I got a WNDR3400v1.
Flashed trunk ( openwrt-wndr3400_v1-squashfs.chk ) from Netgear 1.0.0.50 firmware.
Update with Webinterface works ( openwrt-brcm47xx-squashfs.trx files)
[ 0.000000] Linux version 3.6.11 (tenchi@tenchi-htpc) (gcc version 4.6.4 20121210 (prerelease) (Linaro GCC 4.6-2012.12) ) #2 Sat Feb 16 03:31:20 CET 2013
[ 0.000000] CPU revision is: 00019740 (MIPS 74Kc)
[ 0.000000] bcm47xx: using bcma bus
[ 0.000000] bcma: bus0: Found chip with id 0x4716, rev 0x01 and package 0x0A
[ 0.000000] bcma: bus0: Core 0 found: ChipCommon (manuf 0x4BF, id 0x800, rev 0x1F, class 0x0)
[ 0.000000] bcma: bus0: Core 3 found: MIPS 74K (manuf 0x4A7, id 0x82C, rev 0x01, class 0x0)
[ 0.000000] bcma: bus0: Found rev 5 PMU (capabilities 0x11242C05)
[ 0.000000] bcma: bus0: Found serial flash
[ 0.000000] bus0: Found M25P64 serial flash (size: 8192KiB, blocksize: 0x10000, blocks: 128)
[ 0.000000] bcma: bus0: Early bus registered
[ 0.000000] Determined physical RAM map:
[ 0.000000] memory: 04000000 @ 00000000 (usable)
[ 0.000000] Initrd not found or empty - disabling initrd
[ 0.000000] Zone ranges:
[ 0.000000] Normal [mem 0x00000000-0x03ffffff]
[ 0.000000] Movable zone start for each node
[ 0.000000] Early memory node ranges
[ 0.000000] node 0: [mem 0x00000000-0x03ffffff]
[ 0.000000] On node 0 totalpages: 16384
[ 0.000000] free_area_init_node: node 0, pgdat 802de970, node_mem_map 81000000
[ 0.000000] Normal zone: 128 pages used for memmap
[ 0.000000] Normal zone: 0 pages reserved
[ 0.000000] Normal zone: 16256 pages, LIFO batch:3
[ 0.000000] Primary instruction cache 32kB, VIPT, 4-way, linesize 32 bytes.
[ 0.000000] Primary data cache 32kB, 4-way, VIPT, cache aliases, linesize 32 bytes
[ 0.000000] pcpu-alloc: s0 r0 d32768 u32768 alloc=1*32768
[ 0.000000] pcpu-alloc: [0] 0
[ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 16256
[ 0.000000] Kernel command line: root=/dev/mtdblock2 rootfstype=squashfs,jffs2 noinitrd console=ttyS0,115200
[ 0.000000] PID hash table entries: 256 (order: -2, 1024 bytes)
[ 0.000000] Dentry cache hash table entries: 8192 (order: 3, 32768 bytes)
[ 0.000000] Inode-cache hash table entries: 4096 (order: 2, 16384 bytes)
[ 0.000000] __ex_table already sorted, skipping sort
[ 0.000000] Writing ErrCtl register=00000000
[ 0.000000] Readback ErrCtl register=00000000
[ 0.000000] Memory: 61572k/65536k available (2416k kernel code, 3964k reserved, 519k data, 164k init, 0k highmem)
[ 0.000000] NR_IRQS:128
[ 0.032000] Calibrating delay loop... 225.02 BogoMIPS (lpj=450048)
[ 0.036000] pid_max: default: 32768 minimum: 301
[ 0.036000] Mount-cache hash table entries: 512
[ 0.036000] NET: Registered protocol family 16
[ 0.056000] bio: create slab <bio-0> at 0
[ 0.060000] Switching to clocksource MIPS
[ 0.068000] NET: Registered protocol family 2
[ 0.068000] TCP established hash table entries: 2048 (order: 2, 16384 bytes)
[ 0.068000] TCP bind hash table entries: 2048 (order: 1, 8192 bytes)
[ 0.068000] TCP: Hash tables configured (established 2048 bind 2048)
[ 0.068000] TCP: reno registered
[ 0.068000] UDP hash table entries: 256 (order: 0, 4096 bytes)
[ 0.068000] UDP-Lite hash table entries: 256 (order: 0, 4096 bytes)
[ 0.068000] NET: Registered protocol family 1
[ 0.068000] PCI: CLS 0 bytes, default 32
[ 0.072000] bcma: bus0: Core 1 found: IEEE 802.11 (manuf 0x4BF, id 0x812, rev 0x11, class 0x0)
[ 0.072000] bcma: bus0: Core 2 found: GBit MAC (manuf 0x4BF, id 0x82D, rev 0x00, class 0x0)
[ 0.072000] bcma: bus0: Core 4 found: USB 2.0 Host (manuf 0x4BF, id 0x819, rev 0x04, class 0x0)
[ 0.072000] bcma: bus0: Core 5 found: PCIe (manuf 0x4BF, id 0x820, rev 0x0E, class 0x0)
[ 0.072000] bcma: bus0: Core 6 found: DDR1/DDR2 Memory Controller (manuf 0x4BF, id 0x82E, rev 0x01, class 0x0)
[ 0.072000] bcma: bus0: Core 7 found: Internal Memory (manuf 0x4BF, id 0x80E, rev 0x07, class 0x0)
[ 0.072000] bcma: bus0: Core 8 found: I2S (manuf 0x4BF, id 0x834, rev 0x00, class 0x0)
[ 0.072000] Unsupported SPROM revision 0 detected. Will extract v1
[ 0.072000] bcma: bus0: Using SPROM revision 1 provided by platform.
[ 0.072000] bcma: bus0: PMU resource config unknown or not needed for device 0x4716
[ 0.076000] bcma: bus0: Workarounds unknown or not needed for device 0x4716
[ 0.076000] bcma: bus0: Initializing MIPS core...
[ 0.076000] bcma: bus0: Moved i2s interrupt to oob line 7 instead of 8
[ 0.076000] bcma: bus0: set_irq: core 0x0812, irq 3 => 3
[ 0.076000] bcma: bus0: set_irq: core 0x082d, irq 4 => 4
[ 0.076000] bcma: bus0: set_irq: core 0x0819, irq 5 => 5
[ 0.076000] bcma: bus0: set_irq: core 0x0820, irq 6 => 6
[ 0.076000] bcma: bus0: set_irq: core 0x0800, irq 2 => 2
[ 0.076000] bcma: bus0: set_irq: core 0x0834, irq 0 => 2
[ 0.076000] bcma: bus0: IRQ reconfiguration done
[ 0.076000] bcma: core 0x0800, irq : 2(S)* 3 4 5 6 D I
[ 0.076000] bcma: core 0x082c, irq : 2(S) 3 4 5 6 D I*
[ 0.076000] bcma: core 0x0812, irq : 2(S) 3* 4 5 6 D I
[ 0.076000] bcma: core 0x082d, irq : 2(S) 3 4* 5 6 D I
[ 0.076000] bcma: core 0x0819, irq : 2(S) 3 4 5* 6 D I
[ 0.076000] bcma: core 0x0820, irq : 2(S) 3 4 5 6* D I
[ 0.076000] bcma: core 0x082e, irq : 2(S) 3 4 5 6 D* I
[ 0.076000] bcma: core 0x080e, irq : 2(S) 3 4 5 6 D I*
[ 0.076000] bcma: core 0x0834, irq : 2(S)* 3 4 5 6 D I
[ 0.076000] bcma: bus0: PCIEcore in host mode found
[ 0.252000] PCI host bridge to bus 0000:00
[ 0.252000] pci_bus 0000:00: root bus resource [mem 0x08000000-0x0bffffff]
[ 0.252000] pci_bus 0000:00: root bus resource [io 0x0100-0x07ff]
[ 0.252000] pci_bus 0000:00: No busn resource found for root bus, will use [bus 00-ff]
[ 0.252000] pci_bus 0000:00: busn_res: [bus 00-ff] is inserted under domain [bus 00-ff]
[ 0.252000] pci 0000:00:00.0: [14e4:4716] type 00 class 0x060000
[ 0.252000] bcma: PCI: Fixing up bridge 0000:00:00.0
[ 0.252000] bcma: PCI: Fixing up device 0000:00:00.0
[ 0.252000] pci 0000:00:00.0: reg 10: [mem 0x00000000-0x00003fff 64bit]
[ 0.252000] pci 0000:00:00.0: reg 18: [mem 0x00000000-0x07ffffff 64bit]
[ 0.252000] pci 0000:00:00.0: supports D1 D2
[ 0.252000] pci 0000:00:00.1: [14e4:0000] type 00 class 0x060000
[ 0.252000] bcma: PCI: Fixing up bridge 0000:00:00.1
[ 0.252000] bcma: PCI: Fixing up device 0000:00:00.1
[ 0.252000] pci 0000:00:00.1: reg 10: [mem 0x00000000-0x00003fff 64bit]
[ 0.252000] pci 0000:00:00.1: reg 18: [mem 0x00000000-0x07ffffff 64bit]
[ 0.252000] pci 0000:00:00.1: supports D1 D2
[ 0.252000] pci 0000:00:01.0: [14e4:a8d8] type 00 class 0x028000
[ 0.252000] pci 0000:00:01.0: reg 10: [mem 0x00000000-0x00003fff 64bit]
[ 0.252000] bcma: PCI: Fixing up addresses 0000:00:01.0
[ 0.252000] pci 0000:00:01.0: BAR 0: assigned [mem 0x08000000-0x08003fff 64bit]
[ 0.252000] pci 0000:00:01.0: supports D1 D2
[ 0.252000] pci_bus 0000:00: busn_res: [bus 00-ff] end is updated to 00
[ 0.256000] PCI: Enabling device 0000:00:01.0 (0000 -> 0002)
[ 0.256000] bcma: PCI: Fixing up device 0000:00:01.0
[ 0.256000] bcma: bus1: Found chip with id 0xA8D8, rev 0x01 and package 0x08
[ 0.256000] bcma: bus1: Core 0 found: ChipCommon (manuf 0x4BF, id 0x800, rev 0x22, class 0x0)
[ 0.256000] bcma: bus1: Core 1 found: IEEE 802.11 (manuf 0x4BF, id 0x812, rev 0x17, class 0x0)
[ 0.256000] bcma: bus1: Core 2 found: PCIe (manuf 0x4BF, id 0x820, rev 0x0F, class 0x0)
[ 0.256000] bcma: bus1: Found rev 6 PMU (capabilities 0x108C2606)
[ 0.256000] Unsupported SPROM revision 0 detected. Will extract v1
[ 0.256000] bcma: bus1: Using SPROM revision 1 provided by platform.
[ 0.256000] bcma: bus1: PMU resource config unknown or not needed for device 0xA8D8
[ 0.268000] bcma: bus1: Bus registered
[ 0.272000] bcma: bus0: Bus registered
[ 0.276000] squashfs: version 4.0 (2009/01/31) Phillip Lougher
[ 0.276000] jffs2: version 2.2 (NAND) (SUMMARY) (LZMA) (RTIME) (CMODE_PRIORITY) (c) 2001-2006 Red Hat, Inc.
[ 0.276000] msgmni has been set to 120
[ 0.276000] io scheduler noop registered
[ 0.276000] io scheduler deadline registered (default)
[ 0.276000] Serial: 8250/16550 driver, 2 ports, IRQ sharing enabled
[ 0.300000] serial8250.0: ttyS0 at MMIO 0xb8000300 (irq = 2) is a U6_16550A
[ 0.784000] console [ttyS0] enabled
[ 0.792000] bcm47xx_sflash: found serial flash: blocksize=64KB, numblocks=128, size=8192KB
[ 0.804000] bcm47xx_part: bootloader size: 262144
[ 0.808000] bcm47xx_part: Looking for dual image
[ 0.812000] bcm47xx_part: TRX offset : 0
[ 0.816000] 5 bcm47xx partitions found on MTD device bcm47xx-sflash
[ 0.824000] Creating 5 MTD partitions on "bcm47xx-sflash":
[ 0.828000] 0x000000000000-0x000000040000 : "cfe"
[ 0.836000] 0x000000040000-0x0000007e0000 : "linux"
[ 0.844000] 0x000000137c00-0x0000007e0000 : "rootfs"
[ 0.852000] mtd: partition "rootfs" must either start or end on erase block boundary or be smaller than an erase block -- forcing read-only
[ 0.868000] mtd: partition "rootfs" set to be root filesystem
[ 0.872000] mtd: partition "rootfs_data" created automatically, ofs=480000, len=360000
[ 0.880000] 0x000000480000-0x0000007e0000 : "rootfs_data"
[ 0.888000] 0x0000007f0000-0x000000800000 : "nvram"
[ 0.896000] 0x0000007e0000-0x0000007f0000 : "board_data"
[ 0.908000] bcm47xx-wdt bcm47xx-wdt.0: BCM47xx Watchdog Timer enabled (30 seconds)
[ 0.916000] TCP: cubic registered
[ 0.920000] NET: Registered protocol family 17
[ 0.924000] 8021q: 802.1Q VLAN Support v1.8
[ 0.940000] VFS: Mounted root (squashfs filesystem) readonly on device 31:2.
[ 0.948000] Freeing unused kernel memory: 164k freed
[ 3.276000] diag: Router model not detected.
[ 3.736000] bgmac bcma0:1: Found PHY addr: 30 (NOREGS)
[ 3.744000] bgmac bcma0:1: Support for Roboswitch not implemented
[ 3.772000] bgmac: Broadcom 47xx GBit MAC driver loaded
[ 3.976000] roboswitch: Probing device 'eth0'
[ 4.056000] roboswitch: found a 5325! at eth0
[ 7.196000] diag: Router model not detected.
[ 10.844000] jffs2: notice: (343) jffs2_build_xattr_subsystem: complete building xattr subsystem, 21 of xdatum (0 unchecked, 20 orphan) and 27 of xref (0 dead, 20 orphan) found.
[ 11.796000] SCSI subsystem initialized
[ 11.996000] usbcore: registered new interface driver usbfs
[ 12.000000] usbcore: registered new interface driver hub
[ 12.008000] usbcore: registered new device driver usb
[ 12.440000] Initializing USB Mass Storage driver...
[ 12.444000] usbcore: registered new interface driver usb-storage
[ 12.452000] USB Mass Storage support registered.
[ 35.760000] Compat-drivers backport release: compat-drivers-2013-01-08-3
[ 35.764000] Backport based on wireless-testing.git master-2013-01-07
[ 35.772000] compat.git: wireless-testing.git
[ 35.816000] cfg80211: Calling CRDA to update world regulatory domain
[ 35.824000] cfg80211: World regulatory domain updated:
[ 35.828000] cfg80211: (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp)
[ 35.836000] cfg80211: (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)
[ 35.844000] cfg80211: (2457000 KHz - 2482000 KHz @ 20000 KHz), (300 mBi, 2000 mBm)
[ 35.852000] cfg80211: (2474000 KHz - 2494000 KHz @ 20000 KHz), (300 mBi, 2000 mBm)
[ 35.860000] cfg80211: (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)
[ 35.868000] cfg80211: (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)
[ 36.640000] b43-phy0: Broadcom 43224 WLAN found (core revision 23)
[ 36.648000] bcma: bus1: Switched to core: 0x812
[ 36.648000] b43-phy0: Found PHY: Analog 8, Type 4 (N), Revision 6
[ 36.656000] b43-phy1: Broadcom 4716 WLAN found (core revision 17)
[ 36.668000] b43-phy1: Found PHY: Analog 8, Type 4 (N), Revision 5
[ 36.676000] Broadcom 43xx driver loaded [ Features: PNL ]
[ 36.884000] Broadcom 43xx-legacy driver loaded [ Features: PLID ]
[ 36.992000] ieee80211 phy1: Selected rate control algorithm 'minstrel_ht'
[ 37.188000] ieee80211 phy0: Selected rate control algorithm 'minstrel_ht'
[ 37.292000] PPP generic driver version 2.4.2
[ 37.524000] ip_tables: (C) 2000-2006 Netfilter Core Team
[ 37.692000] NET: Registered protocol family 24
[ 37.744000] nf_conntrack version 0.5.0 (964 buckets, 3856 max)
[ 38.200000] usbcore: registered new interface driver ums-alauda
[ 38.224000] usbcore: registered new interface driver ums-cypress
[ 38.252000] usbcore: registered new interface driver ums-datafab
[ 38.276000] usbcore: registered new interface driver ums-freecom
[ 38.300000] usbcore: registered new interface driver ums-isd200
[ 38.324000] usbcore: registered new interface driver ums-jumpshot
[ 38.348000] usbcore: registered new interface driver ums-karma
[ 38.376000] usbcore: registered new interface driver ums-sddr09
[ 38.500000] usbcore: registered new interface driver ums-sddr55
[ 38.528000] usbcore: registered new interface driver ums-usbat
[ 42.748000] device eth0.0 entered promiscuous mode
[ 42.756000] device eth0 entered promiscuous mode
[ 42.772000] br-lan: port 1(eth0.0) entered forwarding state
[ 42.776000] br-lan: port 1(eth0.0) entered forwarding state
[ 44.780000] br-lan: port 1(eth0.0) entered forwarding state
[ 92.740000] Found board: "Unknown Board"
[ 3928.556000] b43-phy1: Loading firmware version 666.2 (2011-02-23 01:15:07)
[ 3929.004000] b43-phy1: Loading firmware version 666.2 (2011-02-23 01:15:07)
[ 3955.452000] b43-phy0: Loading firmware version 666.2 (2011-02-23 01:15:07)
[ 3955.724000] b43-phy0: Loading firmware version 666.2 (2011-02-23 01:15:07)
[ 3961.868000] b43-phy1: Loading firmware version 666.2 (2011-02-23 01:15:07)
[ 3962.184000] b43-phy1: Loading firmware version 666.2 (2011-02-23 01:15:07)
[ 4064.036000] b43-phy0: Loading firmware version 666.2 (2011-02-23 01:15:07)
[ 4064.164000] device wlan0 entered promiscuous mode
[ 4064.328000] b43-phy0: Loading firmware version 666.2 (2011-02-23 01:15:07)
[ 4064.408000] br-lan: port 2(wlan0) entered forwarding state
[ 4064.412000] br-lan: port 2(wlan0) entered forwarding state
[ 4066.416000] br-lan: port 2(wlan0) entered forwarding state
[ 4068.780000] b43-phy1: Loading firmware version 666.2 (2011-02-23 01:15:07)
[ 4068.948000] device wlan1 entered promiscuous mode
[ 4069.136000] b43-phy1: Loading firmware version 666.2 (2011-02-23 01:15:07)
[ 4069.272000] br-lan: port 3(wlan1) entered forwarding state
[ 4069.276000] br-lan: port 3(wlan1) entered forwarding state
[ 4071.280000] br-lan: port 3(wlan1) entered forwarding state