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OpenedIDCategoryTask TypePrioritySeveritySummaryReported InStatus
19.02.20192135KernelBug ReportVery LowLowADB AV4202 (BCM43222) wifi gets broadcasted but clients...AllUnconfirmed Task Description

I’ve tried OpenWRT on an ADB AV4202N. Everything works fine except wifi. I know the used Broadcom chip (BCM43222) is problematic but there is a bit of hope.

After installation the wifi is disabled by default. When enabling it and setting the country code correct(AT in my case) the network actually gets found by other devices but they just don’t get accepted by the ap. If i set an encryption this is also correctly broadcasted and recognized by other devices but it’s impossible to connect. Also the following values are shown in OpenWRT’s webinterface which is a strong indicator that something isn’t working correct: “Signal: 0 dBm | Noise: 0 dBm Bitrate: 0.0 Mbit/s”.

device id:

root@OpenWrt:~# for i in /sys/bus/pci/devices/*; do [ -f $i/vendor ] && echo "$(cat $i/vendor):$(cat $i/device) $(cat $i/subsystem_vendor):$(cat $i/subsystem_device)"; done
0x14e4:0xa8d6 0x14e4:0xa8d6
0x14e4:0x6368 0x14e4:0x6368

dmesg:

root@OpenWrt:~# dmesg
[    0.000000] Linux version 4.14.101 (buildbot@6167ddb9a6c5) (gcc version 7.4.0 (OpenWrt GCC 7.4.0 r9393-d0b4596)) #0 SMP Sun Feb 17 18:30:34 2019
[    0.000000] Detected Broadcom 0x6368 CPU revision b2
[    0.000000] CPU frequency is 400 MHz
[    0.000000] 64MB of RAM installed
[    0.000000] board_bcm963xx: Boot address 0xb8000000
[    0.000000] board_bcm963xx: CFE version: 1.0.37-102.6
[    0.000000] bootconsole [early0] enabled
[    0.000000] CPU0 revision is: 0002a031 (Broadcom BMIPS4350)
[    0.000000] board: board name: 96368_Swiss_S1
[    0.000000] MIPS: machine is ADB P.DG AV4202N
[    0.000000] Determined physical RAM map:
[    0.000000]  memory: 04000000 @ 00000000 (usable)
[    0.000000] Initrd not found or empty - disabling initrd
[    0.000000] Primary instruction cache 64kB, VIPT, 4-way, linesize 16 bytes.
[    0.000000] Primary data cache 32kB, 2-way, VIPT, cache aliases, linesize 16 bytes
[    0.000000] Zone ranges:
[    0.000000]   Normal   [mem 0x0000000000000000-0x0000000003ffffff]
[    0.000000] Movable zone start for each node
[    0.000000] Early memory node ranges
[    0.000000]   node   0: [mem 0x0000000000000000-0x0000000003ffffff]
[    0.000000] Initmem setup node 0 [mem 0x0000000000000000-0x0000000003ffffff]
[    0.000000] On node 0 totalpages: 16384
[    0.000000] free_area_init_node: node 0, pgdat 80577690, node_mem_map 81007330
[    0.000000]   Normal zone: 128 pages used for memmap
[    0.000000]   Normal zone: 0 pages reserved
[    0.000000]   Normal zone: 16384 pages, LIFO batch:3
[    0.000000] random: get_random_bytes called from start_kernel+0x80/0x4b4 with crng_init=0
[    0.000000] percpu: Embedded 14 pages/cpu @8108a000 s25984 r8192 d23168 u57344
[    0.000000] pcpu-alloc: s25984 r8192 d23168 u57344 alloc=14*4096
[    0.000000] pcpu-alloc: [0] 0 [0] 1 
[    0.000000] Built 1 zonelists, mobility grouping on.  Total pages: 16256
[    0.000000] Kernel command line: 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] Memory: 57676K/65536K available (4354K kernel code, 190K rwdata, 992K rodata, 1304K init, 211K bss, 7860K reserved, 0K cma-reserved)
[    0.000000] SLUB: HWalign=16, Order=0-3, MinObjects=0, CPUs=2, Nodes=1
[    0.000000] Hierarchical RCU implementation.
[    0.000000] NR_IRQS: 256
[    0.000000] genirq: irq_chip bcm6345-periph-intc did not update eff. affinity mask of irq 28
[    0.000000] clocksource: MIPS: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 9556302233 ns
[    0.000029] sched_clock: 32 bits at 200MHz, resolution 5ns, wraps every 10737418237ns
[    0.008242] Calibrating delay loop... 397.82 BogoMIPS (lpj=795648)
[    0.046765] pid_max: default: 32768 minimum: 301
[    0.052101] Mount-cache hash table entries: 1024 (order: 0, 4096 bytes)
[    0.058995] Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes)
[    0.072089] Hierarchical SRCU implementation.
[    0.079571] smp: Bringing up secondary CPUs ...
[    0.086729] SMP: Booting CPU1...
[    6.934360] Primary instruction cache 64kB, VIPT, 4-way, linesize 16 bytes.
[    6.934375] Primary data cache 32kB, 2-way, VIPT, cache aliases, linesize 16 bytes
[    6.934674] CPU1 revision is: 0002a031 (Broadcom BMIPS4350)
[    0.118454] Synchronize counters for CPU 1: 
[    0.139272] SMP: CPU1 is running
[    0.139326] done.
[    0.149437] smp: Brought up 1 node, 2 CPUs
[    0.171531] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645041785100000 ns
[    0.181656] futex hash table entries: 512 (order: 1, 8192 bytes)
[    0.188171] pinctrl core: initialized pinctrl subsystem
[    0.196658] NET: Registered protocol family 16
[    0.240012] registering PCI controller with io_map_base unset
[    0.246046] registering PCI controller with io_map_base unset
[    0.311758] PCI host bridge to bus 0000:00
[    0.316259] pci_bus 0000:00: root bus resource [mem 0x30000000-0x37ffffff]
[    0.323379] pci_bus 0000:00: root bus resource [io  0x8000000-0x8007fff]
[    0.330417] pci_bus 0000:00: root bus resource [??? 0x00000000 flags 0x0]
[    0.337680] pci_bus 0000:00: No busn resource found for root bus, will use [bus 00-ff]
[    0.346180] pci 0000:00:01.0: [14e4:a8d6] type 00 class 0x028000
[    0.348386] pci 0000:00:01.0: reg 0x10: [mem 0x00000000-0x00003fff]
[    0.355870] pci_bus 0000:00: busn_res: [bus 00-ff] end is updated to 00
[    0.356046] pci 0000:00:01.0: BAR 0: assigned [mem 0x30000000-0x30003fff]
[    0.364098] PCI host bridge to bus 0000:01
[    0.368541] pci_bus 0000:01: root bus resource [mem 0x38000000-0x3fffffff]
[    0.375647] pci_bus 0000:01: root bus resource [io  0x8008000-0x800ffff]
[    0.382570] pci_bus 0000:01: root bus resource [??? 0x00000000 flags 0x0]
[    0.389579] pci_bus 0000:01: No busn resource found for root bus, will use [bus 01-ff]
[    0.397943] pci 0000:01:1e.0: [14e4:6368] type 02 class 0x060700
[    0.398768] pci 0000:01:1e.0: bridge configuration invalid ([bus 00-00]), reconfiguring
[    0.407692] pci_bus 0000:02: busn_res: [bus 02-ff] end is updated to 05
[    0.407867] pci_bus 0000:01: busn_res: [bus 01-ff] end is updated to 05
[    0.408066] pci 0000:01:1e.0: BAR 10: assigned [mem 0x38000000-0x3fffffff]
[    0.415246] pci 0000:01:1e.0: BAR 7: assigned [io  0x8008000-0x80080ff]
[    0.422091] pci 0000:01:1e.0: BAR 8: assigned [io  0x8008400-0x80084ff]
[    0.428924] pci 0000:01:1e.0: CardBus bridge to [bus 02-05]
[    0.434692] pci 0000:01:1e.0:   bridge window [io  0x8008000-0x80080ff]
[    0.441518] pci 0000:01:1e.0:   bridge window [io  0x8008400-0x80084ff]
[    0.448343] pci 0000:01:1e.0:   bridge window [mem 0x38000000-0x3fffffff]
[    0.462606] clocksource: Switched to clocksource MIPS
[    0.472337] PCI: Enabling device 0000:00:01.0 (0000 -> 0002)
[    0.507397] ssb: Found chip with id 0xA8D6, rev 0x00 and package 0x08
[    0.514624] ssb: Core 0 found: ChipCommon (cc 0x800, rev 0x1E, vendor 0x4243)
[    0.515162] ssb: Core 1 found: IEEE 802.11 (cc 0x812, rev 0x10, vendor 0x4243)
[    0.515697] ssb: Core 2 found: PCI (cc 0x804, rev 0x0E, vendor 0x4243)
[    0.588530] ssb: Sonics Silicon Backplane found on PCI device 0000:00:01.0
[    0.596698] NET: Registered protocol family 2
[    0.604194] TCP established hash table entries: 1024 (order: 0, 4096 bytes)
[    0.606157] random: fast init done
[    0.612165] TCP bind hash table entries: 1024 (order: 1, 8192 bytes)
[    0.621583] TCP: Hash tables configured (established 1024 bind 1024)
[    0.628855] UDP hash table entries: 256 (order: 1, 8192 bytes)
[    0.635018] UDP-Lite hash table entries: 256 (order: 1, 8192 bytes)
[    0.642367] NET: Registered protocol family 1
[    0.647049] PCI: CLS 0 bytes, default 16
[    0.650334] Crashlog allocated RAM at address 0x3f00000
[    0.663506] workingset: timestamp_bits=30 max_order=14 bucket_order=0
[    0.692760] squashfs: version 4.0 (2009/01/31) Phillip Lougher
[    0.698841] jffs2: version 2.2 (NAND) (SUMMARY) (LZMA) (RTIME) (CMODE_PRIORITY) (c) 2001-2006 Red Hat, Inc.
[    0.753705] io scheduler noop registered
[    0.758168] io scheduler deadline registered (default)
[    0.768990] bcm6368-pinctrl 10000080.pin-controller: registered at mmio b0000080
[    0.780487] 10000100.serial: ttyS0 at MMIO 0x10000100 (irq = 10, base_baud = 1562500) is a bcm63xx_uart
[    0.790617] console [ttyS0] enabled
[    0.798066] bootconsole [early0] disabled
[    0.809201] bcm63xx-rng bcm63xx-rng: registered RNG driver
[    0.822290] 18000000.nor: Found 1 x16 devices at 0x0 in 16-bit bank. Manufacturer ID 0x000001 Chip ID 0x002101
[    0.832762] 18000000.nor: Found an alias at 0x1000000 for the chip at 0x0
[    0.832810] Amd/Fujitsu Extended Query Table at 0x0040
[    0.838153]   Amd/Fujitsu Extended Query version 1.3.
[    0.843377] number of CFI chips: 1
[    0.848379] Searching for RedBoot partition table in 18000000.nor at offset 0xfe0000
[    0.892656] No RedBoot partition table detected in 18000000.nor
[    0.898992] 3 fixed-partitions partitions found on MTD device 18000000.nor
[    0.906114] Creating 3 MTD partitions on "18000000.nor":
[    0.911623] 0x000000000000-0x000000020000 : "CFE"
[    0.922427] 0x000000020000-0x000000fe0000 : "linux"
[    0.933452] parser_imagetag: rootfs: CFE image tag found at 0x0 with version 6, board type 96368_Swiss_S1
[    0.943525] parser_imagetag: Partition 0 is kernel offset 100 and length 1c0970
[    0.951149] parser_imagetag: Partition 1 is rootfs offset 1c0a70 and length dff590
[    0.958961] parser_imagetag: Spare partition is offset 3e0004 and length bdfffc
[    0.966556] 2 bcm963xx-imagetag partitions found on MTD device linux
[    0.973131] Creating 2 MTD partitions on "linux":
[    0.978080] 0x000000000100-0x0000001c0a70 : "kernel"
[    0.988840] 0x0000001c0a70-0x000000fc0000 : "rootfs"
[    0.999352] mtd: device 3 (rootfs) set to be root filesystem
[    1.005321] 1 squashfs-split partitions found on MTD device rootfs
[    1.011731] 0x0000003e0000-0x000000fc0000 : "rootfs_data"
[    1.022907] 0x000000fe0000-0x000001000000 : "nvram"
[    1.039611] bcm63xx-spi 10000800.spi: at [mem 0x10000800-0x10000f0b flags 0x200] (irq 9, FIFOs size 542)
[    1.056412] libphy: Fixed MDIO Bus: probed
[    1.110601] b53_common: found switch: BCM63xx, rev 0
[    1.117669] bcm63xx-wdt bcm63xx-wdt:  started, timer margin: 30 sec
[    1.141575] NET: Registered protocol family 10
[    1.151168] Segment Routing with IPv6
[    1.155277] NET: Registered protocol family 17
[    1.160044] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[    1.173441] 8021q: 802.1Q VLAN Support v1.8
[    1.194502] VFS: Mounted root (squashfs filesystem) readonly on device 31:3.
[    1.222721] Freeing unused kernel memory: 1304K
[    1.227401] This architecture does not have kernel memory protection.
[    2.816654] init: Console is alive
[    2.820845] init: - watchdog -
[    5.378462] kmodloader: loading kernel modules from /etc/modules-boot.d/*
[    5.629748] usbcore: registered new interface driver usbfs
[    5.635909] usbcore: registered new interface driver hub
[    5.641949] usbcore: registered new device driver usb
[    5.666304] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
[    5.676645] ehci-platform: EHCI generic platform driver
[    5.790160] ehci-platform ehci-platform: EHCI Host Controller
[    5.796258] ehci-platform ehci-platform: new USB bus registered, assigned bus number 1
[    5.805004] ehci-platform ehci-platform: irq 15, io mem 0xb0001500
[    5.826142] ehci-platform ehci-platform: USB 2.0 started, EHCI 1.00, overcurrent ignored
[    5.838275] hub 1-0:1.0: USB hub found
[    5.842423] hub 1-0:1.0: 2 ports detected
[    5.859914] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
[    5.869326] ohci-platform: OHCI generic platform driver
[    5.875339] ohci-platform ohci-platform: Generic Platform OHCI controller
[    5.882509] ohci-platform ohci-platform: new USB bus registered, assigned bus number 2
[    5.891178] ohci-platform ohci-platform: irq 13, io mem 0xb0001600
[    5.961590] hub 2-0:1.0: USB hub found
[    5.965787] hub 2-0:1.0: 2 ports detected
[    5.975380] kmodloader: done loading kernel modules from /etc/modules-boot.d/*
[    5.988304] init: - preinit -
[    8.655702] random: jshn: uninitialized urandom read (4 bytes read)
[    9.040266] random: jshn: uninitialized urandom read (4 bytes read)
[    9.468482] random: jshn: uninitialized urandom read (4 bytes read)
[    9.864733] urandom_read: 1 callbacks suppressed
[    9.864759] random: jshn: uninitialized urandom read (4 bytes read)
[   10.598898] random: procd: uninitialized urandom read (4 bytes read)
[   10.625650] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
[   10.632236] bcm63xx_enetsw bcm63xx_enetsw.0: link UP on port3, 100Mbps, full-duplex
[   10.632481] bcm63xx_enetsw bcm63xx_enetsw.0: link UP on port4, 100Mbps, full-duplex
[   10.648613] IPv6: ADDRCONF(NETDEV_UP): eth0.1: link is not ready
[   10.655252] IPv6: ADDRCONF(NETDEV_CHANGE): eth0.1: link becomes ready
[   11.602155] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
[   14.565445] jffs2: notice: (432) jffs2_build_xattr_subsystem: complete building xattr subsystem, 4 of xdatum (0 unchecked, 4 orphan) and 45 of xref (6 dead, 39 orphan) found.
[   14.586507] mount_root: overlay filesystem has not been fully initialized yet
[   14.955513] mount_root: switching to jffs2 overlay
[   15.045541] overlayfs: upper fs does not support tmpfile.
[   15.061837] urandom-seed: Seed file not found (/etc/urandom.seed)
[   15.392035] procd: - early -
[   15.395412] procd: - watchdog -
[   16.324654] procd: - watchdog -
[   16.328865] procd: - ubus -
[   16.424722] random: ubusd: uninitialized urandom read (4 bytes read)
[   16.608655] random: ubusd: uninitialized urandom read (4 bytes read)
[   16.616496] random: ubusd: uninitialized urandom read (4 bytes read)
[   16.625939] procd: - init -
[   17.831377] kmodloader: loading kernel modules from /etc/modules.d/*
[   18.031668] ip6_tables: (C) 2000-2006 Netfilter Core Team
[   18.075416] Loading modules backported from Linux version v4.19.23-0-g67d52fae61c1
[   18.083356] Backport generated by backports.git v4.19.23-1-0-g480a925a
[   18.099683] ip_tables: (C) 2000-2006 Netfilter Core Team
[   18.141096] nf_conntrack version 0.5.0 (1024 buckets, 4096 max)
[   18.328363] xt_time: kernel timezone is -0000
[   18.539141] PPP generic driver version 2.4.2
[   18.551564] NET: Registered protocol family 24
[   18.608971] b43-phy0: Broadcom 43222 WLAN found (core revision 16)
[   18.658122] b43-phy0: Found PHY: Analog 8, Type 4 (N), Revision 6
[   18.664442] b43-phy0: Found Radio: Manuf 0x17F, ID 0x2056, Revision 6, Version 0
[   18.688057] Broadcom 43xx driver loaded [ Features: PNL ]
[   18.709707] ieee80211 phy0: Selected rate control algorithm 'minstrel_ht'
[   18.736997] kmodloader: done loading kernel modules from /etc/modules.d/*
[   22.095461] random: crng init done
[   22.098992] random: 1 urandom warning(s) missed due to ratelimiting
[   50.966616] bcm63xx_enetsw bcm63xx_enetsw.0: link UP on port3, 100Mbps, full-duplex
[   50.974838] bcm63xx_enetsw bcm63xx_enetsw.0: link UP on port4, 100Mbps, full-duplex
[   51.009263] br-lan: port 1(eth0.1) entered blocking state
[   51.015136] br-lan: port 1(eth0.1) entered disabled state
[   51.022906] device eth0.1 entered promiscuous mode
[   51.028018] device eth0 entered promiscuous mode
[   51.047687] br-lan: port 1(eth0.1) entered blocking state
[   51.053541] br-lan: port 1(eth0.1) entered forwarding state
[   51.060622] IPv6: ADDRCONF(NETDEV_UP): br-lan: link is not ready
[   51.955920] IPv6: ADDRCONF(NETDEV_CHANGE): br-lan: link becomes ready
[ 1005.490482] b43-phy0: Loading firmware version 666.2 (2011-02-23 01:15:07)
[ 1005.676804] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
[ 1005.704384] br-lan: port 2(wlan0) entered blocking state
[ 1005.710061] br-lan: port 2(wlan0) entered disabled state
[ 1005.716666] device wlan0 entered promiscuous mode
[ 1005.750838] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 1005.758685] br-lan: port 2(wlan0) entered blocking state
[ 1005.764276] br-lan: port 2(wlan0) entered forwarding state
[ 1194.941669] device wlan0 left promiscuous mode
[ 1194.947246] br-lan: port 2(wlan0) entered disabled state
[ 1195.732964] b43-phy0 ERROR: DMA RX reset timed out
[ 1196.013005] b43-phy0 ERROR: DMA TX reset timed out
[ 1196.042349] ssb: Timeout waiting for bitmask 01800000 on register 0F90 to clear.
[ 1198.385367] b43-phy0: Loading firmware version 666.2 (2011-02-23 01:15:07)
[ 1198.592303] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
[ 1198.698993] br-lan: port 2(wlan0) entered blocking state
[ 1198.704833] br-lan: port 2(wlan0) entered disabled state
[ 1198.712445] device wlan0 entered promiscuous mode
[ 1198.818777] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 1198.826665] br-lan: port 2(wlan0) entered blocking state
[ 1198.832441] br-lan: port 2(wlan0) entered forwarding state

iwinfo:

root@OpenWrt:~# iwinfo 
wlan0     ESSID: "OpenWrt32"
          Access Point: 02:10:18:01:00:02
          Mode: Master  Channel: 11 (2.462 GHz)
          Tx-Power: 20 dBm  Link Quality: unknown/70
          Signal: unknown  Noise: unknown
          Bit Rate: unknown
          Encryption: none
          Type: nl80211  HW Mode(s): 802.11bg
          Hardware: unknown [Generic MAC80211]
          TX power offset: unknown
          Frequency offset: unknown
          Supports VAPs: no  PHY name: phy0

iw phy0 info

root@OpenWrt:~# iw phy0 info
Wiphy phy0
	max # scan SSIDs: 4
	max scan IEs length: 2285 bytes
	max # sched scan SSIDs: 0
	max # match sets: 0
	max # scan plans: 1
	max scan plan interval: -1
	max scan plan iterations: 0
	Retry short limit: 7
	Retry long limit: 4
	Coverage class: 0 (up to 0m)
	Available Antennas: TX 0x3 RX 0x3
	Configured Antennas: TX 0x3 RX 0x3
	Supported interface modes:
		 * IBSS
		 * managed
		 * AP
		 * AP/VLAN
		 * monitor
		 * mesh point
	Band 1:
		Frequencies:
			* 2412 MHz [1] (20.0 dBm)
			* 2417 MHz [2] (20.0 dBm)
			* 2422 MHz [3] (20.0 dBm)
			* 2427 MHz [4] (20.0 dBm)
			* 2432 MHz [5] (20.0 dBm)
			* 2437 MHz [6] (20.0 dBm)
			* 2442 MHz [7] (20.0 dBm)
			* 2447 MHz [8] (20.0 dBm)
			* 2452 MHz [9] (20.0 dBm)
			* 2457 MHz [10] (20.0 dBm)
			* 2462 MHz [11] (20.0 dBm)
			* 2467 MHz [12] (20.0 dBm)
			* 2472 MHz [13] (20.0 dBm)
			* 2484 MHz [14] (disabled)
	interface combinations are not supported
	HT Capability overrides:
		 * MCS: ff ff ff ff ff ff ff ff ff ff
		 * maximum A-MSDU length
		 * supported channel width
		 * short GI for 40 MHz
		 * max A-MPDU length exponent
		 * min MPDU start spacing
	Supported extended features:
		* [ RRM ]: RRM
		* [ CQM_RSSI_LIST ]: multiple CQM_RSSI_THOLD records
		* [ CONTROL_PORT_OVER_NL80211 ]: control port over nl80211

lsmod

root@OpenWrt:~# lsmod
b43                   363971  0 
cfg80211              233424  2 b43,mac80211
compat                  6567  3 b43,mac80211,cfg80211
crc_ccitt               1051  1 ppp_async
ehci_hcd               42167  1 ehci_platform
ehci_platform           4288  0 
gpio_button_hotplug     6464  0 
ip_tables              11245  4 iptable_nat,iptable_mangle,iptable_filter
ip6_tables             10945 24 ip6table_mangle,ip6table_filter
ip6t_REJECT             1040  2 
ip6table_filter          704  1 
ip6table_mangle         1216  0 
ipt_MASQUERADE           736  1 
ipt_REJECT              1008  2 
iptable_filter           704  1 
iptable_mangle           960  0 
iptable_nat              768  1 
ledtrig_usbport         2800  0 
mac80211              462241  1 b43
nf_conntrack           70989 13 nf_conntrack_ipv6,ipt_MASQUERADE,xt_state,xt_nat,xt_conntrack,xt_REDIRECT,xt_CT,nf_nat_masquerade_ipv4,nf_conntrack_ipv4,nf_nat_ipv4,nf_nat,nf_flow_table,nf_conntrack_rtcache
nf_conntrack_ipv4       5168 10 
nf_conntrack_ipv6       5584  4 
nf_conntrack_rtcache    2752  0 
nf_defrag_ipv4          1174  1 nf_conntrack_ipv4
nf_defrag_ipv6          5022  1 nf_conntrack_ipv6
nf_flow_table          14031  2 xt_FLOWOFFLOAD,nf_flow_table_hw
nf_flow_table_hw        2240  1 
nf_log_common           2879  2 nf_log_ipv4,nf_log_ipv6
nf_log_ipv4             3424  0 
nf_log_ipv6             4112  0 
nf_nat                 15164  4 xt_nat,nf_nat_redirect,nf_nat_masquerade_ipv4,nf_nat_ipv4
nf_nat_ipv4             4017  1 iptable_nat
nf_nat_masquerade_ipv4    1628  1 ipt_MASQUERADE
nf_nat_redirect         1515  1 xt_REDIRECT
nf_reject_ipv4          2275  1 ipt_REJECT
nf_reject_ipv6          2728  1 ip6t_REJECT
nls_base                5456  1 usbcore
ohci_hcd               30127  1 ohci_platform
ohci_platform           3808  0 
ppp_async               7120  0 
ppp_generic            23138  3 pppoe,ppp_async,pppox
pppoe                   8672  0 
pppox                   1402  1 pppoe
slhc                    5147  1 ppp_generic
usb_common              2551  1 usbcore
usbcore               138769  5 ledtrig_usbport,ohci_platform,ohci_hcd,ehci_platform,ehci_hcd
x_tables               14175 24 ipt_REJECT,ipt_MASQUERADE,xt_time,xt_tcpudp,xt_state,xt_nat,xt_multiport,xt_mark,xt_mac,xt_limit,xt_conntrack,xt_comment,xt_TCPMSS,xt_REDIRECT,xt_LOG,xt_FLOWOFFLOAD,xt_CT,iptable_mangle,iptable_filter,ip_tables,ip6t_REJECT,ip6table_mangle,ip6table_filter,ip6_tables
xt_CT                   2720  0 
xt_FLOWOFFLOAD          2896  0 
xt_LOG                   816  0 
xt_REDIRECT              752  0 
xt_TCPMSS               2800  0 
xt_comment               528107 
xt_conntrack            2400 12 
xt_limit                1344 20 
xt_mac                   672  0 
xt_mark                  720  0 
xt_multiport            1312  0 
xt_nat                  1584  0 
xt_state                 768  0 
xt_tcpudp               1808  8 
xt_time                 1824  0 

Although there is another wifi in reach “iw dev wlan0 scan” on the device returns nothing.

This problem applies to current release of OpenWRT (18.06.2) and also to current Snapshot (r9393-d0b4596). It most certainly also applies to lede-17.01 but i haven’t tested it there for now. I think i had lede installed on the device during 2018 and had the same problem but i’m not sure.

Please let me know in case you need more info. I’m also willing to test things in order to help improve the OpenWRT support for the AV4202N. As the network gets found maybe the problem can be solved just by of configuration or arguments to the module.

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