wrong_bo
DD-WRT Novice
Joined: 01 May 2020
Posts: 10
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 Posted: Sun Aug 02, 2020 10:18 Post subject: How to check what happened when router get disconnected. |
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| Quote: | Router Name: DD-WRT
Router Model: Netgear R6400 v2
Firmware Version: DD-WRT v3.0-r40270M kongac (07/11/19)
Kernel Version: Linux 4.4.185 #670 SMP Thu Jul 11 02:19:39 CEST 2019 armv7l |
I encoutered an issue that sometimes the router will suddenly get disconnected, 5G singal will disappear and 2.4G keep existing though it cannot be connected. All indicator lights look normal. And I tried using a cable to connect computer and router and found router IP 192.168.1.1 is still not reachable. The only way is to power off and power on the router.
Not sure if the hot temperature is the culprit because summer is coming. I put a USB fan besides the router but the problem occurred again, maybe it needs an air conditioner.
I want to know the details of what happened. What is the steps to check debug logs? Here I pasted dmesg output after reboot.
| Quote: | root@DD-WRT:~# dmesg
Booting Linux on physical CPU 0x0
Linux version 4.4.185 (bluebat@helios) (gcc version 7.3.0 (OpenWrt GCC 7.3.0 r7398-9671a2d2c8) ) #670 SMP Thu Jul 11 02:19:39 CEST 2019
CPU: ARMv7 Processor [413fc090] revision 0 (ARMv7), cr=10c5387d
CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache
Machine: Northstar Prototype
Ignoring unrecognised tag 0x00000000
Memory policy: Data cache writealloc
map io
MPCORE found at 19020000 (VIRT 99020000) 18000000 98000000
Hit pending asynchronous external abort (FSR=0x00001c06) during first unmask, this is most likely caused by a firmware/bootloader bug.
On node 0 totalpages: 65536
free_area_init_node: node 0, pgdat 80520240, node_mem_map 86df8000
Normal zone: 256 pages used for memmap
Normal zone: 0 pages reserved
Normal zone: 32768 pages, LIFO batch:7
HighMem zone: 32768 pages, LIFO batch:7
PERCPU: Embedded 11 pages/cpu @86dd4000 s12876 r8192 d23988 u45056
pcpu-alloc: s12876 r8192 d23988 u45056 alloc=11*4096
pcpu-alloc: [0] 0 [0] 1
Built 1 zonelists in Zone order, mobility grouping on. Total pages: 65280
Kernel command line: console=ttyS0,115200 panic=10 root=/dev/mtdblock3 earlyprintk=1 rootfstype=squashfs,jffs2 noinitrd init=/bin/sh
PID hash table entries: 512 (order: -1, 2048 bytes)
Dentry cache hash table entries: 16384 (order: 4, 65536 bytes)
Inode-cache hash table entries: 8192 (order: 3, 32768 bytes)
Memory: 254060K/262144K available (3530K kernel code, 201K rwdata, 1248K rodata, 348K init, 409K bss, 8084K reserved, 0K cma-reserved, 131072K highmem)
Virtual kernel memory layout:
vector : 0xffff0000 - 0xffff1000 ( 4 kB)
fixmap : 0xffc00000 - 0xfff00000 (3072 kB)
vmalloc : 0x88800000 - 0xff800000 (1904 MB)
lowmem : 0x80000000 - 0x88000000 ( 128 MB)
pkmap : 0x7fe00000 - 0x80000000 ( 2 MB)
modules : 0x7f000000 - 0x7fe00000 ( 14 MB)
.text : 0x80008000 - 0x804b2e34 (4780 kB)
.init : 0x804b3000 - 0x8050a000 ( 348 kB)
.data : 0x8050a000 - 0x8053c6f4 ( 202 kB)
.bss : 0x8053f000 - 0x805a5434 ( 410 kB)
Hierarchical RCU implementation.
CONFIG_RCU_FANOUT set to non-default value of 2
Build-time adjustment of leaf fanout to 2.
NR_IRQS:256
MPCORE GIC init
soc_dmu_init
add clk lookups
MPCORE Global Timer Clock 500000000Hz on IRQ 27
sched_clock: 32 bits at 500MHz, resolution 2ns, wraps every 4294967295ns
clocksource: mpcore_gtimer: mask: 0xffffffffffffffff max_cycles: 0xe6a171a037, max_idle_ns: 881590485102 ns
register local timer
smp_twd: clock not found -2
Calibrating local timer... 499.64MHz.
Calibrating delay loop... 1987.37 BogoMIPS (lpj=9936896)
pid_max: default: 32768 minimum: 301
Security Framework initialized
Mount-cache hash table entries: 1024 (order: 0, 4096 bytes)
Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes)
CPU: Testing write buffer coherency: ok
CPU0: thread -1, cpu 0, socket 0, mpidr 80000000
2 cores has been found
Setting up static identity map for 0x85e0 - 0x8614
L2C: platform provided aux values permit register corruption.
L2C: DT/platform modifies aux control register: 0x0a130000 -> 0x7a530000
L2C-310 erratum 769419 enabled
L2C-310 enabling early BRESP for Cortex-A9
L2C-310 full line of zeros enabled for Cortex-A9
L2C-310 dynamic clock gating enabled, standby mode enabled
L2C-310 cache controller enabled, 16 ways, 256 kB
L2C-310: CACHE_ID 0x410000c8, AUX_CTRL 0x4e530001
CPU1: thread -1, cpu 1, socket 0, mpidr 80000001
Brought up 2 CPUs
SMP: Total of 2 processors activated (3981.31 BogoMIPS).
clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
futex hash table entries: 512 (order: 3, 32768 bytes)
NET: Registered protocol family 16
DMA: preallocated 256 KiB pool for atomic coherent allocations
coherence_win_size = 40000000
coherence_flag = FFFFFFF8
ddr_phys_offset_va =FFFFFFFF
ddr_phys_offset2_va =A8000000
Found a Mxic NAND flash:
Total size: 128MB
Block size: 128KB
Page Size: 2048B
OOB Size: 64B
Sector size: 512B
Spare size: 16B
ECC level: 8 (8-bit)
Device ID: 0xc2 0xf1 0x80 0x95 0x 2 0x00
found nand nvram at 80000
CCA UART Clock Config: Sel=1 Ovr=1 Div=48
CCA UART Clock rate 100000000Hz CCB UART Clock rate 100000000Hz
clocksource: Switched to clocksource mpcore_gtimer
NET: Registered protocol family 2
TCP established hash table entries: 1024 (order: 0, 4096 bytes)
TCP bind hash table entries: 1024 (order: 1, 8192 bytes)
TCP: Hash tables configured (established 1024 bind 1024)
UDP hash table entries: 256 (order: 1, 8192 bytes)
UDP-Lite hash table entries: 256 (order: 1, 8192 bytes)
NET: Registered protocol family 1
PCI: CLS 0 bytes, default 64
init gpio code
Netgear R7000P init
PCI: no core
PCI: no core
PCI: scanning bus 0
PCI host bridge to bus 0000:00
pci_bus 0000:00: root bus resource [io 0x0000-0xffffffff]
pci_bus 0000:00: root bus resource [mem 0x00000000-0xffffffff]
pci_bus 0000:00: root bus resource [bus 00-ff]
pci 0000:00:00.0: [14e4:0800] type 00 class 0x050100
pci 0000:00:00.0: reg 0x10: [mem 0x18000000-0x18000fff]
pci 0000:00:00.0: reg 0x30: [mem 0x00000000-0x000007ff pref]
pci 0000:00:01.0: [14e4:050b] type 00 class 0xffffff
pci 0000:00:01.0: reg 0x10: [mem 0x18001000-0x18001fff]
pci 0000:00:01.0: reg 0x14: [mem 0x18002000-0x18002fff]
pci 0000:00:01.0: reg 0x30: [mem 0x00000000-0x000007ff pref]
pci 0000:00:02.0: [14e4:0502] type 00 class 0xffffff
pci 0000:00:02.0: reg 0x10: [mem 0x1802c000-0x1802cfff]
pci 0000:00:02.0: reg 0x30: [mem 0x00000000-0x000007ff pref]
pci 0000:00:03.0: [14e4:4715] type 00 class 0x020000
pci 0000:00:03.0: reg 0x10: [mem 0x18024000-0x18024fff]
pci 0000:00:03.0: reg 0x30: [mem 0x00000000-0x000007ff pref]
pci 0000:00:04.0: [14e4:4715] type 00 class 0x020000
pci 0000:00:04.0: reg 0x10: [mem 0x18025000-0x18025fff]
pci 0000:00:04.0: reg 0x30: [mem 0x00000000-0x000007ff pref]
pci 0000:00:05.0: [14e4:4715] type 00 class 0x020000
pci 0000:00:05.0: reg 0x10: [mem 0x18026000-0x18026fff]
pci 0000:00:05.0: reg 0x30: [mem 0x00000000-0x000007ff pref]
pci 0000:00:06.0: [14e4:4715] type 00 class 0x020000
pci 0000:00:06.0: reg 0x10: [mem 0x18027000-0x18027fff]
pci 0000:00:06.0: reg 0x30: [mem 0x00000000-0x000007ff pref]
pci 0000:00:07.0: [14e4:0501] type 00 class 0xffffff
pci 0000:00:07.0: reg 0x10: [mem 0x18012000-0x18012fff]
pci 0000:00:07.0: reg 0x30: [mem 0x00000000-0x000007ff pref]
pci 0000:00:08.0: [14e4:0501] type 00 class 0xffffff
pci 0000:00:08.0: reg 0x10: [mem 0x18013000-0x18013fff]
pci 0000:00:08.0: reg 0x30: [mem 0x00000000-0x000007ff pref]
pci 0000:00:09.0: [14e4:0501] type 00 class 0xffffff
pci 0000:00:09.0: reg 0x10: [mem 0x18014000-0x18014fff]
pci 0000:00:09.0: reg 0x30: [mem 0x00000000-0x000007ff pref]
pci 0000:00:0a.0: [14e4:0510] type 00 class 0xffffff
pci 0000:00:0a.0: reg 0x10: [mem 0x1800b000-0x1800bfff]
pci 0000:00:0a.0: reg 0x14: [mem 0x1800c000-0x1800cfff]
pci 0000:00:0a.0: reg 0x30: [mem 0x00000000-0x000007ff pref]
pci 0000:00:0b.0: [14e4:471a] type 00 class 0x0c0310
pci 0000:00:0b.0: reg 0x10: [mem 0x18022000-0x18022fff]
pci 0000:00:0b.0: reg 0x30: [mem 0x00000000-0x000007ff pref]
pci 0000:00:0b.1: [14e4:471a] type 00 class 0x0c0320
pci 0000:00:0b.1: reg 0x10: [mem 0x18021000-0x18021fff]
pci 0000:00:0b.1: reg 0x30: [mem 0x00000000-0x000007ff pref]
pci 0000:00:0c.0: [14e4:472a] type 00 class 0x0c0330
pci 0000:00:0c.0: reg 0x10: [mem 0x18023000-0x18023fff]
pci 0000:00:0c.0: reg 0x30: [mem 0x00000000-0x000007ff pref]
pci 0000:00:0d.0: [14e4:0506] type 00 class 0xffffff
pci 0000:00:0d.0: reg 0x10: [mem 0x18210000-0x1821ffff]
pci 0000:00:0d.0: reg 0x30: [mem 0x00000000-0x000007ff pref]
pci 0000:00:0e.0: [14e4:0507] type 00 class 0xffffff
pci 0000:00:0e.0: reg 0x10: [mem 0x18010000-0x18010fff]
pci 0000:00:0e.0: reg 0x30: [mem 0x00000000-0x000007ff pref]
pci 0000:00:0f.0: [14e4:0508] type 00 class 0xffffff
pci 0000:00:0f.0: [Firmware Bug]: reg 0x10: invalid BAR (can't size)
pci 0000:00:0f.0: reg 0x30: [mem 0x00000000-0x000007ff pref]
pci 0000:00:10.0: [14e4:0509] type 00 class 0xffffff
pci 0000:00:10.0: reg 0x10: [mem 0x18028000-0x18028fff]
pci 0000:00:10.0: reg 0x30: [mem 0x00000000-0x000007ff pref]
pci 0000:00:11.0: [14e4:050a] type 00 class 0xffffff
pci 0000:00:11.0: reg 0x10: [mem 0x18029000-0x18029fff]
pci 0000:00:11.0: reg 0x30: [mem 0x00000000-0x000007ff pref]
PCI: Fixing up bus 0 domain 0
PCIE1 link=1
PCIE1 switching to GEN2
PCIE1 link=1
PCI host bridge to bus 0001:00
pci_bus 0001:00: root bus resource [mem 0x08000000-0x0fffffff]
pci_bus 0001:00: No busn resource found for root bus, will use [bus 00-ff]
pci 0001:00:00.0: [14e4:d611] type 01 class 0x060400
pci 0001:00:00.0: PME# supported from D0 D3hot D3cold
PCI: Fixing up bus 0 domain 1
PCI: bus0: Fast back to back transfers disabled
pci 0001:01:00.0: [14e4:4331] type 00 class 0x028000
pci 0001:01:00.0: reg 0x10: [mem 0x00000000-0x00003fff 64bit]
pci 0001:01:00.0: can't set Max Payload Size to 512; if necessary, use "pci=pcie_bus_safe" and report a bug
pci 0001:01:00.0: supports D1 D2
PCI: Fixing up bus 1 domain 1
PCI: bus1: Fast back to back transfers disabled
pci_bus 0001:01: busn_res: [bus 01-ff] end is updated to 01
pci_bus 0001:00: busn_res: [bus 00-ff] end is updated to 01
pci 0001:00:00.0: BAR 8: assigned [mem 0x08000000-0x080fffff]
pci 0001:01:00.0: BAR 0: assigned [mem 0x08000000-0x08003fff 64bit]
pci 0001:00:00.0: PCI bridge to [bus 01]
pci 0001:00:00.0: bridge window [mem 0x08000000-0x080fffff]
PCIE2 link=1
PCIE2 switching to GEN2
PCIE2 link=1
PCI host bridge to bus 0002:00
pci_bus 0002:00: root bus resource [mem 0x20000000-0x27ffffff]
pci_bus 0002:00: No busn resource found for root bus, will use [bus 00-ff]
pci 0002:00:00.0: [14e4:d611] type 01 class 0x060400
pci 0002:00:00.0: PME# supported from D0 D3hot D3cold
PCI: Fixing up bus 0 domain 2
PCI: bus0: Fast back to back transfers disabled
pci 0002:01:00.0: [14e4:4360] type 00 class 0x028000
pci 0002:01:00.0: reg 0x10: [mem 0x20000000-0x20007fff 64bit]
pci 0002:01:00.0: Max Payload Size set to 512 (was 128, max 512)
pci 0002:01:00.0: supports D1 D2
PCI: Fixing up bus 1 domain 2
PCI: bus1: Fast back to back transfers disabled
pci_bus 0002:01: busn_res: [bus 01-ff] end is updated to 01
pci_bus 0002:00: busn_res: [bus 00-ff] end is updated to 01
pci 0002:00:00.0: BAR 8: assigned [mem 0x20000000-0x200fffff]
pci 0002:01:00.0: BAR 0: assigned [mem 0x20000000-0x20007fff 64bit]
pci 0002:00:00.0: PCI bridge to [bus 01]
pci 0002:00:00.0: bridge window [mem 0x20000000-0x200fffff]
PCIE3 link=0
squashfs: version 4.0 (2009/01/31) Phillip Lougher
io scheduler noop registered (default)
io scheduler cfq registered
serial8250_init
Serial: 8250/16550 driver, 3 ports, IRQ sharing disabled
console [ttyS0] disabled
serial8250.0: ttyS0 at MMIO 0x18000300 (irq = 117, base_baud = 6250000) is a 16550
console [ttyS0] enabled
serial8250.0: ttyS1 at MMIO 0x18000400 (irq = 117, base_baud = 6250000) is a 16550
brd: module loaded
loop: module loaded
bcmsflash: found no supported devices
Boot partition size = 524288(0x80000)
lookup_nflash_rootfs_offset: offset = 0x200000 size = 0x3e00000, 0x20000
found TRX Header on nflash!
nflash: squash filesystem with lzma found at block 29
Creating 5 MTD partitions on "nflash":
0x000000000000-0x000000080000 : "boot"
0x000000080000-0x000000200000 : "nvram"
0x000000200000-0x000004000000 : "linux"
0x0000003a0000-0x000004000000 : "rootfs"
0x000007200000-0x000007280000 : "board_data"
PPP generic driver version 2.4.2
PPP BSD Compression module registered
PPP Deflate Compression module registered
PPP MPPE Compression module registered
NET: Registered protocol family 24
i2c /dev entries driver
GACT probability NOT on
Mirror/redirect action on
Simple TC action Loaded
netem: version 1.3
u32 classifier
Performance counters on
input device check on
Actions configured
Netfilter messages via NETLINK v0.30.
nf_conntrack version 0.5.0 (3969 buckets, 15876 max)
nf_conntrack_rtsp v0.7 loading
xt_time: kernel timezone is -0000
ip_set: protocol 6
gre: GRE over IPv4 demultiplexor driver
nf_nat_rtsp v0.7 loading
ip_tables: (C) 2000-2006 Netfilter Core Team
NET: Registered protocol family 17
bridge: automatic filtering via arp/ip/ip6tables has been deprecated. Update your scripts to load br_netfilter if you need this.
Bridge firewalling registered
8021q: 802.1Q VLAN Support v1.8
Registering SWP/SWPB emulation handler
max nvram space = 131072
read 131072 bytes to offset 0
Key type encrypted registered
Northstar brcmnand NAND Flash Controller driver, Version 0.1 (c) Broadcom Inc. 2012
nand: device found, Manufacturer ID: 0xc2, Chip ID: 0xf1
nand: Macronix NAND 128MiB 3,3V 8-bit
nand: 128 MiB, SLC, erase size: 128 KiB, page size: 2048, OOB size: 64
Spare area=64 eccbytes 56, ecc bytes located at:
2 3 4 5 6 7 8 9 10 11 12 13 14 15 18 19 20 21 22 23 24 25 26 27 28 29 30 31 34 35 36 37 38 39 40 41 42 43 44 45 46 47 50 51 52 53 54 55 56 57 58 59 60 61 62 63
Available 7 bytes at (off,len):
(1,1) (16,2) (32,2) (48,2) (0,0) (0,0) (0,0) (0,0) (0,0) (0,0) (0,0) (0,0) (0,0) (0,0) (0,0) (0,0) (0,0) (0,0) (0,0) (0,0) (0,0) (0,0) (0,0) (0,0) (0,0) (0,0) (0,0) (0,0) (0,0) (0,0) (0,0) (0,0)
Scanning device for bad blocks
Options: NO_SUBPAGE_WRITE,
Creating 1 MTD partitions on "brcmnand":
0x000004000000-0x000007000000 : "ddwrt"
VFS: Mounted root (squashfs filesystem) readonly on device 31:3.
Freeing unused kernel memory: 348K
et: module license 'Proprietary' taints kernel.
Disabling lock debugging due to kernel taint
et_module_init: passivemode set to 0x0
et_module_init: txworkq set to 0x0
et_module_init: et_txq_thresh set to 0x400
et_module_init: et_rxlazy_timeout set to 0x3e8
et_module_init: et_rxlazy_framecnt set to 0x20
et_module_init: et_rxlazy_dyn_thresh set to 0
ET Corerev 7
R7000P LED fix.
eth0: Broadcom BCM47XX 10/100/1000 Mbps Ethernet Controller 7.14.89.21 (r524987)
et2: etc_attach() failed
roboswitch: Probing device 'eth0'
roboswitch: trying a 53011! at eth0
detected CPU Port is 5
roboswitch: found a 53011! at eth0
detected CPU Port is 5
wl_module_init: passivemode set to 0x0
wl_module_init: txworkq set to 0x0
PCI: Enabling device 0001:01:00.0 (0140 -> 0142)
eth1: Broadcom BCM4331 802.11 Wireless Controller 7.14.89.21 (r524987)
eth2: Broadcom BCM4360 802.11 Wireless Controller 7.14.89.21 (r524987)
eth0: mixed HW and IP checksum settings.
device br0 entered promiscuous mode
device vlan1 entered promiscuous mode
device eth0 entered promiscuous mode
device eth1 entered promiscuous mode
device eth2 entered promiscuous mode
br0: port 3(eth2) entered forwarding state
br0: port 3(eth2) entered forwarding state
br0: port 2(eth1) entered forwarding state
br0: port 2(eth1) entered forwarding state
br0: port 1(vlan1) entered forwarding state
br0: port 1(vlan1) entered forwarding state
device br0 left promiscuous mode
device br0 entered promiscuous mode
device br0 left promiscuous mode
device vlan2 entered promiscuous mode
random: dnsmasq: uninitialized urandom read (128 bytes read, 93 bits of entropy available)
random: dnsmasq: uninitialized urandom read (48 bytes read, 93 bits of entropy available)
device vlan2 left promiscuous mode
random: dnsmasq: uninitialized urandom read (128 bytes read, 112 bits of entropy available)
random: dnsmasq: uninitialized urandom read (48 bytes read, 112 bits of entropy available)
random: nonblocking pool is initialized
br0: port 3(eth2) entered forwarding state
br0: port 2(eth1) entered forwarding state
br0: port 1(vlan1) entered forwarding state |
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Alozaros
DD-WRT Guru
Joined: 16 Nov 2015
Posts: 6435
Location: UK, London, just across the river..
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| Posted: Sun Aug 02, 2020 12:45 Post subject: |
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this build you are on 40270 Kong is very old and even if you post your serial log (not your router log) Kong is no longer on the DDWRT ship, so not much help you will get anyway...
just move on and get another build...
Better read the new builds threads...in the last 10 BS builds a lot of new development its going on, regarding vital router services and new updates, so its on you to find the best medium according to your needs...  
_________________
Atheros
TP-Link WR740Nv1 ---DD-WRT 55630 WAP
TP-Link WR1043NDv2 -DD-WRT 55723 Gateway/DoT,Forced DNS,Ad-Block,Firewall,x4VLAN,VPN
TP-Link WR1043NDv2 -Gargoyle OS 1.15.x AP,DNS,QoS,Quotas
Qualcomm-Atheros
Netgear XR500 --DD-WRT 55779 Gateway/DoH,Forced DNS,AP Isolation,4VLAN,Ad-Block,Firewall,Vanilla
Netgear R7800 --DD-WRT 55779 Gateway/DoT,AD-Block,Forced DNS,AP&Net Isolation,x3VLAN,Firewall,Vanilla
Netgear R9000 --DD-WRT 55779 Gateway/DoT,AD-Block,AP Isolation,Firewall,Forced DNS,x2VLAN,Vanilla
Broadcom
Netgear R7000 --DD-WRT 55460 Gateway/SmartDNS/DoH,AD-Block,Firewall,Forced DNS,x3VLAN,VPN
NOT USING 5Ghz ANYWHERE
------------------------------------------------------
Stubby DNS over TLS I DNSCrypt v2 by mac913 |
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