Hello, i know my iBook's kind of old and it's even hard to turn it on but now i even lost sound.. 
This is my log file..
How can i fix this..?
This is my log file..
Dec 21 20:57:52 Martins-Mac kernel[0]: ^PSound assertion "0 != err" failed in "AppleLegacyAudio/AppleTexas2Audio/AppleTexas2Audio.cpp" at line 3014 goto AttemptToRetry
Dec 21 20:57:52 Martins-Mac kernel[0]: ^PSound assertion "0 != err" failed in "AppleLegacyAudio/AppleTexas2Audio/AppleTexas2Audio.cpp" at line 2703 goto Exit
Dec 21 20:57:52 Martins-Mac kernel[0]: ^PSound assertion "0 != err" failed in "AppleLegacyAudio/AppleTexas2Audio/AppleTexas2Audio.cpp" at line 3014 goto AttemptToRetry
Dec 21 20:57:52 Martins-Mac kernel[0]: ^PSound assertion "0 != err" failed in "AppleLegacyAudio/AppleTexas2Audio/AppleTexas2Audio.cpp" at line 2703 goto Exit
Dec 21 20:57:52 Martins-Mac kernel[0]: ^PSound assertion "0 != err" failed in "AppleLegacyAudio/AppleTexas2Audio/AppleTexas2Audio.cpp" at line 3014 goto AttemptToRetry
Dec 21 20:57:52 Martins-Mac kernel[0]: ^PSound assertion "0 != err" failed in "AppleLegacyAudio/AppleTexas2Audio/AppleTexas2Audio.cpp" at line 2785 goto Exit
Dec 21 20:57:52 Martins-Mac kernel[0]: ^PSound assertion "0 != err" failed in "AppleLegacyAudio/AppleTexas2Audio/AppleTexas2Audio.cpp" at line 2703 goto Exit
Dec 21 20:57:52 Martins-Mac kernel[0]: ^PSound assertion "0 != err" failed in "AppleLegacyAudio/AppleTexas2Audio/AppleTexas2Audio.cpp" at line 3014 goto AttemptToRetry
Dec 21 20:57:52 Martins-Mac kernel[0]: ^PSound assertion "0 != err" failed in "AppleLegacyAudio/AppleTexas2Audio/AppleTexas2Audio.cpp" at line 2703 goto Exit
Dec 21 20:57:52 Martins-Mac kernel[0]: ^PSound assertion "0 != err" failed in "AppleLegacyAudio/AppleTexas2Audio/AppleTexas2Audio.cpp" at line 3014 goto AttemptToRetry
Dec 21 20:57:52 Martins-Mac kernel[0]: ^PSound assertion "0 != err" failed in "AppleLegacyAudio/AppleTexas2Audio/AppleTexas2Audio.cpp" at line 2703 goto Exit
Dec 21 20:57:52 Martins-Mac kernel[0]: ^PSound assertion "0 != err" failed in "AppleLegacyAudio/AppleTexas2Audio/AppleTexas2Audio.cpp" at line 3014 goto AttemptToRetry
Dec 21 20:57:52 Martins-Mac kernel[0]: ^PSound assertion "0 != err" failed in "AppleLegacyAudio/AppleTexas2Audio/AppleTexas2Audio.cpp" at line 2703 goto Exit
Dec 21 20:57:52 Martins-Mac kernel[0]: ^PSound assertion "0 != err" failed in "AppleLegacyAudio/AppleTexas2Audio/AppleTexas2Audio.cpp" at line 3014 goto AttemptToRetry
Dec 21 20:57:52 Martins-Mac kernel[0]: ^PSound assertion "0 != err" failed in "AppleLegacyAudio/AppleTexas2Audio/AppleTexas2Audio.cpp" at line 2703 goto Exit
Dec 21 20:57:52 Martins-Mac kernel[0]: ^PSound assertion "0 != err" failed in "AppleLegacyAudio/AppleTexas2Audio/AppleTexas2Audio.cpp" at line 3014 goto AttemptToRetry
Dec 21 20:57:52 Martins-Mac kernel[0]: ^PSound assertion "0 != err" failed in "AppleLegacyAudio/AppleTexas2Audio/AppleTexas2Audio.cpp" at line 2785 goto Exit
Dec 21 20:57:52 Martins-Mac kernel[0]: ^PSound assertion "0 != err" failed in "AppleLegacyAudio/AppleTexas2Audio/AppleTexas2Audio.cpp" at line 2703 goto Exit
Dec 21 20:57:52 Martins-Mac kernel[0]: ^PSound assertion "0 != err" failed in "AppleLegacyAudio/AppleTexas2Audio/AppleTexas2Audio.cpp" at line 3014 goto AttemptToRetry
Dec 21 20:57:52 Martins-Mac kernel[0]: ^PSound assertion "0 != err" failed in "AppleLegacyAudio/AppleTexas2Audio/AppleTexas2Audio.cpp" at line 2703 goto Exit
Dec 21 20:57:52 Martins-Mac kernel[0]: ^PSound assertion "0 != err" failed in "AppleLegacyAudio/AppleTexas2Audio/AppleTexas2Audio.cpp" at line 3014 goto AttemptToRetry
Dec 21 20:57:52 Martins-Mac kernel[0]: ^PSound assertion "0 != err" failed in "AppleLegacyAudio/AppleTexas2Audio/AppleTexas2Audio.cpp" at line 2703 goto Exit
Dec 21 20:57:52 Martins-Mac kernel[0]: ^PSound assertion "0 != err" failed in "AppleLegacyAudio/AppleTexas2Audio/AppleTexas2Audio.cpp" at line 3014 goto AttemptToRetry
Dec 21 20:57:52 Martins-Mac kernel[0]: ^PSound assertion "0 != err" failed in "AppleLegacyAudio/AppleTexas2Audio/AppleTexas2Audio.cpp" at line 2703 goto Exit
Dec 21 20:57:52 Martins-Mac kernel[0]: ^PSound assertion "0 != err" failed in "AppleLegacyAudio/AppleTexas2Audio/AppleTexas2Audio.cpp" at line 3014 goto AttemptToRetry
Dec 21 20:57:52 Martins-Mac kernel[0]: ^PSound assertion "0 != err" failed in "AppleLegacyAudio/AppleTexas2Audio/AppleTexas2Audio.cpp" at line 2703 goto Exit
Dec 21 20:57:52 Martins-Mac kernel[0]: ^PSound assertion "0 != err" failed in "AppleLegacyAudio/AppleTexas2Audio/AppleTexas2Audio.cpp" at line 3014 goto AttemptToRetry
Dec 21 20:57:52 Martins-Mac kernel[0]: ^PSound assertion "0 != err" failed in "AppleLegacyAudio/AppleTexas2Audio/AppleTexas2Audio.cpp" at line 2785 goto Exit
Dec 21 20:57:52 Martins-Mac kernel[0]: ^PSound assertion "0 != err" failed in "AppleLegacyAudio/AppleTexas2Audio/AppleTexas2Audio.cpp" at line 2703 goto Exit
Dec 21 20:57:52 Martins-Mac kernel[0]: ^PSound assertion "0 != err" failed in "AppleLegacyAudio/AppleTexas2Audio/AppleTexas2Audio.cpp" at line 3014 goto AttemptToRetry
Dec 21 20:57:52 Martins-Mac kernel[0]: ^P
Dec 21 20:57:53 Martins-Mac kernel[0]: io/AppleTexas2Audio/AppleTexas2Audio.cpp" at line 2703 goto Exit
Dec 21 20:57:53 Martins-Mac kernel[0]: ^PSound assertion "0 != err" failed in "AppleLegacyAudio/AppleTexas2Audio/AppleTexas2Audio.cpp" at line 3014 goto AttemptToRetry
Dec 21 20:57:53 Martins-Mac kernel[0]: ^PSound assertion "0 != err" failed in "AppleLegacyAudio/AppleTexas2Audio/AppleTexas2Audio.cpp" at line 2703 goto Exit
Dec 21 20:57:53 Martins-Mac kernel[0]: ^PSound assertion "0 != err" failed in "AppleLegacyAudio/AppleTexas2Audio/AppleTexas2Audio.cpp" at line 3014 goto AttemptToRetry
Dec 21 20:57:53 Martins-Mac kernel[0]: ^PSound assertion "0 != err" failed in "AppleLegacyAudio/AppleTexas2Audio/AppleTexas2Audio.cpp" at line 2703 goto Exit
Dec 21 20:57:53 Martins-Mac kernel[0]: ^PSound assertion "0 != err" failed in "AppleLegacyAudio/AppleTexas2Audio/AppleTexas2Audio.cpp" at line 3014 goto AttemptToRetry
Dec 21 20:57:53 Martins-Mac kernel[0]: ^PSound assertion "0 != err" failed in "AppleLegacyAudio/AppleTexas2Audio/AppleTexas2Audio.cpp" at line 2703 goto Exit
Dec 21 20:57:53 Martins-Mac kernel[0]: ^PSound assertion "0 != err" failed in "AppleLegacyAudio/AppleTexas2Audio/AppleTexas2Audio.cpp" at line 3014 goto AttemptToRetry
Dec 21 20:57:53 Martins-Mac kernel[0]: ^PSound assertion "0 != err" failed in "AppleLegacyAudio/AppleTexas2Audio/AppleTexas2Audio.cpp" at line 2785 goto Exit
Dec 21 20:57:53 Martins-Mac kernel[0]: ^PSound assertion "0 != err" failed in "AppleLegacyAudio/AppleTexas2Audio/AppleTexas2Audio.cpp" at line 2703 goto Exit
Dec 21 20:57:53 Martins-Mac kernel[0]: ^PSound assertion "0 != err" failed in "AppleLegacyAudio/AppleTexas2Audio/AppleTexas2Audio.cpp" at line 3014 goto AttemptToRetry
Dec 21 20:57:53 Martins-Mac kernel[0]: ^PSound assertion "0 != err" failed in "AppleLegacyAudio/AppleTexas2Audio/AppleTexas2Audio.cpp" at line 2703 goto Exit
Dec 21 20:57:53 Martins-Mac kernel[0]: ^PSound assertion "0 != err" failed in "AppleLegacyAudio/AppleTexas2Audio/AppleTexas2Audio.cpp" at line 3014 goto AttemptToRetry
Dec 21 20:57:53 Martins-Mac kernel[0]: ^PSound assertion "0 != err" failed in "AppleLegacyAudio/AppleTexas2Audio/AppleTexas2Audio.cpp" at line 2703 goto Exit
Dec 21 20:57:53 Martins-Mac kernel[0]: ^PSound assertion "0 != err" failed in "AppleLegacyAudio/AppleTexas2Audio/AppleTexas2Audio.cpp" at line 3014 goto AttemptToRetry
Dec 21 20:57:53 Martins-Mac kernel[0]: ^P
Dec 21 20:57:54 Martins-Mac kernel[0]: io/AppleTexas2Audio/AppleTexas2Audio.cpp" at line 2703 goto Exit
Dec 21 20:57:54 Martins-Mac kernel[0]: ^PSound assertion "0 != err" failed in "AppleLegacyAudio/AppleTexas2Audio/AppleTexas2Audio.cpp" at line 3014 goto AttemptToRetry
Dec 21 20:57:54 Martins-Mac kernel[0]: ^PSound assertion "0 != err" failed in "AppleLegacyAudio/AppleTexas2Audio/AppleTexas2Audio.cpp" at line 2703 goto Exit
Dec 21 20:57:54 Martins-Mac kernel[0]: ^PSound assertion "0 != err" failed in "AppleLegacyAudio/AppleTexas2Audio/AppleTexas2Audio.cpp" at line 3014 goto AttemptToRetry
Dec 21 20:57:54 Martins-Mac kernel[0]: ^PSound assertion "0 != err" failed in "AppleLegacyAudio/AppleTexas2Audio/AppleTexas2Audio.cpp" at line 2785 goto Exit
Dec 21 20:57:54 Martins-Mac kernel[0]: ^PSound assertion "0 != err" failed in "AppleLegacyAudio/AppleTexas2Audio/AppleTexas2Audio.cpp" at line 2703 goto Exit
Dec 21 20:57:54 Martins-Mac kernel[0]: ^PSound assertion "0 != err" failed in "AppleLegacyAudio/AppleTexas2Audio/AppleTexas2Audio.cpp" at line 3014 goto AttemptToRetry
Dec 21 20:57:54 Martins-Mac kernel[0]: ^PSound assertion "0 != err" failed in "AppleLegacyAudio/AppleTexas2Audio/AppleTexas2Audio.cpp" at line 2703 goto Exit
Dec 21 20:57:54 Martins-Mac kernel[0]: ^PSound assertion "0 != err" failed in "AppleLegacyAudio/AppleTexas2Audio/AppleTexas2Audio.cpp" at line 3014 goto AttemptToRetry
Dec 21 20:57:54 Martins-Mac kernel[0]: ^PSound assertion "0 != err" failed in "AppleLegacyAudio/AppleTexas2Audio/AppleTexas2Audio.cpp" at line 2703 goto Exit
Dec 21 20:57:54 Martins-Mac kernel[0]: ^PSound assertion "0 != err" failed in "AppleLegacyAudio/AppleTexas2Audio/AppleTexas2Audio.cpp" at line 3014 goto AttemptToRetry
Dec 21 20:57:54 Martins-Mac kernel[0]: ^PSound assertion "0 != err" failed in "AppleLegacyAudio/AppleTexas2Audio/AppleTexas2Audio.cpp" at line 2703 goto Exit
Dec 21 20:57:54 Martins-Mac kernel[0]: ^PSound assertion "0 != err" failed in "AppleLegacyAudio/AppleTexas2Audio/AppleTexas2Audio.cpp" at line 3014 goto AttemptToRetry
Dec 21 20:57:54 Martins-Mac kernel[0]: ^PSound assertion "0 != err" failed in "AppleLegacyAudio/AppleTexas2Audio/AppleTexas2Audio.cpp" at line 2703 goto Exit
Dec 21 20:57:54 Martins-Mac kernel[0]: ^PSound assertion "0 != err" failed in "AppleLegacyAudio/AppleTexas2Audio/AppleTexas2Audio.cpp" at line 3014 goto AttemptToRetry
Dec 21 20:57:54 Martins-Mac kernel[0]: ^PSound assertion "0 != err" failed in "AppleLegacyAudio/AppleTexas2Audio/AppleTexas2Audio.cpp" at line 2785 goto Exit
Dec 21 20:57:54 Martins-Mac kernel[0]: ^PSound assertion "0 != err" failed in "AppleLegacyAudio/AppleTexas2Audio/AppleTexas2Audio.cpp" at line 2703 goto Exit
Dec 21 20:57:54 Martins-Mac kernel[0]: ^PSound assertion "0 != err" failed in "AppleLegacyAudio/AppleTexas2Audio/AppleTexas2Audio.cpp" at line 3014 goto AttemptToRetry
Dec 21 20:57:54 Martins-Mac kernel[0]: ^PSound assertion "0 != err" failed in "AppleLegacyAudio/AppleTexas2Audio/AppleTexas2Audio.cpp" at line 2703 goto Exit
Dec 21 20:57:54 Martins-Mac kernel[0]: ^PSound assertion "0 != err" failed in "AppleLegacyAudio/AppleTexas2Audio/AppleTexas2Audio.cpp" at line 3014 goto AttemptToRetry
Dec 21 20:57:54 Martins-Mac kernel[0]: ^PSound assertion "0 != err" failed in "AppleLegacyAudio/AppleTexas2Audio/AppleTexas2Audio.cpp" at line 2703 goto Exit
Dec 21 20:57:54 Martins-Mac kernel[0]: ^PSound assertion "0 != err" failed in "AppleLegacyAudio/AppleTexas2Audio/AppleTexas2Audio.cpp" at line 3014 goto AttemptToRetry
Dec 21 20:57:54 Martins-Mac kernel[0]: ^PSound assertion "0 != err" failed in "AppleLegacyAudio/AppleTexas2Audio/AppleTexas2Audio.cpp" at line 2703 goto Exit
Dec 21 20:57:54 Martins-Mac kernel[0]: ^PSound assertion "0 != err" failed in "AppleLegacyAudio/AppleTexas2Audio/AppleTexas2Audio.cpp" at line 3014 goto AttemptToRetry
Dec 21 20:57:54 Martins-Mac kernel[0]: ^PSound assertion "0 != err" failed in "AppleLegacyAudio/AppleTexas2Audio/AppleTexas2Audio.cpp" at line 2703 goto Exit
Dec 21 20:57:54 Martins-Mac kernel[0]: ^PSound assertion "0 != err" failed in "AppleLegacyAudio/AppleTexas2Audio/AppleTexas2Audio.cpp" at line 3014 goto AttemptToRetry
Dec 21 20:57:54 Martins-Mac kernel[0]: ^PSound assertion "0 != err" failed in "AppleLegacyAudio/AppleTexas2Audio/AppleTexas2Audio.cpp" at line 2785 goto Exit
Dec 21 20:57:54 Martins-Mac kernel[0]: ^PSound assertion "0 != err" failed in "AppleLegacyAudio/AppleTexas2Audio/AppleTexas2Audio.cpp" at line 2703 goto Exit
Dec 21 20:57:54 Martins-Mac kernel[0]: ^PSound assertion "0 != err" failed in "AppleLegacyAudio/AppleTexas2Audio/AppleTexas2Audio.cpp" at line 3014 goto AttemptToRetry
Dec 21 20:57:54 Martins-Mac kernel[0]: ^PSound assertion "0 != err" failed in "AppleLegacyAudio/AppleTexas2Audio/AppleTexas2Audio.cpp" at line 2703 goto Exit
How can i fix this..?