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read ac68u log to find out why router restarted?

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A

apollo18

Occasional Visitor
hello i have a ac68u and i just noticed that the uptime is 12 hours meaning it restarted 12 hours ago but i havent touched it for the past 3 days, what do i look for in the system log to find out the reason it restarted or what happened/? or will the log not show this

thx
 
K-2SO

K-2SO

Very Senior Member
Look where the log records change to an older date. This is when the router restarted. Check what happened just before.
 
A

apollo18

Occasional Visitor
May 13 02:53:19 acsd: scan in progress ...
May 13 02:53:20 acsd: selected channel spec: 0xe09b (149/80)
May 13 02:53:20 acsd: Adjusted channel spec: 0xe09b (149/80)
May 13 02:53:20 acsd: selected channel spec: 0xe09b (149/80)
May 13 03:00:10 kernel: Emergency Sync complete
May 4 23:05:00 syslogd started: BusyBox v1.17.4
May 4 23:05:00 kernel: klogd started: BusyBox v1.17.4 (2019-05-10 22:11:23 CST)
May 4 23:05:00 kernel: Linux version 2.6.36.4brcmarm ([email protected]) (gcc version 4.5.3 (Buildroot 2012.02) ) #1 SMP PREEMPT Fri May 10 22:16:14 CST 2019
May 4 23:05:00 kernel: CPU: ARMv7 Processor [413fc090] revision 0 (ARMv7), cr=10c53c7f
May 4 23:05:00 kernel: CPU: VIPT nonaliasing data cache, VIPT nonaliasing instruction cache
May 4 23:05:00 kernel: Machine: Northstar Prototype
May 4 23:05:00 kernel: Ignoring unrecognised tag 0x00000000
May 4 23:05:00 kernel: Memory policy: ECC disabled, Data cache writealloc
May 4 23:05:00 kernel: Built 1 zonelists in Zone order, mobility grouping on. Total pages: 60416
May 4 23:05:00 kernel: Kernel command line: root=/dev/mtdblock2 console=ttyS0,115200 init=/sbin/preinit earlyprintk debug
May 4 23:05:00 kernel: Memory: 255488k/255488k available, 6656k reserved, 0K highmem
May 4 23:05:00 kernel: Virtual kernel memory layout:
May 4 23:05:00 kernel: vector : 0xffff0000 - 0xffff1000 ( 4 kB)
May 4 23:05:00 kernel: fixmap : 0xfff00000 - 0xfffe0000 ( 896 kB)
May 4 23:05:00 kernel: DMA : 0xf7e00000 - 0xffe00000 ( 128 MB)
May 4 23:05:00 kernel: vmalloc : 0xd0800000 - 0xf0000000 ( 504 MB)
May 4 23:05:00 kernel: lowmem : 0xc0000000 - 0xd0000000 ( 256 MB)
May 4 23:05:00 kernel: modules : 0xbf000000 - 0xc0000000 ( 16 MB)
May 4 23:05:00 kernel: .init : 0xc0008000 - 0xc003d000 ( 212 kB)
May 4 23:05:00 kernel: .text : 0xc003d000 - 0xc03aa000 (3508 kB)
May 4 23:05:00 kernel: .data : 0xc03c2000 - 0xc03e5120 ( 141 kB)
May 4 23:05:00 kernel: External imprecise Data abort at addr=0x0, fsr=0x1c06 ignored.
May 4 23:05:00 kernel: Mount-cache hash table entries: 512
May 4 23:05:00 kernel: CPU1: Booted secondary processor
May 4 23:05:00 kernel: Found a AMD NAND flash:
May 4 23:05:00 kernel: Total size: 128MB
May 4 23:05:00 kernel: Block size: 128KB
May 4 23:05:00 kernel: Page Size: 2048B
May 4 23:05:00 kernel: OOB Size: 64B
May 4 23:05:00 kernel: Sector size: 512B
May 4 23:05:00 kernel: Spare size: 16B
May 4 23:05:00 kernel: ECC level: 8 (8-bit)
May 4 23:05:00 kernel: Device ID: 0x 1 0xf1 0x 0 0x1d 0x 1 0xf1
May 4 23:05:00 kernel: bio: create slab <bio-0> at 0
May 4 23:05:00 kernel: PCI: no core
May 4 23:05:01 kernel: PCI: no core
May 4 23:05:01 kernel: PCI: Fixing up bus 0
May 4 23:05:01 kernel: PCI: Fixing up bus 0
May 4 23:05:01 kernel: PCI: Fixing up bus 1
May 4 23:05:01 kernel: PCI: Fixing up bus 0
May 4 23:05:01 kernel: PCI: Fixing up bus 2
May 4 23:05:01 kernel: VFS: Disk quotas dquot_6.5.2
May 4 23:05:01 kernel: Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
May 4 23:05:01 kernel: pflash: found no supported devices
May 4 23:05:01 kernel: bcmsflash: found no supported devices
May 4 23:05:01 kernel: Boot partition size = 524288(0x80000)
May 4 23:05:01 kernel: lookup_nflash_rootfs_offset: offset = 0x200000
May 4 23:05:01 kernel: nflash: squash filesystem with lzma found at block 28
May 4 23:05:01 kernel: Creating 4 MTD partitions on "nflash":
May 4 23:05:01 kernel: 0x000000000000-0x000000080000 : "boot"
May 4 23:05:01 kernel: 0x000000080000-0x000000200000 : "nvram"
May 4 23:05:01 kernel: 0x000000200000-0x000004000000 : "linux"
May 4 23:05:01 kernel: 0x00000039d1c8-0x000004000000 : "rootfs"
May 4 23:05:01 kernel: Registering the dns_resolver key type
May 4 23:05:01 kernel: Spare area=64 eccbytes 56, ecc bytes located at:
May 4 23:05:01 kernel: 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
May 4 23:05:01 kernel: Available 7 bytes at (off,len):
May 4 23:05:01 kernel: (1,1) (16,2) (32,2) (48,2) (0,0) (0,0) (0,0) (0,0)
May 4 23:05:01 kernel: Options: NO_AUTOINCR,NO_READRDY,BBT_SCAN2NDPAGE,
May 4 23:05:01 kernel: Creating 2 MTD partitions on "brcmnand":
May 4 23:05:01 kernel: 0x000004000000-0x000007ec0000 : "brcmnand"
May 4 23:05:01 kernel: 0x000007ec0000-0x000008000000 : "asus"
May 4 23:05:01 kernel: VFS: Mounted root (squashfs filesystem) readonly on device 31:3.
May 4 23:05:01 kernel: cfe_commit: do nothing
May 4 23:05:01 kernel: ctf: module license 'Proprietary' taints kernel.
May 4 23:05:01 kernel: Disabling lock debugging due to kernel taint
May 4 23:05:01 kernel: et_module_init: passivemode set to 0x0
May 4 23:05:01 kernel: et_module_init: txworkq set to 0x1
May 4 23:05:01 kernel: et_module_init: et_txq_thresh set to 0xce4
May 4 23:05:01 kernel: eth0: Broadcom BCM47XX 10/100/1000 Mbps Ethernet Controller 6.37.14.126 (r561982)
May 4 23:05:01 kernel: et_probe: mvlan vid[0]: 0
May 4 23:05:01 kernel: et_probe: mvlan vid[1]: 0
May 4 23:05:01 kernel: et_probe: mvlan en 0
May 4 23:05:01 kernel: dpsta_init: msglevel set to 0x1
May 4 23:05:01 kernel: wl_module_init: passivemode set to 0x0
May 4 23:05:02 kernel: wl_module_init: igs set to 0x0
May 4 23:05:02 kernel: wl_module_init: txworkq set to 0x1
May 4 23:05:02 kernel: eth1: Broadcom BCM4360 802.11 Wireless Controller 6.37.14.126 (r561982)
May 4 23:05:02 kernel: eth2: Broadcom BCM4360 802.11 Wireless Controller 6.37.14.126 (r561982)
May 4 23:05:02 kernel: _ Reboot message ... _______________________________________________________
May 4 23:05:02 kernel: <4>Emergency Sync complete
May 4 23:05:02 kernel: <4>
May 4 23:05:02 kernel: <4>gro disabled
May 4 23:05:02 kernel: <�U�0: port 3(eth2) entering forwarding state
May 4 23:05:02 kernel: <6>br0: port 2(eth1) entering forwarding state
May 4 23:05:02 kernel: <6>br0: port 1(vlan1) entering forwarding state
May 4 23:05:02 kernel: <4>et0: et_mvlan_netdev_event: event 9 for vlan1 mvlan_en 0
May 4 23:05:02 kernel: <6>device eth0 left promiscuous mode
May 4 23:05:02 kernel: <4>et0: et_mvlan_netdev_event: event 2 for vlan1 mvlan_en 0
May 4 23:05:02 kernel: <6>device vlan1 left promiscuous mode
May 4 23:05:02 kernel: <6>br0: port 1(vlan1) entering disabled state
May 4 23:05:02 kernel: <6>device eth1 left promiscuous mode
May 4 23:05:02 kernel: <6>br0: port 2(eth1) entering disabled state
May 4 23:05:02 kernel: <6>device eth2 left promiscuous mode
May 4 23:05:02 kernel: <6>br0: port 3(eth2) entering disabled state
May 4 23:05:02 kernel: <4>et0: et_mvlan_netdev_event: event 6 for vlan1 mvlan_en 0
May 4 23:05:02 kernel: <4>et0: et_mvlan_netdev_event: event 17 for vlan1 mvlan_en 0
May 4 23:05:02 kernel: <4>et0: et_mvlan_netdev_event: event 6 for vlan2 mvlan_en 0
May 4 23:05:02 kernel: <4>et0: et_mvlan_netdev_event: event 17 for vlan2 mvlan_en 0
May 4 23:05:02 kernel: <6>usbcore: deregistering interface driver cdc_mbim
May 4 23:05:02 kernel: <6>usbcore: deregistering interface driver cdc_ncm
May 4 23:05:02 kernel: <6>usbcore: deregistering interface driver qmi_wwan
May 4 23:05:02 kernel: <6>usbcore: deregistering interface driver cdc_wdm
May 4 23:05:02 kernel: <6>usbcore: deregistering interface driver rndis_host
May 4 23:05:02 kernel: <6>usbcore: deregistering interface driver cdc_ether
May 4 23:05:02 kernel: <6>usbcore: deregistering interface driver asix
May 4 23:05:02 kernel: <6>usbcore: deregistering interface driver cdc_acm
May 4 23:05:02 kernel: <6>usbcore: deregistering interface driver usblp
May 4 23:05:02 kernel:
 
A

apollo18

Occasional Visitor
____________________________________________________________________________
May 4 23:05:02 kernel: et0: et_mvlan_netdev_event: event 16 for vlan1 mvlan_en 0
May 4 23:05:02 kernel: et0: et_mvlan_netdev_event: event 5 for vlan1 mvlan_en 0
May 4 23:05:02 kernel: et0: et_mvlan_netdev_event: event 16 for vlan2 mvlan_en 0
May 4 23:05:02 kernel: et0: et_mvlan_netdev_event: event 5 for vlan2 mvlan_en 0
May 4 23:05:02 kernel: et0: et_mvlan_netdev_event: event 13 for vlan1 mvlan_en 0
May 4 23:05:02 kernel: et0: et_mvlan_netdev_event: event 1 for vlan1 mvlan_en 0
May 4 23:05:02 acsd: scan in progress ...
May 4 23:05:02 rc_service: udhcpc_lan 196:notify_rc stop_httpd
May 4 23:05:02 rc_service: udhcpc_lan 196:notify_rc start_httpd
May 4 23:05:02 rc_service: waitting "stop_httpd" via udhcpc_lan ...
May 4 23:05:02 acsd: scan in progress ...
May 4 23:05:03 acsd: scan in progress ...
May 4 23:05:03 acsd: scan in progress ...
May 4 23:05:03 acsd: scan in progress ...
May 4 23:05:03 acsd: scan in progress ...
May 4 23:05:04 acsd: scan in progress ...
May 4 23:05:04 acsd: scan in progress ...
May 4 23:05:04 acsd: selected channel spec: 0xe09b (149/80)
May 4 23:05:04 acsd: Adjusted channel spec: 0xe09b (149/80)
May 4 23:05:04 acsd: selected DFS-exit channel spec: 0xe09b (149/80)
May 4 23:05:04 acsd: selected channel spec: 0xe09b (149/80)
May 4 23:05:04 acsd: Adjusted channel spec: 0xe09b (149/80)
May 4 23:05:04 acsd: selected channel spec: 0xe09b (149/80)
May 4 23:05:04 RT-AC68U: start httpd:80
May 4 23:05:05 NAT Tunnel: AAE Service is stopped
May 4 23:05:05 AAE: AAE Service is started
May 4 23:05:05 disk monitor: be idle
May 4 23:05:05 jffs2: valid logs(1)
May 4 23:05:05 ERP: The model isn't under EU SKU!
May 4 23:05:05 avahi-daemon[247]: WARNING: No NSS support for mDNS detected, consider installing nss-mdns!
May 4 23:05:05 syslog: Generating SSL certificate...
May 4 23:05:05 lldpd[242]: minimal kernel version required is 2.6.39, got 2.6.36.4brcmarm
May 4 23:05:05 lldpd[242]: lldpd may be unable to detect bonds and bridges correctly
May 4 23:05:05 lldpd[242]: consider recompiling with --enable-oldies option
May 4 23:05:05 lldpd[252]: cannot get ethtool link information with GLINKSETTINGS (requires 4.9+): Operation not permitted
May 4 23:05:05 lldpd[252]: cannot get ethtool link information with GSET (requires 2.6.19+): Operation not permitted
May 4 23:05:06 avahi-daemon[247]: Alias name "RT-AC68U" successfully established.
May 4 23:05:08 Mastiff: init
May 4 23:05:08 kernel: xhci_hcd 0000:00:0c.0: Failed to enable MSI-X
May 4 23:05:08 kernel: xhci_hcd 0000:00:0c.0: failed to allocate MSI entry
May 4 23:05:08 kernel: usb usb1: No SuperSpeed endpoint companion for config 1 interface 0 altsetting 0 ep 129: using minimum values
May 4 23:05:09 syslog: module ax88179_178a not found in modules.dep
May 4 23:05:09 syslog: module ledtrig-usbdev not found in modules.dep
May 4 23:05:09 syslog: module leds-usb not found in modules.dep
May 4 23:05:09 kernel: SCSI subsystem initialized
May 4 23:05:12 rc_service: udhcpc_lan 196:notify_rc start_dnsmasq
May 4 23:05:12 rc_service: waitting "start_httpd" via udhcpc_lan ...
May 4 23:05:12 RT-AC68U: start httpd:80
May 4 23:05:14 LAN: network changes (192.168.1.94/255.255.255.0 --> 192.168.1.94/255.255.255.0)
May 4 23:05:14 rc_service: udhcpc_lan 196:notify_rc stop_samba
May 4 23:05:14 rc_service: udhcpc_lan 196:notify_rc start_samba
May 4 23:05:14 rc_service: waitting "stop_samba" via udhcpc_lan ...
May 4 23:05:15 ntp: start NTP update
May 4 23:05:15 Samba Server: smb daemon is stoped
May 4 23:05:15 kernel: gro disabled
May 13 03:02:29 rc_service: ntp 420:notify_rc restart_diskmon
May 13 03:02:29 disk_monitor: Finish
May 13 03:02:32 disk monitor: be idle
May 13 03:03:15 crond[213]: time disparity of 1064398 minutes detected
May 13 03:03:48 WATCHDOG: [FAUPGRADE][auto_firmware_check:(5834)]period_retry = 0
May 13 03:03:48 WATCHDOG: [FAUPGRADE][auto_firmware_check:(5840)]periodic_check AM 2:33
May 13 03:03:51 WATCHDOG: [FAUPGRADE][auto_firmware_check:(5860)]retrieve firmware information
May 13 03:03:51 WATCHDOG: [FAUPGRADE][auto_firmware_check:(5874)]no need to upgrade firmware
May 13 03:17:20 acsd: scan in progress ...
May 13 03:17:20 acsd: scan in progress ...
May 13 03:17:20 acsd: scan in progress ...
May 13 03:17:20 acsd: scan in progress ...
May 13 03:17:21 acsd: scan in progress ...
May 13 03:17:21 acsd: scan in progress ...
May 13 03:17:21 acsd: scan in progress ...
May 13 03:17:21 acsd: scan in progress ...
 
C

ColinTaylor

Part of the Furniture
Are you still using that 12v power supply instead of the correct 19v one?

apollo18 said:
i dont really notice anything, seems to be random right? kinda like it randomly lost power?
Click to expand...
Something happening at exactly 03:00 doesn't sound random to me. It sounds more like a scheduled event.
 
Last edited:
L&LD

L&LD

Part of the Furniture
What firmware version? What options/features and/or scripts is it running? Are the NVRAM and JFFS partitions full? :)
 
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