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http://bbs.chinaunix.net/thread-2038953-1-1.html

## Booting image at 9f050000 ...

   Image Name:   Linux Kernel Image
   Created:      2013-12-16  23:11:38 UTC
   Image Type:   MIPS Linux Kernel Image (lzma compressed)
   Data Size:    1035226 Bytes = 1011 kB
   Load Address: 80002000
   Entry Point:  8021d3f0
   Verifying Checksum at 0x9f050040 ...OK
   Uncompressing Kernel Image ... OK
No initrd
## Transferring control to Linux (at address 8021d3f0) ...
## Giving linux memsize in bytes, 134217728


Starting kernel ...


Booting Atheros AR934x
Linux version 2.6.31--LSDK-9.2.0_U10.5.13 (root@localhost.localdomain) (gcc version 4.3.3 (GCC) ) #15 Tue Dec 3 12:00:48 CST 2013
flash_size passed from bootloader = 16
arg 1: console=ttyS0,115200
arg 2: root=31:03
arg 3: rootfstype=jffs2
arg 4: init=/sbin/init
arg 5: mtdparts=ath-nor0:256k(u-boot),64k(u-boot-env),1088k(uImage),14336k(rootfs),512k(config),64k(productinfo),64k(ART)
arg 6: mem=128M
CPU revision is: 0001974c (MIPS 74Kc)
ath_sys_frequency: cpu srif ddr srif cpu 560 ddr 450 ahb 225
Determined physical RAM map:
 memory: 02000000 @ 00000000 (usable)
User-defined physical RAM map:
 memory: 08000000 @ 00000000 (usable)
Initrd not found or empty - disabling initrd
Zone PFN ranges:
  Normal   0x00000000 -> 0x00008000
Movable zone start PFN for each node
early_node_map[1] active PFN ranges
    0: 0x00000000 -> 0x00008000
Built 1 zonelists in Zone order, mobility grouping on.  Total pages: 32512
Kernel command line: console=ttyS0,115200 root=31:03 rootfstype=jffs2 init=/sbin/init mtdparts=ath-nor0:256k(u-boot),64k(u-boot-env),1088k(uImage),14336k(rootfs),512k(config),64k(productinfo),64k(ART) mem=128M 
PID hash table entries: 512 (order: 9, 2048 bytes)
Dentry cache hash table entries: 16384 (order: 4, 65536 bytes)
Inode-cache hash table entries: 8192 (order: 3, 32768 bytes)
Primary instruction cache 64kB, VIPT, 4-way, linesize 32 bytes.
Primary data cache 32kB, 4-way, VIPT, cache aliases, linesize 32 bytes
Writing ErrCtl register=00000000
Readback ErrCtl register=00000000
Memory: 112412k/131072k available (2174k kernel code, 18488k reserved, 574k data, 160k init, 0k highmem)
NR_IRQS:128
plat_time_init: plat time init done
Calibrating delay loop... 279.55 BogoMIPS (lpj=559104)
Mount-cache hash table entries: 512


****************ALLOC***********************
 Packet mem: 802ea420 (0xe00000 bytes)
********************************************


NET: Registered protocol family 16
***** Warning *****: PCIe WLAN H/W not found !!!
bio: create slab <bio-0> at 0
NET: Registered protocol family 2
IP route cache hash table entries: 1024 (order: 0, 4096 bytes)
TCP established hash table entries: 4096 (order: 3, 32768 bytes)
TCP bind hash table entries: 4096 (order: 2, 16384 bytes)
TCP: Hash tables configured (established 4096 bind 4096)
TCP reno registered
NET: Registered protocol family 1
ATH GPIOC major 0
JFFS2 version 2.2 (ZLIB) (RTIME) (c) 2001-2006 Red Hat, Inc.
msgmni has been set to 219
alg: No test for stdrng (krng)
io scheduler noop registered
io scheduler deadline registered (default)
Serial: 8250/16550 driver, 1 ports, IRQ sharing disabled
serial8250.0: ttyS0 at MMIO 0xb8020000 (irq = 19) is a 16550A
console [ttyS0] enabled
brd: module loaded
PPP generic driver version 2.4.2
PPP Deflate Compression module registered
PPP BSD Compression module registered
PPP MPPE Compression module registered
NET: Registered protocol family 24
PPPoL2TP kernel driver, V1.0
SLIP: version 0.8.4-NET3.019-NEWTTY (dynamic channels, max=256).
CSLIP: code copyright 1989 Regents of the University of California.
7 cmdlinepart partitions found on MTD device ath-nor0
Creating 7 MTD partitions on "ath-nor0":
0x000000000000-0x000000040000 : "u-boot"
0x000000040000-0x000000050000 : "u-boot-env"
0x000000050000-0x000000160000 : "uImage"
0x000000160000-0x000000f60000 : "rootfs"
0x000000f60000-0x000000fe0000 : "config"
0x000000fe0000-0x000000ff0000 : "productinfo"
0x000000ff0000-0x000001000000 : "ART"
GACT probability NOT on
Mirror/redirect action on
u32 classifier
    Performance counters on
    Actions configured 
ip_tables: (C) 2000-2006 Netfilter Core Team
TCP cubic registered
Initializing XFRM netlink socket
NET: Registered protocol family 10
lo: Disabled Privacy Extensions
NET: Registered protocol family 17
NET: Registered protocol family 15
Bridge firewalling registered
Ebtables v2.0 registered
802.1Q VLAN Support v1.8 Ben Greear <greearb@candelatech.com>
All bugs added by David S. Miller <davem@redhat.com>
ath_otp_init: Registering OTP success
ath_clksw_init: Registering Clock Switch Interface success
VFS: Mounted root (jffs2 filesystem) readonly on device 31:3.
Freeing unused kernel memory: 160k freed
ATHR_GMAC: Length per segment 1536
ATHR_GMAC: fifo cfg 3 01f00140
ATHR_GMAC: RX TASKLET - Pkts per Intr:100
ATHR_GMAC: Mac address for unit 0:bfff0000
ATHR_GMAC: ff:ff:ff:ff:ff:ff 
======= AR8035 PHY Identifier [19:24] : 0xFFFF =======
ATHR_GMAC: Max segments per packet :   1
ATHR_GMAC: Max tx descriptor count :   128
ATHR_GMAC: Max rx descriptor count :   192
ATHR_GMAC: Mac capability flags    :   2580
athr_gmac_ring_alloc Allocated 2048 at 0x8796c000
athr_gmac_ring_alloc Allocated 3072 at 0x87933000 
CPU 0 Unable to handle kernel paging request at virtual address 00000000, epc == 00000000, ra == 8798464c
Oops[#1]:
Cpu 0
$ 0   : 00000000 00000065 00000000 80000007
$ 4   : 0000010c a0000000 ffffffff 00000020
$ 8   : 00000010 800f2780 00000015 87815de8
$12   : 87815df0 ffffffff 00000001 00000000
$16   : 00000001 879742c0 00000007 00000001
$20   : 1fffffff a0000000 80000007 18007fff
$24   : 00000008 87983e14                  
$28   : 8791a000 8791bd30 00000fa0 8798464c
Hi    : 00000000
Lo    : 000000e1
epc   : 00000000 (null)
    Not tainted
ra    : 8798464c athr_gmac_hw_setup+0x4c4/0x91c [athrs_gmac]
Status: 1100ff03    KERNEL EXL IE 
Cause : 00800008
BadVA : 00000000
PrId  : 0001974c (MIPS 74Kc)
Modules linked in: athrs_gmac
Process ifconfig (pid: 41, threadinfo=8791a000, task=878b7670, tls=00000000)
Stack : 00000008 80012978 fffffff2 8798de14 ffffffff 879742c0 00000001 ffffffff
        800f2090 800f2090 87974000 87931de0 80000000 879881c4 802b00c4 87911620
        87974000 87974030 87974000 87974000 87974000 87974030 879946a4 00001043
        00000000 00008914 7fb53d78 7fb53df8 00000000 8014fb7c 00000041 8014b8b8
        87937224 87995004 87974000 00000000 00001002 8014ef44 00000000 8791be18
        ...
Call Trace:
[<80012978>] r4k_dma_cache_inv+0x0/0xc0
[<800f2090>] __udelay+0x0/0x40
[<800f2090>] __udelay+0x0/0x40
[<879881c4>] athr_gmac_open+0x3e4/0x990 [athrs_gmac]
[<8014fb7c>] dev_open+0xe8/0x15c
[<8014b8b8>] dev_set_rx_mode+0x1c/0x2c
[<8014ef44>] dev_change_flags+0xd0/0x1c8
[<8014fc04>] dev_load+0x14/0x54
[<801aa8d8>] devinet_ioctl+0x2d4/0x80c
[<80150730>] dev_ioctl+0x3fc/0x78c
[<8013c844>] sock_ioctl+0x29c/0x2f4
[<8007ba2c>] vfs_ioctl+0x2c/0x78
[<8007c130>] do_vfs_ioctl+0x5bc/0x610
[<8013d784>] sock_map_fd+0x44/0x98
[<8013df90>] sock_create+0x34/0x40
[<8007c1d4>] sys_ioctl+0x50/0x8c
[<8013e214>] sys_socket+0x54/0x7c
[<8000ddc4>] stack_done+0x20/0x3c




Code: (Bad address in epc)


Disabling lock debugging due to kernel taint
Segmentation fault
ifconfig: SIOCGIFFLAGS: No such device