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NWR04B: 2.4.31-uc0

06 Nov 2005

Took a while, but I managed to get uClinux version 2.4.31 compiled and working on the router. I may release another firmware package, or I may wait until the mtd stuff is working. Looks like the newer drivers may handle the flash chip without needing a special driver... Here's where I am now:

Linux version 2.4.31-uc0 (aardvark@rearden) (gcc version 2.95.3 20010315 (release)) #13 Sun Nov 6 13:10:29 PST 2005
Processor: Conexant CX84200 revision 1
Architecture: cx84200
Reserving page zero for vector table
hm, page 00000000 reserved twice.
hm, page 00001000 reserved twice.
hm, page 00002000 reserved twice.
hm, page 00003000 reserved twice.
hm, page 00004000 reserved twice.
hm, page 00005000 reserved twice.
hm, page 00006000 reserved twice.
hm, page 00007000 reserved twice.
On node 0 totalpages: 2048
zone(0): 0 pages.
zone(1): 2048 pages.
zone(2): 0 pages.
Kernel command line: root=/dev/nfs nfsroot=192.168.23.254:/home/aardvark/nwr04b/nfsroot ip=192.168.23.12:192.168.23.254:::testf
Calibrating delay loop... 6.32 BogoMIPS
Memory: 8MB = 8MB total
Memory: 6480KB available (1108K code, 193K data, 52K init)
Dentry cache hash table entries: 1024 (order: 1, 8192 bytes)
Inode cache hash table entries: 512 (order: 0, 4096 bytes)
Mount cache hash table entries: 512 (order: 0, 4096 bytes)
Buffer cache hash table entries: 1024 (order: 0, 4096 bytes)
Page-cache hash table entries: 2048 (order: 1, 8192 bytes)
POSIX conformance testing by UNIFIX
Linux NET4.0 for Linux 2.4
Based upon Swansea University Computer Society NET3.039
Initializing RT netlink socket
Starting kswapd
JFFS2 version 2.1. (C) 2001 Red Hat, Inc., designed by Axis Communications AB.
RAMDISK driver initialized: 16 RAM disks of 4096K size 1024 blocksize
eth0: a0:98:76:54:32:10
physmap flash device: 8000000 at 20000000
FIXME:  Made it here: 140 in physmap.c
FIXME:  Made it here: 55 in cfi_probe.c
Unhandled fault: vector exception (0) at 0x1
fault-common.c(97): start_code=0x1198, start_stack=0xe3a02322)
Internal error: Oops: 0

I'm tracking down the source of that error, which happens when physmap_write16 is called from cfi_probe_chip. I'm wondering right now if it's because I said in the config file that the bus width is 16 bits; based on some earlier notes, I think it might be 32 bits. We'll have to see.

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