I can not find any problem from syslog,but every 6~8days it will automatic reboot.
firmware version RT-AC66U_380.57_0
Mar 27 00:00:42 disk_monitor: Got SIGALRM...
Aug 1 08:00:10 kernel: klogd started: BusyBox v1.20.2 (2015-12-24 13:54:35 EST)
Aug 1 08:00:10 kernel: start_kernel
Aug 1 08:00:10 kernel: Linux version 2.6.22.19 (root@asus) (gcc version 4.2.3) #1 Thu Dec 24 13:56:06 EST 2015
Aug 1 08:00:10 kernel: CPU revision is: 00019749
Aug 1 08:00:10 kernel: Found an ST compatible serial flash with 32 64KB blocks; total size 2MB
Aug 1 08:00:10 kernel: Determined physical RAM map:
Aug 1 08:00:10 kernel: memory: 07fff000 @ 00000000 (usable)
Aug 1 08:00:10 kernel: memory: 08000000 @ 87fff000 (usable)
Aug 1 08:00:10 kernel: Built 1 zonelists. Total pages: 585216
Aug 1 08:00:10 kernel: Kernel command line: root=/dev/mtdblock3 console=ttyS0,115200 init=/sbin/preinit
Aug 1 08:00:10 kernel: Primary instruction cache 32kB, physically tagged, 4-way, linesize 32 bytes.
Aug 1 08:00:11 kernel: Primary data cache 32kB, 4-way, linesize 32 bytes.
Aug 1 08:00:11 kernel: PID hash table entries: 2048 (order: 11, 8192 bytes)
Aug 1 08:00:11 kernel: CPU: BCM5300 rev 1 pkg 0 at 600 MHz
Aug 1 08:00:11 kernel: Using 300.000 MHz high precision timer.
Aug 1 08:00:11 kernel: Dentry cache hash table entries: 65536 (order: 6, 262144 bytes)
Aug 1 08:00:11 kernel: Inode-cache hash table entries: 32768 (order: 5, 131072 bytes)
Aug 1 08:00:11 kernel: Mount-cache hash table entries: 512
Aug 1 08:00:11 kernel: PCI: Initializing host
Aug 1 08:00:11 kernel: PCI: Reset RC
Aug 1 08:00:11 kernel: PCI: Initializing host
Aug 1 08:00:11 kernel: PCI: Reset RC
Aug 1 08:00:11 kernel: PCI: Fixing up bus 0
Aug 1 08:00:11 kernel: PCI/PCIe coreunit 0 is set to bus 1.
Aug 1 08:00:11 kernel: PCI: Fixing up bridge
Aug 1 08:00:11 kernel: PCI: Fixing up bridge
Aug 1 08:00:11 kernel: PCI: Enabling device 0000:01:00.1 (0004 -> 0006)
Aug 1 08:00:11 kernel: PCI: Fixing up bus 1
Aug 1 08:00:11 kernel: PCI/PCIe coreunit 1 is set to bus 2.
Aug 1 08:00:11 kernel: PCI: Fixing up bridge
Aug 1 08:00:11 kernel: PCI: Fixing up bridge
Aug 1 08:00:11 kernel: PCI: Enabling device 0000:02:00.1 (0004 -> 0006)
Aug 1 08:00:11 kernel: PCI: Fixing up bus 2
Aug 1 08:00:11 kernel: IP route cache hash table entries: 4096 (order: 2, 16384 bytes)
Aug 1 08:00:11 kernel: TCP established hash table entries: 16384 (order: 5, 131072 bytes)
Aug 1 08:00:11 kernel: TCP bind hash table entries: 16384 (order: 4, 65536 bytes)
Aug 1 08:00:11 kernel: highmem bounce pool size: 64 pages
Aug 1 08:00:11 kernel: pflash: found no supported devices
Aug 1 08:00:11 kernel: Boot partition size = 262144(0x40000)
Aug 1 08:00:11 kernel: Creating 2 MTD partitions on "sflash":
Aug 1 08:00:11 kernel: 0x00000000-0x00040000 : "pmon"
Aug 1 08:00:11 kernel: 0x001f0000-0x00200000 : "nvram"
Aug 1 08:00:11 kernel: Found a Zentel NAND flash with 2048B pages or 128KB blocks; total size 128MB
Aug 1 08:00:11 kernel: lookup_nflash_rootfs_offset: offset = 0x0
Aug 1 08:00:11 kernel: nflash: squash filesystem with lzma found at block 9
Aug 1 08:00:11 kernel: Creating 2 MTD partitions on "nflash":
Aug 1 08:00:11 kernel: 0x00000000-0x02000000 : "linux"
Aug 1 08:00:11 kernel: 0x0013d270-0x02000000 : "rootfs"
Aug 1 08:00:11 kernel: Creating 3 MTD partitions on "brcmnand":
Aug 1 08:00:11 kernel: 0x00000000-0x02000000 : "trx"
Aug 1 08:00:11 kernel: 0x02000000-0x04000000 : "jffs2"
Aug 1 08:00:11 kernel: 0x04000000-0x07f00000 : "brcmnand"
Aug 1 08:00:11 kernel: dev_nvram_init: _nvram_init
Aug 1 08:00:11 kernel: u32 classifier
Aug 1 08:00:11 kernel: OLD policer on
Aug 1 08:00:11 kernel: Netfilter messages via NETLINK v0.30.
Aug 1 08:00:11 kernel: nf_conntrack version 0.5.0 (2048 buckets, 16384 max)
Aug 1 08:00:11 kernel: ip_tables: (C) 2000-2006 Netfilter Core Team
Aug 1 08:00:11 kernel: net/ipv4/netfilter/tomato_ct.c [Dec 24 2015 13:56:04]
Aug 1 08:00:11 kernel: ip6_tables: (C) 2000-2006 Netfilter Core Team
Aug 1 08:00:11 kernel: VFS: Mounted root (squashfs filesystem) readonly.
Aug 1 08:00:11 kernel: Warning: unable to open an initial console.
Aug 1 08:00:11 kernel: Failed to execute /sbin/preinit. Attempting defaults...
Aug 1 08:00:11 kernel: Algorithmics/MIPS FPU Emulator v1.5
Aug 1 08:00:11 kernel: ctf: module license 'Proprietary' taints kernel.
Aug 1 08:00:11 kernel: et_module_init: passivemode set to 0x0
Aug 1 08:00:11 kernel: et_module_init: et_txq_thresh set to 0xce4
Aug 1 08:00:11 kernel: bcm_robo_enable_switch: EEE is disabled
Aug 1 08:00:11 kernel: eth0: Broadcom BCM47XX 10/100/1000 Mbps Ethernet Controller 6.30.163.2002 (r382208)
Aug 1 08:00:11 kernel: wl_module_init: passivemode set to 0x0
Aug 1 08:00:11 kernel: PCI: Enabling device 0000:01:01.0 (0000 -> 0002)
Aug 1 08:00:12 kernel: eth1: Broadcom BCM4331 802.11 Wireless Controller 6.30.163.2002 (r382208)
Aug 1 08:00:12 kernel: PCI: Enabling device 0000:02:01.0 (0000 -> 0002)
Aug 1 08:00:12 kernel: eth2: Broadcom BCM4360 802.11 Wireless Controller 6.30.163.2002 (r382208)
Aug 1 08:00:12 ntp: start NTP update
Aug 1 08:00:12 kernel: wlc_phy_cal_init_acphy: NOT Implemented
Mar 27 17:11:52 rc_service: ntp 251:notify_rc restart_diskmon
Mar 27 17:11:57 httpd: start httpd
Mar 27 17:11:59 disk monitor: be idle
Mar 27 17:12:00 Samba Server: daemon is started
Mar 27 17:12:01 custom script: Running /jffs/scripts/services-start
Mar 27 17:12:02 syslog: module ledtrig-usbdev not found in modules.dep
Mar 27 17:12:02 syslog: module leds-usb not found in modules.dep
Mar 27 17:12:03 kernel: SCSI subsystem initialized
Mar 27 17:12:04 kernel: ufsd: driver (8.6 U86_r187446_b122, LBD=ON, acl, ioctl, rwm, ws, sd) loaded at c027c000
Mar 27 17:12:04 kernel: NTFS (with native replay) support included
Mar 27 17:12:04 kernel: optimized: speed
Mar 27 17:12:04 kernel: Build_for__asus_n66u_2011-10-27_U86_r187446_b122
Mar 27 17:12:05 disk_monitor: Finish
Mar 27 17:12:05 disk monitor: be idle
Mar 27 17:12:07 kernel: scsi 0:0:0:0: Direct-Access ADATA USB Flash Drive 0.00 PQ: 0 ANSI: 4
Mar 27 17:12:07 kernel: sd 0:0:0:0: [sda] 7697408 512-byte hardware sectors (3941 MB)
Mar 27 17:12:07 kernel: sd 0:0:0:0: [sda] Write Protect is off
Mar 27 17:12:07 kernel: sd 0:0:0:0: [sda] Assuming drive cache: write through
Mar 27 17:12:07 kernel: sd 0:0:0:0: [sda] Assuming drive cache: write through
Mar 27 17:12:07 kernel: sd 0:0:0:0: [sda] Attached SCSI removable disk
Mar 27 17:12:07 kernel: sd 0:0:0:0: Attached scsi generic sg0 type 0
Mar 27 17:12:07 usb: USB ext3 fs at /dev/sda1 mounted on /tmp/mnt/sda1.
Mar 27 17:12:07 custom script: Running /jffs/scripts/post-mount (args: /tmp/mnt/sda1)
Mar 27 17:12:07 rc_service: hotplug 455:notify_rc restart_nasapps
Mar 27 17:12:07 FTP Server: daemon is stopped
Mar 27 17:12:08 Samba Server: smb daemon is stopped
Mar 27 17:12:08 Samba Server: daemon is started
Mar 27 17:12:10 kernel: vlan3: Setting MAC address to 30 5a 3a cc 1b 90.
Mar 27 17:12:10 kernel: VLAN (vlan3): Underlying device (eth0) has same MAC, not checking promiscious mode.
Mar 27 17:12:10 kernel: vlan4: Setting MAC address to 30 5a 3a cc 1b 90.
Mar 27 17:12:10 kernel: VLAN (vlan4): Underlying device (eth0) has same MAC, not checking promiscious mode.
Mar 27 18:00:05 disk_monitor: Got SIGALRM...
firmware version RT-AC66U_380.57_0
Mar 27 00:00:42 disk_monitor: Got SIGALRM...
Aug 1 08:00:10 kernel: klogd started: BusyBox v1.20.2 (2015-12-24 13:54:35 EST)
Aug 1 08:00:10 kernel: start_kernel
Aug 1 08:00:10 kernel: Linux version 2.6.22.19 (root@asus) (gcc version 4.2.3) #1 Thu Dec 24 13:56:06 EST 2015
Aug 1 08:00:10 kernel: CPU revision is: 00019749
Aug 1 08:00:10 kernel: Found an ST compatible serial flash with 32 64KB blocks; total size 2MB
Aug 1 08:00:10 kernel: Determined physical RAM map:
Aug 1 08:00:10 kernel: memory: 07fff000 @ 00000000 (usable)
Aug 1 08:00:10 kernel: memory: 08000000 @ 87fff000 (usable)
Aug 1 08:00:10 kernel: Built 1 zonelists. Total pages: 585216
Aug 1 08:00:10 kernel: Kernel command line: root=/dev/mtdblock3 console=ttyS0,115200 init=/sbin/preinit
Aug 1 08:00:10 kernel: Primary instruction cache 32kB, physically tagged, 4-way, linesize 32 bytes.
Aug 1 08:00:11 kernel: Primary data cache 32kB, 4-way, linesize 32 bytes.
Aug 1 08:00:11 kernel: PID hash table entries: 2048 (order: 11, 8192 bytes)
Aug 1 08:00:11 kernel: CPU: BCM5300 rev 1 pkg 0 at 600 MHz
Aug 1 08:00:11 kernel: Using 300.000 MHz high precision timer.
Aug 1 08:00:11 kernel: Dentry cache hash table entries: 65536 (order: 6, 262144 bytes)
Aug 1 08:00:11 kernel: Inode-cache hash table entries: 32768 (order: 5, 131072 bytes)
Aug 1 08:00:11 kernel: Mount-cache hash table entries: 512
Aug 1 08:00:11 kernel: PCI: Initializing host
Aug 1 08:00:11 kernel: PCI: Reset RC
Aug 1 08:00:11 kernel: PCI: Initializing host
Aug 1 08:00:11 kernel: PCI: Reset RC
Aug 1 08:00:11 kernel: PCI: Fixing up bus 0
Aug 1 08:00:11 kernel: PCI/PCIe coreunit 0 is set to bus 1.
Aug 1 08:00:11 kernel: PCI: Fixing up bridge
Aug 1 08:00:11 kernel: PCI: Fixing up bridge
Aug 1 08:00:11 kernel: PCI: Enabling device 0000:01:00.1 (0004 -> 0006)
Aug 1 08:00:11 kernel: PCI: Fixing up bus 1
Aug 1 08:00:11 kernel: PCI/PCIe coreunit 1 is set to bus 2.
Aug 1 08:00:11 kernel: PCI: Fixing up bridge
Aug 1 08:00:11 kernel: PCI: Fixing up bridge
Aug 1 08:00:11 kernel: PCI: Enabling device 0000:02:00.1 (0004 -> 0006)
Aug 1 08:00:11 kernel: PCI: Fixing up bus 2
Aug 1 08:00:11 kernel: IP route cache hash table entries: 4096 (order: 2, 16384 bytes)
Aug 1 08:00:11 kernel: TCP established hash table entries: 16384 (order: 5, 131072 bytes)
Aug 1 08:00:11 kernel: TCP bind hash table entries: 16384 (order: 4, 65536 bytes)
Aug 1 08:00:11 kernel: highmem bounce pool size: 64 pages
Aug 1 08:00:11 kernel: pflash: found no supported devices
Aug 1 08:00:11 kernel: Boot partition size = 262144(0x40000)
Aug 1 08:00:11 kernel: Creating 2 MTD partitions on "sflash":
Aug 1 08:00:11 kernel: 0x00000000-0x00040000 : "pmon"
Aug 1 08:00:11 kernel: 0x001f0000-0x00200000 : "nvram"
Aug 1 08:00:11 kernel: Found a Zentel NAND flash with 2048B pages or 128KB blocks; total size 128MB
Aug 1 08:00:11 kernel: lookup_nflash_rootfs_offset: offset = 0x0
Aug 1 08:00:11 kernel: nflash: squash filesystem with lzma found at block 9
Aug 1 08:00:11 kernel: Creating 2 MTD partitions on "nflash":
Aug 1 08:00:11 kernel: 0x00000000-0x02000000 : "linux"
Aug 1 08:00:11 kernel: 0x0013d270-0x02000000 : "rootfs"
Aug 1 08:00:11 kernel: Creating 3 MTD partitions on "brcmnand":
Aug 1 08:00:11 kernel: 0x00000000-0x02000000 : "trx"
Aug 1 08:00:11 kernel: 0x02000000-0x04000000 : "jffs2"
Aug 1 08:00:11 kernel: 0x04000000-0x07f00000 : "brcmnand"
Aug 1 08:00:11 kernel: dev_nvram_init: _nvram_init
Aug 1 08:00:11 kernel: u32 classifier
Aug 1 08:00:11 kernel: OLD policer on
Aug 1 08:00:11 kernel: Netfilter messages via NETLINK v0.30.
Aug 1 08:00:11 kernel: nf_conntrack version 0.5.0 (2048 buckets, 16384 max)
Aug 1 08:00:11 kernel: ip_tables: (C) 2000-2006 Netfilter Core Team
Aug 1 08:00:11 kernel: net/ipv4/netfilter/tomato_ct.c [Dec 24 2015 13:56:04]
Aug 1 08:00:11 kernel: ip6_tables: (C) 2000-2006 Netfilter Core Team
Aug 1 08:00:11 kernel: VFS: Mounted root (squashfs filesystem) readonly.
Aug 1 08:00:11 kernel: Warning: unable to open an initial console.
Aug 1 08:00:11 kernel: Failed to execute /sbin/preinit. Attempting defaults...
Aug 1 08:00:11 kernel: Algorithmics/MIPS FPU Emulator v1.5
Aug 1 08:00:11 kernel: ctf: module license 'Proprietary' taints kernel.
Aug 1 08:00:11 kernel: et_module_init: passivemode set to 0x0
Aug 1 08:00:11 kernel: et_module_init: et_txq_thresh set to 0xce4
Aug 1 08:00:11 kernel: bcm_robo_enable_switch: EEE is disabled
Aug 1 08:00:11 kernel: eth0: Broadcom BCM47XX 10/100/1000 Mbps Ethernet Controller 6.30.163.2002 (r382208)
Aug 1 08:00:11 kernel: wl_module_init: passivemode set to 0x0
Aug 1 08:00:11 kernel: PCI: Enabling device 0000:01:01.0 (0000 -> 0002)
Aug 1 08:00:12 kernel: eth1: Broadcom BCM4331 802.11 Wireless Controller 6.30.163.2002 (r382208)
Aug 1 08:00:12 kernel: PCI: Enabling device 0000:02:01.0 (0000 -> 0002)
Aug 1 08:00:12 kernel: eth2: Broadcom BCM4360 802.11 Wireless Controller 6.30.163.2002 (r382208)
Aug 1 08:00:12 ntp: start NTP update
Aug 1 08:00:12 kernel: wlc_phy_cal_init_acphy: NOT Implemented
Mar 27 17:11:52 rc_service: ntp 251:notify_rc restart_diskmon
Mar 27 17:11:57 httpd: start httpd
Mar 27 17:11:59 disk monitor: be idle
Mar 27 17:12:00 Samba Server: daemon is started
Mar 27 17:12:01 custom script: Running /jffs/scripts/services-start
Mar 27 17:12:02 syslog: module ledtrig-usbdev not found in modules.dep
Mar 27 17:12:02 syslog: module leds-usb not found in modules.dep
Mar 27 17:12:03 kernel: SCSI subsystem initialized
Mar 27 17:12:04 kernel: ufsd: driver (8.6 U86_r187446_b122, LBD=ON, acl, ioctl, rwm, ws, sd) loaded at c027c000
Mar 27 17:12:04 kernel: NTFS (with native replay) support included
Mar 27 17:12:04 kernel: optimized: speed
Mar 27 17:12:04 kernel: Build_for__asus_n66u_2011-10-27_U86_r187446_b122
Mar 27 17:12:05 disk_monitor: Finish
Mar 27 17:12:05 disk monitor: be idle
Mar 27 17:12:07 kernel: scsi 0:0:0:0: Direct-Access ADATA USB Flash Drive 0.00 PQ: 0 ANSI: 4
Mar 27 17:12:07 kernel: sd 0:0:0:0: [sda] 7697408 512-byte hardware sectors (3941 MB)
Mar 27 17:12:07 kernel: sd 0:0:0:0: [sda] Write Protect is off
Mar 27 17:12:07 kernel: sd 0:0:0:0: [sda] Assuming drive cache: write through
Mar 27 17:12:07 kernel: sd 0:0:0:0: [sda] Assuming drive cache: write through
Mar 27 17:12:07 kernel: sd 0:0:0:0: [sda] Attached SCSI removable disk
Mar 27 17:12:07 kernel: sd 0:0:0:0: Attached scsi generic sg0 type 0
Mar 27 17:12:07 usb: USB ext3 fs at /dev/sda1 mounted on /tmp/mnt/sda1.
Mar 27 17:12:07 custom script: Running /jffs/scripts/post-mount (args: /tmp/mnt/sda1)
Mar 27 17:12:07 rc_service: hotplug 455:notify_rc restart_nasapps
Mar 27 17:12:07 FTP Server: daemon is stopped
Mar 27 17:12:08 Samba Server: smb daemon is stopped
Mar 27 17:12:08 Samba Server: daemon is started
Mar 27 17:12:10 kernel: vlan3: Setting MAC address to 30 5a 3a cc 1b 90.
Mar 27 17:12:10 kernel: VLAN (vlan3): Underlying device (eth0) has same MAC, not checking promiscious mode.
Mar 27 17:12:10 kernel: vlan4: Setting MAC address to 30 5a 3a cc 1b 90.
Mar 27 17:12:10 kernel: VLAN (vlan4): Underlying device (eth0) has same MAC, not checking promiscious mode.
Mar 27 18:00:05 disk_monitor: Got SIGALRM...
