Hello!

Now I have the debug cable. 
Here is a boot without my cap. Power from USB:

> <14><\0><\r><\n>
>
> U-Boot SPL 2014.04-00014-g47880f5 (Apr 22 2014 - 13:23:54)<\r><\n>
>
> reading args<\r><\n>
>
> spl_load_image_fat_os: error reading image args, err - -1<\r><\n>
>
> reading u-boot.img<\r><\n>
>
> reading u-boot.img<\r><\n>
>
> <\r><\n>
>
> <\r><\n>
>
> U-Boot 2014.04-00014-g47880f5 (Apr 22 2014 - 13:23:54)<\r><\n>
>
> <\r><\n>
>
> I2C:   ready<\r><\n>
>
> DRAM:  512 MiB<\r><\n>
>
> NAND:  0 MiB<\r><\n>
>
> MMC:   OMAP SD/MMC: 0, OMAP SD/MMC: 1<\r><\n>
>
> *** Warning - readenv() failed, using default environment<\r><\n>
>
> <\r><\n>
>
> Net:   <ethaddr> not set. Validating first E-fuse MAC<\r><\n>
>
> cpsw, usb_ether<\r><\n>
>
> Hit any key to stop autoboot:  1 <\b><\b><\b> 0 <\r><\n>
>
> gpio: pin 53 (gpio 53) value is 1<\r><\n>
>
> Card did not respond to voltage select!<\r><\n>
>
> mmc0(part 0) is current device<\r><\n>
>
> Card did not respond to voltage select!<\r><\n>
>
> gpio: pin 56 (gpio 56) value is 0<\r><\n>
>
> gpio: pin 55 (gpio 55) value is 0<\r><\n>
>
> gpio: pin 54 (gpio 54) value is 0<\r><\n>
>
> mmc1(part 0) is current device<\r><\n>
>
> gpio: pin 54 (gpio 54) value is 1<\r><\n>
>
> SD/MMC found on device 1<\r><\n>
>
> reading uEnv.txt<\r><\n>
>
> 1473 bytes read in 5 ms (287.1 KiB/s)<\r><\n>
>
> gpio: pin 55 (gpio 55) value is 1<\r><\n>
>
> Loaded environment from uEnv.txt<\r><\n>
>
> Importing environment from mmc ...<\r><\n>
>
> Checking if uenvcmd is set ...<\r><\n>
>
> gpio: pin 56 (gpio 56) value is 1<\r><\n>
>
> Running uenvcmd ...<\r><\n>
>
> reading zImage<\r><\n>
>
> 3717760 bytes read in 206 ms (17.2 MiB/s)<\r><\n>
>
> reading initrd.img<\r><\n>
>
> 2869128 bytes read in 161 ms (17 MiB/s)<\r><\n>
>
> reading /dtbs/am335x-boneblack.dtb<\r><\n>
>
> 25080 bytes read in 9 ms (2.7 MiB/s)<\r><\n>
>
> Kernel image @ 0x82000000 [ 0x000000 - 0x38ba80 ]<\r><\n>
>
> ## Flattened Device Tree blob at 88000000<\r><\n>
>
>    Booting using the fdt blob at 0x88000000<\r><\n>
>
>    Using Device Tree in place at 88000000, end 880091f7<\r><\n>
>
> <\r><\n>
>
> Starting kernel ...<\r><\n>
>
> <\r><\n>
>
> Uncompressing Linux... done, booting the kernel.<\r><\n>
>
> [    0.383105] omap2_mbox_probe: platform not supported<\r><\n>
>
> [    0.549652] tps65217-bl tps65217-bl: no platform data provided<\r><\n>
>
> [    0.614898] bone-capemgr bone_capemgr.9: slot #0: No cape found<\r><\n>
>
> [    0.652004] bone-capemgr bone_capemgr.9: slot #1: No cape found<\r><\n>
>
> [    0.689113] bone-capemgr bone_capemgr.9: slot #2: No cape found<\r><\n>
>
> [    0.726221] bone-capemgr bone_capemgr.9: slot #3: No cape found<\r><\n>
>
> [    0.744938] omap_hsmmc mmc.5: of_parse_phandle_with_args of 'reset' 
>> failed<\r><\n>
>
> [    0.779292] pinctrl-single 44e10800.pinmux: pin 44e10854 already 
>> requested by 44e10800.pinmux; cannot claim for gpio-leds.8<\r><\n>
>
> [    0.790961] pinctrl-single 44e10800.pinmux: pin-21 (gpio-leds.8) status 
>> -22<\r><\n>
>
> [    0.798259] pinctrl-single 44e10800.pinmux: could not request pin 21 on 
>> device pinctrl-single<\r><\n>
>
> Loading, please wait...<\r><\n>
>
> [    1.098874] bone-capemgr bone_capemgr.9: failed to load firmware 
>> 'CAPE-BONE-MY-00A0.dtbo'<\r><\n>
>
> [    1.107899] bone-capemgr bone_capemgr.9: loader: failed to load slot-7 
>> CAPE-BONE-MY:00A0 (prio 0)<\r><\n>
>
> Scanning for Btrfs filesystems<\r><\n>
>
> systemd-fsck[298]: rootfs: clean, 77345/230144 files, 469161/919296 
>> blocks<\r><\n>
>
> [    6.119657] c_can_platform 481cc000.d_can: invalid resource<\r><\n>
>
> [    6.187620] c_can_platform 481d0000.d_can: invalid resource<\r><\n>
>
> <\r><\n>
>
> Debian GNU/Linux 7 beaglebone ttyO0<\r><\n>
>
> <\r><\n>
>
> default username:password is [debian:temppwd]<\r><\n>
>
> <\r><\n>
>
> Support/FAQ: http://elinux.org/Beagleboard:BeagleBoneBlack_Debian<\r><\n>
>
> <\r><\n>
>
> The IP Address for usb0 is: 192.168.7.2<\r><\n>
>
> beaglebone login: [   12.722950] libphy: PHY 4a101000.mdio:01 not 
>> found<\r><\n>
>
> [   12.728053] net eth0: phy 4a101000.mdio:01 not found on slave 1<\r><\n>
>
>
>
Not sure why he write "failed to load firmware 'CAPE-BONE-MY-00A0.dtbo' " 
But with this I can boot and work.

I put my own cap on top and boot again (Power from my cape):

<6><\0>G??EW?!I(<4>hX<6>?`Z<5><11>`Ye5)[&`R<7>??X<22>?hP<18>dZd<5>dYSl\<7>?6?reading
 
>> args<\r><\n>
>
> spl_load_image_fat_os: error reading image args, err - -1<\r><\n>
>
> reading u-boot.img<\r><\n>
>
> reading u-boot.img<\r><\n>
>
> <\r><\n>
>
> <\r><\n>
>
> U-Boot 2014.04-00014-g47880f5 (Apr 22 2014 - 13:23:54)<\r><\n>
>
> <\r><\n>
>
> I2C:   ready<\r><\n>
>
> DRAM:  512 MiB<\r><\n>
>
> NAND:  0 MiB<\r><\n>
>
> MMC:   OMAP SD/MMC: 0, OMAP SD/MMC: 1<\r><\n>
>
> *** Warning - readenv() failed, using default environment<\r><\n>
>
> <\r><\n>
>
> Net:   <ethaddr> not set. Validating first E-fuse MAC<\r><\n>
>
> cpsw, usb_ether<\r><\n>
>
> Hit any key to stop autoboot:  1 <\b><\b><\b> 0 <\r><\n>
>
> gpio: pin 53 (gpio 53) value is 1<\r><\n>
>
> Card did not respond to voltage select!<\r><\n>
>
> mmc0(part 0) is current device<\r><\n>
>
> Card did not respond to voltage select!<\r><\n>
>
> gpio: pin 56 (gpio 56) value is 0<\r><\n>
>
> gpio: pin 55 (gpio 55) value is 0<\r><\n>
>
> gpio: pin 54 (gpio 54) value is 0<\r><\n>
>
> mmc1(part 0) is current device<\r><\n>
>
> gpio: pin 54 (gpio 54) value is 1<\r><\n>
>
> SD/MMC found on device 1<\r><\n>
>
> reading uEnv.txt<\r><\n>
>
> 1473 bytes read in 5 ms (287.1 KiB/s)<\r><\n>
>
> gpio: pin 55 (gpio 55) value is 1<\r><\n>
>
> Loaded environment from uEnv.txt<\r><\n>
>
> Importing environment from mmc ...<\r><\n>
>
> Checking if uenvcmd is set ...<\r><\n>
>
> gpio: pin 56 (gpio 56) value is 1<\r><\n>
>
> Running uenvcmd ...<\r><\n>
>
> reading zImage<\r><\n>
>
> 3717760 bytes read in 206 ms (17.2 MiB/s)<\r><\n>
>
> reading initrd.img<\r><\n>
>
> 2869128 bytes read in 161 ms (17 MiB/s)<\r><\n>
>
> reading /dtbs/am335x-boneblack.dtb<\r><\n>
>
> 25080 bytes read in 9 ms (2.7 MiB/s)<\r><\n>
>
> Kernel image @ 0x82000000 [ 0x000000 - 0x38ba80 ]<\r><\n>
>
> ## Flattened Device Tree blob at 88000000<\r><\n>
>
>    Booting using the fdt blob at 0x88000000<\r><\n>
>
>    Using Device Tree in place at 88000000, end 880091f7<\r><\n>
>
> <\r><\n>
>
> Starting kernel ...<\r><\n>
>
> <\r><\n>
>
> Uncompressing Linux... done, booting the kernel.<\r><\n>
>
> [    0.459086] omap2_mbox_probe: platform not supported<\r><\n>
>
> [    0.667742] tps65217-bl tps65217-bl: no platform data provided<\r><\n>
>
> [    0.738828] bone-capemgr bone_capemgr.9: slot #0: No cape found<\r><\n>
>
> [    0.777888] bone-capemgr bone_capemgr.9: slot #1: No cape found<\r><\n>
>
> [    0.813044] bone-capemgr bone_capemgr.9: slot #2: No cape found<\r><\n>
>
> [    0.848199] bone-capemgr bone_capemgr.9: slot #3: No cape found<\r><\n>
>
> [    0.871847] omap_hsmmc mmc.5: of_parse_phandle_with_args of 'reset' 
>> failed<\r><\n>
>
> [    0.909180] pinctrl-single 44e10800.pinmux: pin 44e10854 already 
>> requested by 44e10800.pinmux; cannot claim for gpio-leds.8<\r><\n>
>
> [    0.923774] pinctrl-single 44e10800.pinmux: pin-21 (gpio-leds.8) status 
>> -22<\r><\n>
>
> [    0.932895] pinctrl-single 44e10800.pinmux: could not request pin 21 on 
>> device pinctrl-single<\r><\n>
>
> Loading, please wait...<\r><\n>
>
> mount: relocation error: mount: symbol strcasecmp, version GLIBC_2.4 not 
>> defined in file libc.so.6 with link time reference<\r><\n>
>
> mount: relocation error: mount: symbol strcasecmp, version GLIBC_2.4 not 
>> defined in file libc.so.6 with link time reference<\r><\n>
>
> /scripts/init-top/udev: line 14: can't create /sys/kernel/uevent_helper: 
>> nonexistent directory<\r><\n>
>
> [    1.532405] BUG: spinlock bad magic on CPU#0, init/96<\r><\n>
>
> [    1.539037] Unable to handle kernel NULL pointer dereference at virtual 
>> address 00000251<\r><\n>
>
> [    1.549596] pgd = de258000<\r><\n>
>
> [    1.553124] [00000251] *pgd=00000000<\r><\n>
>
> [    1.557799] Internal error: Oops: 5 [#1] SMP THUMB2<\r><\n>
>
> [    1.564161] Modules linked in:<\r><\n>
>
> [    1.568149] CPU: 0    Not tainted  (3.8.13-bone47 #1)<\r><\n>
>
> [    1.574753] PC is at spin_dump+0x38/0x64<\r><\n>
>
> [    1.579873] LR is at spin_dump+0x2f/0x64<\r><\n>
>
> [    1.584991] pc : [<c045885c>]    lr : [<c0458853>]    psr: 
>> 600000b3<\r><\n>
>
> [    1.584991] sp : de253d70  ip : 00000000  fp : 00100100<\r><\n>
>
> [    1.599964] r10: c0825186  r9 : de2352f8  r8 : de235cd0<\r><\n>
>
> [    1.606776] r7 : de235300  r6 : de2352fc  r5 : de235300  r4 : 
>> 0000003d<\r><\n>
>
> [    1.615294] r3 : c0694a28  r2 : dead4ead  r1 : ffffffff  r0 : 
>> 00000029<\r><\n>
>
> [    1.623816] Flags: nZCv  IRQs off  FIQs on  Mode SVC_32  ISA Thumb 
>>  Segment user<\r><\n>
>
> [    1.633463] Control: 50c5387d  Table: 9e258019  DAC: 00000015<\r><\n>
>
> [    1.640980] Process init (pid: 96, stack limit = 0xde252240)<\r><\n>
>
> [    1.648363] Stack: (0xde253d70 to 0xde254000)<\r><\n>
>
> [    1.654052] 3d60:                                     00000060 c0694ab6 
>> 0000000f de235300<\r><\n>
>
> [    1.664734] 3d80: 00000000 c0225e49 de252000 80000013 00000000 de2352fc 
>> de235300 de235cd0<\r><\n>
>
> [    1.675417] 3da0: de2352f8 c0825186 00100100 c045b6cb de2348a0 c045b533 
>> 00100873 de22ec28<\r><\n>
>
> [    1.686100] 3dc0: de9627c4 de9627b4 de22ec28 de2348a0 00000000 de22eb20 
>> de234980 c009df43<\r><\n>
>
> [    1.696782] 3de0: 00287000 de22eb20 00000000 00001000 de253e38 de22ec28 
>> 00008000 de22ebd0<\r><\n>
>
> [    1.707461] 3e00: de228ac0 c0097b33 de253e38 de22eac8 de22eac8 de22be40 
>> de110d40 de22adc0<\r><\n>
>
> [    1.718135] 3e20: de22be40 de111144 00000000 c009ba81 204ecd1d 1389868c 
>> de22be40 00000001<\r><\n>
>
> [    1.728807] 3e40: 00000000 c079e784 00513000 00000043 00000400 de245000 
>> c009b797 80000013<\r><\n>
>
> [    1.739485] 3e60: de22be8c de110d40 de22adc0 de22be40 de22be40 00000000 
>> de22be40 00000000<\r><\n>
>
> [    1.750168] 3e80: de110d40 c002a30d 00000000 de22be40 de22bac0 c00ad6d5 
>> de224474 de224440<\r><\n>
>
> [    1.760849] 3ea0: de22adc0 00000002 c07e63a0 df352e40 00000000 c00d5c8b 
>> de22adc0 00000080<\r><\n>
>
> [    1.771532] 3ec0: 00000000 c0099a61 00000000 00000000 de252000 de2243c0 
>> be883feb de252000<\r><\n>
>
> [    1.782208] 3ee0: 00000000 de22adc0 00000001 befffe9a de252000 de252000 
>> 00000000 de253eb8<\r><\n>
>
> [    1.792892] 3f00: 00000017 de253f14 00000008 c022df4d c08adcc0 de22adc0 
>> fffffff8 c07e724c<\r><\n>
>
> [    1.803567] 3f20: 00000000 c07e63a0 c07e63b0 00000000 c00d5a9d c00acc11 
>> 00000000 00000060<\r><\n>
>
> [    1.814242] 3f40: 00000060 00000001 df061010 de22adc0 00000001 df17cec0 
>> df061010 0008929c<\r><\n>
>
> [    1.824917] 3f60: 000892ac 00000000 00000000 c00adcbf 00000000 de110fac 
>> df061000 000892ac<\r><\n>
>
> [    1.835593] 3f80: 0008929c 0000000b c000c1c4 de252000 00000000 c00adf19 
>> 0008929c 00089274<\r><\n>
>
> [    1.846271] 3fa0: ffffffff c000c021 0008929c 00089274 00089274 0008929c 
>> 000892ac 000892ac<\r><\n>
>
> [    1.856954] 3fc0: 0008929c 00089274 ffffffff 0000000b ffffffff 000915bc 
>> ffffffff 00000000<\r><\n>
>
> [    1.867635] 3fe0: 0000000b be880f7c b6eaa133 b6e4ef96 80000030 00089274 
>> 7e6c4ff1 1df7cef2<\r><\n>
>
> [    1.878343] [<c045885c>] (spin_dump+0x38/0x64) from [<c0225e49>] 
>> (do_raw_spin_lock+0x15/0xfc)<\r><\n>
>
> [    1.889485] [<c0225e49>] (do_raw_spin_lock+0x15/0xfc) from [<c045b6cb>] 
>> (_raw_spin_lock_irqsave+0xd/0x10)<\r><\n>
>
> [    1.901989] [<c045b6cb>] (_raw_spin_lock_irqsave+0xd/0x10) from 
>> [<c045b533>] (__down_write_nested+0xf/0x84)<\r><\n>
>
> [    1.914718] [<c045b533>] (__down_write_nested+0xf/0x84) from 
>> [<c009df43>] (unlink_anon_vmas+0x4b/0x104)<\r><\n>
>
> [    1.926989] [<c009df43>] (unlink_anon_vmas+0x4b/0x104) from 
>> [<c0097b33>] (free_pgtables+0x2f/0x6a)<\r><\n>
>
> [    1.938691] [<c0097b33>] (free_pgtables+0x2f/0x6a) from [<c009ba81>] 
>> (exit_mmap+0x7d/0x128)<\r><\n>
>
> [    1.949620] [<c009ba81>] (exit_mmap+0x7d/0x128) from [<c002a30d>] 
>> (mmput+0x37/0xaa)<\r><\n>
>
> [    1.959630] [<c002a30d>] (mmput+0x37/0xaa) from [<c00ad6d5>] 
>> (flush_old_exec+0x3a9/0x43c)<\r><\n>
>
> [    1.970329] [<c00ad6d5>] (flush_old_exec+0x3a9/0x43c) from [<c00d5c8b>] 
>> (load_elf_binary+0x1ef/0xcb8)<\r><\n>
>
> [    1.982377] [<c00d5c8b>] (load_elf_binary+0x1ef/0xcb8) from 
>> [<c00acc11>] (search_binary_handler+0x87/0x25a)<\r><\n>
>
> [    1.995100] [<c00acc11>] (search_binary_handler+0x87/0x25a) from 
>> [<c00adcbf>] (do_execve+0x1d7/0x29c)<\r><\n>
>
> [    2.007136] [<c00adcbf>] (do_execve+0x1d7/0x29c) from [<c00adf19>] 
>> (sys_execve+0x21/0x2c)<\r><\n>
>
> [    2.017826] [<c00adf19>] (sys_execve+0x21/0x2c) from [<c000c021>] 
>> (ret_fast_syscall+0x1/0x46)<\r><\n>
>
> [    2.028960] Code: 4b0a f04f 31ff b11c (f8d4) 1214 <\r><\n>
>
> [    2.035215] ---[ end trace c3e1aefa5f748bfb ]---<\r><\n>
>
> Segmentation fault<\r><\n>
>
>
>
There seems a lot of wrong? First line beginn with unnormal Chars.
And continue until he load my own CAP. Then a lot of errors.

I order Solderless Flexible Breadboard Jumper Cable Wires. Then I can 
connect Pin by Pin and always boot betweem and checkl with I/O are made the 
trouble.

But maybe someone see the error in the debug log?

 

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