感謝之前各位的建議
不過好像還是會重新開機orz
今天研究了很久
在 last_kmsg.log 發現了應該是原因的訊息（節錄重要的出來）
可否有強者幫我確認一下問題出在哪裡？
google 不太出所以然......
謝謝!!!!!
[ 5072.059238] c0 1640 Kernel panic - not syncing: VideoDecMsgThre
PC:ddl_vidc_decode_get_avg_time+0x8/0x14 LR:vcd_send_flush_done+0xa4/0xd4
[ 5072.161237] c0 1640 [MDM][COMM] mdm_panic_prep: setting AP2MDM_ERRFATAL
high for a non graceful reset
[ 5072.561909] c0 1640 set_restart_reason: set restart reason = 776655aa
[ 5072.561939] c0 1640 set_restart_msg: set restart msg = `KP:
VideoDecMsgThre PC:ddl_vidc_decode_get_avg_time+0x8/0x14
LR:vcd_send_flush_done+0xa4/0xd4'
[ 5072.561970] c0 1640 Rebooting in 5 seconds..
[ 5077.569966] c0 1640 Restarting Linux version 3.4.10-g7835ef8 (and@AABM)
(gcc version 4.7 (GCC) ) #1 SMP PREEMPT Thu Mar 26 14:14:58 CST 2015
[ 5077.569997] c0 1640
[ 5077.569997] c0 1640 Going down for restart now
[ 5077.570058] c0 1640 msm_restart: Kernel command line: poweron_status=1
reset_status=0 board_dlxp_ul.disable_uart3=0 diag.enabled=0
board_dlxp_ul.debug_uart=0 userdata_sel=0 androidboot.emmc=true
androidboot.pagesize=2048 skuid=0 ddt=20 ats=0 dap=6 androidboot.lb=1
uif=?2Sg ro.op=0 td.sf=1 td.td=1 td.ofs=328 td.prd=1 td.dly=0 td.tmo=300
hlog.ofs=628 un.ofs=696 imc_online_log=0 androidboot.efuse_info=3FSL
androidboot.baseband=4T.31.3218.26 androidboot.cid=HTC__621
androidboot.devicerev=2 androidboot.batt_poweron=good_battery
androidboot.carrier=TWM-TW androidboot.mid=PO6821000 androidboot.hasfp=0
enable_zcharge=33 androidboot.keycaps=qwerty androidboot.dq=PASS
androidboot.mode=normal androidboot.serialno=********7324
androidboot.bootloader=1.61.0000 bpht=0x3E8 androidboot.nledhw=0
androidboot.ddrmid=(0x6) acpu.footprint=0B010101 abnrst=0 zygote_oneshot=off
kmemleak=off rpm_debug.enable=0 console=ttyHSL0,115200,n8
androidboot.hardware=dlxpul user_debug=31
[ 5077.570149] c0 1640 msm_restart: restart by command: []
[ 5077.570180] c0 1640 Powering off MDM...
[ 5079.573384] c0 1640 Power off MDM down...
[ 5079.573415] c0 1640
[ 5079.573415] c0 1640 [K] Restarting Linux version 3.4.10-g7835ef8
(and@AABM) (gcc version 4.7 (GCC) ) #1 SMP PREEMPT Thu Mar 26 14:14:58 CST
2015
[ 5079.573445] c0 1640
[ 5079.573568] c0 1640 msm_restart: PS_HOLD to restart
[1933505]