[uClinux-dev] FEC freezes on m5235evb from flash

Greg Ungerer gerg at snapgear.com
Tue Oct 18 02:44:20 EDT 2005


Hi Stefano,

Stefano Caioli wrote:
> Hi all,
> I'm trying to boot uClinux from flash, but on FEC init the system freezes.
> If i execute the same image from ram it works.
> Any suggestions?
> Thanks.
> 
>              Stefano.
> 
> This is the output:
> 
> uClinux/COLDFIRE(m523x)
> COLDFIRE port done by Greg Ungerer, gerg at snapgear.com
> Flat model support (C) 1998,1999 Kenneth Albanowski, D. Jeff Dionne
> Motorola M5235EVB support (C)2005 Syn-tech Systems, Inc. (Jate Sujjavanich)<7>O6Built 1
> zonelists
> Kernel command line: root=1f00
> PID hash table entries: 128 (order: 7, 2048 bytes)
> Dentry cache hash table entries: 4096 (order: 2, 16384 bytes)
> Inode-cache hash table entries: 2048 (order: 1, 8192 bytes)
> Memory available: 14616k/16384k RAM, 0k/0k ROM (866k kernel code, 147k data)
> Mount-cache hash table entries: 512
> NET: Registered protocol family 16
> i8042.c: i8042 controller self test timeout.
> ColdFire internal UART serial driver version 1.00
> ttyS0 at 0x40000200 (irq = 77) is a builtin ColdFire UART
> ttyS1 at 0x40000240 (irq = 78) is a builtin ColdFire UART
> io scheduler noop registered
> io scheduler cfq registered
> RAMDISK driver initialized: 16 RAM disks of 4096K size 1024 blocksize
> FEC ENET Version 0.2

When you RAM boot what is the next kernel subsystem to print
out messages?

If it is MTD then it may be that the MTD flash probe is killing
your kernel running from flash...

Regards
Greg


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