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3. ǰ

3.1 Ϥ

Ф̤ꡢޤ BadRAM ޤƴ֤ޤ󡣤Τᡢѹβǽޤäơ˺ǿξåΥɥȤκǿΥСȤ褦ˤƤ

3.2 ΥɥȤ򤹤뤿ɬ׻

Υɥ饤ФϤޤ¸ʳˤޤľá伫ȤϤޤ BadRAM ư linux ܥåۤ3ĤΤޤʤʤ顢BadRAM ưʤȸäϤޤʹȤϤޤˡäơƤξܺ٤ʼˤĤƤΤ٤ɸɥȤ뤳Ȥϰ̣ޤ󡣤ͳ顢ϤΥɥȤɼԤʲλǤȲꤷޤ

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ʤˤĤΤʤФ HOWTO ϤޤˤϤʤʤǤ礦䤬Ǥ륢ɥХ Kernel-HOWTO TIPS-HOWTO ɤळȤ򴫤Ǥ HOWTO Ͻ鿴ԸǤϤʤԤȤ˸ΤǤΥɥȤɤ߿ʤˤäƤϤդƤ

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3.3 ɤΤ RAM ⥸塼뤫ɤˡ

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Τ褦Τʾ˽Ф路Ȥ顢˹Ǥ⤷ͥ뤬 Oops ˤäƥååפʤƲȤ򤷤Фʤʤ ;-)ˡ餫˥ϡɥξ㳲ȯƤȤ櫓Ǥ ФСԶ RAM ⥸塼˸ޤΤʰʲ ɾ򼨤ޤ

  • ͥ뤬 Oops ߤNULL pointer assignment (ʥݥ󥿳)ؤλȤò¼¨¤é¡¼É½
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¹Ի˥顼ȯ

˸ߤ᤬äۤ¿ϥǤΤʤ⥸塼Ǥ餬֤ηвˤȤޤäƤȯ뤳ȤޤΥ⥸塼ΥåפǡǮƤޤӥåȤƤƤޤäꤷޤ ޤƤƤʤΰϡǤʤΤǤΥڡ=ΰ֤ΤȡˤȤХͥˤäƻȤƤȤ顥뤫ϸ˵ڤӤޤ꤬͡ʾɾȤƤϡΤΤޤ

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äȡ̵פλȤˤĤɬפǤ͡ˤȤäƤդϥԥ塼ʳؤˤĤƤˤϿƤǤΤǤϤޤ󡣲ˤǤ˵Ϥޤ ʬտĴ٤СäꡢʤäꤹؤΤȤ( ˰ )ͳǤΤǤǤɤ̵ȤɽϡΤǤפȤ̣ǤϤʤ֤ޤǤǤ˵褦˸סȤ򤷤Ƥ

3.4 򾯤Ф

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ǽ˾ˤĤơɤΤ褦˲褷ƤΤ

äϡƤΥǡ̾ɤ RAM ˳Ǽ줿ȤƤ⡢İʾ RAM ⥸塼뤬ƤȤ顢ƥ༫Τ˳ڤӤޤΤ褦ʾ Ë¤Í¥Ê¥×¥í¥°à¤¬Ç¼Æ¤Þ¤Ê¤ÎµÕ¤Ê¤Ë¡Î¥Ð¥È¤Ø¤Ã¤Æ¤Þ¤ CPU Ï¥Ç¡É¤ß¹Ç¤æ¤­Þ¤Ë¤è¤¿È¤Ç¡Û¤Ê¤Ã¤Æ²á¤·Þ¤Î¾ç¡¢ê¤¦ë¤³È¤È¤Æ¡×¥í¥°à¤¬Ô¤Æ°ò¤·¤Ê¤â¤·Ï¥Ã¥å¤·Æ¤Þ¤Ç¤ç¤¦

ǤϤɤäƲ褹ΤˤĤβˡޤ

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̾ϡǽˡΤ뤳ȤǤ礦μ갷ŹǤϷ빽ۤʧȤˤʤǤ礦100% ݾڤΥμ¤˺ˡʤ¤Ԥ 60% Ù¤Î¥í¥¹È¼Ë¹Ê¤Î¤Ç¤Ð¡Ï¤É¥â¥¸å¡¼Î¤Æ¤Æ¤Î¤Ç¤é¡£

BadRAM ƥ˽Ҥ٤2ܤβǤLinux ͥΥ֡Ȳǡƥϻꤵ줿 RAM ΰȤʤΤȤƥåƤޤޤ 뤳ȤˤꡢͥϤΥ褷ƻȤʤʤꡢμɤʥˤäƥƥबʤ褦ˤ뤳ȤǤޤƤݤˤϡΤϤñˤȤФǤ

3.5 ɽ§ˤĤ

뤿ˡΤ褦ɽꤿȻפޤ

  • BadRAM ȤϰĤޤϤʾɲսդΤȤǤ
  • GoodRAM Ȥϡ̤ˤŹ㤨 BadRAM ȿФΤΤǤ

⤷Ѹ˴ؤƶ̣ʤ顢BadRAM-4096 Í½Ð¤Î»Î¥Ú¡í¡¼É¤Æ¸Æ¤

3.6 ɬפʥե

- BadRAMѥåϸ i386 ×¥í¥»Ã¥Ç¤Î¤Æ°î¤·Þ¤ Alpha/Macs ʤɤưΤϤޤݡȤƤޤ󡣤⤷ΥޥǤΥƥȤǤʤ顢 Rick Þ¤Ç¤Ï¢í¤¯

äƤߤ褦

Υե򥤥󥿡ͥåȤäƤɬפޤ

󥨥顼ǤȻפƤȤϡmemtest ɽʥ顼ˤ󤶤ꤹ뤳ȤǤ礦ȤΤˡϤκȤ˥ԡɥåפѥåޤ http://webrum.uni-mannheim.de/math/schmoigl/linux 顢memtest86-patch ꤷƤߤƤ


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