Hi,
        I got a BBB board a few days ago. It is a board with XAM3359 MPU. 
It can not boot from emmc. So I tried to boot from SD card. However, 
everytime it stopped at the same place, with log:

U-Boot 2013.04-dirty (Jun 19 2013 - 09:57:14)
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, 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, 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, usb_ether
Hit any key to stop autoboot:  0
gpio: pin 53 (gpio 53) value is 1
mmc0 is current device
micro SD card found
mmc0 is current device
gpio: pin 54 (gpio 54) value is 1
SD/MMC found on device 0
reading uEnv.txt
33 bytes read in 3 ms (10.7 KiB/s)
Loaded environment from uEnv.txt
Importing environment from mmc ...
gpio: pin 55 (gpio 55) value is 1
4270840 bytes read in 763 ms (5.3 MiB/s)
gpio: pin 56 (gpio 56) value is 1
24129 bytes read in 44 ms (535.2 KiB/s)
Booting from mmc ...
## Booting kernel from Legacy Image at 80007fc0 ...
   Image Name:   Angstrom/3.8.13/beaglebone
   Image Type:   ARM Linux Kernel Image (uncompressed)
   Data Size:    4270776 Bytes = 4.1 MiB
   Load Address: 80008000
   Entry Point:  80008000
   Verifying Checksum ... OK
## Flattened Device Tree blob at 80f80000
   Booting using the fdt blob at 0x80f80000
   XIP Kernel Image ... OK
OK
   Using Device Tree in place at 80f80000, end 80f88e40
Starting kernel ...
Uncompressing Linux... done, booting the kernel.
[    0.230596] omap2_mbox_probe: platform not supported
[    0.244033] tps65217-bl tps65217-bl: no platform data provided
[    0.329571] bone-capemgr bone_capemgr.8: slot #0: No cape found
[    0.368629] bone-capemgr bone_capemgr.8: slot #1: No cape found
[    0.407691] bone-capemgr bone_capemgr.8: slot #2: No cape found
[    0.446752] bone-capemgr bone_capemgr.8: slot #3: No cape found
[    0.471825] bone-capemgr bone_capemgr.8: slot #6: BB-BONELT-HDMIN 
conflict P8.45 (#5:BB-BONELT-HDMI)
[    0.483856] bone-capemgr bone_capemgr.8: slot #6: Failed verification
[    0.492317] bone-capemgr bone_capemgr.8: loader: failed to load slot-6 
BB-BONELT-HDMIN:00A0 (prio 2)
[    0.520644] omap_hsmmc mmc.4: of_parse_phandle_with_args of 'reset' 
failed
[    0.587895] pinctrl-single 44e10800.pinmux: pin 44e10854 already 
requested by 44e10800.pinmux; cannot claim for gpio-leds.7
[    0.602512] pinctrl-single 44e10800.pinmux: pin-21 (gpio-leds.7) status 
-22
[    0.611660] pinctrl-single 44e10800.pinmux: could not request pin 21 on 
device pinctrl-single
systemd-fsck[86]: Angstrom: clean, 50545/218160 files, 304986/872448 blocks
[   11.711891] Unable to handle kernel paging request at virtual address 
004de000
[   11.721435] pgd = df694000
[   11.724996] [004de000] *pgd=00000000
[   11.729666] Internal error: Oops: 5 [#1] SMP THUMB2
[   11.735995] Modules linked in: rfcomm ircomm_tty ircomm irda ipv6 hidp 
bluetooth rfkill autofs4
[   11.747351] CPU: 0    Not tainted  (3.8.13 #1)
[   11.753140] PC is at lg_local_lock_cpu+0xa/0x38
[   11.759025] LR is at file_sb_list_del+0x13/0x30
[   11.764907] pc : [<c004193a>]    lr : [<c0095217>]    psr: 00000033
[   11.764907] sp : df689f78  ip : 50c5387d  fp : 00000000
[   11.779814] r10: 00000000  r9 : df688000  r8 : c000c7e4
[   11.786596] r7 : 00000006  r6 : df668ac0  r5 : df688000  r4 : df590600
[   11.795070] r3 : 004de000  r2 : 004de000  r1 : 00000000  r0 : c065a4e4
[   11.803546] Flags: nzcv  IRQs on  FIQs on  Mode SVC_32  ISA Thumb  
Segment user
[   11.813035] Control: 50c5387d  Table: 9f694019  DAC: 00000015
[   11.820494] Process systemd-journal (pid: 94, stack limit = 0xdf688240)
[   11.829081] Stack: (0xdf689f78 to 0xdf68a000)
[   11.912084] 9f60:                                                       
df590600 c0095313
[   11.947711] 9f80: df590600 00000000 df04f880 c0092ebb ffffffff 00000000 
000408b8 c0092e5b
[   11.978467] 9fa0: b6d65450 c000c641 ffffffff 00000000 0000000b fbad2408 
ffffffff b6d65450
[   12.016333] 9fc0: ffffffff 00000000 000408b8 00000006 000294dc becbd898 
00038018 00000000
[   12.075746] 9fe0: 00000000 becbd02c b6d666ac b6d65460 600f0010 0000000b 
00000000 00000000
[   12.086479] [<c004193a>] (lg_local_lock_cpu+0xa/0x38) from [<c0095217>] 
(file_sb_list_del+0x13/0x30)
[   12.098422] [<c0095217>] (file_sb_list_del+0x13/0x30) from [<c0095313>] 
(fput+0x37/0x94)
[   12.108973] [<c0095313>] (fput+0x37/0x94) from [<c0092ebb>] 
(filp_close+0x3b/0x44)
[   12.118833] [<c0092ebb>] (filp_close+0x3b/0x44) from [<c0092e5b>] 
(sys_close+0x19/0x3e)
[   12.129284] [<c0092e5b>] (sys_close+0x19/0x3e) from [<c000c641>] 
(ret_fast_syscall+0x1/0x46)
[   12.153814] Code: 6803 f852 2021 189b (e853) 1f00
[   12.160097] ---[ end trace d575bd7267184c73 ]---
[   12.211348] Unable to handle kernel paging request at virtual address 
004de000
[   12.220841] pgd = df614000
[   12.224374] [004de000] *pgd=00000000
[   12.229043] Internal error: Oops: 5 [#2] SMP THUMB2
[   12.235373] Modules linked in: rfcomm ircomm_tty ircomm irda ipv6 hidp 
bluetooth rfkill autofs4
[   12.246731] CPU: 0    Tainted: G      D       (3.8.13 #1)
[   12.253761] PC is at lg_local_lock_cpu+0xa/0x38
[   12.259644] LR is at file_sb_list_del+0x13/0x30
[   12.265527] pc : [<c004193a>]    lr : [<c0095217>]    psr: 00000033
[   12.265527] sp : df051f78  ip : 50c5387d  fp : 00000000
[   12.280434] r10: 00000000  r9 : df050000  r8 : c000c7e4
[   12.287216] r7 : 00000006  r6 : df04cac0  r5 : df050000  r4 : df7db3c0
[   12.295690] r3 : 004de000  r2 : 004de000  r1 : 00000000  r0 : c065a4e4
[   12.304164] Flags: nzcv  IRQs on  FIQs on  Mode SVC_32  ISA Thumb  
Segment user
[   12.313653] Control: 50c5387d  Table: 9f614019  DAC: 00000015
[   12.321111] Process systemd (pid: 1, stack limit = 0xdf050240)
[   12.328682] Stack: (0xdf051f78 to 0xdf052000)
[   12.345274] 1f60:                                                       
df7db3c0 c0095313
[   12.374551] 1f80: df7db3c0 00000000 df04fe80 c0092ebb 00000024 00000000 
00118738 c0092e5b
[   12.397637] 1fa0: b6d55450 c000c641 00000024 00000000 00000024 b6f2b000 
00000000 b6d55450
[   12.419479] 1fc0: 00000024 00000000 00118738 00000006 0008d080 00000000 
001175f8 00000000
[   12.442632] 1fe0: 00000800 bef6541c b6d566ac b6d55460 600f0010 00000024 
de7d765f 5f9f2915
[   12.453409] [<c004193a>] (lg_local_lock_cpu+0xa/0x38) from [<c0095217>] 
(file_sb_list_del+0x13/0x30)
[   12.465307] [<c0095217>] (file_sb_list_del+0x13/0x30) from [<c0095313>] 
(fput+0x37/0x94)
[   12.475855] [<c0095313>] (fput+0x37/0x94) from [<c0092ebb>] 
(filp_close+0x3b/0x44)
[   12.485715] [<c0092ebb>] (filp_close+0x3b/0x44) from [<c0092e5b>] 
(sys_close+0x19/0x3e)
[   12.496141] [<c0092e5b>] (sys_close+0x19/0x3e) from [<c000c641>] 
(ret_fast_syscall+0x1/0x46)
[   12.518098] Code: 6803 f852 2021 189b (e853) 1f00
[   12.524447] ---[ end trace d575bd7267184c74 ]---
[   12.542113] Kernel panic - not syncing: Attempted to kill init! 
exitcode=0x0000000b
[   12.542113]
[   12.554002] drm_kms_helper: panic occurred, switching back to text 
console

I googled to find that this trace may mean some hardware trouble. But I 
can't figure which part of the hardware doesn't work.
I tried to boot another BBB board(reduced version, with AM3352, without 
emmc, hdmi), using the same SD card, and it worked. So I think it's not a 
software problem.
Would anyone give me some advice? 
Many thanks!
 

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