1 (edited by javirnof 2012-09-05 22:37:09)

Topic: Tp Link TL-MR3420 bricked

Hi. I´ve bricked my router. I´ve coneccted via serial to unbrick it. I conecct correctly, but can´t write in console because appear "Kernel panic".... 

C¡H¨Õ½½Ñ1.1.4 (Jan 25 2011 - 12:06:31)

AP99 (ar7241 - Virian) U-boot
ar7240_ddr_initial_config(133): virian ddr1 init
¤¤¤$¢AVALUE 1 = 0xf, 2 = 0x10 [0x0: 0x1f]
32 MB
sector count = 64
Flash:  4 MB
U®Ëëdefault environment

  Out:   serial
Err:   serial
ªÑé   ag7240_enet_initialize...
No valid address in Flash. Using fixed address
No valid address in Flash. Using fixed address
¹MDC CFG Value ==> 4
: cfg1 0xf cfg2 0x7014
    Virian MDC CFG Value ==> 4
: cfg1 0xf cfg2 0x7214
ATHRS26: resetting s26
PJ5%²ÒÉ6 reset done
     eth0, eth1
Autobooting in 1 seconds
¤$½½Ñ¥¹image at 9f020000 ...
   Uncompressing Kernel Image ... jªH¨HhE
ÉÑ¥¹kernel ...

Linux version (jow@nd-build-02.linux-appliance.net) (gcc version 4.3.3 (GCC) ) #5 Wed Dec 21 01:59:33 CET 2011
bootconsole [early0] enabled
CPU revision is: 00019374 (MIPS 24Kc)
Atheros AR7241 rev 1, CPU:400.000 MHz, AHB:200.000 MHz, DDR:400.000 MHz
Determined physical RAM map:
 memory: 02000000 @ 00000000 (usable)
Initrd not found or empty - disabling initrd
Zone PFN ranges:
  Normal   0x00000000 -> 0x00002000
Movable zone start PFN for each node
early_node_map[1] active PFN ranges
    0: 0x00000000 -> 0x00002000
¨W1 zonelists in Zone order, mobility grouping on.  Total pages: 8128
Kernel command line: rootfstype=squashfs,yaffs,jffs2 noinitrd console=ttyS0,115200 board=TL-MR3420
PID hash table entries: 128 (order: -3, 512 bytes)
Dentry cache hash table entries: 4096 (order: 2, 16384 bytes)
Inode-cache hash table entries: 2048 (order: 1, 8192 bytes)
Éåinstruction 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
SY[Kåé 29276k/32768k available (2126k kernel code, 3492k reserved, 423k data, 152k init, 0k highmem)
SLUB: Genslabs=7, HWalign=32, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
Hierarchical RCU implementation.
Calibrating delay loop... &I¢½
                              Mount-cache hash table entries: 512
ªQé Registered protocol family 16
¡¥¹is TP-LINK TL-MR3420
®ÖVkÑÉ¥¹PCI controller with io_map_base unset
Ñslab <bio-0> at 0
¥0000:00:00.0: PME# supported from D0 D1 D3hot
pci 0000:00:00.0: PME# disabled
PC¡¥¹to clocksource MIPSin1@0000:00:00.0
ªQé Registered protocol family 2
IP route cache hash table entries: 1024 (order: 0, 4096 bytes)
ÕAestablished hash table entries: 1024 (order: 1, 8192 bytes)
TCP bind hash table entries: 1024 (order: 0, 4096 bytes)
TCP: Hash tables configured (established 1024 bind 1024)
TCP reno registered
NET: Registered protocol family 1
Í¡Íé version 4.0 (2009/01/31) Phillip Lougher
Registering mini_fo version $Id$
JFFS2 version 2.2. (NAND) (SUMMARY)  © 2001-2006 Red Hat, Inc.
yaffs Dec 10 2011 18:14:12 Installing.
msgmni has been set to 57
io scheduler noop registered
io scheduler deadline registered (default)
±é 8250/16550 driver, 1 ports, IRQ sharing disabled
±á250.0: ttyS0 at MMIO 0x18020000 (irq = 11) is a 16550A
console [ttyS0] enabled, bootconsole disabled
console [ttyS0] enabled, bootconsole disabled
P«É½ÍAR71xx SPI Controller driver version 0.2.4
[¦á0 spi0.0: unrecognized JEDEC id 1c3016
XÖSÂá}µ¥½é probed
  ѡɽÍAG71xx at 0xba000000, irq 5
 Ò2½Õ¹an AR7240 built-in switch
   ѡɽÍAG71xx at 0xb9000000, irq 4
P«É½ÍAR71xx hardware watchdog driver version 0.1.0
ÕAwestwood registered
NET: Registered protocol family 17
802.1Q VLAN Support v1.8 Ben Greear <greearb@candelatech.com>
All bugs added by David S. Miller <davem@redhat.com>
¹¹½Ñopen root device "<NULL>" or unknown-block(0,0)
Please append a correct "root=" boot option; here are the available partitions:
Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0)

Anybody can help me? Thanks

Re: Tp Link TL-MR3420 bricked

Autobooting in 1 seconds

fast type   tpl (you have 1 sec)

and flash firmware with tftp method http://wiki.openwrt.org/ru/toh/tp-link/ … D1%8E.tftp

but like this ( ¤$½½Ñ¥¹)  means a bad serial connection 

between the tx-vcc on uart, put 10 k  (read english version wiki) I find it hard to explain;)