ʤ ix86 ƥͽååפޤܡϤ
ʤ񤷤ʥååפǤΤ褦ʥååפΥǥХ
ٱǤ٤Ƥ "yes" ʤ顢ϤäȤʤ
Ǥ

Intel Ʊͤ ix86 פΥϡɥˤϡ'watchdog NMI
interrupts' ͭˤ뵡ǽޤ (NMI: Non Maskable
Interruptƥ¾θ񤷤ååפƤ⤳ϼ¹
ޤ)񤷤ͥååפΥǥХåѤǤޤŪ
 NMI ߤμ¹Ԥˤꡢͥ CPU Τ줫ååפ
ɤƻǤååפʤǥХååϤޤ
'nmi_watchdog=n' ֡ȥѥ᡼ǥ֡Ȼ NMI watchdog ͭˤ
뤳ȤǽǤʲŬڤ lilo.conf ȥǤ -

        append="nmi_watchdog=1"

SMP ޥ󤪤 IO-APIC Τ UP ޥǤϡnmi_watchdog=1 Ѥ
IO-APIC Τʤ UP ޥǤϡnmi_watchdog=2 Ѥޤ
Υץå̤Ǥưޤưʤ硢nmi_watchdog=1
ǥ֡Ȥ/proc/interrupts  NMI ȤĴ٤Ƥ - 
Ȥ 0 ʤ顢nmi_watchdog=2 ǺƵư (reboot) NMI ȤĴ
Ƥ줬 0 Τޤޤʤ顢ԶȤƵϿޤ֤Ѥ
Ƥץåˤ nmi ɤɲäɬפǤ

ååפϼΥʥꥪǤ - ƥ CPU Τ줫Ūʥ
륿ޡߤ 5 ðʾ¹ԤʤСNMI ϥɥ oops 
ץλ (kill) ޤ controlled crash (ӥ
åη) ϥååפΥǥХåѤǤޤ
ơååפȯϾˡ5 äԤȡoops ưŪȯ
ͥ뤬åϤʤ硢ƥϤȤƤ⿼˥
夷 (㤨Сϡɥ㳲)NMI ߤμ줵Ǥʤʤ
å夬ͥΥåϤǤʤΤ줫


2.4.2-ac18  NMI-oopser ϥǥեȤ̵ˤʤޤΤǡ
֡ȻΥѥ᡼ͭˤʤФʤޤ2.4.2-ac18 
NMI-oopser  x86 SMP ܥå̵ͭˤʤޤ


[Хơѥå򵤷ڤ Ingo Molnar <mingo@redhat.com> ⤷
  Linux SMP ᡼󥰥ꥹ <linux-smp@vger.kernel.org> äƤ
 ]
----------------------------------------------------------------------
ܸܹ <hng@ps.ksky.ne.jp>
