Ciao !!
Cerco di mandare tramite modalità BOOTP il firmware rinominato "recovery.rbi" ecco il risultato:
Gateway initialization sequence started
Status wait timeout: nandsts=0x70000000 mask=0x40000000, count=0
Boot Loader Version : 17.19.1062-0000000-20170512080206-5bebd9fb97718f93b20bca231a620df630da9918
Boot Loader OID : 59156bce30d40f7fd11860f1
CPU : BCM63138B0
RAM : 512MB
Flash : 250MB NAND
Board Mnemonic : VBNT-S
Market ID : FFFC
Variant ID : TI
Entering BOOT-P mode (reason: BUTTON_PUSH )
BOOTP Reply received
Local IP: 192.168.1.2
BOOTP Server IP: 192.168.1.77
TFTP Server IP: 192.168.1.77
Filename: (null)
TFTP started
Loading failed.: CFE error -21
Resetting the gateway
Ho creato un server DHCP con Tftp32.....è sbagliato ?
Si deve rinominare il file del firmware in un altro modo ?
Comunque il router arriva fino a questo punto:
19.902000] [<c000ddd4>] (handle_IPI+0x120/0x14c) from [<c00084dc>] (gic_handle_irq+0x50/0x58)
[ 19.902000] [<c00084dc>] (gic_handle_irq+0x50/0x58) from [<c0008d00>] (__irq_svc+0x40/0x70)
[ 19.902000] Exception stack(0xc0435f60 to 0xc0435fa8)
[ 19.902000] 5f60: 0000001f c04466fc 00000000 00000000 c0434000 c0434000 c04714c8 c030c780
[ 19.902000] 5f80: c044aaa8 414fc091 c0434000 00000000 01000000 c0435fa8 c000a254 c000a258
[ 19.902000] 5fa0: 60000013 ffffffff
[ 19.902000] [<c0008d00>] (__irq_svc+0x40/0x70) from [<c000a258>] (default_idle+0x28/0x30)
[ 19.902000] [<c000a258>] (default_idle+0x28/0x30) from [<c000a468>] (cpu_idle+0x94/0xdc)
[ 19.902000] [<c000a468>] (cpu_idle+0x94/0xdc) from [<c04127bc>] (start_kernel+0x2a4/0x2f0)
[ 19.902000] pmemoops :Failed to get the PMEM buffer [ (null) ] size
e poi si riavvia !!
Grazie