Kernel log first part
> [ 0.000000] Linux version 4.9.152 (buildbot@7befac494a11) (gcc version 7.3.0 (OpenWrt GCC 7.3.0 r7676-cddd7b4c77) ) #0 SMP Wed Jan 30 12:21:02 2019
> [ 0.000000] SoC: xRX200 rev 1.2
> [ 0.000000] bootconsole [early0] enabled
> [ 0.000000] CPU0 revision is: 00019556 (MIPS 34Kc)
> [ 0.000000] MIPS: machine is TP-LINK TD-W8970
> [ 0.000000] Determined physical RAM map:
> [ 0.000000] memory: 04000000 @ 00000000 (usable)
> [ 0.000000] Initrd not found or empty - disabling initrd
> [ 0.000000] Detected 1 available secondary CPU(s)
> [ 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] 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 8054a8e0, node_mem_map 810091a0
> [ 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] percpu: Embedded 12 pages/cpu @8108c000 s17488 r8192 d23472 u49152
> [ 0.000000] pcpu-alloc: s17488 r8192 d23472 u49152 alloc=12*4096
> [ 0.000000] pcpu-alloc: [0] 0 [0] 1
> [ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 16256
> [ 0.000000] Kernel command line: console=ttyLTQ0,115200
> [ 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] Writing ErrCtl register=00018330
> [ 0.000000] Readback ErrCtl register=00018330
> [ 0.000000] Memory: 57900K/65536K available (4333K kernel code, 178K rwdata, 900K rodata, 1228K init, 228K bss, 7636K reserved, 0K cma-reserved)
> [ 0.000000] clocksource: MIPS: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645041786 ns
> [ 0.000012] sched_clock: 32 bits at 250MHz, resolution 4ns, wraps every 8589934590ns
> [ 0.007887] Calibrating delay loop... 332.54 BogoMIPS (lpj=665088)
> [ 0.042398] pid_max: default: 32768 minimum: 301
> [ 0.047287] Mount-cache hash table entries: 1024 (order: 0, 4096 bytes)
> [ 0.053815] Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes)
> [ 0.065923] Primary instruction cache 32kB, VIPT, 4-way, linesize 32 bytes.
> [ 0.065936] Primary data cache 32kB, 4-way, VIPT, cache aliases, linesize 32 bytes
> [ 0.066139] CPU1 revision is: 00019556 (MIPS 34Kc)
> [ 0.116546] Synchronize counters for CPU 1:
> [ 0.116548] done.
> [ 0.123063] Brought up 2 CPUs
> [ 0.130670] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645041785100000 ns
> [ 0.140336] futex hash table entries: 512 (order: 2, 16384 bytes)
> [ 0.146577] pinctrl core: initialized pinctrl subsystem
> [ 0.153130] NET: Registered protocol family 16
> [ 0.166718] pinctrl-xway 1e100b10.pinmux: Init done
> [ 0.172763] dma-xway 1e104100.dma: Init done - hw rev: 7, ports: 7, channels: 28
> [ 0.286237] dcdc-xrx200 1f106a00.dcdc: Core Voltage : 1016 mV
> [ 0.292060] Can't analyze schedule() prologue at 8043847c
> [ 0.426219] PCI host bridge /fpi@10000000/pcie@d900000 ranges:
> [ 0.460961] usbcore: registered new interface driver usbfs
> [ 0.466546] usbcore: registered new interface driver hub
> [ 0.471983] usbcore: registered new device driver usb
> [ 0.477739] PCI host bridge to bus 0000:00
> [ 0.481778] pci_bus 0000:00: root bus resource [mem 0x1c000000-0x1cffffff]
> [ 0.488686] pci_bus 0000:00: root bus resource [io 0x1d800000-0x1d8fffff]
> [ 0.495620] pci_bus 0000:00: root bus resource [??? 0x00000000 flags 0x0]
> [ 0.502499] pci_bus 0000:00: No busn resource found for root bus, will use [bus 00-ff]
> [ 0.510527] pci 0000:00:00.0: [1bef:0011] type 01 class 0x060000
> [ 0.510552] ifx_pcie_rc_class_early_fixup: fixed pcie host bridge to pci-pci bridge
> [ 0.518189] random: fast init done
> [ 0.531868] pci 0000:00:00.0: PME# supported from D0 D3hot
> [ 0.532704] pci 0000:01:00.0: [168c:abcd] type 00 class 0x020000
> [ 0.532817] pci 0000:01:00.0: reg 0x10: [mem 0x00000000-0x0001ffff 64bit]
> [ 0.532923] pci 0000:01:00.0: reg 0x30: [mem 0x00000000-0x0000ffff pref]
> [ 0.533129] pci 0000:01:00.0: supports D1
> [ 0.533152] pci 0000:01:00.0: PME# supported from D0 D1 D3hot
> [ 0.533543] pci_bus 0000:01: busn_res: [bus 01-ff] end is updated to 01
> [ 0.533602] pci_bus 0000:00: busn_res: [bus 00-ff] end is updated to 01
> [ 0.533686] pci 0000:00:00.0: BAR 8: assigned [mem 0x1c000000-0x1c0fffff]
> [ 0.540396] pci 0000:00:00.0: BAR 9: assigned [mem 0x1c100000-0x1c1fffff pref]
> [ 0.547702] pci 0000:01:00.0: BAR 0: assigned [mem 0x1c000000-0x1c01ffff 64bit]
> [ 0.555072] pci 0000:01:00.0: BAR 6: assigned [mem 0x1c100000-0x1c10ffff pref]
> [ 0.562364] pci 0000:00:00.0: PCI bridge to [bus 01]
> [ 0.567383] pci 0000:00:00.0: bridge window [mem 0x1c000000-0x1c0fffff]
> [ 0.574225] pci 0000:00:00.0: bridge window [mem 0x1c100000-0x1c1fffff pref]
> [ 0.581553] ifx_pcie_bios_map_irq port 0 dev 0000:00:00.0 slot 0 pin 1
> [ 0.588183] ifx_pcie_bios_map_irq dev 0000:00:00.0 irq 144 assigned
> [ 0.594577] ifx_pcie_bios_map_irq port 0 dev 0000:01:00.0 slot 0 pin 1
> [ 0.601198] ifx_pcie_bios_map_irq dev 0000:01:00.0 irq 144 assigned
> [ 0.609709] clocksource: Switched to clocksource MIPS
> [ 0.617358] NET: Registered protocol family 2
> [ 0.623013] TCP established hash table entries: 1024 (order: 0, 4096 bytes)
> [ 0.629914] TCP bind hash table entries: 1024 (order: 1, 8192 bytes)
> [ 0.636342] TCP: Hash tables configured (established 1024 bind 1024)
> [ 0.642844] UDP hash table entries: 256 (order: 1, 8192 bytes)
> [ 0.648691] UDP-Lite hash table entries: 256 (order: 1, 8192 bytes)
> [ 0.655267] NET: Registered protocol family 1
> [ 0.659646] PCI: CLS 0 bytes, default 32
> [ 0.660450] gptu: totally 6 16-bit timers/counters
> [ 0.665342] gptu: misc_register on minor 63
> [ 0.669548] gptu: succeeded to request irq 126
> [ 0.673990] gptu: succeeded to request irq 127
> [ 0.678481] gptu: succeeded to request irq 128
> [ 0.683025] gptu: succeeded to request irq 129
> [ 0.687506] gptu: succeeded to request irq 130
> [ 0.692044] gptu: succeeded to request irq 131
> [ 0.696946] phy-xrx200 gphy-xrx200: requesting lantiq/xrx200_phy11g_a22.bin
> [ 0.704496] phy-xrx200 gphy-xrx200: booting GPHY0 firmware at 3A60000
> [ 0.710852] phy-xrx200 gphy-xrx200: booting GPHY1 firmware at 3A60000
> [ 0.818834] No VPEs reserved for AP/SP, not initialize VPE loader
> [ 0.818834] Pass maxvpes=<n> argument as kernel argument
> [ 0.830203] No TCs reserved for AP/SP, not initializing RTLX.
> [ 0.830203] Pass maxtcs=<n> argument as kernel argument
> [ 0.843097] Crashlog allocated RAM at address 0x3f00000
> [ 0.849050] workingset: timestamp_bits=30 max_order=14 bucket_order=0
> [ 0.871836] squashfs: version 4.0 (2009/01/31) Phillip Lougher
> [ 0.877664] jffs2: version 2.2 (NAND) (SUMMARY) (LZMA) (RTIME) (CMODE_PRIORITY) (c) 2001-2006 Red Hat, Inc.
> [ 0.893846] io scheduler noop registered
> [ 0.897601] io scheduler deadline registered (default)
> [ 0.904224] 1e100c00.serial: ttyLTQ0 at MMIO 0x1e100c00 (irq = 112, base_baud = 0) is a lantiq,asc
> [ 0.913158] console [ttyLTQ0] enabled
> [ 0.920478] bootconsole [early0] disabled
> [ 0.932033] spi-lantiq-ssc 1e100800.spi: Lantiq SSC SPI controller (Rev 8, TXFS 8, RXFS 8, DMA 1)
> [ 0.941518] m25p80 spi32766.4: en25q64 (8192 Kbytes)
> [ 0.945175] 4 fixed-partitions partitions found on MTD device spi32766.4
> [ 0.951844] Creating 4 MTD partitions on "spi32766.4":
> [ 0.956949] 0x000000000000-0x000000020000 : "u-boot"
> [ 0.964195] 0x000000020000-0x0000007c0000 : "firmware"
> [ 1.322423] random: crng init done
> [ 1.748246] 2 tplink-fw partitions found on MTD device firmware
> [ 1.752767] 0x000000020000-0x0000001cb316 : "kernel"
> [ 1.759719] 0x0000001cb318-0x0000007c0000 : "rootfs"
> [ 1.766040] mtd: device 3 (rootfs) set to be root filesystem
> [ 1.770542] 1 squashfs-split partitions found on MTD device rootfs
> [ 1.776547] 0x0000004f0000-0x0000007c0000 : "rootfs_data"
> [ 1.783905] 0x0000007c0000-0x0000007d0000 : "config"
> [ 1.790084] 0x0000007d0000-0x000000800000 : "boardconfig"
> [ 1.798440] libphy: Fixed MDIO Bus: probed
> [ 1.906205] libphy: lantiq,xrx200-mdio: probed
> [ 1.986324] Intel XWAY PHY11G (PEF 7071/PEF 7072) v1.4 0:00: attached PHY driver [Intel XWAY PHY11G (PEF 7071/PEF 7072) v1.4] (mii_bus:phy_addr=0:00, irq=-1)
> [ 2.070290] Intel XWAY PHY11G (PEF 7071/PEF 7072) v1.4 0:05: attached PHY driver [Intel XWAY PHY11G (PEF 7071/PEF 7072) v1.4] (mii_bus:phy_addr=0:05, irq=-1)
> [ 2.154276] Intel XWAY PHY11G (xRX v1.2 integrated) 0:11: attached PHY driver [Intel XWAY PHY11G (xRX v1.2 integrated)] (mii_bus:phy_addr=0:11, irq=-1)
> [ 2.238274] Intel XWAY PHY11G (xRX v1.2 integrated) 0:13: attached PHY driver [Intel XWAY PHY11G (xRX v1.2 integrated)] (mii_bus:phy_addr=0:13, irq=-1)
> [ 2.354020] ltq-cputemp cputemp@0: Current CPU die temperature: 43.0 °C
> [ 2.359689] wdt 1f8803f0.watchdog: Init done
> [ 2.368551] NET: Registered protocol family 10
> [ 2.373553] NET: Registered protocol family 17
> [ 2.376758] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
> [ 2.389569] 8021q: 802.1Q VLAN Support v1.8
> [ 2.405035] VFS: Mounted root (squashfs filesystem) readonly on device 31:3.
> [ 2.414976] Freeing unused kernel memory: 1228K
> [ 2.418115] This architecture does not have kernel memory protection.
> [ 3.233492] init: Console is alive
> [ 3.235834] init: - watchdog -
> [ 4.293920] lantiq,xrx200-net 1e108000.eth eth0: port 4 got link
> [ 4.629839] kmodloader: loading kernel modules from /etc/modules-boot.d/*
> [ 4.790778] dwc2 1e101000.ifxhcd: requested GPIO 495
> [ 4.896160] dwc2 1e101000.ifxhcd: DWC OTG Controller
> [ 4.899844] dwc2 1e101000.ifxhcd: new USB bus registered, assigned bus number 1
> [ 4.907109] dwc2 1e101000.ifxhcd: irq 62, io mem 0x00000000
> [ 4.912631] dwc2 1e101000.ifxhcd: Hardware does not support descriptor DMA mode -
> [ 4.920060] dwc2 1e101000.ifxhcd: falling back to buffer DMA mode.
> [ 4.927763] hub 1-0:1.0: USB hub found
> [ 4.930289] hub 1-0:1.0: 1 port detected
> [ 5.035946] dwc2 1e106000.ifxhcd: DWC OTG Controller
> [ 5.039608] dwc2 1e106000.ifxhcd: new USB bus registered, assigned bus number 2
> [ 5.046875] dwc2 1e106000.ifxhcd: irq 91, io mem 0x00000000
> [ 5.052385] dwc2 1e106000.ifxhcd: Hardware does not support descriptor DMA mode -
> [ 5.059838] dwc2 1e106000.ifxhcd: falling back to buffer DMA mode.
> [ 5.067612] hub 2-0:1.0: USB hub found
> [ 5.070128] hub 2-0:1.0: 1 port detected
> [ 5.075580] kmodloader: done loading kernel modules from /etc/modules-boot.d/*
> [ 5.084096] init: - preinit -
> [ 9.496740] jffs2: notice: (433) jffs2_build_xattr_subsystem: complete building xattr subsystem, 0 of xdatum (0 unchecked, 0 orphan) and 0 of xref (0 dead, 0 orphan) found.
> [ 9.517278] mount_root: switching to jffs2 overlay
> [ 9.569509] urandom-seed: Seeding with /etc/urandom.seed
> [ 9.979153] procd: - early -
> [ 9.981523] procd: - watchdog -
> [ 10.277742] lantiq,xrx200-net 1e108000.eth eth0: port 4 lost link
> [ 10.733116] procd: - watchdog -
> [ 10.735445] procd: - ubus -
> [ 10.860600] procd: - init -
> [ 11.409304] kmodloader: loading kernel modules from /etc/modules.d/*
> [ 11.418046] IFXOS, Version 1.5.19 (c) Copyright 2009, Lantiq Deutschland GmbH
> [ 11.428163] NET: Registered protocol family 8
> [ 11.431208] NET: Registered protocol family 20
> [ 11.441959] PPP generic driver version 2.4.2
> [ 11.451211] ip6_tables: (C) 2000-2006 Netfilter Core Team
> [ 11.474183] Lantiq (VRX) DSL CPE MEI driver, version 1.5.17.6, (c) 2007-2015 Lantiq Beteiligungs-GmbH & Co. KG
> [ 11.494022]
> [ 11.494022]
> [ 11.494022] Lantiq CPE API Driver version: DSL CPE API V4.17.18.6
> [ 11.501731]
> [ 11.501731] Predefined debug level: 3
> [ 11.513055] Loading modules backported from Linux version wt-2017-11-01-0-gfe248fc2c180
> [ 11.519705] Backport generated by backports.git v4.14-rc2-1-31-g86cf0e5d
> [ 11.529276] ip_tables: (C) 2000-2006 Netfilter Core Team
> [ 11.538399] Infineon Technologies DEU driver version 2.0.0
> [ 11.544578] IFX DEU DES initialized (multiblock).
> [ 11.549504] IFX DEU AES initialized (multiblock).
> [ 11.553539] IFX DEU ARC4 initialized (multiblock).
> [ 11.558033] IFX DEU SHA1 initialized.
> [ 11.561550] IFX DEU MD5 initialized.
> [ 11.565211] IFX DEU SHA1_HMAC initialized.
> [ 11.569325] IFX DEU MD5_HMAC initialized.
> [ 11.581110] nf_conntrack version 0.5.0 (1024 buckets, 4096 max)
> [ 11.633066] NET: Registered protocol family 24
> [ 11.653554] xt_time: kernel timezone is -0000
> [ 11.750234] PCI: Enabling device 0000:00:00.0 (0000 -> 0002)
> [ 11.754640] PCI: Enabling device 0000:01:00.0 (0000 -> 0002)
> [ 11.766682] ath: phy0: disabling 5GHz band
> [ 11.770559] ath: EEPROM regdomain: 0x0
> [ 11.770572] ath: EEPROM indicates default country code should be used
> [ 11.770577] ath: doing EEPROM country->regdmn map search
> [ 11.770592] ath: country maps to regdmn code: 0x3a
> [ 11.770600] ath: Country alpha2 being used: US
> [ 11.770606] ath: Regpair used: 0x3a
> [ 11.781885] ieee80211 phy0: Selected rate control algorithm 'minstrel_ht'
> [ 11.788629] ieee80211 phy0: Atheros AR9300 Rev:3 mem=0xbc000000, irq=144
> [ 11.798509] kmodloader: done loading kernel modules from /etc/modules.d/*
> [ 23.700490] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
> [ 23.716261] br-lan: port 1(eth0.1) entered blocking state
> [ 23.720384] br-lan: port 1(eth0.1) entered disabled state
> [ 23.726687] device eth0.1 entered promiscuous mode
> [ 23.730530] device eth0 entered promiscuous mode
> [ 23.739680] IPv6: ADDRCONF(NETDEV_UP): br-lan: link is not ready
> [ 25.757548] lantiq,xrx200-net 1e108000.eth eth0: port 4 got link
> [ 25.762997] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
> [ 25.778573] br-lan: port 1(eth0.1) entered blocking state
> [ 25.782654] br-lan: port 1(eth0.1) entered forwarding state
> [ 25.817589] IPv6: ADDRCONF(NETDEV_CHANGE): br-lan: link becomes ready
for your commands dude i note that for next time it crashed during upgrade