DSAS鐃緒申発鐃峻わ申鐃緒申鐃緒申:Linux鐃緒申鐃緒申鐃緒申鐃緒申龍鐃緒申鐃�(kernel oops)鐃緒申鐃盾ー鐃夙ホワ申鐃夙で採取す鐃緒申鐃緒申法

2006年05鐃緒申10鐃緒申

Linux鐃緒申鐃緒申鐃緒申鐃緒申龍鐃緒申鐃�(kernel oops)鐃緒申鐃盾ー鐃夙ホワ申鐃夙で採取す鐃緒申鐃緒申法

Linux鐃祝は￥申kernl oops鐃緒申鐃出わ申鐃緒申鐃祝種申動的鐃緒申reboot鐃叔わ申鐃緒申鐃緒申箸澆鐃緒申鐃緒申鐃殉わ申鐃緒申

鐃緒申鐃塾居申能鐃緒申箸鐃緒申弌鐃�OS鐃緒申鐃峻意わ申鐃緒申澆鐃緒申討鐃緒申泙辰鐃緒申鐃緒申房鐃銃暗�申鐃�reboot鐃緒申鐃銃ワ申鐃緒申鐃俊ワ申鐃緒申導鐃緒申鐃緒申襪鰹申箸鐃緒申任鐃緒申泙鐃緒申鐃�

鐃緒申鐃緒申鐃緒申kernel鐃緒申奪鐃緒申鐃緒申鐃緒申肋祿駕申鐃緒申鐃緒申鐃緒申鐃塾ヒワ申箸砲覆蠅�申鐃塾で採種申任鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申泙鐃緒申鐃緒申里任鐃緒申鐃緒申鐃緒申鐃銃�reboot鐃塾常申鐃熟ワ申鐃藷ソ￥申鐃緒申覆匹暴鐃緒申呂鐃緒申鐃銃わ申鐃暑か鐃盾し鐃緒申覆鐃�kernel鐃緒申奪鐃緒申鐃緒申鐃緒申鐃塾取す鐃暑こ鐃夙わ申鐃叔わ申鐃殉わ申鐃緒申

鐃夙わ申鐃緒申鐃緒け鐃叔￥申鐃緒申鐃緒申鐃�kernel 2.6鐃叔種申鐃緒申鐃緒申鐃曙たnetconsole鐃緒申箸鐃緒申鐃�kernel oops発鐃緒申鐃緒申鐃祝わ申鐃緒申鐃熟随申鐃緒申弔勅鐃銃�reboot鐃緒申鐃緒申鐃緒申法鐃緒申匆陲靴鐃緒申鐃緒申隼廚鐃緒申泙鐃緒申鐃�

鐃殉わ申鐃熟￥申kernel oops鐃緒申発鐃緒申鐃緒申鐃緒申鐃緒申隋�逸申鐃緒申鐃渋鰹申鐃緒申鐃塾ではなわ申kernel panic鐃祝なわ申茲�申砲鐃緒申鐃塾と￥申kernel panic鐃緒申発鐃緒申鐃緒申鐃緒申鐃緒申reboot鐃緒申鐃緒申茲�申鐃緒申鐃緒申蠅件申泙鐃緒申鐃�

鐃緒申鐃緒申鐃緒申鐃緒申鐃�/proc鐃春ワ申鐃緒申鐃緒申嚢圓鐃緒申里如鐃�/etc/sysctl.conf鐃祝以駕申鐃塾よう鐃祝書きまわ申鐃緒申

kernel.panic_on_oops = 1

kernel.panic = 10

鐃書いわ申鐃緒申反鐃叔わ申鐃銃￥申鐃緒申鐃緒申鐃緒申鐃粛わ申鐃叔э申鐃緒申泙鐃緒申鐃�

# sysctl -p

kernel.panic = 10

kernel.panic_on_oops = 1

# cat /proc/sys/kernel/panic_on_oops

1

# cat /proc/sys/kernel/panic

10

鐃緒申鐃緒申如鐃�kernel oops鐃緒申鐃出わ申鐃緒申panic鐃緒申鐃緒申panic鐃緒申鐃緒申10鐃獣醐申鐃�reboot鐃緒申鐃緒申茲�申砲覆鐃殉わ申鐃緒申鐃緒申

鐃緒申鐃緒申kernel oops鐃緒申亮茲刻申襪随申瓠�netconsole鐃緒申鐃緒申鐃緒申鬚靴泙鐃緒申鐃�

netconsole鐃夙は種申鐃塾よう鐃緒申鐃緒申鐃俊で種申鐃緒申鐃緒申鐃曙た鐃緒申里任鐃緒申鐃�(linux/Documentation/networking/netconsole.txt鐃緒申鐃緒申鐃緒申)

鐃緒申鐃塾モジ鐃遵ー鐃緒申蓮鐃緒申妊鐃緒申鐃緒申鐃緒申悗竜鐃熟随申房鐃緒申圓鐃緒申鐃緒申鐃緒申鐃緒申皀件申螢�申襯鰹申鵐宗鐃緒申襪�申鐃緒申立鐃緒申鐃淑わ申鐃処う鐃緒申鐃緒申鐃緒申鐃叔バッワ申鐃叔わ申鐃緒申茲�申法鐃�UDP 鐃緒申由鐃叔ワ申鐃緒申鐃粛ワ申 printk 鐃緒申奪鐃緒申鐃緒申鐃緒申鐃熟随申鐃緒申泙鐃緒申鐃�

鐃縦まり、発鐃緒申側(netconsole)鐃緒申他鐃祝￥申鐃緒申鐃緒申鐃緒申鐃緒申泪鐃緒申鐃緒申必鐃竣になわ申泙鐃緒申鐃�

鐃叔わ申発鐃緒申側(netconsole)鐃塾マワ申鐃緒申鐃緒申鐃緒申蠅�申蕕わ申鐃緒申泙鐃緒申鐃�

鐃殉わ申鐃緒申kernel鐃緒申netconsole鐃緒申sysrq鐃緒申有鐃緒申鐃祝わ申鐃銃ビワ申匹鐃緒申泙鐃緒申鐃�sysrq鐃緒申netconsole鐃緒申箸鐃緒申里鐃宿�申椶任呂鐃緒申鐃殉わ申鐃藷が￥申鐃緒申劼鐃銃逸申鐃緒申認鐃塾わ申鐃緒申筺�申鐃緒申鐃緒申鐃緒申鵑垢鐃叔わ申鐃淑わ申鐃緒申鐃叔わ申kernel鐃緒申sync鐃緒申reboot鐃緒申発鐃峻でわ申鐃緒申鐃緒申鐃緒申鐃緒申有鐃竣でわ申鐃塾わ申有鐃緒申鐃祝わ申鐃殉わ申鐃緒申

鐃淑駕申鐃塾よう鐃祝￥申netconsole鐃緒申皀醐申紂種申鐃叔￥申sysrq鐃緒申鐃夙み刻申鐃淳わ申有鐃緒申鐃祝わ申鐃殉わ申鐃緒申

Device Drivers  --->

  Network device support  --->

     Network console logging support (EXPERIMENTAL)

Kernel hacking  --->

  [*] Magic SysRq key

鐃緒申鐃銃￥申netconsole鐃緒申箸鐃緒申櫃砲蓮鐃緒申鐃緒申鐃渋�申両鐃緒申鐃緒申鐃緒申鐃所し鐃銃わ申鐃緒申鐃緒申必鐃竣わ申鐃緒申鐃緒申泙鐃緒申鐃緒申鐃緒申鐃叔わ申鐃緒申媾鐃熟種申鐃緒申2鐃春緒申任鐃緒申鐃�

鐃瞬￥申鐃夙パワ申瓠種申鐃�
鐃盾ジ鐃遵ー鐃緒申鐃緒申鐃緒申匹虜櫃離僖鐃潤ー鐃緒申鐃緒申鐃緒申

grub鐃淑どわ申鐃緒申鐃緒申蠅刻申鐃瞬￥申鐃夙パワ申瓠種申鐃緒申鐃�netconsole鐃緒申鐃夙み刻申鐃淳にわ申鐃緒申鐃緒申鐃叔￥申鐃盾ジ鐃遵ー鐃緒申鐃緒申鐃緒申瓢鐃緒申鐃緒申鐃緒申netconsole鐃緒申皀醐申紂種申鐃祝わ申鐃緒申鐃緒申鐃叔わ申鐃緒申

鐃緒申鐃銃￥申netconsole鐃緒申NIC鐃塾ドライ鐃出ワ申鐃緒申鐃宿わ申同鐃緒申鐃祝緒申鐃緒申鐃緒申鐃緒申鐃緒申茲�申覆里如鐃�NIC鐃宿ライ鐃出わ申皀醐申紂種申襦�netconsole鐃緒申鐃夙み刻申鐃淳にわ申鐃緒申鐃緒申隋�NIC鐃宿ライ鐃出わ申鐃緒申鐃緒申netconsole鐃緒申鐃緒申鐃緒申鐃宿わ申鐃緒申討鐃緒申泙鐃緒申里任鐃緒申泙鐃緒申箸鐃緒申覆鐃緒申茲�申任鐃緒申鐃�

鐃殉とわ申鐃夙わ申鐃緒申鐃緒申鐃緒申砲覆鐃殉わ申鐃緒申

NIC鐃宿ライ鐃緒申	netconsole	netconsole鐃緒申鐃緒申媾鐃�	鐃緒申鐃緒申
鐃夙み刻申鐃緒申	鐃夙み刻申鐃緒申	鐃瞬￥申鐃夙パワ申瓠種申鐃�	netconsole鐃緒申鐃緒申鐃緒申如鐃緒申妊丱鐃緒申鐃緒申鐃緒申鐃緒申任覆鐃緒申鐃淑�申鐃�IP鐃緒申鐃宿レス鐃緒申鐃緒申蠅刻申鐃宿�申廚鐃緒申鐃緒申襦ｏ申屐鐃緒申隼鐃緒申鐃�kernel鐃緒申奪鐃緒申鐃緒申鐃緒申鐃塾種申任鐃緒申襦�
鐃夙み刻申鐃緒申	鐃盾ジ鐃遵ー鐃緒申	鐃緒申鐃緒申鐃宿モジ鐃遵ー鐃緒申離僖鐃潤ー鐃緒申
鐃盾ジ鐃遵ー鐃緒申	鐃夙み刻申鐃緒申	鐃緒申
鐃盾ジ鐃遵ー鐃緒申	鐃盾ジ鐃遵ー鐃緒申	鐃緒申鐃緒申鐃宿モジ鐃遵ー鐃緒申離僖鐃潤ー鐃緒申

鐃緒申鐃緒申鐃�netconsole鐃緒申皀醐申紂種申鐃祝わ申鐃緒申鐃塾で￥申鐃粛ットワー鐃緒申鐃緒申鐃藷タ￥申鐃春ワ申鐃緒申鐃緒申鐃緒申有鐃緒申鐃祝なるタ鐃緒申鐃淳ングで￥申鐃緒申鐃緒申鐃緒申鐃所し鐃縦わ申netconsole鐃盾ジ鐃遵ー鐃緒申鐃緒申鐃緒申鐃宿わ申鐃緒申茲�申砲鐃緒申泙鐃緒申鐃�

Debian鐃塾常申鐃熟￥申/etc/network/interfaces鐃祝種申鐃塾よう鐃祝書きまわ申鐃緒申

auth  eth0

iface eth0 inet dhcp

  post-up  modprobe netconsole netconsole=6665@/eth0,[email protected]/00:0c:6e:56:b5:d6

  pre-down rmmod netconsole

10.10.2.4鐃緒申00:0c:6e:56:b5:d6鐃熟￥申鐃緒申鐃曙ぞ鐃緒申鐃緒申鐃渋�申鐃�IP鐃緒申鐃宿レス鐃緒申MAC鐃緒申鐃宿レス鐃叔わ申鐃緒申

RedHat鐃熟の常申鐃熟￥申(鐃処く鐃塾わ申覆鐃緒申里任鐃緒申鐃�)/sbin/ifup-local鐃叔わ申鐃塾わ申鐃処さ鐃緒申鐃緒申鐃叔わ申鐃緒申

#!/bin/sh



DEVICE=$1



case $DEVICE in

  eth0)

    modprobe netconsole netconsole=6665@/eth0,[email protected]/00:0c:6e:56:b5:d6

    ;;

esac

鐃緒申鐃述わ申表鐃緒申任鐃書きまわ申鐃緒申鐃緒申鐃緒申NIC鐃緒申netconsole鐃緒申鐃夙み刻申鐃淳にわ申鐃緒申鐃緒申鐃熟￥申鐃緒申分鐃緒申IP鐃緒申鐃宿レス(鐃淑駕申鐃緒申鐃緒申両鐃緒申鐃�10.10.2.3)鐃緒申鐃緒申蠅刻申鐃宿�申廚鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申佞鐃緒申討鐃緒申鐃緒申鐃緒申鐃緒申鐃�

modprobe netconsole [email protected]/eth0,[email protected]/00:0c:6e:56:b5:d6

鐃緒申鐃緒申鐃緒申鐃緒申鐃渋�申鐃緒申鐃緒申鐃熟緒申鐃緒申鐃殉わ申鐃緒申鐃緒申鐃緒申鐃祝種申鐃緒申側鐃叔わ申鐃緒申

鐃緒申鐃緒申側鐃熟￥申鐃緒申鐃緒申側鐃叔誌申鐃所し鐃緒申UDP鐃塾ポ￥申鐃緒申(6666)鐃緒申鐃緒申鐃緒申鐃出よい鐃塾で￥申鐃夙りあ鐃緒申鐃緒申鐃銃ワ申鐃夙わ申鐃緒申鐃緒申鐃緒申覆蕁�netcat鐃緒申箸辰鐃� nc -u -l -p 6666鐃叔よい鐃塾でわ申鐃緒申鐃緒申鐃緒申鐃緒申鐃�syslog-ng鐃緒申箸辰銅鐃緒申鐃緒申鐃緒申鐃処う鐃祝わ申鐃銃みまわ申鐃緒申

鐃淑駕申鐃緒申syslog-ng.conf鐃緒申鐃初該鐃緒申鐃春緒申鐃夙器申鐃叔わ申鐃緒申

source s_netconsole {

  udp(ip(0.0.0.0) port(6666));

};

destination d_netconsole {

  file("/var/log/netconsole");

};

log {

  source(s_netconsole);

  destination(d_netconsole);

  flags(final);

};

鐃緒申鐃所し鐃緒申鐃初、syslong-ng鐃緒申撞鐃銃逸申鐃緒申鐃緒申儿鐃夙随申任鐃緒申泙鐃緒申鐃�

鐃緒申鐃緒申鐃緒申鐃緒申鐃渋�申鐃緒申鐃緒申鐃渋�申箸鐃祝緒申鐃緒申鐃緒申鐃叔わ申鐃殉わ申鐃緒申鐃緒申

鐃叔は￥申kernel鐃緒申奪鐃緒申鐃緒申鐃緒申鐃出わ申鐃銃みまわ申鐃順う鐃緒申

鐃緒申単鐃淑のは￥申鐃緒申鐃緒申側鐃緒申sysrq鐃緒申箸鐃緒申鐃祝￥申任鐃緒申鐃�

# echo s > /proc/sysrq-trigger

鐃緒申鐃緒申如鐃緒申鐃緒申鐃渋�申鐃�/var/log/netconsole鐃緒申

May 10 16:51:57 SENDER SysRq : 

May 10 16:51:57 SENDER Emergency Sync

鐃夙居申録鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃叔わ申鐃緒申

鐃緒申鐃緒申鐃緒申鐃重�申鐃獣ｏ申鐃緒申鐃曙た鐃塾でわ申鐃緒申鐃緒申鐃叔醐申砲鐃緒申鐃緒申弔鐃緒申鐃緒申鐃醇拾鐃緒申鐃緒申

netconsole鐃緒申鐃緒申鐃緒申如鐃緒申鐃緒申鐃渋�申鐃�MAC鐃緒申鐃宿レス鐃緒申鐃緒申蠅件申泙鐃緒申鐃緒申鐃緒申鐃緒申董鐃緒申鐃緒申鐃�MAC鐃緒申鐃宿レス鐃緒申鐃塾�申鐃緒申鐃緒申鐃緒申匹鐃緒申覆鐃塾でわ申鐃順う鐃緒申鐃緒申

鐃緒申鐃塾常申隋�netconsole.txt鐃祝わ申颪い討鐃緒申鐃処う鐃祝￥申鐃緒申鐃緒申MAX鐃緒申鐃宿レス鐃緒申ff:ff:ff:ff:ff:ff鐃祝なわ申泙鐃緒申鐃緒申鐃緒申鐃熟ブワ申鐃緒申鐃宿ワ申鐃純ス鐃夙のとわ申鐃淑どにわ申箸鐃緒申鐃塾でわ申鐃緒申鐃緒申同鐃曙サ鐃瞬ネットわ申鐃緒申鐃塾￥申鐃宿にパワ申鐃獣トわ申鐃緒申鐃緒申鐃銃わ申鐃殉わ申鐃殉わ申鐃塾で￥申鐃緒申略鐃緒申鐃緒申鐃祝種申鐃緒申側鐃殉ワ申鐃緒申鐃�MAC鐃緒申鐃宿レス鐃緒申鐃緒申鐃所す鐃駿わ申鐃叔わ申鐃順う鐃緒申

鐃緒申鐃祝わ申鐃緒申辰肇鐃緒申鐃緒申鐃緒申蕕件申董鐃緒申鐃緒申鐃緒申鐃緒申疋譽刻申鐃緒申鐃緒申鐃�IP鐃緒申鐃宿レス鐃熟ホワ申鐃緒申A鐃緒申MAC鐃緒申鐃宿レス鐃熟ホワ申鐃緒申B鐃夙わ申鐃緒申鐃処う鐃祝随申鐃緒申鐃純う鐃緒申鐃緒申砲鐃緒申鐃緒申鐃緒申匹鐃緒申覆襪�申遒件申討澆泙鐃緒申鐃緒申鐃�L2, L3 鐃緒申鐃塾種申鐃塾わ申鐃緒申鐃緒申鐃淑わ申鐃緒申鐃緒申鐃縮わ申侶鐃縮わ申鐃夙思わ申鐃塾でわ申鐃緒申鐃緒申鐃緒申鐃塾パワ申鐃獣トわ申(鐃緒申鐃緒申鐃獣ワ申鐃藷グハブの常申鐃�)鐃循ワ申鐃緒申B鐃緒申鐃緒申鐃緒申鐃熟わ申鐃塾でわ申鐃緒申鐃緒申鐃緒申鐃塾パワ申鐃獣トの逸申鐃緒申IP鐃緒申鐃宿レス鐃熟ホワ申鐃緒申A鐃塾わ申里覆里如鐃緒申名錙�申曠鐃緒申鐃�B鐃熟わ申鐃塾パワ申鐃獣トわ申鐃術器申鐃緒申鐃殉わ申鐃緒申

鐃夙わ申鐃緒申鐃緒け鐃叔￥申鐃緒申鐃緒申鐃�netconsole鐃祝わ申鐃�kernel鐃緒申鐃緒申鐃緒申鐃緒申龍鐃緒申咾鐃渋常申離曠鐃緒申箸乃鐃熟随申鐃緒申鐃緒申鐃祝￥申鐃述介しまわ申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃獣わ申鐃緒申法鐃叔ワ申鐃緒申鐃塾採種申鐃重刻申鐃緒申任鐃緒申鐃緒申弌鐃緒申鐃緒申鐃緒申鐃�kernel panic鐃塾際の醐申鐃緒申鐃緒申鐃緒申鐃緒申有鐃竣ではなわ申鐃緒申鐃夙思わ申鐃殉わ申鐃緒申(鐃緒申)

klab_gijutsu2 at 18:46鐃緒申Comments(2)鐃緒申TrackBack(1)

鐃夙ワ申奪鐃緒申丱奪鐃�URL

鐃緒申鐃塾居申鐃緒申鐃舜のトワ申奪鐃緒申丱奪鐃�

1. 鐃殉とまわ申里覆鐃緒申鐃緒申鐃緒申任鐃緒申鐃緒申覆鐃緒申鐃� [ 鐃熟写随申鐃緒申鐃緒申 ] 2008年03鐃緒申22鐃緒申 01:10

Linux kernel 鐃緒申 Oops 鐃緒申鐃叔わ申鐃夙わ申鐃緒申鐃薯見てわ申鐃殉わ申鐃殉わ申鐃緒申鐃緒申NTFS 鐃春ワ申鐃緒申鐃殉ットわ申 USB 鐃緒申鐃春ハ￥申鐃宿デワ申鐃緒申鐃緒申鐃緒申鐃出わ申鐃緒申 ls 鐃緒申孫圓鐃緒申鐃緒申鐃緒申鐃夙�申鐃緒申鐃緒申鐃緒申鐃緒申蕁種申任鐃緒申鐃緒申超鐃緒申蓮鐃�Vine Linux 4.1 鐃緒申 PCI 鐃旬￥申鐃宿件申由鐃緒申 USB 2.0 鐃緒申続鐃緒申鐃緒申鐃緒申粉鐃緒申鐃緒申鐃�

鐃緒申鐃塾居申鐃緒申鐃舜のワ申鐃緒申鐃緒申

1. Posted by hyoshiok 2006年05鐃緒申13鐃緒申 15:38

鐃熟わ申鐃緒申泙鐃緒申董鐃緒申未蠅刻申鐃緒申鐃塾わ申里任鐃緒申鐃緒申鐃緒申儷鐃縮ｏ申鐃緒申鐃緒申匕鐃緒申鐃緒申泙鐃緒申鐃緒申鐃�
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2. Posted by DSAS鐃緒申鐃緒申凌鐃� 2006年05鐃緒申13鐃緒申 21:12

鐃殉わ申鐃緒申鐃緒申鐃緒申鐃渋はわ申鐃緒申鐃獣のネワ申鐃夙なっわ申鐃殉ワ申鐃緒申牢鐃緒申鵬鐃銃�申鐃叔わ申鐃銃￥申lkcd鐃緒申呂鐃緒申鐃夙わ申鐃緒申多鐃緒申鐃塾ワ申鐃緒申奪鐃緒申鐃緒申鐃緒申弸亮鐃縦￥申鐃緒申鐃緒申鐃緒申僖僉鐃緒申謄鐃緒申鐃緒申鐃緒申必鐃竣なわ申鐃緒申導鐃緒申鐃緒申鐃重らい鐃緒申鐃夙わ申鐃緒申鐃舜景わ申鐃緒申鐃獣わ申鐃塾でわ申鐃緒申鐃淑ので￥申鐃夙りあ鐃緒申鐃緒申netconsole鐃叔常申鐃緒申鐃塾取し鐃銃みて￥申鐃緒申鐃緒申撚鐃緒申任鐃緒申覆鐃緒申鐃緒申netdump鐃緒申lkcd鐃緒申導鐃緒申鐃緒申鐃処う鐃緒申鐃淑わ申鐃夙思ってまわ申鐃緒申

鐃緒申鐃塾居申鐃緒申鐃祝ワ申鐃緒申鐃夙わ申鐃緒申

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