Hi, when I boot linux with UBoot on my custom board, nothing but it hangs there. The following is the output infomation throught serial port. What's the most probable cause of this problem? Thank you for your advices.

regards Hai gao

### main_loop: bootcmd="bootp 1000000; setenv bootargs root=ramfs console=ttyS00 ,9600 ip=$(ipaddr):$(serverip):$(rootpath):$(gatewayip):$(netmask):$(hostname):e th0:none; bootm" => => tftpboot 0x1000000 vmlinux.UBoot Trying i82559#0 Using i82559#0 device TFTP from server 10.71.58.94; our IP address is 10.71.58.110 Filename 'vmlinux.UBoot'. Load address: 0x1000000 Loading: ################################################################# ################################################################# done Bytes transferred = 664908 (a254c hex) => printenv bootcmd=bootp 1000000; setenv bootargs root=ramfs console=ttyS00,9600 ip=$(ipadd r):$(serverip):$(rootpath):$(gatewayip):$(netmask):$(hostname):eth0:none; bootm baudrate=38400 loads_echo=1 ethaddr=00:00:5b:ee:de:ad ethact=i82559#0 bootdelay=-1 stdin=serial stdout=serial stderr=serial filesize=a254c fileaddr=1000000 ipaddr=10.71.58.110 serverip=10.71.58.94

Environment size: 357/16380 bytes => imi 0x1000000

## Checking Image at 01000000 ... Image Name: Linux-2.4.24-pre2 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 664844 Bytes = 649.3 kB Load Address: 00000000 Entry Point: 00000000 Verifying Checksum ... OK => bootm 0x1000000

Booting progress->[0x1 ]## Booting image at 01000000 ...

Booting progress->[0x2 ] Booting progress->[0x3 ] Image Name: Linux-2.4.24-pre2 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 664844 Bytes = 649.3 kB Load Address: 00000000 Entry Point: 00000000 Verifying Checksum ... OK

Booting progress->[0x4 ] Booting progress->[0x5 ] Booting progress->[0x6 ] Uncompressing Kernel Image ... OK

Booting progress->[0x7 ] Booting progress->[0x8 ]## Current stack ends at 0x0FFB1BB8 => set upper l imit to 0x00800000 ## cmdline at 0x007FFF00 ... 0x007FFF00 bd address = 0x0FFB1FC8 memstart = 0x00000000 memsize = 0x10000000 flashstart = 0xFF000000 flashsize = 0x00800000 flashoffset = 0x00000000 sramstart = 0x00000000 sramsize = 0x00000000 bootflags = 0x00000001 intfreq = -165.-993 MHz busfreq = 99 MHz ethaddr = 00:00:5B:EE:DE:AD IP addr = 10.71.58.110 baudrate = 38400 bps

Booting progress->[0xe ]No initrd ## Transferring control to Linux (at address 00000000) ...

Booting progress->[0xf ]