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GCC±àÒ빤¾ßÔÚRed Hat/Fedora Core·¢ÐаæÖÐĬÈÏÒѾ­°²×°£¬Òò´Ë²»ÐèÒªÔÙ°²×°¡£ÔÚUbuntu·¢ÐаæÖУ¬´ò¿ªshell£¬Ê¹ÓÃÏÂÃæµÄÃüÁî¿ÉÒÔ·½±ãµÄ°²×°GCC±àÒëÆ÷(\$ΪÃüÁîÐÐÌáʾ·û)£º
¡¡¡¡$ sudo apt-get install build-essential
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     $ sudo apt-get install g77 f77 gfortran
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     $ sudo apt-get install gdb
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ʵսLinux Bluetooth±à³Ì£¨Èý£© HCI²ã±à³Ì

1. HCI²ãЭÒé¸ÅÊö£º
HCIÌṩһÌ×ͳһµÄ·½·¨À´·ÃÎÊBluetoothµ×²ã¡£ÈçͼËùʾ£º
´ÓͼÉÏ¿ÉÒÔ¿´³ö£¬Host Controller Interface(HCI)  ¾ÍÊÇÓÃÀ´¹µÍ¨HostºÍModule¡£Hostͨ³£¾ÍÊÇPC£¬ ModuleÔòÊÇÒÔ¸÷ÖÖÎïÀíÁ¬½ÓÐÎʽ£¨USB,serial,pc-cardµÈ£©Á¬½Óµ½PCÉϵÄbluetooth Dongle¡£
ÔÚHostÕâÒ»¶Ë£ºapplication,SDP,L2capµÈЭÒé ......

LinuxÏÂgrepʹÓÃÏêϸ½éÉÜ


1. grep¼ò½é
grep £¨global search regular expression(RE) and print out the line,È«ÃæËÑË÷ÕýÔò±í´ïʽ²¢°ÑÐдòÓ¡³öÀ´£©ÊÇÒ»ÖÖÇ¿´óµÄÎı¾ËÑË÷¹¤¾ß£¬ËüÄÜʹÓÃÕýÔò±í´ïʽËÑË÷Îı¾£¬²¢°ÑÆ¥ÅäµÄÐдòÓ¡³öÀ´¡£UnixµÄgrep¼Ò×å°ü À¨grep¡¢egrepºÍfgrep¡£egrepºÍfgrepµÄÃüÁîÖ»¸úgrepÓкÜС²»Í¬¡£egrepÊÇgrepµÄÀ©Õ¹£¬Ö§³Ö¸ü¶ ......

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    Ò³ÉêÇëµÄºËÐĵ÷ÓÃÊÇ: __alloc_pages(). Ò³ÉêÇë˳ÐòÈçÏ£º
    Ê×ÏÈÕÒ×î´óÄÜ·ûºÏµÄ¿é, Èç¹ûÒ»¸ö¿ÕÏп鲻ÄÜÂú×ã, ¸ü¸ßÒ»¼¶µÄ¿é½«·Ö¸î³É2¸öbuddy, Ò»¸ö±»Õ¼ÓÃ, Ò»¸ö·ÅÈëµÍÒ»¼¶µÄfreelist.
    µ±¿é±»ÊÍ·Åʱ, ¼ì²éÿ¶Ôbuddy, Èç¹ûÁ½Õß¶¼¿ÕÏÐ, °ÑËûÃǺϲ¢µ½¸ü¸ßÒ»¼¶µÄ¿éÊý×é ......

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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