path: root/zh_TW.Big5/FAQ/troubleshoot.sgml

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  <sect>
    <heading>±`¨£°ÝÃD¸Ñ¨M<label id="troubleshoot"></heading>

  <sect1>
      <heading>§ÚªºµwºÐ¦³Ãa­y!<label id="awre"></heading>

      <p>­Y¬O SCSI µwºÐªº¸Ü¡AÀ³¸Ó¦³¯à¤O¦Û°Ê§@ re-mapping ªº°Ê§@¡C
      µM¦Ó¡A¦]¬°¤@¨Ç¯«¯µªº¦]¯À¡A¦b¥X¼t®É¡A«Ü¦hµwºÐªº³o¶µ¥\¯à¬OÃö³¬ªº.
      <p>­n±N¨ä­«·s¶}±Ò¡A±z»Ý­n½s¿è¸Ë¸mªº²Ä¤@­Ó page ¼Ò¦¡ 
      ¡]first device page mode¡^¡A¦b FreeBSD ¤W¥i¥H¥Î¤U­±ªº«ü¥O¿ì¨ì
      ¡]¥H root ¨­¤À°õ¦æ¡^

      <verb>
        scsi -f /dev/rsd0c -m 1 -e -P 3
      </verb>

      <p>µM«á±N AWRE ©M ARRE ªº¼Æ­È±q 0 Åܦ¨ 1:-

      <verb>
        AWRE (Auto Write Reallocation Enbld):  1
        ARRE (Auto Read Reallocation Enbld):  1
      </verb>

      <p>¤W­±³o¬q¬O¥Ñ 
      <url url="mailto:tedm@toybox.placo.com" name="Ted Mittelstaedt">©Ò´£¨Ñ:

      <p>­Y¬° IDE µwºÐ¡A¥ô¦óªºÃa­y³q±`³£¬O³Â·Ðªº¹w¥ü¡C¥Ø«e©Ò¦³¸û·sªº IDE µw
      ºÐ¡A¤º³¡³£¦³¦Û°Ê remapping Ãa­yªº¯à¤O¡C¥Ø«e©Ò¦³ IDE µwºÐ»s³y°Ó¡A³£´£¨Ñ
      ¤F§ó¤[ªº«OÃÒ¡A¦Ó¥B·|À°±z§ó´«¥X²{Ãa­yªºµwºÐ¡C
 
      <p>¦pªG±z¤´·Q­n­×´_²£¥ÍÃa­yªº IDE µwºÐ¡A±z¤´¥i¥H¸ÕµÛ¥h¤U¸ü IDE µwºÐ»s³y
      °Ó©Ò´£¨ÑªºÀË´úµ{¦¡¡A¨Ã¥Î¥¦¨ÓÀˬd±zªºµwºÐ¡C¦³®É³o¨Ç³nÅé¥i¥H±j­¢µwºÐ¹q¸ô
      ­«·sÀˬdµwºÐªºÃa­y¡A¨Ã±N¥¦­Ì¼Ð¥Ü¥X¨Ó.

      <p>¹ï ESDI¡ARLL ¤Î MFM ªºµwºÐ¨Ó»¡¡A³q±`Ãa­y¬O¥¿±`²{¶H¡A¤]¤£¬O¤°»ò³Â·Ðªº
      «e¥ü¡C¦b PC ¤W¡AºÏºÐ±±¨î¥d©M BIOS ­t³d¼Ð¥ÜÃa­yªº¥ô°È¡C³o¹ï¤@¨Ç¨Ï¥Î BIOS
      ¨Ó¦s¨úºÏºÐªº§@·~Àô¹Ò(¦p DOS)¬O¨S¦³°ÝÃDªº¡CµM¦Ó¡AFreeBSD ªººÏºÐÅX°Êµ{¦¡
      ¨Ã¤£¸g¹L BIOS ¨Ó¦s¨úºÏºÐ¡A©Ò¥H¡A¦³­Ó bad144 ªº¾÷¨î¥Î¨Ó¨ú¥N³o¶µ¥\¯à¡C
      bad144 ¥u¯à¥Î¦b wd ³o­ÓºÏºÐÅX°Êµ{¦¡¤W¡A¥¦µLªk¥Î¦b SCSI µwºÐ¤W¡Cbad144
      ªº¤u§@¤èªk¬O±N©Ò¦³§ä¨ìªºÃa­y¸ê®Æ¦s¨ì¤@­Ó¯S§OªºÀÉ®×ùØ¡C
      
      <p>¨Ï¥Î bad144 ªºÄµ§i - ¦sµÛÃa­y¸ê®Æªº¯S§OÀɮ׬O©ñ¦bµwºÐªº³Ì«á¤@­y
      ¤W¡C¦]¬°³o­ÓÀÉ®×Àx¦sªºÃa­y¸ê®Æ¤¤¡A¦³¥i¯à¦³¨Ç¸ê®Æ¬O«ü¦VµwºÐ³Ì«eºÝ©Òµo¥Í
      ªºÃa­y±¡§Î¡A´N¬O¥i¯àÀx¦s /kernel ³o­ÓÀɪº¦a¤è¡A©Ò¥H¥¦¤@©w­n¯à³Q¶}¾÷µ{¦¡
      ©ÒŪ¨ú¡A¦Ó¶}¾÷µ{¦¡¬O³z¹L BIOS ¨ÓŪ¨ú kernel ÀÉ¡C³oªí¥Ü¤F¨Ï¥Î bad144 ªº
      µwºÐµ´¤£¯à¾Ö¦³¶W¹L 1024 ­Ó cylinder¡A16 ­Ó head ¤Î 63 ­Ó sector¡C
      ³o³y¦¨¤F¨Ï¥Î bad144 ªºµwºÐªº¤j¤p¤£¯à¤j©ó 500 MB¡C
      
      <p>­n¨Ï¥Î bad144 «Ü²³æ¡A¥u­n¦b¶}©l¦w¸Ë®É¡A¦b FreeBSD fdisk µe­±§â
      "Bad Block" ±½ºË³]¬° ON §Y¥i¡C¦b FreeBSD 2.2.7 ¥H«á³£¥i¥H¨Ï¥Î¦¹¤èªk¡C
      ¦ý³o­ÓµwºÐªº cylinder ¤@©w­n¦b 1024 ¥H¤U¡C¨Ï¥Î«e¡A§Ú­Ì«Øij³o­ÓµwºÐ­n
      ¦Ü¤Ö¥ý¨Ï¥Î¥|­Ó¤p®É¡A¥H«K¼ö¿±µÈ»PºÏ­y°¾²¾¹F¤@¯ëª¬ºA¡C
      
      <p>¦pªG³o­ÓµwºÐ¾Ö¦³¶W¹L 1024 ­Ó cylinder (¹³¤j®e¶qªº ESDI µwºÐ)¡A
      ESDI ±±¨î¥d§Q¥Î¤@­Ó¯S§OªºÂà´«¼Ò¦¡¨Ï¥¦¯à¦b DOS ¤U¤u§@¡C
      ¦Ó¦pªG±z¦b fdisk ùتº "set geometry" ¤¤¿é¤J "Âà´«¹L" ªº geometry¡Awd ³o
      ­ÓÅX°Êµ{¦¡¯à¤F¸Ñ³o¨ÇÂà´«¼Ò¦¡¡C±z¤]µ´¹ï¤£¯à¨Ï¥Î dangerously dedicated ¼Ò
      ¦¡¨Ó«Ø¥ß FreeBSD ªº¤À³Î°Ï¡A¦]¬°¥¦·|©¿²¤ geometry ³o­Ó°Ñ¼Æ¡C
      ¦¹¥~¡A´Nºâ fdisk ¨Ï¥Î±z©Ò¿é¤Jªº geometry °Ñ¼Æ¡A¥¦¨ÌµM·|¥hŪ¨ú³oµwºÐªº
      ¯u¥¿¸ê®Æ¡A¦Ó·|¹Á¸Õ¥h«Ø¥ß¤@­Ó¹L¤jªº FreeBSD ¤À³Î°Ï¡C¦pªGºÏºÐªº geometry 
      ¤w¸g³Q "Âà´«" ¹L¤F¡A¨º»ò³o­Ó¤À³Î°Ï "¥²¶·" ¥H¤â°Ê¿é¤J block ¼Æ¥Øªº¤èªk¨Ó
      «Ø¥ß¡C

      <p>¤@­Ó§Ö³tªº¤p§Þ¥©¬O§Q¥Î ESDI ±±¨î¥d¨Ó³]©w¤j®e¶qªº ESDI µwºÐ¡A¥Î DOS ¶}
      ¾÷¤ù¶}¾÷¡A¦A±N¥¦ format ¬° DOS ªº¤À³Î°Ï¡CµM«á­«¶}¾÷¶i¤J FreeBSD ¦w¸Ëµ{§Ç
      ¡A¦b fdisk µe­±¡A§âDOS ¤À³Î°Ïªº blocksize ©M block number §Û¤U¨Ó¡CµM«á­«
      ·s³]©w geometry ¨Ï¨ä¸ò DOS ¨Ï¥Îªº¤@¼Ë¡C§R°£ DOS ¤À³Î°Ï¡AµM«á¨Ï¥Î±z­è­è§Û
      ¤Uªº blocksize ¨Ó«Ø¥ß¤@­Ó cooperative FreeBSD ¤À³Î°Ï¡CµM«á³]©w³o­Ó¤À³Î°Ï
      ¬°¥i¶}¾÷¡A¦A¥´¶}Ãa­y±½ºË¡C¦b¯u¥¿ªº¦w¸Ë¹Lµ{¤¤¡Abad144 ·|¦b¥ô¦óÀɮרt²Î³Q
      «Ø¥ß«e¥ý³Q°õ¦æ¡C(±z¥i¥H«ö Alt-F2 ¨ÓºÊ¬Ý³o¤@¤Á)¦pªG¦b«Ø¥ßÃa­y¸ê®ÆÀɮɵo¥Í
      ¤F°ÝÃD¡A±z·|»Ý­n³]©w¤@­Ó¸û¤jªººÏºÐ geometry - ³oªí¥Ü±z»Ý­n­«¶}¾÷¡AµM«á¥þ
      ³¡¦A­«·s¶}©l (¥]¬A­«·s¤À³Î¥H¤Î¦b DOS ¤U­«·s format)¡C

      <p>¦pªG remapping ªº¥\¯à¤w¸g±Ò°Ê¤F¡A¦Ó±z¨ÌµM¤@ª½¬Ý¨ìÃa­y²£¥Í¡A¨º»ò¦Ò¼{
      ´«¤@¥xµwºÐ§a¡CÃa­yªº±¡§Î¥u·|ÀH®É¶¡¼W¥[¦Ó§ó¬°ÄY­«¡C

    <sect1>
      <heading>FreeBSD §ì¤£¨ì§Úªº Bustek 742a EISA SCSI ¥d!</heading>

      <p>¤U­±ªº¸ê°T¬Oµ¹ 742a ³o±i¥d¥Îªº¡A¦ý¬O¨ä¥L Buslogic ªº¥d©Î³\¤]¥i¥H
      ¾A¥Î¡C (Bustek ´N¬O Buslogic)

      <p>742a ³o±i¥d¦³¨â­Ó¥D­nªº¡uª©¥»¡v¡C¤@­Ó¬Oª©¥» A-G¡A¥t¤@­Ó¬Oª©¥» H
      ¤Î¨ä¥H«á¡Cª©¥»¸ê°T¥i¥H±q¤¶­±¥dÃä½tªº¬y¤ô¸¹³Ì«á­±±oª¾¡C742a ³o±i
      ¥d¦³¨â­Ó°ßŪ´¹¤ù¦b¥¦¤W­±¡A¤@­Ó¬O BIOS ´¹¤ù¡A¦Ó¥t¤@­Ó¬O¶´Åé´¹¤ù¡C
      FreeBSD ¨Ã¤£¦b¥G±z¥d¤Wªº BIOS ª©¥»¡A¦ý¬O¶´Å骺ª©¥»´N«Ü­«­n¤F¡C¦pªG
      §A¥´¹q¸Üµ¹¥L­Ì§Þ³N¤ä´©±M½uªº¸Ü¡A¥L­Ì·|±Hµ¹±z³Ì·sªºª©¥»¨Ñ±z¤É¯Å¡C
      BIOS ©M¶´Åé´¹¤ù¬O¤@°_°e¨Óªº¡C ±z»Ý­n±N¥d¤W BIOS ©M¶´Å骩¥»¡A¨Ì±z¥d
      ª©¥»ªº¤£¦P¡A¤É¯Å¨ì³Ì·sªº¤@ª©¡C

      <p>ª©¥» A-G ªº¥d³Ì°ª¥u¯à±N BIOS/¶´Åé ¤É¯Å¨ì 2.41/2.21 ª©¡A¦Óª©¥» H 
      «á¡A¥Ø«e BIOS/¶´Å骺³Ì·sª©¥»¬O 4.70/3.37¡C³o¨â­Ó¶´Å骩¥»¶¡ªº®t²§¦b
      ©ó¡A3.37 ³oª©¤ä´© ``round robin''
      
      <p>Buslogic ªº¥d¤W­±¤]³£¦³§Ç¸¹¡C¦pªG±z¥dªºª©¥»¸û¡A±z¥i¥H¸ÕµÛ¥´¹q
      ¸Üµ¹ Buslogic ªºRMA ³¡ªù¡AµM«áµ¹¥L­Ì±zªº§Ç¸¹¡A¬Ý¯à¤£¯à¸ò¥L­Ì¥æ´«¤@
      ±i¸û·sª©¥»ªº¥d¡C¦pªG¨º±i¥d°÷ªº¸Ü¡A¥L­Ì·|´«µ¹§A¡C

      <p>FreeBSD 2.1 ¥u¤ä´©¶´Åé 2.21 ª©¥H«áªºª©¥»¡C¦pªG±z¶´Å骩¥»¤ñ³o­ÓÁÙ
      ªº¸Ü¡A¨º»ò±zªº¥d´N¤£¯à³Q¿ëÃÑ¥X¬O Buslogic ªº¥d¡C¥¦¦³¥i¯à·|³Q¿ëÃѦ¨
      Adaptec 1540¡C¸û¦­ªº Buslogic ¥d¤Wªº¶´Å馳¤@­Ó AHA1540``¼ÒÀÀ''¼Ò¦¡¡A
      ³o¹ï¤@±i EISA ¥d¨Ó»¡¨Ã¤£¬O¥ó¦n¨Æ¡C
 
      <p>¦pªG±z¦³¤@±i¸ûª©¥»ªº¥d¡A¦Ó±z¨ú±o 2.21 ª©¶´Å骺¸Ü¡A±z»Ý­nÀˬd¤@¤U
      jumper W1 ªº¦ì¸m¡A±N¥¦½Õ¦Ü B-C¡A­ì©l³]©w¬O A-B¡C

      <p>742a EISA ¥d¨S¦³¦b <ref id="bigram" name="¦b¾Ö¦³ &gt;16 MB °O¾ÐÅ骺¾÷¾¹¤W"> 
      ³o¬q¤¤©Ò´£¹Lªº ``&gt;16MB'' °ÝÃD¡C³o­Ó°ÝÃD¥u·|µo¥Í¦b Vesa-Local ¶×¬y±Æªº
      Buslogic SCSI ¥d¤W¡C

    <sect1>
      <heading>
        FreeBSD §ì¤£¨ì§Úªº HP Netserver ªº SCSI ±±¨î¥d¡I
      </heading>

      <p>°ò¥»¤W³o­Ó¬O¤@­Ó¤wª¾ªº°ÝÃD¡C¦b HP Netserver ¾÷¾¹¤Wªº on-board
      EISA ¤¶­± SCSI ±±¨î¥d¥e¾Ú¤F©w§}¬°²Ä 11 ªº EISA ¼Ñ¡A¦]¦¹©Ò¦³ªº ``¯u¹ê''
      EISA ¼Ñ³£¦b¥¦¤§«e¡C¥i¬O¡A¦b EISA ©w§}ªÅ¶¡ >= 10 ®É¡A·|»P«ü©wµ¹ PCI
      ¥Îªº©w§}ªÅ¶¡¬Û½Ä¬ð¡A¥B FreeBSD ªº auto-configuration µLªk¥¿½Tªº³B²z
      ³o­Ó±¡§Î¡C

      <p>¦]¦¹¡A²{¦b§A¯à°µªº³Ì¦n¨Æ±¡´N¬O¦b kernel ùس]©w <tt/EISA_SLOTS/ 
      ³o­Ó¿ï¶µ¬° 12 ¡AµM«á·í§@¨S¦³³o­Ó°ÝÃD :)¡C
      ½Ð¨Ì·Ó <url url="../handbook/kernelconfig.html"
      name="Handbook ¤¤¦³Ãö kernel ªº³]©w"> ùØ©Ò»¡ªº¤èªk¨Ó
      ³]©w»P½sĶ±zªº kernel

      <p>·íµM¡A¦b¦w¸Ë¨ì³oºØ¾÷¾¹¤W®É¡A³o¬O¤@­ÓÂû¥Í³J³J¥ÍÂûªº°ÝÃD¡C
      ¬°¤F¸Ñ¨M³o­Ó°ÝÃD¡A¦b <em>UserConfig</em> ¤¤¦³¤@­Ó¯S§Oªº¤èªk¡A
      ¦w¸Ë®É¤£­n¶i¤J ``visual'' ¤¶­±¡A¬Û¤Ïªº¡A¦b©R¥O¦C¼Ò¦¡¤¤¡AÁä¤J

      <verb>
        eisa 12
        quit
      </verb>

      <p>µM«á´N¦p¥H©¹¤@¼Ë¦w¸Ë±zªº¨t²Î¡CÁöµM§Ú­Ì«Øij±z½sĶ»P¦w¸Ë¤@­Ó
      ÄÝ©ó¦Û¤vªº kernel¡A¦ý
          
      <htmlurl url="http://www.freebsd.org/cgi/man.cgi?dset" name="dset">
      ²{¦b¤]¤w¸g¤F¸Ñ³o­Ó°Ñ¼Æ¡A¥B·|Àx¦s¥¦¡C

      <p>§Æ±æ¡A¦b¥¼¨Óªºª©¥»¤¤¯à¹ï³o­Ó°ÝÃD¦³¤@­Ó¦nªº¸Ñ¨M¤èªk¡C

      <p><tt/ª`·N:/ ±zµLªk¦b HP Netserver ¤W¨Ï¥Î <bf/dangerously dedicated/ 
      ºÏºÐ¼Ò¦¡¡C±z¥i¥H°Ñ¦Ò <ref id="dedicate" name="³o¥÷µù¸Ñ">¥HÀò±o§ó¦h
      ¸ê°T¡C

    <sect1>
      <heading>CMD640 IDE ±±¨î´¹¤ù¥X¤F¤°»ò°ÝÃD?</heading>

      <p>¥¦ªº°ÝÃD¦b©óµLªk¦P®É³B²z¨â­Ó channel ªº«ü¥O¡C

      <p>²{¦b¤w¸g¦³­Ó¸Ñ¨M¤èªk¤F¡A¥B·|¦Û°Ê¦b±z¨Ï¥Î³o¶ô´¹¤ù®É±Ò°Ê¡C
      ¦pªG»Ý­n§ó¸ÔºÉªº¸ÑÄÀ¡A½Ð¬d¾\¦³ÃöºÏºÐÅX°Êµ{¦¡ªº»¡©ú(man 4 wd)

      <p>¦pªG±z¥Ø«e¬O¨Ï¥Î CMD640 IDE ±±¨î´¹¤ù¡A¥[¤W FreeBSD 2.2.1 ©Î
      2.2.2¡A¦Ó¥B±z¤S·Q­n¨Ï¥Î¨ì²Ä¤G­Ó channel ®É¡A½Ð¦b±zªº kernel ³]
      ©w¤¤¥[¤J <tt/options "CMD640"/ µM«á­«·s½sĶ¤@­Ó·sªº kernel¡C
      ³o­Ó option ¦b 2.2.5 ª©¥H«á¬O¤º©w±Ò°Êªº¡C

    <sect1>
      <heading>§Ú¤@ª½¬Ý¨ìÃþ¦ü ``<tt/ed1: timeout/'' ªº°T®§</heading>

      <p>³o­Ó³q±`¬O¥Ñ©ó¤¤Â_½Ä¬ð(interrupt conflict)©Ò³y¦¨ªº (¨Ò¦p¡A¨â¶ô¥d
      ¨Ï¥Î¨ì¤F¬Û¦Pªº IRQ)¡C FreeBSD ¦b 2.0.5 ª©¥H«e³£®e³\³o­Ó±¡§Î¡A
      ´Nºâ¦³ IRQ ½Ä¬ð±¡§Î¡Aºô¸ô¥d¤]À³¸Ó¤´¥i¥¿±`¹B§@¡C 
      µM¦Ó¡A¦b 2.0.5 ª©¤Î¨ä¥H«á¡A¤w¤£¦A®e³\¦³ IRQ ½Ä¬ðªº±¡§Î¤F¡C
      ½Ð©ó¶}¾÷®É¨Ï¥Î -c ³o­Ó¿ï¶µ¡AµM«á§ó§ï ed0/de0/..¡Cµ¥ªº³]©w¡A¨Ï¨ä
      ©M±zºô¸ô¥d¥»¨­ªº³]©w¤@­P¡C

      <p>¦pªG±z¬O¨Ï¥Î±zºô¸ô¥d¤Wªº BNC ±µÀY¡A±z©Î³\¤]·|¦]¤£¨}ªº²×ºÝ¹qªý³]©w¡A
      ¦Óµo¥Í¸Ë¸m (device) timeout ªº±¡§Î¡C­nÀˬd¬O§_¦³³oºØ±¡§Î¡A±z¥i¥H¦b
      ºô¸ô¥d¤Wª½±µ±µ¤W²×ºÝ¹qªý (¤£­n±µºô¸ô½u)¡AµM«á¬Ý¬Ý³o­Ó¿ù»~°T®§¬O¤£¬O
      ´N®ø¥¢¤F¡C

      <p>¦³¨Ç NE2000 ªº¬Û®e¥d¡A¦pªG¥¦ªº UTP °ð¨S¦³±µºô¸ô½u¡A©Î¬O¸Óºô¸ô½u¨Ã
      ¨S³Q¨Ï¥Îªº¸Ü¡A¤]·|¥X²{³o­Ó¿ù»~°T®§¡C

    <sect1>
      <heading>¦b§Ú·Q­n±¾¤W CDROM ®É¡A¥X²{``Incorrect super block''ªº°T®§</heading>

      <p>±z¥²¶·§i¶D
      <htmlurl url="http://www.freebsd.org/cgi/man.cgi?mount" name="mount">
      ±z·Q±¾¤Wªº device ªºÀɮ׮榡¡C¦b­ì©l³]©wùØ¡A
      <htmlurl url="http://www.freebsd.org/cgi/man.cgi?mount" name="mount">
      ·|°²³]±zªºÀɮ׮榡¬° ``<tt/ufs/''¡C¦pªG±z·Q­n±¾¤W CD-ROM ùتºÀɮסA
      ±z»Ý­n¦b <htmlurl url="http://www.freebsd.org/cgi/man.cgi?mount"
      name="mount">¡C 
      ®É«ü©w ``<tt/-t cd9660/'' ³o­Ó¿ï¶µ¡C·íµM¡A³o¬O°²³]¥úºÐ¤ù¬O¨Ï¥Î 
      ISO 9660 ªºÀɮרt²Î (µ´¤j¦h¼Æ¥úºÐ¤ù¬Ò¬O¥Î³o®MÀɮרt²Î)
      ¥B¦b 1.1 ª©¥H«á¡AFreeBSD ¤w¸g¯à¬Ý±oÀ´ Rock Ridge (ªøÀɦW) ³o­Ó©µ¦ù®æ¦¡¡C

      <p>Á|¨Ò¨Ó»¡¡A¦pªG±z·Q±N ``<tt>/dev/cd0c</tt>'' ³o­Ó CDROM ¸Ë¸m (device)
      ±¾¦b <tt>/mnt</tt> ¤U¡A±z»Ý­n°õ¦æ: 

      <verb>
        mount -t cd9660 /dev/cd0c /mnt
      </verb>

      <p>­nª`·Nªº¬O¡A±zªº¸Ë¸m¦WºÙ¥i¯à·|¤£¤@¼Ë (¦b¦¹½d¨Ò¤¤¬O 
      ``<tt>/dev/cd0c</tt>''¡A¥¦¬O®Ú¾Ú±zªº CDROM ¤¶­±¦Ó©wªº¡C
      ¥t¥~­nª`·Nªº¡A``<tt/-t cd9660/'' ³o­Ó¿ï¶µ¥u¬O©I¥s
      ``<tt/mount&lowbar;cd9660/'' ³o­Ó«ü¥O¡A©Ò¥H¤W­±³o­Ó½d¨Ò
      ¤]¥i¥HÁYµu¬°:

      <verb>
        mount_cd9660 /dev/cd0c /mnt
      </verb>

    <sect1>
      <heading>·í§Ú·Q±¾¤W CDROM ®É¡A¥X²{¤F ``Device not configured'' ªº¿ù»~°T®§
      </heading>

      <p>³o³q±`¬Oªí¥Ü±zªº CD-ROM ùØ­±¨S¦³¥úºÐ¤ù¡A©ÎªÌ¬O³o¥x¾÷¾¹µLªk³Q
      ¶×¬y±Æ (bus) §ì¨ì¡C©ñ¤ù¥úºÐ¤ù¦b¥úºÐ¾÷ùØ¡A¦pªG¥¦¬O IDE (ATAPI) ªº
      ¥úºÐ¾÷ªº¸Ü¡AÀˬd¤@¤U¥¦ªº master/slave ª¬ºA¡C¥úºÐ¾÷³q±`»Ý­n´X¬íÄÁ
      ªº®É¶¡¤~¯à³Æ§´ (ready)¡A©Ò¥H½Ð­@¤ßµ¥­Ô¡C

      <p>¦³®É³o¬Oµo¥Í¦b SCSI CD-ROM ¤W¡A¦]¬°¥¦¦b¶×¬y±Æ­«¸m (bus reset)
      ®É¨Ó¤£¤Î¦^À³¡A©Ò¥H®ø¥¢¤F¡C¦pªG±z¾Ö¦³ªº¬O SCSI CD-ROM¡A½Ð¹Á¸Õ¦b 
      kernel ³]©wÀɤ¤¥[¤J¥H¤Uªº³]©w¡AµM«á­«·s½sĶ¡C

      <verb>
        options "SCSI_DELAY=15"
      </verb>

    <sect1>
      <heading>§Úªº¦Lªí³t«×¯}¤Ñ¯îªººC¡C§Ú¸Ó«ç»ò°µ¡H</heading>


      <p>¦pªG¬O¥­¦æ°ð¡A¥B°ß¤@ªº°ÝÃD´N¬O³t«×«ÜºCªº¸Ü¡A¸ÕµÛ³]©w±zªº
         ¦Lªí¾÷°ð¬° ``polled'' ¼Ò¦¡:

      <verb>
        lptcontrol -p
      </verb>

      <p>¦³¨Ç·sªº HP ¦Lªí¾÷¦ü¥GµLªk¦b interrupt ¼Ò¦¡¤¤¥¿±`¤u§@¡A
         «Ü©úÅ㪺¬O¦]¬°¤@¨Ç®É¯ß°ÝÃD (¦ýÁÙ¤£¬O«ÜÁA¸Ñ¬°¤°»ò·|¦p¦¹)

    <sect1>
      <heading>§Úªºµ{¦¡¦³®É·|¦] ``Signal 11'' ³o­Ó¿ù»~¦Ó°±¤î</heading>

      <p>³o­Ó³q±`¬O¦]¬°¦³°ÝÃDªºµwÅé (°O¾ÐÅé¡A¥D¾÷ªOµ¥µ¥) ©Ò³y¦¨ªº.
      ¸Õ¸Õ¦b±zªº PC ¤W¶]­Ó°O¾ÐÅé´ú¸Õµ{¦¡¬Ý¬Ý¡Cª`·N¡A´Nºâ±z¸Õ¹Lªº¨C¤@ºØ°O
      ¾ÐÅé´ú¸Õµ{¦¡³£¦^³ø»¡±zªº°O¾ÐÅé¨S¦³°ÝÃD¡A¦ý¬O¡A¦³¤@¨Ç§C«~½èªº°O¾ÐÅé¡A
      ÁöµM¯à³q¹L°O¾ÐÅé´ú¸Õ¡A¤£¹L¦b¯u¥¿¤u§@®É«o·|¥X°ÝÃD (¨Ò¦p±q
      Adaptec 1542 µ¥µ¥ SCSI ±±¨î¥d°µ bus mastering DMA¡B¦b½s¿è kernel ®É¡B
      ©Î¬O¨t²Îªº­t¸ü«Ü°ª®É)

      <p>SIG11 FAQ (¦ì§}¦b¤U­±) «ü¥X°O¾ÐÅ骺³t«×¤£°÷§Ö³q±`¬O³o­Ó°ÝÃDªº­ì¦]¡C
      ¸ÕµÛ¦b±zªº BIOS ³]©w¤¤¼W¥[°O¾ÐÅé wait ª¬ºAªº®É¶¡¡A©Î¬O§ó´«§ó§Öªº°O¾Ð
      Åé¡C

      <p>¥H§Ú¦Ó¨¥¡A§Ú´¿¹J¹L¥Ñ¤£¨}ªº§Ö¨ú°O¾ÐÅé©Î¬O¤£¨}ªº on-board §Ö¨ú¥d
      ©Ò³y¦¨ªº³o­Ó°ÝÃD¡C¸ÕµÛ¦b BIOS ³]©w¤¤¨ú®ø on-board (²Ä¤G¶¥) §Ö¨ú¡A
      ¬Ý¬Ý³o¼Ë¯à¤£¯à¸Ñ¨M³o­Ó°ÝÃD

      <p>³o¨à¦³¤@¥÷«Ü¦nªº FAQ:
      <url url="http://www.bitwizard.nl/sig11/" name="SIG11 °ÝÃDªº FAQ">

    <sect1>
      <heading>·í§Ú¶}¾÷®É¡A¿Ã¹õÅܶ¡A¥B¤£°±°{°Ê¡I</heading>

      <p>³o­Ó°ÝÃD¡A¤wª¾¬O¥Ñ ATI Mach 64 Åã¥Ü¥d©Ò¤Þ°_ªº¡C¦]¬°³o¶ô¥d¨Ï¥Î¨ì
      <tt/2e8/ ³o­Ó¦ì§}¡A¦Ó³o»P²Ä¥|­Ó§Ç¦C°ð(serial port)©Ò¨Ï¥Îªº¦ì§}¬Û¦P¡C¦Ó
      <htmlurl url="http://www.freebsd.org/cgi/man.cgi?sio" name="sio.c">
      ³o­ÓÅX°Êµ{¦¡¡A¤£ª¾¹D¬O bug ©Î¬O¥\¯à(feather)¡A´Nºâ±z¨S¦³²Ä¥|­Ó§Ç¦C°ð¡A
      ©Î¬O¤w¸g±N sio3 (²Ä¥|­Ó§Ç¦C°ð¡^¨ú®ø¤F¡A¥¦¨ÌµM·|¥h¹Á¸ÕÅX°Ê¥¦¡C

      <p>ª½¨ì³o­Ó°ÝÃD³Q¸Ñ¨M¥H«e¡A±z¥i¥H¨Ï¥Î³o­Ó¤èªk¡G

      <enum>
        <item>¦b¶}¾÷´£¥Ü¡]¬Ý¨ì<tt/boot:/ ®É¡^¥´¤J <tt/-c/¡C ¡]³o·|Åý kernel 
        ¶i¤J³]©w¼Ò¦¡¡^

        <item>¨ú®ø <tt/sio0/¡A<tt/sio1/¡A<tt/sio2/ and <tt/sio3/ ¡]¥þ³¡¡^
        ³o¥i¥HÅý sio ÅX°Êµ{¦¡¤£°Ê§@ -> ©ó¬O°ÝÃD¸Ñ¨M¡C

        <item>¿é¤J exit ¥HÄ~Äò±Ò°Êµ{§Ç
      </enum>

      <p>¦pªG±z·Q­n¨Ï¥Î±zªº§Ç¦C°ð¡A±z»Ý­n­×§ï
      <tt>/usr/src/sys/i386/isa/sio.c</tt>¡A¦b¸ÓÀɤ¤§ä¥X <tt/0x2e8/ ³o­Ó¦r¦ê
      ²¾°£³o­Ó¦r¦ê¤Î¥¦«e­±ªº³r¸¹¡]«O¯d«á­±ªº¡^¡AµM«á­«·s½sĶ¤@­Ó·sªº kernel
      
      <p>´Nºâ¨Ï¥Î¤F¤W­±³o¨Ç¤èªk¡AX Window ¤´µM¦³¥i¯àµLªk¶¶§Q°õ¦æ¡C¦³¨Ç·sªº
      ATI Mach 64 Åã¥Ü¥d¡]¯S§O¬O ATI Mach Xpression¡^¡AµLªk¦b¥Ø«eª©¥»ªº
      <tt/XFree86/ ¤W¥¿±`¤u§@¡F±Ò°Ê X Window ®É¿Ã¹õÅܶ¡A©Î¬O·|¦³©_©Çªº°ÝÃD
      µo¥Í¡C±z¥i¥H¨ì <url url="http://www.xfree86.org" name="XFree86 ªººô¯¸">
      §ä¨ì new beta release ³o­Ó³sµ²(link)¡A¨Ó¨ú±o X-server ªº beta ª©¡A¥¦ªº
      ¬Û®e±¡§ÎÀ³¸Ó´N¤ñ¸û¦n¤F¡C±z»Ý­n¨ú±o¤U¦C³o¨ÇÀɮסG

      <p><tt>AccelCards¡ABetaReport¡ACards¡ADevices¡AFILES¡AREADME.ati¡A
      README.FreeBSD¡AREADME.Mach64¡ARELNOTES¡AVGADriver.Doc¡A
      X312BMa64.tgz</tt>

      <p>¥H³o¨ÇÀɮרú¥N±z­ì¦³ªºÂÂÀɮסAµM«á¤Á°O¦A¶] <htmlurl
      url="http://www.freebsd.org/cgi/man.cgi?manpath=xfree86&amp;query=xf86config"
      name="xf86config"> ¤@¹M¡C

    <sect1>
      <heading>
        §Ú¦³ 128 MB ªº RAM¡A¦ý¬O¨t²Î¥u¥Î¨ä¤¤ªº 64MB
        <label id="reallybigram">
      </heading>

      <p>¦]¬° FreeBSD ¬O¨Ï¥Î©I¥s BIOS ¨Ó¨ú±o°O¾ÐÅé¤j¤pªº¤èªk¡A¦]¦¹¥¦¥u¯à
      °»´ú¨ì 16 bits ¦ì¤¸ªø«×ªº KByte ¤j¤p (65535 KBytes = 64MB)
      (©ÎªÌ§ó¤Ö..¡C¦³¨Ç BIOS ±N³Ì°ª°O¾ÐÅé¤j¤p­­¬°¥u¦³ 16MB)
      ¦pªG±z¾Ö¦³ 64MB ¥H¤Wªº RAM¡AFreeBSD ·|¹Á¸Õ¥h°»´ú¥X¥¦¡A¦ý¬O¦³¥i¯à
      ·|¥¢±Ñ¡C

      <p>­n¸Ñ¨M³o­Ó°ÝÃD¡A±z»Ý­n¨Ï¥Î¤U­±©Ò´£ªº kernel ³]©w¿ï¶µ¡C
         ÁöµM¦³¤èªk¥i¥H±q BIOS ¤¤¨ú±o°O¾ÐÅ骺§¹¾ã¸ê°T¡A¦ý¬O¥Ø«e§Ú­Ì¦b
         bootblock ¤¤¨Ã¨S¦³¦h¾lªºªÅ¶¡¨Ó°µ³o¥ó¨Æ¡C·í¬Y¤Ñ bootblock ªÅ¶¡
         ¤£¨¬ªº±¡§ÎÀò±o¸Ñ¨M®É¡A§Ú­Ì±N·|¨Ï¥Î BIOS ªº©µ¦ù¥\¯à¨Ó¨ú±o°O¾Ð
         Å骺§¹¾ã¸ê°T...¦ý²{¦b§Ú­Ì±N¥¦©ñ¦b kernel ³]©w¿ï¶µ¤¤¡C

      <tt>
        options "MAXMEM=&lt;n>"
      </tt>

      <p><tt/n/ ¬O«ü±zªº°O¾ÐÅé¤j¤p¡A¥H KB ¬°³æ¦ì¡C¥H¤@¥x¦³ 128MB RAM ªº
      ¾÷¾¹¨Ó»¡¡A±z¥i¨Ï¥Î <tt/131072/ ³o­Ó¼Æ¦r¡C

    <sect1>
      <heading>FreeBSD 2.0 ¦]¬° ``kmem_map too small!'' ¦Óµo¥Í panic¡I</heading>

      <p><tt /ª`·N/ ³o­Ó°T®§¤]¦³¥i¯à¬O ``mb_map too small!''

      <p>³o­Ó panic ¬Oªí¥Ü¨t²Î¥Î¥ú¤Fµ¹ºô¸ô½w½Ä°Ïªº©Ò¦³ªºµêÀÀ°O¾ÐÅé (¯S
      §O¬O mbuf clusters)¡C±z¥i¥H¼W¥[µ¹ mbuf clusters ªº VM ªº¼Æ¶q¡A
      ¥u­n¥[¤J:

      <p><tt>options "NMBCLUSTERS=&lt;n>"</tt>

      <p>¦b±zªº kernel ³]©wÀɤ¤¡A&lt;n&gt; ¬O¤@­Ó¦b 512-4096 ¶¡ªº¼Æ¦r¡A
      ¨Ì±z·Q´£¨Ñ¦h¤Ö¦P®Éªº TCP ³s±µ¼Æ¥Ø¦h¹è¦Ó©w¡C§Ú·|«Øij¸Õ¸Õ 2048 -
      ³o¼Æ¦rÀ³¸Ó¥i¥H§¹¥þÁקK³o­Ó panic ¤F¡C±z¥i¥H°õ¦æ: 
      <htmlurl url="http://www.freebsd.org/cgi/man.cgi?netstat"
      name="netstat -m"> ¨ÓºÊ¬Ý¦³¦h¤Ö mbuf clusters
      ¦b¨t²Î¤W¥¿³Q °t¸m/¨Ï¥Î¡CNMBCLUSTERS ªº¼Æ­È¤º©w¬°
      <tt/512 + MAXUSERS * 16/¡C

    <sect1>
      <heading>¥Î·s kernel ¶}¾÷®É¡A¥X²{ ``CMAP busy panic'' ³o­Ó¿ù»~°T®§</heading>

      <p>¥Î¨Ó°»´ú¹L´Á <tt>/var/db/kvm_*.db</tt> Àɮתº¾÷¨î°¸º¸·|"¥XÂñ"
         ¦Ó¨Ï¥Î¤@­Ó§t¤£¥¿½T¸ê®ÆªºÀɮצ³®É´N·|¾É­P panic¡C

      <p>¦pªGµo¥Í¤F³o­Ó°ÝÃD¡A½Ð­«·s¶}¾÷¡A¶i¤J³æ¨Ï¥ÎªÌ¼Ò¦¡¡AµM«á°õ¦æ:

      <verb>
        rm /var/db/kvm_*.db
      </verb>

    <sect1>
      <heading>ahc0: brkadrint¡A Illegal Host Access at seqaddr 0x0</heading>

      <p>³o¬O¤@­Ó©M Ultrastor SCSI ±±¨î¥d¦³Ãöªº½Ä¬ð 

      <p>¦b¶}¾÷®É¡A¶i¤J kernel ³]©w¿ï³æ
      ¨ú®ø <htmlurl url="http://www.freebsd.org/cgi/man.cgi?uha(4)"
      name="uha0">¡A¥¦¬O³y¦¨³o­Ó°ÝÃDªº­ì¦]

    <sect1>
      <heading>Sendmail ¤@ª½©ê«è ``mail loops back to myself''</heading>

      <p>³o­Ó°ÝÃD¦b sendmail ªº FAQ ¤¤¬O³o¼Ë¦^µªªº:-
      <verb>
        * §Ú¤@ª½¦¬¨ì¦³Ãö "Local configuration error" ªº«H¥ó¡A¨Ò¦p:

        553 relay.domain.net config error: mail loops back to myself
        554 <user@domain.net>... Local configuration error

        §Ú­n¦p¦ó¸Ñ¨M³o­Ó°ÝÃD?

        ±z§Q¥Î MX ³]©w¡AÅý­n±H¨ì¬Y domain (¦p: domain.net) ªº«H¥ó¡A
        ±H¨ì±z©Ò«ü©wªº¾÷¾¹ (¦b³o­Ó¨Ò¤l¤¤¬° relay.domain.net)¡A¦ý¬O³o
        ³¡¾÷¾¹¨Ã¥¼³Q³]©w±µ¨ü domain.net ªº«H¥ó¡C§â domain.net ¥[¨ì
        /etc/sendmail.cw ¤¤ (¦pªG±z¦³¨Ï¥Î FEATURE(use_cw_file)) ©Î¬O
        ¦b sendmail.cf ¤¤¥[¤J "Cw domain.net"
      </verb>

      <p><url
      url="ftp://rtfm.mit.edu/pub/usenet/news.answers/mail/sendmail-faq"
      name="sendmail FAQ"> ²{¦b¤w¤£¦AÀHµÛ sendmail "¥X³f"¡C
      ¥¦¥Ø«e¬O³Q©w´Áªºµoªí¦b:
      <url url="news:comp.mail.sendmail" name="comp.mail.sendmail">¡A
      <url url="news:comp.mail.misc" name="comp.mail.misc">¡A
      <url url="news:comp.mail.smail" name="comp.mail.smail">¡A
      <url url="news:comp.answers" name="comp.answers">¡A©M
      <url url="news:news.answers" name="news.answers">¡C
      ±z¤]¥i¥H±H¤@«Ê Email ¨ì
      <url url="mailto:mail-server@rtfm.mit.edu"
      name="mail-server@rtfm.mit.edu">¡AµM«á¦b«H¥ó¤º¤å¤¤¼g¤W
      "send usenet/news.answers/mail/sendmail-faq" ³o­Ó«ü¥O
      ¥H¨ú±o³o¥÷¤å¥ó¡C

    <sect1>
      <heading>¦b»·ºÝ¾÷¾¹(remote machine)°õ¦æ¥þ¿Ã¹õªº³nÅé®É¡A¦³¤£¥¿±`ªº±¡§Î¡I
      </heading>
      <p>©Î³\»·ºÝ¾÷¾¹¨Ã«D±N±zªº²×ºÝ¾÷§ÎºA³]¬° FreeBSD console ©Ò¥Î
         ªº <tt>cons25</tt>¡A¦Ó¬O³]¬°¨ä¥¦ºØÃþ¡C
      <p>³o¨à¦³´X­Ó¸Ñ¨M³o­Ó°ÝÃDªº¤èªk:
	<itemize>
	<item>¦b logging ¶i»·ºÝ¾÷¾¹«á¡A§ó§ï±zªº shell ÅÜ¼Æ TERM ¬°
	   <tt>ansi</tt> ©Î¬O <tt>sco</tt>¡C
	<item>¦b local ºÝ¥Î¤@¨Ç¥i¥H¼ÒÀÀ VT100 ªº¼ÒÀÀ¾¹¡A¦p <htmlurl 
	 url="http://www.freebsd.org/cgi/ports.cgi?screen-" name="screen">¡C 
	  <tt>screen</tt> ´£¨Ñ±z¦b¤@­Ó terminal ùئP®É¶]¦n´X­Ó session 
         ªº¯à¤O¡A¦Ó¥B¥¦¥»¨­¤]¬O¤@­Ó¬Û·í¦nªº³nÅé¡C
	<item>¦b»·ºÝ¾÷¾¹ªº²×ºÝ¾÷¸ê®Æ®w(terminal database)¤¤¥[¤J
          <tt>cons25</tt> ªº¸ê®Æ¡C
	<item>±Ò°Ê X µM«á§Q¥Î <tt>xterm</tt> ¨Ó login ¶i»·ºÝªº¾÷¾¹¡C
	</itemize>

     <sect1>
       <heading>§Úªº¾÷¾¹¤@ª½Åã¥Ü "calcru: negative time..."</heading>
       <p>¸ò¤¤Â_ ¡]interrupt¡^ ¦³Ãöªº¤£¦PµwÅé »P/©Î ³nÅ骺·f°t³£¦³¥i¯à³y¦¨
          ³o­Ó°ÝÃD¡C³o¦³¥i¯à¬O bug ©Î¬O¬Y­Ó¸Ë¸m¥»¨­ªº°ÝÃD¡C¦b¥­¦æ°ð¤W¨Ï¥Î
          ¤jªº MTU ¨Ó§@ TCP/IP ¶Ç¿é¥i¥H­«²{³o­Ó°ÝÃD¡C­Y¬O¹Ï§Î¥[³t¥d³y¦¨³o­Ó
          °ÝÃDªº¸Ü¡A±zÀ³¸Ó¥ýÀˬd¥dªº¤¤Â_³]©w¡C

       <p>³o­Ó°ÝÃDªºÃä»Ú®ÄÀ³¬O·|³y¦¨¦³¨Ç process ¥X²{
          "SIGXCPU exceeded cpu time limit" ªº°T®§¡A¦Ó¤£¥¿±`¤¤Â_

       <p>­Yª©¥»¬O 1998 ¦~ 11 ¤ë 29 ¤é¥H«áªº FreeBSD 3.0¡A¦pªG³o­Ó
          °ÝÃD¤@ª½µLªk¥H¨ä¥L¤èªk¸Ñ¨M¡A´N¥u¯à³]©w sysctl ÅܼơG
<verb>
               sysctl -w kern.timecounter.method=1
</verb>
       <p> ³o¼Ë·|¹ï®Ä¯à¦³¨Ç¼vÅT¡A¦ý¬O­Y¦Ò¼{¨ì³o­Ó°ÝÃD±a¨Óªº«áªG¡A³o¼Ë°µ¬O­È
           ±oªº¡C¦pªG³o­Ó°ÝÃDÁÙ¬O¦s¦bªº¸Ü¡A±N sysctl ¨º­Ó­È¨ÌµM³]¬° 1¡AµM«á
           ¼W¥[ kernel ³]©wÀɤ¤ "NTIMECOUNTER" ³o­Ó¿ï¶µªº¼Æ­È¡C¦pªG±z±N 
           "NTIMECOUNTER" ¼W¥[¨ì 20 ¨ÌµMµLªk¸Ñ¨M³o­Ó°ÝÃD¡A¨º»ò±z¾÷¾¹¤Wªº¤¤Â_
           ¤w¸g¦h¨ìµLªk«O«ùí©wªºª¬ºA¤F¡C
  </sect>