Hilfe nix geht mehr

bekomme nichts Neues mehr auf meine Nokia, im Display steht loading kernel und das schreibt der Bootmanager:

#debug: DDF: Calibrating delay loop... debug: DDF: 67.79 BogoMIPS
debug: BMon V1.0 mID 01
debug: feID dd gtxID 0b
debug: fpID 5a dsID 01-03.0c.cf.05.00.00-d3
debug: HWrev X5 SWrev 0.81
debug: B/Ex/Fl(MB) 16/00/08
WATCHDOG reset enabled
dbox2:root> debug:
BOOTP/TFTP bootstrap loader (v0.3)
debug:
debug: Transmitting BOOTP request via broadcast
debug: Got BOOTP reply from Server IP 192.168.0.221, My IP 192.168.0.242
debug: Sending TFTP-request for file C/DboxBoot/ppcboot_writeflash
will verify ELF image, start= 0x800000, size= 201596
verify sig: 262
boot net: boot file has no valid signature
Branching to 0x40000

ppcboot 0.6.4 (Apr 11 2002 - 16:10:44)

Initializing...
CPU: PPC823ZTnnA at 67 MHz: 2 kB I-Cache 1 kB D-Cache
*** Warning: CPU Core has Silicon Bugs -- Check the Errata ***
Board: ### No HW ID - assuming TQM8xxL
DRAM: (faked) 32 MB

debug: DDF: Calibrating delay loop... debug: DDF: 67.79 BogoMIPS
debug: WATCHDOG RESET
debug: BMon V1.0 mID 01
debug: feID dd gtxID 0b
debug: fpID 5a dsID 01-03.0c.cf.05.00.00-d3
debug: HWrev X5 SWrev 0.81
debug: B/Ex/Fl(MB) 16/00/08
WATCHDOG reset enabled
dbox2:root> debug:
BOOTP/TFTP bootstrap loader (v0.3)
debug:
debug: Transmitting BOOTP request via broadcast
debug: Got BOOTP reply from Server IP 192.168.0.221, My IP 192.168.0.242
debug: Sending TFTP-request for file C/DboxBoot/ppcboot_writeflash
will verify ELF image, start= 0x800000, size= 201596
verify sig: 262
boot net: boot file has no valid signature
Branching to 0x40000