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Black screen on HDMI and VNC Viewer after AOSP compilation

Mazher Ahmad
Prodigy 30 points
Other Parts Discussed in Thread: TPS65910, TPS65217, DA8XX

Hi Guys,

I have compiled AOSP and wrote the everything required on SD card using following command

 sudo ./mkmmc-android.sh /dev/sd<sd card mount-point> MLO u-boot.img uImage uEnv.txt rootfs.tar.bz2 Media_Clips

I have followed TI's developers guide.

I didn't integrate RowboPERF yet.

I got black screen on HDMi and VNC viewer. I am using beaglebone black.

My console is working fine.

Help required?

 

  • 0
    Mastermind 9310 points

    Hi Mazher,

    Could you please send us the log of what is displayed on the serial console, from the booltoader up to the Android shell?

  • 0 in reply to Adeneo Embedded support team
    Prodigy 30 points
    Thanks for the response.

    Here is the complete log...

    U-Boot SPL 2013.01.01-00123-g2830d15 (Nov 25 2014 - 16:35:45)
    musb-hdrc: ConfigData=0xde (UTMI-8, dyn FIFOs, bulk combine, bulk split, HB-ISO Rx, HB-ISO Tx, SoftConn)
    musb-hdrc: MHDRC RTL version 2.0
    musb-hdrc: setup fifo_mode 4
    musb-hdrc: 28/31 max ep, 16384/16384 memory
    USB Peripheral mode controller at 47401000 using PIO, IRQ 0
    musb-hdrc: ConfigData=0xde (UTMI-8, dyn FIFOs, bulk combine, bulk split, HB-ISO Rx, HB-ISO Tx, SoftConn)
    musb-hdrc: MHDRC RTL version 2.0
    musb-hdrc: setup fifo_mode 4
    musb-hdrc: 28/31 max ep, 16384/16384 memory
    USB Host mode controller at 47401800 using PIO, IRQ 0
    OMAP SD/MMC: 0
    reading u-boot.img
    reading u-boot.img


    U-Boot 2013.01.01-00123-g2830d15 (Nov 25 2014 - 16:35:45)

    I2C: ready
    DRAM: 512 MiB
    WARNING: Caches not enabled
    NAND: No NAND device found!!!
    0 MiB
    MMC: OMAP SD/MMC: 0, OMAP SD/MMC: 1
    *** Warning - readenv() failed, using default environment

    musb-hdrc: ConfigData=0xde (UTMI-8, dyn FIFOs, bulk combine, bulk split, HB-ISO Rx, HB-ISO Tx, SoftConn)
    musb-hdrc: MHDRC RTL version 2.0
    musb-hdrc: setup fifo_mode 4
    musb-hdrc: 28/31 max ep, 16384/16384 memory
    USB Peripheral mode controller at 47401000 using PIO, IRQ 0
    musb-hdrc: ConfigData=0xde (UTMI-8, dyn FIFOs, bulk combine, bulk split, HB-ISO Rx, HB-ISO Tx, SoftConn)
    musb-hdrc: MHDRC RTL version 2.0
    musb-hdrc: setup fifo_mode 4
    musb-hdrc: 28/31 max ep, 16384/16384 memory
    USB Host mode controller at 47401800 using PIO, IRQ 0
    Net: <ethaddr> not set. Validating first E-fuse MAC
    cpsw
    Hit any key to stop autoboot: 0
    mmc0 is current device
    SD/MMC found on device 0
    reading uEnv.txt
    214 bytes read in 9 ms (22.5 KiB/s)
    Loaded environment from uEnv.txt
    Importing environment from mmc ...
    Running uenvcmd ...
    reading uImage
    4178840 bytes read in 410 ms (9.7 MiB/s)
    ## Booting kernel from Legacy Image at 81000000 ...
    Image Name: Linux-3.2.0-00244-gcf99001
    Image Type: ARM Linux Kernel Image (uncompressed)
    Data Size: 4178776 Bytes = 4 MiB
    Load Address: 80008000
    Entry Point: 80008000
    Verifying Checksum ... OK
    Loading Kernel Image ... OK
    OK

    Starting kernel ...

    Uncompressing Linux... done, booting the kernel.
    [ 0.000000] Linux version 3.2.0-00244-gcf99001 (root@vm) (gcc version 4.6.x-google 20120106 (prerelease) (GCC) ) #1 Tue Nov 25 16:50:13 PKT 2014
    [ 0.000000] CPU: ARMv7 Processor [413fc082] revision 2 (ARMv7), cr=10c53c7d
    [ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache
    [ 0.000000] Machine: am335xevm
    [ 0.000000] Memory policy: ECC disabled, Data cache writeback
    [ 0.000000] AM335X ES2.1 (sgx neon )
    [ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 130048
    [ 0.000000] Kernel command line: console=ttyO0,115200n8 androidboot.console=ttyO0 mem=512M root=/dev/mmcblk0p2 rw rootfstype=ext4 rootwait init=/init ip=off
    [ 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 = 512MB total
    [ 0.000000] Memory: 509880k/509880k available, 14408k reserved, 0K highmem
    [ 0.000000] Virtual kernel memory layout:
    [ 0.000000] vector : 0xffff0000 - 0xffff1000 ( 4 kB)
    [ 0.000000] fixmap : 0xfff00000 - 0xfffe0000 ( 896 kB)
    [ 0.000000] vmalloc : 0xe0800000 - 0xff000000 ( 488 MB)
    [ 0.000000] lowmem : 0xc0000000 - 0xe0000000 ( 512 MB)
    [ 0.000000] modules : 0xbf000000 - 0xc0000000 ( 16 MB)
    [ 0.000000] .text : 0xc0008000 - 0xc078a000 (7688 kB)
    [ 0.000000] .init : 0xc078a000 - 0xc07e0000 ( 344 kB)
    [ 0.000000] .data : 0xc07e0000 - 0xc084ba70 ( 431 kB)
    [ 0.000000] .bss : 0xc084ba94 - 0xc09a3890 (1376 kB)
    [ 0.000000] NR_IRQS:396
    [ 0.000000] IRQ: Found an INTC at 0xfa200000 (revision 5.0) with 128 interrupts
    [ 0.000000] Total of 128 interrupts on 1 active controller
    [ 0.000000] OMAP clockevent source: GPTIMER2 at 24000000 Hz
    [ 0.000000] OMAP clocksource: GPTIMER1 at 32768 Hz
    [ 0.000000] sched_clock: 32 bits at 32kHz, resolution 30517ns, wraps every 131071999ms
    [ 0.000000] Console: colour dummy device 80x30
    [ 0.000061] Calibrating delay loop... 996.14 BogoMIPS (lpj=4980736)
    [ 0.089233] pid_max: default: 32768 minimum: 301
    [ 0.089324] Security Framework initialized
    [ 0.089385] Mount-cache hash table entries: 512
    [ 0.089721] CPU: Testing write buffer coherency: ok
    [ 0.089782] ftrace: allocating 22068 entries in 65 pages
    [ 0.145111] omap_hwmod: pruss: failed to hardreset
    [ 0.145782] print_constraints: dummy:
    [ 0.145965] NET: Registered protocol family 16
    [ 0.146850] OMAP GPIO hardware version 0.1
    [ 0.147644] omap_mux_init: Add partition: #1: core, flags: 0
    [ 0.148468] omap_i2c.1: alias fck already exists
    [ 0.148895] omap2_mcspi.1: alias fck already exists
    [ 0.148986] omap2_mcspi.2: alias fck already exists
    [ 0.149108] edma.0: alias fck already exists
    [ 0.149108] edma.0: alias fck already exists
    [ 0.149139] edma.0: alias fck already exists
    [ 0.156707] bio: create slab <bio-0> at 0
    [ 0.157470] SCSI subsystem initialized
    [ 0.158142] usbcore: registered new interface driver usbfs
    [ 0.158233] usbcore: registered new interface driver hub
    [ 0.158355] usbcore: registered new device driver usb
    [ 0.158599] registerd cppi-dma Intr @ IRQ 17
    [ 0.158599] Cppi41 Init Done Qmgr-base(e087a000) dma-base(e0878000)
    [ 0.158599] Cppi41 Init Done
    [ 0.158630] musb-ti81xx musb-ti81xx: musb0, board_mode=0x13, plat_mode=0x3
    [ 0.158752] musb-ti81xx musb-ti81xx: musb1, board_mode=0x13, plat_mode=0x1
    [ 0.169250] omap_i2c omap_i2c.1: bus 1 rev2.4.0 at 100 kHz
    [ 0.169860] tps65910 1-002d: could not be detected
    [ 0.170257] Advanced Linux Sound Architecture Driver Version 1.0.24.
    [ 0.170715] Bluetooth: Core ver 2.16
    [ 0.170776] NET: Registered protocol family 31
    [ 0.170776] Bluetooth: HCI device and connection manager initialized
    [ 0.170776] Bluetooth: HCI socket layer initialized
    [ 0.170806] Bluetooth: L2CAP socket layer initialized
    [ 0.170806] Bluetooth: SCO socket layer initialized
    [ 0.170959] Switching to clocksource gp timer
    [ 0.184936] musb-hdrc: version 6.0, ?dma?, otg (peripheral+host)
    [ 0.185119] musb-hdrc musb-hdrc.0: dma type: dma-cppi41
    [ 0.185272] MUSB0 controller's USBSS revision = 4ea20800
    [ 0.185272] musb0: Enabled SW babble control
    [ 0.185974] musb-hdrc musb-hdrc.0: USB OTG mode controller at e083c000 using DMA, IRQ 18
    [ 0.186187] musb-hdrc musb-hdrc.1: dma type: dma-cppi41
    [ 0.186309] MUSB1 controller's USBSS revision = 4ea20800
    [ 0.186340] musb1: Enabled SW babble control
    [ 0.186676] musb-hdrc musb-hdrc.1: MUSB HDRC host driver
    [ 0.186737] musb-hdrc musb-hdrc.1: new USB bus registered, assigned bus number 1
    [ 0.186859] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002
    [ 0.186859] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
    [ 0.186889] usb usb1: Product: MUSB HDRC host driver
    [ 0.186889] usb usb1: Manufacturer: Linux 3.2.0-00244-gcf99001 musb-hcd
    [ 0.186889] usb usb1: SerialNumber: musb-hdrc.1
    [ 0.187286] hub 1-0:1.0: USB hub found
    [ 0.187316] hub 1-0:1.0: 1 port detected
    [ 0.187622] musb-hdrc musb-hdrc.1: USB Host mode controller at e083e800 using DMA, IRQ 19
    [ 0.187896] NET: Registered protocol family 2
    [ 0.188079] IP route cache hash table entries: 4096 (order: 2, 16384 bytes)
    [ 0.188385] TCP established hash table entries: 16384 (order: 5, 131072 bytes)
    [ 0.188629] TCP bind hash table entries: 16384 (order: 4, 65536 bytes)
    [ 0.188751] TCP: Hash tables configured (established 16384 bind 16384)
    [ 0.188751] TCP reno registered
    [ 0.188751] UDP hash table entries: 256 (order: 0, 4096 bytes)
    [ 0.188781] UDP-Lite hash table entries: 256 (order: 0, 4096 bytes)
    [ 0.188934] NET: Registered protocol family 1
    [ 0.189178] RPC: Registered named UNIX socket transport module.
    [ 0.189178] RPC: Registered udp transport module.
    [ 0.189178] RPC: Registered tcp transport module.
    [ 0.189178] RPC: Registered tcp NFSv4.1 backchannel transport module.
    [ 0.189392] NetWinder Floating Point Emulator V0.97 (double precision)
    [ 0.282623] ashmem: initialized
    [ 0.282836] VFS: Disk quotas dquot_6.5.2
    [ 0.282867] Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
    [ 0.283538] fuse init (API version 7.17)
    [ 0.283721] msgmni has been set to 995
    [ 0.284576] io scheduler noop registered
    [ 0.284576] io scheduler deadline registered
    [ 0.284637] io scheduler cfq registered (default)
    [ 0.285125] Could not set LED4 to fully on
    [ 0.321655] omap_uart.0: ttyO0 at MMIO 0x44e09000 (irq = 72) is a OMAP UART0
    [ 0.941894] console [ttyO0] enabled
    [ 0.945861] omap_uart.1: ttyO1 at MMIO 0x48022000 (irq = 73) is a OMAP UART1
    [ 0.953491] omap_uart.2: ttyO2 at MMIO 0x48024000 (irq = 74) is a OMAP UART2
    [ 0.961090] omap_uart.3: ttyO3 at MMIO 0x481a6000 (irq = 44) is a OMAP UART3
    [ 0.968719] omap_uart.4: ttyO4 at MMIO 0x481a8000 (irq = 45) is a OMAP UART4
    [ 0.976318] omap_uart.5: ttyO5 at MMIO 0x481aa000 (irq = 46) is a OMAP UART5
    [ 0.984039] [drm] Initialized drm 1.1.0 20060810
    [ 0.993286] brd: module loaded
    [ 0.998870] loop: module loaded
    [ 1.002349] i2c-core: driver [tsl2550] using legacy suspend method
    [ 1.008819] i2c-core: driver [tsl2550] using legacy resume method
    [ 1.015228] at24 1-0051: 32768 byte 24c256 EEPROM, writable, 64 bytes/write
    [ 1.121582] No daughter card found on AM335x EVM
    [ 1.126434] at24 1-0050: 32768 byte 24c256 EEPROM, writable, 64 bytes/write
    [ 1.141632] Board name: A335BNLT
    [ 1.144989] Board version: 00A5
    [ 1.148284] The board is a AM335x Beaglebone Black.
    [ 1.155029] tps65217 1-0024: TPS65217 ID 0xe version 1.2
    [ 1.162292] print_constraints: DCDC1: 900 <--> 1800 mV at 1500 mV
    [ 1.170471] print_constraints: DCDC2: 900 <--> 3300 mV at 1325 mV
    [ 1.178649] print_constraints: DCDC3: 900 <--> 1500 mV at 1125 mV
    [ 1.186828] print_constraints: LDO1: 1000 <--> 3300 mV at 1800 mV
    [ 1.195007] print_constraints: LDO2: 900 <--> 3300 mV at 3300 mV
    [ 1.203094] print_constraints: LDO3: 1800 <--> 3300 mV at 1800 mV
    [ 1.211273] print_constraints: LDO4: 1800 <--> 3300 mV at 3300 mV
    [ 1.220977] omap_hsmmc.0: alias fck already exists
    [ 1.226257] omap_hsmmc.1: alias fck already exists
    [ 1.231475] omap_i2c.3: alias fck already exists
    [ 1.251617] omap_i2c omap_i2c.3: bus 3 rev2.4.0 at 100 kHz
    [ 1.257934] davinci-mcasp.0: alias fck already exists
    [ 1.264465] at24 3-0054: 32768 byte 24c256 EEPROM, writable, 64 bytes/write
    [ 1.271789] IN : bone_setup_display_daughter_board
    [ 1.371582] No display cape found on BeagleBone
    [ 1.376770] da8xx_lcdc.0: alias fck already exists
    [ 1.382049] da8xx_lcdc da8xx_lcdc.0: GLCD: Found nxp-1280x720@60 panel
    [ 1.533905] tda998x 1-0070: found TDA19988
    [ 1.631622] Setup HDMI display complete
    [ 1.635681] at24 3-0055: 32768 byte 24c256 EEPROM, writable, 64 bytes/write
    [ 1.642944] IN : bone_setup_daughter_board
    [ 1.721649] at24 3-0056: 32768 byte 24c256 EEPROM, writable, 64 bytes/write
    [ 1.728912] IN : bone_setup_daughter_board
    [ 1.811614] at24 3-0057: 32768 byte 24c256 EEPROM, writable, 64 bytes/write
    [ 1.818878] IN : bone_setup_daughter_board
    [ 1.901763] (hci_tty): inside hci_tty_init
    [ 1.906188] (hci_tty): allocated 251, 0
    [ 1.910278] NFC Driver for TI WiLink
    [ 1.914581] mtdoops: mtd device (mtddev=name/number) must be supplied
    [ 1.921661] omap2-nand driver initializing
    [ 1.925994] OneNAND driver initializing
    [ 1.930389] CAN device driver interface
    [ 1.934448] CAN bus driver for Bosch D_CAN controller 1.0
    [ 1.981628] davinci_mdio davinci_mdio.0: davinci mdio revision 1.6
    [ 1.988098] davinci_mdio davinci_mdio.0: detected phy mask fffffffe
    [ 1.995422] davinci_mdio.0: probed
    [ 1.998992] davinci_mdio davinci_mdio.0: phy[0]: device 0:00, driver SMSC LAN8710/LAN8720
    [ 2.007598] PPP generic driver version 2.4.2
    [ 2.012207] PPP BSD Compression module registered
    [ 2.017120] PPP Deflate Compression module registered
    [ 2.022521] usbcore: registered new interface driver cdc_ether
    [ 2.028656] usbcore: registered new interface driver cdc_eem
    [ 2.034637] usbcore: registered new interface driver dm9601
    [ 2.040496] usbcore: registered new interface driver cdc_subset
    [ 2.046752] cdc_ncm: 04-Aug-2011
    [ 2.050140] usbcore: registered new interface driver cdc_ncm
    [ 2.056152] usbcore: registered new interface driver cdc_acm
    [ 2.062072] cdc_acm: USB Abstract Control Model driver for USB modems and ISDN adapters
    [ 2.070434] Initializing USB Mass Storage driver...
    [ 2.075653] usbcore: registered new interface driver usb-storage
    [ 2.081939] USB Mass Storage support registered.
    [ 2.086914] usbcore: registered new interface driver usbserial
    [ 2.093048] USB Serial support registered for generic
    [ 2.098388] usbcore: registered new interface driver usbserial_generic
    [ 2.105224] usbserial: USB Serial Driver core
    [ 2.109832] USB Serial support registered for GSM modem (1-port)
    [ 2.116241] usbcore: registered new interface driver option
    [ 2.122070] option: v0.7.2:USB Driver for GSM modems
    [ 2.128509] gadget: Mass Storage Function, version: 2009/09/11
    [ 2.134735] gadget: Number of LUNs=1
    [ 2.138580] lun0: LUN: removable file: (no medium)
    [ 2.143859] gadget: android_usb ready
    [ 2.147796] musb-hdrc musb-hdrc.0: MUSB HDRC host driver
    [ 2.153411] musb-hdrc musb-hdrc.0: new USB bus registered, assigned bus number 2
    [ 2.161254] usb usb2: New USB device found, idVendor=1d6b, idProduct=0002
    [ 2.168365] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1
    [ 2.175933] usb usb2: Product: MUSB HDRC host driver
    [ 2.181121] usb usb2: Manufacturer: Linux 3.2.0-00244-gcf99001 musb-hcd
    [ 2.188018] usb usb2: SerialNumber: musb-hdrc.0
    [ 2.193145] hub 2-0:1.0: USB hub found
    [ 2.197082] hub 2-0:1.0: 1 port detected
    [ 2.201721] mousedev: PS/2 mouse device common for all mice
    [ 2.208465] using rtc device, am33xx-rtc, for alarms
    [ 2.213562] omap_rtc am33xx-rtc: rtc core: registered am33xx-rtc as rtc0
    [ 2.220855] i2c /dev entries driver
    [ 2.224761] Linux video capture interface: v2.00
    [ 2.229827] usbcore: registered new interface driver uvcvideo
    [ 2.235870] USB Video Class driver (1.1.1)
    [ 2.492279] OMAP Watchdog Timer Rev 0x01: initial timeout 60 sec
    [ 2.498748] device-mapper: uevent: version 1.0.3
    [ 2.503753] device-mapper: ioctl: 4.22.0-ioctl (2011-10-19) initialised: dm-devel@redhat.com
    [ 2.512603] Bluetooth: HCI UART driver ver 2.2
    [ 2.517242] Bluetooth: HCI H4 protocol initialized
    [ 2.522277] Bluetooth: HCILL protocol initialized
    [ 2.527191] Bluetooth: Bluetooth Driver for TI WiLink - Version 1.0
    [ 2.534606] cpuidle: using governor ladder
    [ 2.539001] cpuidle: using governor menu
    [ 2.546417] usbcore: registered new interface driver usbhid
    [ 2.552307] usbhid: USB HID core driver
    [ 2.556671] logger: created 256K log 'log_main'
    [ 2.561492] logger: created 256K log 'log_events'
    [ 2.566528] logger: created 256K log 'log_radio'
    [ 2.571441] logger: created 256K log 'log_system'
    [ 2.576843] usbcore: registered new interface driver snd-usb-audio
    [ 2.585144] asoc: am335x-hdmi-hifi <-> davinci-mcasp.0 mapping ok
    [ 2.592041] ALSA device list:
    [ 2.595153] #0: AM335X BONE
    [ 2.598236] oprofile: hardware counters not available
    [ 2.603546] oprofile: using timer interrupt.
    [ 2.608154] Netfilter messages via NETLINK v0.30.
    [ 2.613189] nf_conntrack version 0.5.0 (7966 buckets, 31864 max)
    [ 2.619781] ctnetlink v0.93: registering with nfnetlink.
    [ 2.625396] NF_TPROXY: Transparent proxy support initialized, version 4.1.0
    [ 2.632690] NF_TPROXY: Copyright (c) 2006-2007 BalaBit IT Ltd.
    [ 2.639038] xt_time: kernel timezone is -0000
    [ 2.643829] ip_tables: (C) 2000-2006 Netfilter Core Team
    [ 2.649536] arp_tables: (C) 2002 David S. Miller
    [ 2.654449] TCP cubic registered
    [ 2.657928] NET: Registered protocol family 10
    [ 2.663208] Mobile IPv6
    [ 2.665802] ip6_tables: (C) 2000-2006 Netfilter Core Team
    [ 2.671630] IPv6 over IPv4 tunneling driver
    [ 2.676513] NET: Registered protocol family 17
    [ 2.681182] NET: Registered protocol family 15
    [ 2.685852] can: controller area network core (rev 20090105 abi 8)
    [ 2.692413] NET: Registered protocol family 29
    [ 2.697052] can: raw protocol (rev 20090105)
    [ 2.701507] can: broadcast manager protocol (rev 20090105 t)
    [ 2.707611] Bluetooth: RFCOMM TTY layer initialized
    [ 2.712799] Bluetooth: RFCOMM socket layer initialized
    [ 2.718170] Bluetooth: RFCOMM ver 1.11
    [ 2.722076] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
    [ 2.727630] Bluetooth: BNEP filters: protocol multicast
    [ 2.733093] Bluetooth: HIDP (Human Interface Emulation) ver 1.2
    [ 2.739410] Registering the dns_resolver key type
    [ 2.744384] VFP support v0.3: implementor 41 architecture 3 part 30 variant c rev 3
    [ 2.752441] ThumbEE CPU extension supported.
    [ 2.756958] mux: Failed to setup hwmod io irq -22
    [ 2.762420] Power Management for AM33XX family
    [ 2.767272] Trying to load am335x-pm-firmware.bin (60 secs timeout)
    [ 2.773986] Copied the M3 firmware to UMEM
    [ 2.778320] Cortex M3 Firmware Version = 0x181
    [ 2.785888] clock: disabling unused clocks to save power
    [ 2.792785] Detected MACID=7c:66:9d:53:e1:55
    [ 2.798309] omap_rtc am33xx-rtc: setting system clock to 2000-01-01 00:00:00 UTC (946684800)
    [ 2.807678] Waiting for root device /dev/mmcblk0p2...
    [ 2.893951] mmc0: host does not support reading read-only switch. assuming write-enable.
    [ 2.905364] mmc0: new high speed SDHC card at address aaaa
    [ 2.911529] mmcblk0: mmc0:aaaa SU08G 7.40 GiB
    [ 2.917602] mmcblk0: p1 p2 p3 p4
    [ 3.049346] mmc1: new high speed MMC card at address 0001
    [ 3.055511] mmcblk1: mmc1:0001 MMC04G 3.60 GiB
    [ 3.060333] mmcblk1boot0: mmc1:0001 MMC04G partition 1 2.00 MiB
    [ 3.066833] mmcblk1boot1: mmc1:0001 MMC04G partition 2 2.00 MiB
    [ 3.074096] mmcblk1: unknown partition table
    [ 3.079833] mmcblk1boot1: unknown partition table
    [ 3.086059] mmcblk1boot0: unknown partition table
    [ 3.869476] EXT4-fs (mmcblk0p2): recovery complete
    [ 3.876159] EXT4-fs (mmcblk0p2): mounted filesystem with ordered data mode. Opts: (null)
    [ 3.884704] VFS: Mounted root (ext4 filesystem) on device 179:2.
    [ 3.891357] Freeing init memory: 344K
    [ 3.915863] init (1): /proc/1/oom_adj is deprecated, please use /proc/1/oom_score_adj instead.
    [ 3.987670] init: cannot open '/initlogo.rle'
    [ 4.041839] EXT4-fs (mmcblk0p3): recovery complete
    [ 4.048400] EXT4-fs (mmcblk0p3): mounted filesystem with ordered data mode. Opts: nomblk_io_submit,errors=panic
    [ 4.077270] init: cannot find '/system/bin/sgx/rc.pvr', disabling 'pvr'
    [ 4.086090] init: cannot find '/system/bin/surfaceflinger', disabling 'surfaceflinger'
    [ 4.097412] init: cannot find '/system/bin/app_process', disabling 'zygote'
    [ 4.105438] init: cannot find '/system/bin/drmserver', disabling 'drm'
    [ 4.112915] init: cannot find '/system/bin/mediaserver', disabling 'media'
    [ 4.124969] init: cannot find '/system/etc/install-recovery.sh', disabling 'flash_recovery'
    [ 4.136444] android_usb: already disabled
    [ 4.147125] android_usb: already disabled
    [ 4.153594] android_usb: already disabled
    [ 4.158721] adb_bind_config
    [ 4.163543] adb_bind_config
    [ 4.197967] adb_open
    root@android:/ #
  • 0 in reply to Mazher Ahmad
    Mastermind 9310 points

    Hi Mazher,

    It looks like the tda998x driver doesn't find any monitor or at least no recognized EDID.

    Have tried with different monitors?

    Are you using a straight HDMI cable or some adapter DVI to HDMI?

  • 0 in reply to Adeneo Embedded support team
    Prodigy 30 points
    I am using straight HDMI cable.

    Didn't try different monitors but when i use pre-built image, i get display.

    Regards,
  • 0 in reply to Mazher Ahmad
    Mastermind 9310 points

    Hi Mazher,

    Thanks for the update, this will help us understand your issue. Could you try using your images apart from the kernel (uImage)? Basically flashing your own images but then replace the uImage in the boot partition by the pre-built one.

    Let us know if that configuration works, that would mean that only your kernel build is the cause of this issue.