I have an SRX 220H. Whenever it reboots (i.e. power failure) it comes up to loader>
Here is the bootup from console when I boot. The media must be fine because I can simply type "boot" at the loader> screen and everything comes up just fine.
loader>
loader>
loader> REBOOT
Resetting...
U-Boot 1.1.6-JNPR-1.9 (Build time: May 17 2010 - 06:30:31)
SRX_220_HIGHMEM board revision major:1, minor:18, serial #: AACM9977
OCTEON CN5020-SCP pass 1.1, Core clock: 700 MHz, DDR clock: 266 MHz (532 Mhz dat a rate)
DRAM: 1024 MB
Starting Memory POST...
Checking datalines... OK
Checking address lines... OK
Checking 512K memory for U-Boot... OK.
Running U-Boot CRC Test... OK.
Flash: 8 MB
USB: scanning bus for devices... 1 USB Device(s) found
scanning bus for storage devices... 0 Storage Device(s) found
Clearing DRAM........ done
BIST check passed.
Starting PCI
PCI Status: PCI 32-bit
PCI BAR 0: 0xf8000000, PCI BAR 1: Memory 0x00000000 PCI 0x00000000
Boot Media: usb internal-compact-flash
Net: octeth0
ide 0: Model: CF 1GB Firm: 20080112 Ser#: 0201 C 0000410415
Type: Removable Hard Disk
Capacity: 1006.0 MB = 0.9 GB (2060352 x 512)
POST Passed
Press SPACE to abort autoboot in 1 seconds
ELF file is 32 bit
Loading .text @ 0x8f000078 (244680 bytes)
Loading .rodata @ 0x8f03bc40 (13940 bytes)
Loading .rodata.str1.4 @ 0x8f03f2b4 (16432 bytes)
Loading set_Xcommand_set @ 0x8f0432e4 (100 bytes)
Loading .rodata.cst4 @ 0x8f043348 (20 bytes)
Loading .data @ 0x8f044000 (5608 bytes)
Loading .data.rel.ro @ 0x8f0455e8 (120 bytes)
Loading .data.rel @ 0x8f045660 (136 bytes)
Clearing .bss @ 0x8f0456e8 (11656 bytes)
## Starting application at 0x8f000078 ...
Consoles: U-Boot console
Found compatible API, ver. 1.9
FreeBSD/MIPS U-Boot bootstrap loader, Revision 1.9
(builder@zigeth.juniper.net, Mon May 17 05:45:58 UTC 2010)
Memory: 1024MB
Un-Protected 1 sectors
writing to flash...
Protected 1 sectors
No bootable media found. Entering loader prompt.
Type '?' for a list of commands, 'help' for more detailed help.