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我有台小蚁摄像头，前段时间突然坏了，现象就是不断自动重启（黄、蓝灯来回亮），摄像头左右上下转动有动作，但一直重启无法进到正常工作状态。
今天把它焊好串口线，接到电脑看到了启动输出的信息流，最后的启动信息显示它是因为看门狗要求重启的。。。最后的关键信息段如下：
请有了解的大神帮看看，大概会是什么故障导致它的问题呢。（完整启动信息见）
。。。
。。。
Play this stream using the URL "rtsp://0.0.0.0/ch0_0.h264"
"ch0_2.h264" stream, from the file "/tmp/aac_audio_fifo"
AAC audio enabled
Play this stream using the URL "rtsp://0.0.0.0/ch0_2.h264"
Failed to connect to non-global ctrl_ifname: wlan0 error: Connection refused
Failed to connect to non-global ctrl_ifname: wlan0 error: Connection refused
[CPLD_PERIPH] limit switch 2!
Failed to connect to non-global ctrl_ifname: wlan0 error: Connection refused
Failed to connect to non-global ctrl_ifname: wlan0 error: Connection refused
x =2950 800 0 800 x_step =-150 0 x_step_2 =2950 0
Failed to connect to non-global ctrl_ifname: wlan0 error: Connection refused
[CPLD_PERIPH] limit switch 2!
Failed to connect to non-global ctrl_ifname: wlan0 error: Connection refused
killall: wpa_supplicant: no process killed
killall: udhcpc: no process killed
killall: recbackup: no process killed
umount: can't unmount /tmp/cifs: No such file or directory
ash: 1: unknown operand
umount: can't remount tmpfs read-only
umount: /dev/mtdblock5 busy - remounted read-only
umount: can't remount tmpfs read-only
can't run '/sbin/swapoff': No such file or directory
The system is going down NOW!
tcpsvd: got signal 15, exit
Sent SIGTERM to all processes
MMB LEAK(pid=947): 0x835A5000, 4096 bytes, 'AENC(0)StrmBuf'
mmz_userdev_release: mmb<0x835A5000> mapped to userspace 0xb6fb1000 will be forc
e unmaped!
MMB LEAK(pid=947): 0x835A6000, 32768 bytes, 'AENC(0) CirBuf'
mmz_userdev_release: mmb<0x835A6000> mapped to userspace 0xb6e17000 will be forc
e unmaped!
MMB LEAK(pid=947): 0x835B3000, 16384 bytes, 'AO(0,0) CirBuf'
mmz_userdev_release: mmb<0x835B3000> mapped to userspace 0xb6d13000 will be forc
e unmaped!
Sent SIGKILL to all processes
Requesting system reboot
********reboot by watchdog********
Restarting system.
到这，摄像头就自动重启了
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