/usr/share/doc/HOWTO/ja-html/BadRAM-HOWTO-4.html is in doc-linux-ja-html 2006.05.25-1.1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 | <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">
<HTML>
<HEAD>
<META NAME="GENERATOR" CONTENT="SGML-Tools 1.0.9">
<TITLE>BadRAM-HOWTO: Æ°¤¯¤è¤¦¤Ë¤¹¤ë</TITLE>
<LINK HREF="BadRAM-HOWTO-5.html" REL=next>
<LINK HREF="BadRAM-HOWTO-3.html" REL=previous>
<LINK HREF="BadRAM-HOWTO.html#toc4" REL=contents>
</HEAD>
<BODY>
<A HREF="BadRAM-HOWTO-5.html">¼¡¤Î¥Ú¡¼¥¸</A>
<A HREF="BadRAM-HOWTO-3.html">Á°¤Î¥Ú¡¼¥¸</A>
<A HREF="BadRAM-HOWTO.html#toc4">Ìܼ¡¤Ø</A>
<HR>
<H2><A NAME="s4">4. Æ°¤¯¤è¤¦¤Ë¤¹¤ë</A></H2>
<P>¤Í¤¸²ó¤·¤ò»È¤ï¤º¤Ë¡ÊÌõÃí¡§¤Ä¤Þ¤ê¥³¥ó¥Ô¥å¡¼¥¿¤Î¥±¡¼¥¹¤Î¤Õ¤¿¤ò¤Ï¤º¤·¤ÆÃæ¤ò¤¤¤¸¤ë¤³¤È¤ò¤»¤º¤Ë¡¢¤È¤¤¤¦°ÕÌ£¡Ë¡¢BadRAM¤òÀµ¤·¤¯Æ°ºî¤µ¤»¤ëÊýË¡¤¬¤¢¤ë¤Ë¤Ï¤¢¤ê¤Þ¤¹¤¬¡¢¤¢¤Ê¤¿¤Î¥·¥¹¥Æ¥à¤òÉÔ°ÂÄê¤Ê¾õÂ֤Τޤޤˤ·¤Æ¤·¤Þ¤¦¤³¤È¤Ë¤Ê¤ê¤«¤Í¤Ê¤¤¤¿¤á¡¢»ä¤«¤é¤Ï¤ª´«¤á¤Ç¤¤Þ¤»¤ó¡£
»ä¤Ï¤ß¤Ê¤µ¤ó¤ËÂФ·¤Æ¡¢ÉÔÎÉ¥á¥â¥ê¤È´·¤ì¿Æ¤·¤ó¤Ç¤¤¤¿¤À¤¯¤³¤È¤ò˾¤ó¤Ç¤¤¤ë¤ï¤±¤Ç¤Ï¤Ê¤¤¤Î¤Ç¡¢¤³¤³¤Ç¤Ï¤â¤Ã¤È°ÂÁ´¤ÊÊýË¡¤ò¤ª¶µ¤¨¤·¤Æ¤ª¤¤Þ¤¹ ¡Ý
<P>
<H2><A NAME="ss4.1">4.1 ¤â¤Ã¤È¤âÂçÀڤʤ³¤È¤Ï¡Ö³Îǧ¡×¤¹¤ë¤³¤È¡ª</A>
</H2>
<P>ÉÔÎÉ¤Ê RAM ¤ò°·¤¦¾å¤Ë¤ª¤¤¤Æ¡¢¾ï¤Ëµ¤¤Ë¤È¤á¤Æ¤ª¤¯¤Ù¤£²¤Ä¤Î´ðËÜ»ö¹à¤¬¤¢¤ê¤Þ¤¹ ¡Ý
<UL>
<LI>Á´¤Æ¤ò³Îǧ¤·</LI>
<LI>¼ê¤òÈ´¤«¤Ê¤¤¤³¤È</LI>
</UL>
<P>¤µ¤Æ¡¢¤³¤³¤«¤é¤Ï¤¢¤Ê¤¿¤¬£²¤Ä¤Î¥á¥â¥ê¤ò»ý¤Ã¤Æ¤¤¤ë¤³¤È¤ò´üÂÔ¤·¤Æ½ñ¤¿Ê¤ß¤Þ¤¹ ¡Ý
°ì¤Ä¤ÏÌäÂê¤Î¤Ê¤¤(Îɤ¤ RAM ¥â¥¸¥å¡¼¥ë¡¢¤È¸Æ¤Ó¤Þ¤¹¡Ë¤â¤Î¡¢¤â¤¦°ì¤Ä¤Ïµ¿¤ï¤·¤¤¤â¤Î¤Ç¤¹¡£
¤â¤·¡¢¤¢¤Ê¤¿¤¬°ì¤Ä¤·¤«¥â¥¸¥å¡¼¥ë¤ò»ý¤Ã¤Æ¤¤¤Ê¤¤¤Ê¤é¡¢¸å¤Ë½Ò¤Ù¤ë¡Ö°ì¤Ä¤·¤«¥â¥¸¥å¡¼¥ë¤¬¤Ê¤¤¾ì¹ç¡×¤ò»²¾È¤·¤Æ¤¯¤À¤µ¤¤¡£¤¤¤º¤ì¤Ë¤»¤è¤É¤¦¤ä¤Ã¤Æ¥á¥â¥ê¤ò¥Á¥§¥Ã¥¯¤¹¤ë¤«¤ò³Ø¤Ö¤¿¤á¤Ë¤Ï¤³¤Î¾Ï¤âÆɤó¤Ç¤ª¤«¤Ê¤±¤ì¤Ð¤Ê¤é¤Ê¤¤¤Ç¤·¤ç¤¦¡£
<P>
<P>ºÇ½é¤Ë¤¹¤Ù¤¤³¤È¤Ï¡¢²ø¤·¤¤¤È»×¤ï¤ì¤ë¥â¥¸¥å¡¼¥ë¤ò¼è¤ê³°¤¹¤³¤È¤Ç¤¹¡£¤½¤ì¤«¤é¡¢Ä̾ïÄ̤ꥷ¥¹¥Æ¥à¤òµ¯Æ°¤·¤Þ¤¹¡£
¤Á¤ç¤Ã¤È¤·¤¿ºî¶È¤ò¤·¡ÊÌó10ʬ¤Û¤É¤Îºî¶È¤Ç¤¹¡Ë¡¢ÉÔÎÉ¥á¥â¥ê¤Ë´Ø·¸¤·¤¿¥È¥é¥Ã¥×¤ä¥¨¥é¡¼¤ä¥Ð¥°¤¬Ìµ¤¤¤«¤òÄ´¤Ù¤Þ¤¹¡£¤â¤·²¿¤«¤¬µ¯¤³¤ë¤È¤·¤¿¤é¡¢¼¡¤Î¤è¤¦¤Ê¤³¤È¤Ç¤·¤ç¤¦¡£
<UL>
<LI>´Ö°ã¤Ã¤¿¥â¥¸¥å¡¼¥ë¤ò PC ¤«¤é¼è¤ê³°¤·¤Æ¤·¤Þ¤Ã¤¿¡Ê¤¢¤ê¤¬¤Á¤Ç¤¹¤Í¡Ë¡£¥Ü¡¼¥É¤´¤È¤Ë¥á¥â¥ê¤ÎÇÛÃÖ½çÈ֤Ϸ빽°ã¤¦¤Î¤Ç¡£
¤¢¤ë¤¤¤Ï¡¢</LI>
<LI>£²Ëç¤È¤âÉÔÎÉ¥á¥â¥ê¤À¤Ã¤¿¡Ê¤¢¤Þ¤ê¤¢¤ê¤¨¤Ê¤¤¤È¤Ï»×¤¤¤Þ¤¹¤¬¡Ë¡£¤¢¤ë¤¤¤Ï¡¢
</LI>
<LI>ÉÔÎÉ¥á¥â¥ê¤È¤Ï°ã¤¦¸¶°ø¤Î¾ã³²¤¬È¯À¸¤·¤Æ¤¤¤Þ¤¹¡ª¥É¥é¥¤¥Ð¤ÎÉÔÎɤä¤é¡¢ÀßÄê¤Î´Ö°ã¤¤¤Ê¤É¤¬¤¢¤êÆÀ¤Þ¤¹¡£</LI>
</UL>
<P>¤â¤·¡¢²¿¤ÎÌäÂê¤â¤Ê¤«¤Ã¤¿¤Ê¤é¤Ð¡¢¤¢¤Ê¤¿¤Ï PC ¤ËÆþ¤Ã¤Æ¤¤¤ë¤½¤Î¥á¥â¥ê¤ò¡Ö¤È¤ê¤¢¤¨¤ºÎɤ¤¥â¥¸¥å¡¼¥ë¡×¤È¤·¤Æ¤·¤Ð¤é¤¯¥Þ¡¼¥¯¤·¤Æ¤ª¤¤Þ¤¹¡£
<P>¡ÊÌõÃí¡§
Ê£¿ô¤Î¥á¥â¥ê¥â¥¸¥å¡¼¥ë¤òÁýÀßñ°Ì¤È¤¹¤ë¥Þ¥¶¡¼¥Ü¡¼¥É¤â¤¢¤ê¤Þ¤¹¡£¤¿¤È¤¨¤Ð¸Å¤¤¡Ê½é´ü¤Î¡ËEDO-RAM ¤ò»È¤¦Pentium Âбþ¥Á¥Ã¥×¥»¥Ã¥È¤ÎÃæ¤Ë¤Ï¡¢2Ëçñ°Ì¤Ç¤Î¥â¥¸¥å¡¼¥ëÁõÃå¤òɬÍפȤ¹¤ë¤â¤Î¤â¤¢¤ê¤Þ¤¹¡£
¤Þ¤¿¡¢¿®ÍêÀ¤òÍ׵᤹¤ë¤è¤¦¤ÊÍÑÅÓ¤ËÍѤ¤¤é¤ì¤ë¥Þ¥¶¡¼¥Ü¡¼¥É¤Ë¤â¤½¤¦¤¤¤¦¤â¤Î¤¬¤¢¤ê¤Þ¤¹¡£¤½¤¦¤¤¤¦¾ì¹ç2Ëç°Ê¾å¤Î¥â¥¸¥å¡¼¥ë¤Ë¤Ä¤¤¤ÆƱ»þ¤Ëºî¶È¤·¤Ê¤¤¤È¤¤¤±¤Þ¤»¤ó¡£¾Ü¤·¤¯¤Ï¤ª¼ê»ý¤Á¤Î PC ¤Î¥Þ¥¶¡¼¥Ü¡¼¥É¤ÎÀâÌÀ½ñ¤Ê¤É¤ò¤´Í÷¤¯¤À¤µ¤¤¡Ë
<P>
<P>¤µ¤Æ¡¢¤Þ¤À¥À¥¦¥ó¥í¡¼¥É¤·¤Æ¤¤¤Ê¤¤¤Ê¤é¤³¤³¤Ç memtest86 ¤ò¥À¥¦¥ó¥í¡¼¥É¤·¤Æ¡¢°µ½Ì¤ò²ò¤¤¤Æ¥³¥ó¥Ñ¥¤¥ë¤·¤Þ¤·¤ç¤¦¡£¤½¤ì¤«¤éźÉÕʸ½ñ¤Ë¤Á¤ç¤Ã¤ÈÌܤòÄ̤·¤Þ¤¹¡£
»ä¼«¿È»þ¡¹¼é¤é¤Ê¤¤¤³¤È¤â¤¢¤ë¤Î¤Ç¤¹¤¬¡¢ memtest86 ¤Ï¥Ç¥£¥¹¥¯¡ÊÌõÃí¡§¥Õ¥í¥Ã¥Ô¡¼¥Ç¥£¥¹¥¯¤Ç¤¹¡Ë¤Ë¥¤¥ó¥¹¥È¡¼¥ë¤¹¤ë¤³¤È¤ò¤ª´«¤á¤·¤Þ¤¹¡£¤³¤¦¤¹¤ë¤³¤È¤ÎÍøÅÀ¤È·çÅÀ¤Ë¤Ä¤¤¤Æ¤Ï¸å¤Ë¡Ö¤µ¤é¤Ê¤ë¥Ò¥ó¥È¡×¤Î¾Ï¤ÇÀâÌÀ¤·¤Þ¤¹¡£
<P>
<P>¤½¤ì¤Ç¤Ï¡¢memtest86 ¤ÇPC¤òµ¯Æ°¤µ¤»¡¢¾¯¤Ê¤¯¤È¤â¤½¤ÎºÇ½é¤Î3¤Ä¤Î¥Æ¥¹¥È¤Ë¤Ä¤¤¤Æ¤Ï¡Ö¤È¤ê¤¢¤¨¤ºÎɤ¤¥â¥¸¥å¡¼¥ë¡×¤Ë¤Ä¤¤¤Æ¼Â»Ü¤·¤Æ¤¯¤À¤µ¤¤¡Ê¤³¤ì¤Ï¤¢¤Þ¤ê»þ´Ö¤Î³Ý¤«¤é¤Ê¤¤¤ä¤ê¤«¤¿¤Ç¤¹¤Î¤Ç¡Ö¼êÁᤤ¥á¥â¥ê¥Æ¥¹¥È¡×¤È¸Æ¤Ö¤³¤È¤Ë¤·¤Þ¤¹¡Ë¡£
¤â¤·ÉÔÎɤÎÎΰ褬¸«¤Ä¤«¤Ã¤¿¤Ê¤é¡Ê±¦¾å¤ÎÊý¤Ëɽ¼¨¤µ¤ì¤ë¥¨¥é¡¼¤Î¿ô¤¬Áý¤¨¤Æ¹Ô¤¯¤³¤È¤Ç¤ï¤«¤ê¤Þ¤¹¡Ë¡¢¤¢¤Ê¤¿¤Î¥á¥â¥ê¤Ë¤ÏÌäÂ꤬¤¢¤ê¤Þ¤¹¡£¤½¤Î¾ì¹ç¤Ï¡¢¤³¤Î¥â¥¸¥å¡¼¥ë¤ò¡Ö°¤¤¥â¥¸¥å¡¼¥ë¡×¤È¤·¤Æ°·¤ï¤Ê¤±¤ì¤Ð¤Ê¤ê¤Þ¤»¤ó¡ª
¤Ä¤Å¤¤¤Æ¡¢Àè¤Û¤É°ì»þŪ¤Ë¼è¤ê³°¤·¤¿¥á¥â¥ê¥â¥¸¥å¡¼¥ë¤òPC ¤ËÌᤷ¤Æ¡¢memtest ¤òºÆÅټ¹Ԥ·¤Þ¤¹¡£¤â¤·¤É¤Á¤é¤Î¥â¥¸¥å¡¼¥ë¤âÉÔÎɤÀ¤Ã¤¿¾ì¹ç¡¢¤É¤Á¤é¤«¤òÏƤËÃÖ¤¤¤Æ¤ª¤¤¤Æ¡¢°ì¤Ä¤Î¥â¥¸¥å¡¼¥ë¤À¤±¤ò»È¤Ã¤Æ¡Ö°ì¤Ä¤·¤«¥â¥¸¥å¡¼¥ë¤¬¤Ê¤¤¾ì¹ç¡×¤ØÆɤ߿ʤó¤Ç¤¯¤À¤µ¤¤¡ª
<P>
<P>¡Ö¼êÁᤤ¥á¥â¥ê¥Æ¥¹¥È¡×¤òÌäÂê¤Ê¤¯¥Ñ¥¹¤·¤¿¤é¡¢¤³¤ì¤ò¡ÖÎɤ¤¥á¥â¥ê¡×¤È¸Æ¤ó¤Ç¤¤¤¤¤Ç¤·¤ç¤¦¡£º£¤¹¤Ù¤¤³¤È¤Ï¡¢¤³¤Î¥â¥¸¥å¡¼¥ë¤ò¥Þ¥¶¡¼¥Ü¡¼¥É¤ÎºÇ½é¤Î RAM ¥Ð¥ó¥¯¤Ë»Ä¤·¤Æ¤ª¤¯¤³¤È¤Ç¤¹¡Ê¤ª¼ê»ý¤Á¤Î¥Þ¥¶¡¼¥Ü¡¼¥É¤ÎÀâÌÀ½ñ¤ò¤´¤é¤ó¤Ë¤Ê¤ê¡¢¤É¤ì¤¬¤½¤ì¤«¤ò³Îǧ¤·¤Æ¤¯¤À¤µ¤¤¡£¤À¤¤¤¿¤¤¡¢ºÇ½é¤Î¥Ð¥ó¥¯¤Ï "Bank 0"¤È¸Æ¤Ð¤ì¤Æ¤¤¤ë¤Ï¤º¤Ç¤¹¡Ë¡£
Linux ¥«¡¼¥Í¥ë¤ämemtest¤ÏÄ̾ï¤ÎÆ°ºî¤Î¤¿¤á¤Ë¡¢¤³¤ì¤éÎɤ¤Îΰè¤òɬÍפȤ¹¤ë¤Î¤Ç¡¢°Ê¹ß¼è¤ê³°¤·¤¿¤ê¤·¤Ê¤¤¤Ç¤¯¤À¤µ¤¤¡ª
<P>¡ÊÌõÃí¡§Àè¤Ë½Ò¤Ù¤¿¡¢Ê£¿ôñ°Ì¤ÇÁõÃ夷¤Ê¤±¤ì¤Ð¤Ê¤é¤Ê¤¤¤è¤¦¤Ê¥Ü¡¼¥É¤Ç¤Ï "Bank 0" ¤È "Bank 1" ....¤È»Ä¤·¤Þ¤¹¡Ë
<P>
<P>¤Ä¤Å¤¤¤Æ¡¢ÉÔÎɤʥ⥸¥å¡¼¥ë¤ò PC ¤Î¹â°Ì¥Ð¥ó¥¯(ÌõÃí¡§Àè¤Û¤É¤ÎÎɤ¤¥á¥â¥ê¤ò"Bank 0"¤ËÆþ¤ì¤¿¤Ê¤é¡¢"Bank 1" ¤Ë¡£°ìÉô¤Î¥Þ¥¶¡¼¥Ü¡¼¥É¤Ê¤é "Bank 2" °Ê¾å¤«¤é¤Ë¤Ê¤ë¤Ç¤·¤ç¤¦)¤ËÄɲä·¤Þ¤¹¡£
Åö¤¿¤êÁ°¤Î»ö¤Ê¤¬¤é¡¢RAM ¤Î¥µ¥¤¥º¤ÏÁý²Ã¤¹¤ë¤Ç¤·¤ç¤¦¤¬¡¢¤·¤«¤·¡¢¤ª¤½¤é¤¯ÌäÂê¤Î¤¢¤ë RAM ¤¬ Îɤ¤ RAM ¤Î¹â°Ì¤Ë°ÌÃÖ¤·¤Æ¤¤¤ë»ö¤ËÃí°Õ¤·¤Æ¤¯¤À¤µ¤¤¡£
memtest ¤ò¤½¤Î¤Þ¤Þ¼Â¹Ô¤·¤Æ¤â¡¢BadRAM ¥Ñ¥Ã¥Á¤Î¤¿¤á¤Ë»È¤¦½ÐÎϤòÆÀ¤ë¤³¤È¤Ï¤Ç¤¤Þ¤»¤ó¡£
memtest ¤Î²èÌ̤Ç"C"¥¡¼¤ò²¡¤¹¤³¤È¤Ç¡¢ÀßÄê¤òÊѹ¹¤¹¤ë¤³¤È¤¬¤Ç¤¤Þ¤¹¡£¤³¤ÎÀßÄê²èÌ̤Ϥ¢¤Ê¤¿¤ò¼ê½õ¤±¤·¤Æ¤¯¤ì¤ë¤Ç¤·¤ç¤¦¡£
<P>
<P>BADRAM¥³¥Þ¥ó¥É¥é¥¤¥ó¤Î½ÐÎϤÎÀÚ¤êÂؤ¨¤Ï (6) (2) ¤òÀßÄê¥á¥Ë¥å¡¼¤«¤éÁª¤Ö¤³¤È¤Ç²Äǽ¤Ç¤¹
(ÌõÃí¡§memtest86-2.5beta ¤Ç¤Ï"C"¤ò²¡¤·¤¿¸å"5" "2"¤È¤·¤Þ¤¹)¡£
¤µ¤Æ¡¢¤³¤³¤Ç¥³¡¼¥Ò¡¼¤ò¤â¤¦°ìÇÕÆþ¤ì¤Æ¤¯¤ë¤«¡¢°ì̲¤ê¤·¤Þ¤·¤ç¤¦¡£
¤³¤ì¤é¤Î¥á¥â¥ê¤Ç²¿¤¬µ¯¤³¤Ã¤Æ¤¤¤ë¤Î¤«¤òÀµ³Î¤ËÃΤë¤Ë¤Ï¾¯¤Ê¤¯¤È¤âºÇ½é¤Î6¤Ä¤Î¥Æ¥¹¥È¤ò¼Â¹Ô¤¹¤ë¤³¤È¤ò¤ª´«¤á¤·¤Þ¤¹¡£¥á¥â¥ê¥â¥¸¥å¡¼¥ë¤òÄ´¤Ù¤Æ¤¤¤ë´Ö¡¢memtest ¤Ï²¿¤¬ÌäÂê¤Ê¤Î¤«¤Ë´Ø¤¹¤ë¾ðÊó¤ò¼ý½¸¤·¤Æ¤¤¤Þ¤¹¡£
²èÌ̤Ëɽ¼¨¤µ¤ì¤ëÉÔÎÉ¥á¥â¥ê¤Ë´Ø¤¹¤ëÉôʬ¤Ç¤Ï¡¢¤³¤Î¥â¥¸¥å¡¼¥ë¤ò»È¤ª¤¦¤È¤·¤¿¾ì¹ç¤Ë²¿¤¬ÌäÂê¤È¤Ê¤ë¤«¤ò¼¨¤¹°ìÏ¢¤Îɽ¼¨¤¬¸½¤ì¤Þ¤¹¡£
¤Á¤ç¤Ã¤È¤·¤¿¥¢¥É¥Ð¥¤¥¹ ¡Ý 16¿Ê¿ô¤ÎÆó·åÌܤ˸½¤ì¤ë"0"¤¬Â¿¤±¤ì¤Ð¿¤¤¤Û¤É¡¢¤¢¤Ê¤¿¤Î¥á¥â¥ê¤Ë¤ÏÌäÂ꤬¿¤¤¤³¤È¤¬¤ï¤«¤ê¤Þ¤¹¡£
¤³¤³¤Ç¥Æ¥¹¥È¤ò°ìöÃæÃǤ·¤Æ¡¢»ä¤Îºî¤Ã¤¿¡Ö¤¿¤¯¤µ¤ó¤Î¥¨¥é¡¼¤¬¤Ç¤¿¾ì¹ç¤Ë¤½¤ì¤òÁ᤯ºÑ¤Þ¤»¤é¤ì¤ë¡×¥Ñ¥Ã¥Á¤ò¤¢¤Æ¤Æ¡¢·àŪ¤Ëºî¶È¤òÁ᤯ÊҤŤ±¤ë¤³¤È¤¬¤Ç¤¤Þ¤¹¡Ê1024¸Ä°Ê¾å¤Î¥¨¥é¡¼¤¬¤Ç¤ë¾ì¹ç¤·¤«¡¢¤³¤Î¥Ñ¥Ã¥Á¤ÏÆ°¤¤Þ¤»¤ó¤¬¡ª¡Ë¡£memtest ¤òºÆÅÙ¥³¥ó¥Ñ¥¤¥ë¤·¤Æ¥¤¥ó¥¹¥È¡¼¥ë¤¹¤ë¤³¤È¤ò¤ªËº¤ì¤Ê¤¯¡£
<P>
<P>
<P>¥Æ¥¹¥È¤¬´°Î»¤·¤¿¤é¡¢ºÇ¸å¤ÎÉÔÀµ¥á¥â¥ê¤Ë´Ø¤¹¤ë¥³¥Þ¥ó¥É¹Ô¤ò¥á¥â¤Ë½ñ¤¼Ì¤¹¤«¤·¤Æ¹µ¤¨¤Æ¤ª¤¤Þ¤·¤ç¤¦¡£ÉÔÎÉÎΰè¤Î¥í¥Ã¥¯¤Î¤¿¤á¤Ë¡¢¤¢¤È¤Ç¤³¤Î¥Ñ¥é¥á¡¼¥¿¤¬É¬Íפˤʤê¤Þ¤¹¡£
¤â¤·°ì¹Ô¤â·ë²Ì¤¬ÆÀ¤é¤ì¤Ê¤«¤Ã¤¿¾ì¹ç¡¢Á´¤Æ¤Î RAM ¤Ë¤ÏÌäÂ꤬¤¢¤ê¤Þ¤»¤ó¡£BadRAM ¥Ñ¥Ã¥Á¤òÁȤ߹þ¤àɬÍפϤ¢¤ê¤Þ¤»¤ó¡£°ÊÁ°¤ËÁø¶ø¤·¤¿ÌäÂê¤Ï¡¢¤ª¤½¤é¤¯¥á¥â¥ê¤Ë´Ø·¸¤·¤¿¤â¤Î¤Ç¤Ï¤Ê¤¯¸¶°ø¤ÏÊ̤ˤ¢¤ë¤È¤¤¤¦¤³¤È¤Ç¤¹¡£
¤·¤«¤·¡¢ºÇ½é¤Ë»î¤·¤ÆÌäÂê¤Ê¤¤¤È»×¤ï¤ì¤¿¥á¥â¥ê¤Ë¤Ä¤¤¤ÆŤ¤¥á¥â¥ê¥Æ¥¹¥È¤ò¼Â¹Ô¤¹¤ë¤³¤È¤â¤¤¤¤¤«¤â¤·¤ì¤Þ¤»¤ó¡£¤½¤³¤Ç¤¢¤Ê¤¿¤Ï²þ¤á¤ÆÉÔÎɥӥåȤò¸«¤Ä¤±¤ë¤«¤â¤·¤ì¤Þ¤»¤ó¡£
<P>
<H2><A NAME="ss4.2">4.2 BadRAM ¥Ñ¥Ã¥Á¤òÆ°¤«¤¹</A>
</H2>
<P>ºÇ½é¤Ë¡¢ÉÔÎɤʥá¥â¥ê¥â¥¸¥å¡¼¥ë¤ò PC ¤«¤é¤Ï¤º¤·¤Þ¤¹¡£BadRAM ¥Ñ¥Ã¥Á¤Ï¤Þ¤À͸ú¤Ë¤Ê¤Ã¤Æ¤¤¤Ê¤¤¤Î¤Ç¡¢¥Ç¡¼¥¿¤ÏÌäÂê¤Î¤¢¤ëÎΰè¤Ë¤â½ñ¤«¤ì¤Æ¤·¤Þ¤¤¤Þ¤¹¡£¤³¤Î¤Þ¤Þ¤À¤È¡¢¤¢¤Ê¤¿¤Î¥·¥¹¥Æ¥à¤Ï¥¯¥é¥Ã¥·¥å¤¹¤ë¤«¤Ê¤Ë¤«¾ã³²¤òȯÀ¸¤¹¤ë¤Ç¤·¤ç¤¦¡£¾¯¤Ê¤¯¤È¤â¡¢¼¡¤Îºî¶È¹àÌܤǤ¢¤ë¥«¡¼¥Í¥ë¤Î¥³¥ó¥Ñ¥¤¥ë¤Ë´Ø¤·¤Æ¤ÏÈó¾ï¤ËÌäÂ꤬¤¢¤ê¤Þ¤¹¡£
<P>
<P>¤Þ¤À¼ê¤ËÆþ¤ì¤Æ¤¤¤Ê¤¤¤Ê¤é¡¢¤³¤³¤ÇÌÜŪ¤Î¥«¡¼¥Í¥ë¤ò¥À¥¦¥ó¥í¡¼¥É¤·¤Æ°µ½Ì¤ò²ò¤¡¢¹½À®¤·¤Þ¤¹¡£Â³¤¤¤Æ¡¢BadRAM ¥Ñ¥Ã¥Á¤ò¥«¡¼¥Í¥ë¥Ä¥ê¡¼¤ÎÀèƬ¤ÇŬÍѤ·¤Þ¤¹¡ÊÌõÃí¡§¶ñÂÎŪ¤Ë¤Ï /usr/src ¤Ç¡£¥Ñ¥Ã¥Á¤Î¤ª¤«¤ì¤Æ¤¤¤ë¾ì½ê¤Ë±þ¤¸¤Æ°Ê²¼¤Î¥³¥Þ¥ó¥É¥é¥¤¥óÎó¤Ï½ñ¤´¹¤¨¤¬É¬ÍפǤ¹¡Ë¡£
<P>
<PRE>
patch -p0 < patch-name.diff
</PRE>
<P>¥«¡¼¥Í¥ë¤Î¹½À®¤ò¤³¤³¤ÇºÆÅÙ¹Ô¤¤¤Þ¤¹¡£BadRAM¤òÀ©¸æ¤¹¤ë¤¿¤á¤Î¿·¤·¤¤¥ª¥×¥·¥ç¥ó¤¬ General Setup ¤Ë¤¤¤¯¤Ä¤«Äɲ䵤ì¤Æ¤¤¤ë¤³¤È¤ËÃí°Õ¤·¤Æ¤¯¤À¤µ¤¤¡£²¼µ¤Î¤è¤¦¤ÊÀßÄê¤ò¿ä¾©¤·¤Þ¤¹¡£
<P>
<PRE>
[*] Work around bad spots in RAM (BadRAM-patch)
[ ] Enable BadRAM debug messages during kernel boot
[*] /proc fs support
[*] Extended Module support.
</PRE>
<P>¡ÊÌõÃí¡§¥«¡¼¥Í¥ë¤Î¥Ð¡¼¥¸¥ç¥ó¤ä BadRAM ¥Ñ¥Ã¥Á¤Î¥Ð¡¼¥¸¥ç¥ó¤Ë¤è¤Ã¤Æ¡¢¾åµ¤Ï¿¾¯°Û¤Ê¤ê¤Þ¤¹¡Ë
<P>
<P>ºÇ¸å¤Î¥ª¥×¥·¥ç¥óºÇ¤â¤¬ÂçÀڤǤ¹¡£¤³¤Î HOWTO ¤Ë½¾¤¦¤Ê¤é¡¢¤³¤³¤Ï¥Á¥§¥Ã¥¯¤·¤Æ¤ª¤¯É¬Íפ¬¤¢¤ê¤Þ¤¹¡ª
<P>
<P>¼¡¤Ë¤¹¤ë¤Ù¤»ö¤Ï¡¢BadRAM ¥Ñ¥Ã¥Á¤Ë¥á¥â¥ê¥â¥¸¥å¡¼¥ë¤ÎÇÛÃÖ¤òÍ¿¤¨¤Æ¤ò͸ú¤Ë¤¹¤ë¤³¤È¤Ç¤¹¡£
¤³¤ì¤ÏÀßÄê¥Õ¥¡¥¤¥ë <EM>/etc/badram.conf</EM> ¤ò»È¤¦¤³¤È¤Ç¹Ô¤¤¤Þ¤¹¡£memtest ¤Ë¤è¤ë¥Æ¥¹¥È¤ÇÆÀ¤é¤ì¤¿·ë²Ì¤¬¤³¤³¤ÇɬÍפǤ¹¡£¹½À®¤Î¤¿¤á¤Îʸˡ¤Ë´Ø¤·¤Æ¤Ï /usr/src/linux/Documentation/badram_conf.txt ¤Ëµ½Ò¤¬¤¢¤ê¤Þ¤¹¡£
ºÇ½é¤Î¥á¥â¥ê¥â¥¸¥å¡¼¥ë¤ò "good" ¡¢ÌäÂê¤Î¤¢¤ë¥â¥¸¥å¡¼¥ë¤ò "bad" ¤È¸Æ¤Ö¤³¤È¤Ë¤·¤Þ¤¹¡£¤³¤Î¸Æ¤ÓÊý¤Ï /etc/badram.conf ¤Ç¤Îµ½Ò¤È°ìÃפµ¤»¤Æ¤ª¤¯¤ÈÎɤ¤¤Ç¤·¤ç¤¦¡£
<P>
<P>BadRAM ¤ÎÀßÄê¥Õ¥¡¥¤¥ë¤ò½ñ¤¹þ¤ó¤À¤Î¤Á¡¢¤¢¤Ê¤¿¤Ï¥«¡¼¥Í¥ë¤ò¤¤¤Ä¤âÄ̤ꥳ¥ó¥Ñ¥¤¥ë¤·¤Æ¤¯¤À¤µ¤¤¡£¥¤¥ó¥¹¥È¡¼¥ë¤â¤ª¹¥¤¤ÊÊýË¡¤Ç·ë¹½¤Ç¤¹¡£¼¡¤Î¥³¥Þ¥ó¥É¥é¥¤¥ó¤ò LILO ¤ÎÀßÄê¥Õ¥¡¥¤¥ë¤ËÄɲ䷤ơ¢¥³¥Þ¥ó¥É¤ËÍ¿¤¨¤Þ¤¹ ¡Ý
<PRE>
badram=good,bad
</PRE>
<P>¤³¤Î¥³¥Þ¥ó¥É¥é¥¤¥ó¤Ï¡¢¤Þ¤ººÇ½é¤Ë "good" ¤È̾ÉÕ¤±¤¿Êý¤Î¥â¥¸¥å¡¼¥ë¤ÎÉÔÎɲսê¤ò¥í¥Ã¥¯¤· (¤Þ¤¢¡¢Á´¤¯¥í¥Ã¥¯¤¹¤ë²Õ½ê¤Ï¤¢¤ê¤Þ¤»¤ó¤¬ ) ¼¡¤Ë "bad" ¤È̾ÉÕ¤±¤¿Êý¤Î¥â¥¸¥å¡¼¥ë¤ÎÉÔÎɲսê¤ò¥í¥Ã¥¯¤·¤Þ¤¹¡£lilo ¥³¥Þ¥ó¥É¤ò¼Â¹Ô¤¹¤ë¤³¤È¤ò˺¤ì¤º¤Ë¡ª
<P>
<P>¥·¥¹¥Æ¥à¤òºÆµ¯Æ°¤·¡¢²õ¤ì¤¿ RAM ¥â¥¸¥å¡¼¥ë¤ò PC ¤ËÆþ¤ì¤Þ¤¹¡£¿·¤·¤¤ ÉÔÎÉ¥á¥â¥ê¤ò¥µ¥Ý¡¼¥È¤·¤¿¥«¡¼¥Í¥ë¤òµ¯Æ°¤·¤Æ¡¢²èÌ̤Ëɽ¼¨¤µ¤ì¤ë¥á¥Ã¥»¡¼¥¸¤ò¸«¤¿¸å¡¢ÉáÄÌ¤Ë¥í¥°¥¤¥ó¤·¤Þ¤·¤ç¤¦¡£
Àè¤Ë /proc fs support ¤ò͸ú¤Ë¤·¤Æ¤¤¤¿¤Ê¤é¡¢ <EM>/proc/badram</EM> ¥Õ¥¡¥¤¥ë¤ò¸«¤ë¤³¤È¤¬¤Ç¤¤Þ¤¹¡£¤½¤³¤Ç¡¢BadRAM¤Ë¤è¤Ã¤Æ̵¸ú¤Ë¤µ¤ì¤¿Á´¤Æ¤Î¥Ú¡¼¥¸¡Ê¥Ú¡¼¥¸¤È¤Ï4096¥Ð¥¤¥È¤Î RAM Îΰè¤Ç¤¹¡Ë¤¬¥ê¥¹¥È¤µ¤ì¤Æ¤¤¤Þ¤¹¡£
<P>¡ÊÌõÃí¡§Í¸ú¤Ë¤¹¤ë¤Ê¤é¡¢ºÆµ¯Æ°¤Ç¤Ï¤Ê¤¯¤Þ¤º¥·¥ã¥Ã¥È¥À¥¦¥ó¤·¤Æ¤«¤é¡¢ÉÔÎɤȤª¤Ü¤·¤ RAM¥â¥¸¥å¡¼¥ë¤òÄɲ乤뤳¤È¤Ë¤Ê¤ê¤Þ¤¹¡£ºÆµ¯Æ°¤·¤Æ¡¢¿·¤·¤¤¥«¡¼¥Í¥ë¤¬ÌäÂê¤Ê¤¯Æ°ºî¤¹¤ë¤³¤È¤ò³Îǧ¤·¡¢¤½¤Î¸å¥·¥ã¥Ã¥È¥À¥¦¥ó¤·¤Æ¥á¥â¥ê¤òÆþ¤ì¡¢µ¯Æ°¡£¤È¤¤¤¦¤Î¤¬Àµ¤·¤¤¤Ç¤¹¡Ë
<P>
<P>¥á¥â¥ê¹½À®¤òÊѹ¹¤·¤Ê¤¤¸Â¤ê¡¢ÉáÄÌÄ̤ê¤Ë¥·¥¹¥Æ¥à¤ò²ÔƯ¤µ¤»¤ë¤³¤È¤¬¤Ç¤¤Þ¤¹¡£Á´¤Æ¤ÎÉÔÎɤÊÎΰè¤ÏÉÔÀµ¤È¤·¤Æ¥Þ¡¼¥¯¤µ¤ì¡¢¥«¡¼¥Í¥ë¤«¤é¤â¤É¤Î¤è¤¦¤Ê¥¢¥×¥ê¥±¡¼¥·¥ç¥ó¤«¤é¤â»È¤ï¤ì¤ë¤³¤È¤Ï¤¢¤ê¤Þ¤»¤ó¡£
¥·¥¹¥Æ¥à¤Ï¤³¤Î¾õÂ֤ǺÇÂçÉé²Ù¤Ë¤Æ²ÔƯ¤¹¤ë¤³¤È¤¬¤Ç¤¤Þ¤¹¡£
<P>
<HR>
<A HREF="BadRAM-HOWTO-5.html">¼¡¤Î¥Ú¡¼¥¸</A>
<A HREF="BadRAM-HOWTO-3.html">Á°¤Î¥Ú¡¼¥¸</A>
<A HREF="BadRAM-HOWTO.html#toc4">Ìܼ¡¤Ø</A>
</BODY>
</HTML>
|