Hi
I'm using a Coldfire MC5235 with the latest Port uClinux-dist-20101026.
When I use the MTD-Block device with romfs it work correctly.
Using I with jffs2 I got this execption:
=============================================================
TFTP from server 172.16.64.28; our IP address is 172.16.2.1
Filename 'TestLinux/image.bin'.
Load address: 0x20000
Loading: #################################################################
#################################################################
#################################################################
#
done
Bytes transferred = 2866180 (2bbc04 hex)
## Starting application at 0x00020000 ...
Linux version 2.6.36-uc0 (wbusal...@wibu-linux) (gcc version 4.3.3 (Sourcery
G++ Lite 4.3-209) ) #9 Mon Nov 15 09:30:54 CET 2010
uClinux/COLDFIRE(m523x)
COLDFIRE port done by Greg Ungerer, g...@snapgear.com
Flat model support (C) 1998,1999 Kenneth Albanowski, D. Jeff Dionne
Motorola M5235EVB support (C)2005 Syn-tech Systems, Inc. (Jate Sujjavanich)
Built 1 zonelists in Zone order, mobility grouping off. Total pages: 4064
Kernel command line: root=/dev/mtdblock4 rw rootfstype=romfs
mtdparts=physmap-flash.0:16k(U-BootVect),8k(Env),40k(U-Bootp1),192k(U-Bootp2),1792k(flash),6M(jffs2)
PID hash table entries: 1024 (order: 0, 4096 bytes)
Dentry cache hash table entries: 2048 (order: 1, 8192 bytes)
Inode-cache hash table entries: 1024 (order: 0, 4096 bytes)
Memory available: 13248k/16384k RAM, (1612k kernel code, 178k data)
SLUB: Genslabs=12, HWalign=16, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
Hierarchical RCU implementation.
RCU-based detection of stalled CPUs is disabled.
Verbose stalled-CPUs detection is disabled.
NR_IRQS:256
Calibrating delay loop... 97.28 BogoMIPS (lpj=486400)
pid_max: default: 32768 minimum: 301
Mount-cache hash table entries: 512
NET: Registered protocol family 16
MCF523X MTD Info : Start=$FF800000 Size=$800000 Bandwidth=2
bio: create slab <bio-0> at 0
Switching to clocksource coldfire_dma_timer
NET: Registered protocol family 2
IP route cache hash table entries: 1024 (order: 0, 4096 bytes)
TCP established hash table entries: 512 (order: 0, 4096 bytes)
TCP bind hash table entries: 1024 (order: 0, 4096 bytes)
TCP: Hash tables configured (established 512 bind 1024)
TCP reno registered
UDP hash table entries: 256 (order: 0, 4096 bytes)
UDP-Lite hash table entries: 256 (order: 0, 4096 bytes)
NET: Registered protocol family 1
JFFS2 version 2.2. (NAND) © 2001-2006 Red Hat, Inc.
ROMFS MTD (C) 2007 Red Hat, Inc.
io scheduler noop registered
io scheduler cfq registered (default)
ColdFire internal UART serial driver
ttyS0 at MMIO 0x40000200 (irq = 77) is a ColdFire UART
console [ttyS0] enabled
ttyS1 at MMIO 0x40000240 (irq = 78) is a ColdFire UART
ttyS2 at MMIO 0x40000280 (irq = 79) is a ColdFire UART
brd: module loaded
physmap platform flash device: 00800000 at ff800000
physmap-flash.0: Found 1 x16 devices at 0x0 in 16-bit bank. Manufacturer ID
0x0000c2 Chip ID 0x0022cb
Amd/Fujitsu Extended Query Table at 0x0040
Amd/Fujitsu Extended Query version 1.1.
number of CFI chips: 1
6 cmdlinepart partitions found on MTD device physmap-flash.0
Creating 6 MTD partitions on "physmap-flash.0":
0x000000000000-0x000000004000 : "U-BootVect"
0x000000004000-0x000000006000 : "Env"
0x000000006000-0x000000010000 : "U-Bootp1"
0x000000010000-0x000000040000 : "U-Bootp2"
0x000000040000-0x000000200000 : "flash"
0x000000200000-0x000000800000 : "jffs2"
uclinux[mtd]: RAM probe address=0x1dfde8 size=0x108000
uclinux[mtd]: set ROMfs to be root filesystem
Creating 1 MTD partitions on "RAM":
0x000000000000-0x000000108000 : "ROMfs"
FEC Ethernet Driver
fec_enet_mii_bus: probed
PPP generic driver version 2.4.2
TCP cubic registered
NET: Registered protocol family 17
VFS: Mounted root (romfs filesystem) readonly on device 31:4.
Freeing unused kernel memory: 52k freed (0x1c6000 - 0x1d2000)
Shell invoked to run file: /etc/rc
Command: hostname uClinux
Command: /bin/expand /etc/ramfs.img /dev/ram1
Command: mount -t proc proc /proc
Command: mount -t ext2 /dev/ram1 /var
Command: mkdir /var/tmp
Command: mkdir /var/log
Command: mkdir /var/run
Command: mkdir /var/lock
Command: mkdir /var/empty
Command: ifconfig lo 127.0.0.1
Command: route add -net 127.0.0.0 netmask 255.0.0.0 lo
Command: dhcpcd -p -a eth0 &
[26]
Command: cat /etc/motd
Welcome to
eth0: no PHY, assuming direct connection to switch
PHY 0:00 not found
eth0: could not attach to PHY
____ _ _
/ __| ||_|
_ _| | | | _ ____ _ _ _ _
| | | | | | || | _ \| | | |\ \/ /
| |_| | |__| || | | | | |_| |/ \
| ___\____|_||_|_| |_|\____|\_/\_/
| |
|_|
For further information check:
http://www.uclinux.org/
Execution Finished, Exiting
Sash command shell (version 1.1.1)
/> Nov 30 00:00:07 dhcpcd[26]: dhcpStart: ioctl SIOCSIFFLAGS: No such device
/> mount -t jffs2 /dev/rom5 /mnt
/> ls /mnt
/> cp /bin/sh /mnt/sh
BUG: failure at mm/slub.c:2833/kfree()!
Kernel panic - not syncing: BUG!
Stack from 00defca4:
00defcdc 00189e2e 0019ded8 001d4193 001d4193 00000400 0019c7fc
00defce8
00000001 00e0a000 00000006 00db4600 00308140 00daa830 00001000
00060e86
0019c7fc 0019c7df 001a305d 00000b11 0018f466 00daa830 00000006
00fa1000
00daa830 000b6758 00e0a000 00fa4000 00db4600 00001000 00000000
00000000
00001000 0000000c 00fa1000 00f9a164 00000000 0030b480 00defda4
00000000
00000000 00000a8e 00001000 0000ff84 00e0a000 000b0f74 00db4600
00f9a13c
Call Trace with CONFIG_FRAME_POINTER disabled:
[00189e2e] [0019ded8] [0019c7fc] [00060e86] [0019c7fc]
[0019c7df] [001a305d] [0018f466] [000b6758] [000b0f74]
[0004dac4] [00192e80] [0004f0ee] [0004f324] [00063f84]
[00064178] [00064ca8] [00064b6e] [00064ca8] [00064ce8]
[00022fa8]
=========================================================================
What can I do to get this working ?
Regards
Wilfried
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