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2007-9-24
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Linux ÊÇÒ»¸ö¸ßЧµÄ¹¤×÷»·¾³, ¶ÔÓÚÏëҪѧϰLinuxµÄÈË, ÕâÒ»µãÎÞÐèÎÒ¶à½âÊÍ. Òò´Ë, ±¾ÎIJ»ÊÇȰ´ó¼Ò¶¼Í¶ÉíLinux (ËäÈ»ÎÒÒ»Ö±ÔÚÕâô×ö), ¶øÊǸøÓÐÖ¾ÓÚѧºÃ Linux µÄÈ˼¸µãС½¨Òé. ËãÊÇÊÚÈËÒ»µã×Ô¼ºÎòµ½µÄµÍ¼¶µöÓãÊõ, ÈÃËûÃǵÄLinux ÂÃ;һ·«·ç˳.
1. Á¢Ö¾ÒªÑ§, ¾ÍÒª¼á³Ö
ÎÒÕâô¶àÄê, ¼ûµ½ÁËÎÞÊýÁ¢Ö¾ÒªÑ§Ò»Ñù¶«Î÷½á¹û×îºó°ë;¶ø·ÏµÄÈË. ÎÒ×Ô¼ºÒ²²»ÀýÍâ, ÎÒÔø¾­Ñ§ÁËÒ»¶Îʱ¼ä¼ªËû, ·ÏÁË; º«¹úÓï, ·ÏÁË. ÐÒÔ˵ÄÊÇÓм¸ÑùûÓзÏ, ±ÈÈçJava, Linux ºÍ Python. ÏÖÔÚÊÇ֪ʶ±¬Õ¨µÄʱ´ú, ÏëѧÈκÎÒ»ÃÅÓïÑÔ, Ò»Ñù¼¼ÄÜ, Ò»¸öϵͳ, ¿ªÊ¼¶¼²»ÄÑ, ½Ì²ÄÒ²ºÜ¶à. ½ø¶ÈÂý²»Òª½ô, ÄѵÄÊǼá³Ö. æåÂíÊ®¼Ý, ¹¦ÔÚ²»Éá .Èç¹ûûÓÐ×ã¹»µÄÀíÓÉÈÃ×Ô¼ºÔÚÏÂÃæµÄ¼¸¸öÔÂÖÐÈÏÈÏÕæÕæµÄѧϰ, ÄǾÍ×îºÃÏȱðѧ. ÎÒѧ¼ÆËã»úÓïÑÔÒ²×ß¹ýÍä·, ѧÁ˺ܶàÆäʵ²»ÐèҪѧϰµÄ¶«Î÷, ¶øÕæÕýҪѧµÄȴûÓмá³Öµ½×îºó. »ØÍ·¿´¿´, ½Ìѵ¾ÍÊÇ: ¼ÈÈ»Á¢Ö¾ÒªÑ§, ¾Í¼á³Ö. Èç¹û²»Äܼá³Ö, ˵Ã÷Õâ¸öÊÂÇéÔÝʱ²»ÖØÒª, ÏȶªµôûÓйØÏµ.
2. ×¢Ò⶯ÊÖ, ×¢Òâ»ýÀÛ
ÍùÍùÔ¸Òâѧϰ Linux ºÍ±à³ÌÓïÑÔµÄÈ˶¼ÊÇϲ»¶¶¯ÊÖµÄÈË. ÎÒÔÚ¹úÍâÒ»Äê¶à, Éî¸ÐÃÀ¹ú±¾¿Æ½ÌÓý¶Ô¶¯ÊÖÄÜÁ¦µÄÅàÑø. ¾ÝÎÒÁ˽âµÄ, ÃÀ¹ú±¾¿ÆÉúµÄ¼ÒÍ¥×÷Òµ´ÓÀ´¾Í²»ÊDZ³¸ÅÄî, ¶øÊDzé×ÊÁÏд±¨¸æ»òÕß×öÏîÄ¿. ÎÒ¾õµÃ Linux ×÷ΪһÖÖʵ¼ù¹¤¾ß, ѧϰµÄ·½·¨Ö»ÓÐÒ»¸ö: ¶¯ÊÖ. ÎÒÈÏʶµÄÒ»¸öÅóÓÑ, º°ÁËÈýÄêѧ Java, ½á¹û×îºóÒ»¸ö³ÌÐòûÓÐÇùý, Ö»Êǰѽ̵̳±Ð¡Ëµ¿´. ÆäʵÈç¹ûÄܳÁÏÂÐÄ, °ÑÊéÉÏÿ¸ö³ÌÐò¶¼ÕÕ×Å´òÒ»±é, Èý¸öÔÂ, ×ã¹»ÈÃÒ»¸öÃÅÍ⺺±ä³É¸ßÊÖ. ѧϰ Linux Ò²Ò»Ñù, ¿´½Ì³Ì, ¿´Ò»ÄêҲδ±ØÓÐʲôÊÕ»ñ, ×Ô¼º¶¯ÊÖ×öʵÑé, Ò»»á¶ù¾ÍÓ¡ÏóÉî¿ÌÁË. ѧLinux ºÍѧһÃÅ×ÔÈ»ÓïÑÔÒ»Ñù, ·ÇÒª¶àÁ·Ï°, ¶à»ýÀÛ.
3. ´ò»ù´¡, ²»Òªµ¢ÓÚС¼¼ÇÉ
ºÜ¶àÈËϲ»¶ Linux µÄÔ­ÒòÊÇÒòΪLinux ½Å±¾ÓÐÉñÆæµÄħÁ¦. È»¶ø, ÕâÒ»µã²»ÄܳÉΪLinux ѧϰµÄÈ«²¿. Linux µÄħÁ¦À´×ÔÓÚ¶Ô¼ÆËã»úϵͳµÄÉî¿ÌÈÏʶºÍ¶Ô Linux ÕÜѧµÄÀí½â. ÎÞÂÛÊǸ´ÔÓ¾«ÇÉµÄ bash awk, sed ½Å±¾µÄ±àд, »¹ÊÇÇ¿´óµ½¼«µãµÄ VIM EmacsµÄʹÓÃ, ¶¼Êǽ¨Á¢ÔÚÓÚÄÚºËÔ­Àí, ½Å±¾±à³Ì, Îļþϵͳ, ¹ÜµÀϵͳ, ÒÔ¼°ÕýÔò±í´ïʽµÈÕ⼸¸ö»ù´¡ÉÏ. Èç¹ûÄúÖ»ÊÇÏëѧµã½Å±¾ìÅÒ«ìÅÒ«, ¾ÍÏñÔÚWindows ÏÂÒÔÐÞ¸Ä×¢²á±íΪ¸ßÊÖ±êÖ¾Ò»Ñù, Ö»»áÈÃ×Ô¼º¼ñÁËÖ¥Âé, ¶ªÁËÎ÷¹Ï(ÎÒ×Ô¼º·¸¹ýÕâÑùµÄ´íÎó). Æäʵ, ֻҪ̤̤ʵʵ´ò»ù´¡,


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ʵսLinux Bluetooth±à³Ì£¨ËÄ£© L2CAP²ã±à³Ì

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Logical Link Control and Adaptation Protocol(L2CAP)
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ʵսLinux Bluetooth±à³Ì(Áù) L2CAP±à³ÌʵÀý

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Signaling CommandÊÇ2¸öBluetoothʵÌåÖ®¼äµÄL2CAP²ãÃüÁî´«Êä¡£ËùÒÔµÃSignaling CommandʹÓÃCID 0x0001.
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ʵսLinux Bluetooth±à³Ì (Æß) SDPЭÒé

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ʹÓÃQemuÀ´µ÷ÊÔlinuxÄÚºË

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How to interpret a Linux core dump file


Symptom:
 
This technote provides information on how to interpret a Linux core
dump file when an application running on the system, terminates
unexpectedly, due to a segmentation fault and generates a core file.
 
Reason for the problem:
 
A segmentation fault generally occu ......
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