Pogoplug v4 bricked/blinking after trying to flash arch

[geopapa]

Hi ,

I recently bought a Pogoplug v4 and tried to install archlinux arm on it following the instructions. The installation script finished with a "success" message but apparently something went wrong as after i rebooted it only blinked the front and ethernet leds
I also couldn't connect via SSH, couldn't restore stock (by creating revert folder in the usb disk) and also the led of the usb flash didn't light on.
So I did some research and found that there is a way to connect via serial. So I purchased the cable and here is my output (it also loops):

$this->bbcode_second_pass_code('', 'U-Boot 1.1.4 (Oct 1 2011 - 12:06:06) Cloud Engines 1.1.2 (3.4.27) PHYADDR=0

U-Boot code: 00600000 -> 0067FFF0 BSS: -> 006918B4

Soc: 88F6192 A1 (DDR2)
CPU running @ 800Mhz L2 running @ 400Mhz
SysClock = 200Mhz , TClock = 166Mhz

DRAM CAS Latency = 3 tRP = 3 tRAS = 8 tRCD=3
DRAM CS[0] base 0x00000000 size 128MB
DRAM Total size 128MB 16bit width
Addresses 8M - 0M are saved for the U-Boot usage.
Mem malloc Initialization (8M - 7M): Done
NAND:128 MB
Flash: 0 kB

CPU : Marvell Feroceon (Rev 1)
CLOUD ENGINES BOARD: PPV4A3

Streaming disabled
Write allocate disabled


USB 0: host mode
PEX 0: PCI Express Root Complex Interface
PEX interface detected Link X1
Net: egiga0 [PRIME]
Hit any key to stop autoboot: 0
Unknown command 'usb' - try 'help'

NAND read: device 0 offset 0x100000, size 0x73d0c
474380 bytes read: OK
## Starting application at 0x00800000 ...
undefined instruction
pc : [<00800004>] lr : [<0062e918>]
sp : 005ffdc8 ip : ffffffff fp : 00000000
r10: 00000000 r9 : 00721df8 r8 : 005fffcc
r7 : 00000000 r6 : 00000002 r5 : 00721e84 r4 : 00800000
r3 : 00000000 r2 : f1012000 r1 : 00721e84 r0 : 00000001
Flags: nZCv IRQs off FIQs off Mode SVC_32
Resetting CPU ...')

Could anyone help me ? I would like to find out how to restore the stock first if possible and then reflash arch. Any help would be very welcome but bear in mind that I'm a bit noob

Thanks in advance

[WarheadsSE]

$this->bbcode_second_pass_code('', 'NAND read: device 0 offset 0x100000, size 0x73d0c
474380 bytes read: OK
## Starting application at 0x00800000 ...
undefined instruction')

That output is a new one to me. I _think_ the V4 family supports kwboot, which would let you load a uboot over serial, and then boot that to do as necessary.

[geopapa]

Thanks very much for your quick reply!
I understand what you mean but I really don't know how (very new to this).. so would be very pleased if you/anybody gave me more detailed instructions if possible.
Thanks again

[WarheadsSE]

http://forum.doozan.com/read.php?3,7852,7852

[geopapa]

Thank you very much. I'll try this and report back.

[geopapa]

Finally managed to revert back to stock easily by changing enviroment variables http://archlinuxarm.org/forum/viewtopic.php?f=53&t=5339#p30133

[WarheadsSE]