wakelock_init: No OTG transceiver found [ 4.271796] input: gpio-keys as /devices/platform/gpio-keys/input/input1 [ 4.288581] mxc_rtc mxc_rtc.0: setting system clock to 1970-01-01 00:00:01 U) [ 4.404280] Freeing init memory: 308K [ 4.432285] init (1): /proc/1/oom_adj is deprecated, please use /proc/1/oom_. [ 5.741425] init: cannot open '/initlogo.rle' [ 5.877832] EXT4-fs (mmcblk0p3): mounted filesystem with ordered data mode. ) [ 6.156448] EXT4-fs (mmcblk0p5): mounted filesystem with ordered data mode. ) [ 6.449345] EXT4-fs (mmcblk0p6): mounted filesystem with ordered data mode. ) [ 7.249188] init: cannot find '/system/etc/install-recovery.sh', disabling '' root@android:/ # [ 7.997283] warning: `rild' uses 32-bit capabilities (legac) [ 261.374266] request_suspend_state: wakeup (3->0) at 261334308878 (1970-01-02) [ 287.720603] init: no such service 'dhcpcd_sit0' [ 292.737722] init: no such service 'dhcpcd_sit0:-h android-169598f889b03e92 s' [ 428.742880] binder: release 1293:1293 transaction 20411 out, still active [ 428.749715] binder: release 1293:1387 transaction 20413 out, still active [ 440.787400] binder: 1136:1147 transaction failed 29189, size 1352-4 [ 440.860253] binder: send failed reply for transaction 20411, target dead [ 440.920273] binder: 1136:1344 transaction failed 29189, size 1352-4 [ 440.926574] binder: send failed reply for transaction 20413, target dead [ 496.039538] request_suspend_state: sleep (0->3) at 495999581878 (1970-01-02 ) [ 528.352634] binder: release 1313:1460 transaction 21826 out, still active [ 528.393460] binder: release proc 1313, transaction 22552, not freed [ 528.399760] binder: release proc 1313, transaction 22561, not freed [ 528.420429] binder: 1136:1150 transaction failed 29189, size 464-4 [ 529.052171] binder: 1136:1149 transaction failed 29189, size 92-0 [ 539.837545] binder: 1388:1399 transaction failed 29189, size 32-4 [ 539.850199] binder: send failed reply for transaction 21826, target dead [ 591.970465] binder: release proc 1534, transaction 23231, not freed [ 595.992194] binder: 1136:1473 transaction failed 29189, size 176-0 [ 595.999436] binder: 1136:1473 transaction failed 29189, size 176-0 [ 600.706983] binder: release 1618:1618 transaction 23683 out, still active [ 600.716235] binder: release 1618:1682 transaction 23676 out, still active [ 600.734593] binder: release 1618:1683 transaction 23648 out, still active [ 600.751763] binder: release 1618:1684 transaction 23672 out, still active [ 600.758801] binder: release proc 1618, transaction 23763, not freed [ 600.765268] binder: release proc 1618, transaction 23765, not freed [ 615.557472] binder: 1136:1149 transaction failed 29189, size 96-0 [ 620.052829] binder: 1576: binder_alloc_buf failed to map pages in userspace,a [ 620.070157] binder: 1136:1150 transaction failed 29201, size 464-4 [ 620.126567] binder: 1576: binder_alloc_buf failed to map pages in userspace,a [ 620.142304] binder: 1136:1150 transaction failed 29201, size 464-4 [ 620.183366] binder: 1576: binder_alloc_buf failed to map pages in userspace,a [ 620.191266] binder: 1136:1150 transaction failed 29201, size 460-4 [ 620.223817] binder: 1576: binder_alloc_buf failed to map pages in userspace,a [ 620.240129] binder: 1136:1150 transaction failed 29201, size 460-4 [ 620.280865] binder: 1576: binder_alloc_buf failed to map pages in userspace,a [ 620.288568] binder: 1136:1150 transaction failed 29201, size 460-4 [ 620.323150] binder: 1576: binder_alloc_buf failed to map pages in userspace,a [ 620.331036] binder: 1136:1150 transaction failed 29201, size 460-4 [ 620.364305] binder: 1576: binder_alloc_buf failed to map pages in userspace,a [ 620.375054] binder: 1136:1150 transaction failed 29201, size 460-4 [ 620.436301] binder: 1576: binder_alloc_buf failed to map pages in userspace,a [ 620.460170] binder: 1136:1150 transaction failed 29201, size 460-4 [ 620.507919] binder: 1576: binder_alloc_buf failed to map pages in userspace,a [ 620.570177] binder: 1136:1150 transaction failed 29201, size 456-4 [ 620.619625] binder: release 1576:1589 transaction 23672 in, still active [ 620.634478] binder: send failed reply for transaction 23672, target dead [ 620.670177] binder: release 1576:1590 transaction 23648 in, still active [ 620.676910] binder: send failed reply for transaction 23648, target dead [ 620.710142] binder: release 1576:1638 transaction 23334 out, still active [ 620.716971] binder: release 1576:1691 transaction 23676 in, still active [ 620.750119] binder: send failed reply for transaction 23676, target dead [ 620.756878] binder: release 1576:1692 transaction 23683 in, still active [ 620.781939] binder: send failed reply for transaction 23683, target dead [ 620.820764] binder: send failed reply for transaction 24823 to 1136:1149 [ 620.847465] binder: release proc 1576, transaction 24824, not freed [ 620.860285] binder: release proc 1576, transaction 24825, not freed [ 620.874986] binder: release proc 1576, transaction 24826, not freed [ 620.890181] binder: release proc 1576, transaction 24827, not freed [ 620.900210] binder: 1136:1150 transaction failed 29189, size 456-4 [ 624.762386] binder: 1388:1400 transaction failed 29189, size 32-4 [ 624.768516] binder: send failed reply for transaction 23334, target dead Then I plugged USB keyboard, and press F1, the board finally can enter the main screen. According to above experience, although the board finally came to the UI display, I don't think this image is OK for the end users.