			SYSRQʸ v1.2
                     ------------------------------------
                        [Sat May 16 01:09:21 EDT 1998]


*  SysRQȤ!?
~~~~~~~~~~~~~~~~~~~~~~~~
ϡˡȤ߹碌Υȹ碌򲡤Сͥ뤬
ưƤ¤ꡢɤʺȤμ¹ǤƤ롣줬
SysRQ ʤΤ


* ɤпSysRQͭˤǤΤ?
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ͥۤ'Magic SysRq key (CONFIG_MAGIC_SYSRQ)'Ȥܤ
"yes"ɤΥץϡ2.1.xʹߤΥͥˤΤ¸ߤ롣


*  ɤǤƤСSysRQˤʤ!?
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
x86ξ - 'ALT-SysRQ-<ޥɥ>'ƱǸФ褤 - (Ť?)
	    ܡɤˤäƤϡ'SysRQ'Ƚ񤫤줿ʤΤʤ
	    ϡ'Print Screen'ȤƤΤƤ롣

SPARCξ - 'ALT-STOP-<ޥɥ>'򲡤ФȻפ

PowerPCξ - 'ALT-Print Screen-<ޥɥ>'

¾ξ - ⤷¾Υƥ㡼ˤ륭ȹ礻狼С
	       Ҥ錄˶Ƥۤ򤳤ɲä褦


*  ɤ'ޥɥ'?
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
'r'     - ܡraw⡼ɤ򥪥դˤXLATEꤹ롣

'k'     - ߤΥС륳󥽡ǤΤ٤ƤΥץkill롣

'b'     - ¨¤˥ƥ֡Ȥ롣κݡǥsync䥢ޥ
	ϼ¹Ԥʤ

'o'     - ƥ򥷥åȥ(Ĥޤ꽪λŸOFF)롣
	(⤷Τ褦ꤵ졢ĤưݡȤƤФ)

's'     - ٤ƤΥޥȤƤե륷ƥsync褦Ȥ롣

'u'     - ٤ƤΥޥȺѤߤΥե륷ƥ'񤭹Բ'
	  ƥޥȤ롣

'p'     - ߤΥ쥸ȥե饰򥳥󥽡˥׽Ϥ롣

't'     - ߤΥΥꥹȤȤξ򥳥󥽡˥׽Ϥ롣

'm'     - ߤΥ򥳥󥽡˥׽Ϥ롣

'0'-'9' - 󥽡Υ٥ѹ롣٥ˤäƤɤ
          ͥå󥽡˽Ϥ뤫Ѥ롣
          (ȤС'0'ǤPANICOOPSȤä۵ޤΥåΤߤ
          󥽡˽Ϥ褦ˤʤ롣)

'e'     - initʳΤ٤ƤΥץSIGTERM롣

'i'     - initʳΤ٤ƤΥץSIGKILL롣

'l'     - SIGKILLinitִޤפ٤ƤΥץ롣(Τᡢ
	  ΤȤʤΥƥϤʤˤǤʤʤ롣)


*  狼ä㲿ΤˤĤ?
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
褯ʹƤ줿un'R'awϡXФsvgalibץबå夷Ȥ
ȤƤʤ

sa'K' (system attention key: ƥٹ𥭡)ϡ󥽡ؤ
ʤץ(ȤСXsvgalibΥץ)λȤä
Ȥ

re'B'ootϡåȥ󤵤뤳ȤǤʤʤä
'S'ync'U'mount¹ԤƤ

'S'ync ϡƥबåƤޤäȤˤФäȤ롣ϥǥ
syncԤʤǤǡ򼺤äꡢfsckʤФʤʤ
Ψ򲼤뤳ȤǤ롣դȤƤϡsyncOKȤDoneʸ̤
ǤޤǤϡѤǤʤȤ(⤷ͥ뤬ѤʤȤˤʤ
Ƥ顢OKȤDoneȤΥåʱ˸ʤǽ⤢뤬ġ)

'U'mountϤƯϴŪ'S'yncƱǡͭѤʥޥɤǤ롣錄ϼʬ
ƥबåƤޤäϡ̾'S'ync'U'mount¹Ԥơθ
re'B'ooot뤳ȤˤƤ롣ϡ¿fsck򤷤Ƥ줿
umount(ۤȤϽ񤭹߶ػߤǺƥޥȤɤ) ξ⡢OK
Doneʸ̤ˤǤޤǤϽäƤʤΤա

٥'0'-'9'ϡʤͥåιǥ󥽡
뤬դƤޤä褦ʤȤͭǤ롣'0'ꤹС󥽡
ϤåΤäȤʥͥå
ƤΥåƤ롣 (⤷ syslogd/klogd 
硢餬񤭹ˤ  å⤽Τޤ
Ͽ³뤳Ȥˤʤ)

t'E'rmȡk'I'll ϡ¾ˡǤkillǤʤ褦ʤ˽
äȤͭäˤĤ̤Υץ³Ƥ
ˤͭѤǤ롣


*  SysRQȤäΤǡָǤޤפ褦ˤߤ뤱ɤɤФ?
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
θݤϤ錄иƤ롣ΤȤϥܡɤξ¦ˤ륷եȡ
AltȥΥڤá (㤨 alt-sysrq-z 
) ̵ sysrq 󥹤ǤळȤɤʤ褦̤β
ۥ󥽡(ALT-Fn)Ȥäؤơޤᤷơټ¹ԤΤ
̤Ȥ롣


*  SysRQ򲡤ƤߤǤʤˤⵯä褦ˤߤʤɤ뤤?
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ĤΥܡɤϡ'SysRQ'򥵥ݡȤƤʤ'showkey -s'¹Ԥ
SysRQ򤪤ꡢalt-SysRQ򲡤0x54ȤɤƤ
ߤ⤷0x54ʤС̤Υ󥹤ؤεǽ
Ƥ뤳ȤǤ롣showkeyˤäŬʥɤ򸫤Ĥ
[/usr/src/linux/]include/asm/keyboard.h '#define SYSRQ_KEY 0x54'Ȥ
򤢤ʤȤΤѤƺƥѥ뤹Ф褤
Ȥǡ'showkey'νλλ10äۤɤʤˤ⥿פʤС
Ƚλ衣


*  ۤ˼䤢ɡˤФ?
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ڤmyrdraal@deathsdoor.comäƤ졣Ǥ᤯
ˤ衣⤷Żҥ᡼륢ɥ쥹ޤʤʤ顢
myrdraal@jackalz.dyn.ml.orgƤߤƤۤ
) ֱѸǡץ᡼뤷Ƥ͡:) ⤷ܸʤ
Ԥ hiroshi@ChangeLog.net  miura@blue.gr.jp ʹƤߤߤ

 -Myrdraal

==ֳ==

SysRQȹ碌Фˡμʸ
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ʸǤϡѸ֤ȴϢƳФ䤹褦Ƥ뤱ɡ
ȤäƤͤˤϤä񤷤͡ǡܸǤθϤ碌
ͤƤߤ黲ͤˤƤߤ!äȤФä顢ڤä
ۤJF@linux.or.jp衣

1

֥Υפ tmp ؽФ衣ܡɤˤϤ(r)ƤӽФơ
  (kiel)̿ᤷƥ򤳤 subƼ򤢤碌Τ
äȤ뤷:)

2

֤ (ei) Ȥꤢߤޤ (signal TERM, signal KILL)
ֿ (s) ʤΤ줿 (u)  (sync, umount)
֤֤äƤ (b) ʤ (o) ǥʥ (l) (reboot, shutoff, kill init)
֥ХХ (r)
֥륵٤ꡢܥ塼 "0" ˡ (£: @; )
ϳФ䤹͡

[,ɲ:  miura@blue.gr.jp]
