i have an original DM800 SE , once i have updated secondstage-dm800se-84.nfi and the device stuck into boot loop all i can see :
dhcp /flash/bootlogo.elf
(c) 2007,2008 Dream Multimedia GmbH. All rights reserved.
Dreambox DM800SE
FIRST STAGE 1.0/400 {BO23456}
2ND STAGE OK, build #84 (2011-09-01)
0.000 - BCM board setup
0.000 - fp init
0.000 - ca init
0.516 - load config
dCA: not existent, loading defaults
0.543 - config loaded.
* press [S] to enter setup
OLED found!
color oled reset
lcd: BOOT #84
P23 detected!
- read config file: /boot/secondstage.conf
detected jffs2 blocksize: 16kb
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
++++++++++++++++++++++B++++++++++++++++++++++++++++++++++++++++
++++++++++++++++++++++++++UUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUU
UUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUU
dreamupd initialized
Scanning JFFS2 FS: . done.
find_inode failed for name=secondstage.conf
load: Failed to find inode
- failed to open /boot/secondstage.conf
- failed to open /cf/autorun.bat
thank you for helping me fixing this