在Ubuntu系统中,如果遇到“binder driver '/dev/binder' could not be opened. terminating”的错误,通常表示Binder驱动无法被正确加载或初始化。要解决这个问题,可以按照以下步骤进行排查和修复: 1. 检查Binder驱动是否正确安装和配置 Binder驱动是一个Linux内核模块,需要确保它已经被正确编译并加载到内核中。 检查Binde...
这里是ProcessState构造函数,在这个函数中,初始化mDriverFD的时候调用了open_driver方法打开binder设备,然后又在函数体中,通过mmap进行内存映射。 ProcessState::ProcessState():mDriverFD(open_driver()),mVMStart(MAP_FAILED),mThreadCountLock(PTHREAD_MUTEX_INITIALIZER),mThreadCountDecrement(PTHREAD_COND_INITIALIZER),...
ALOGE("Using /dev/binder failed: unable to mmap transaction memory.\n"); close(mDriverFD); mDriverFD = -1; } } LOG_ALWAYS_FATAL_IF(mDriverFD < 0, "Binder driver could not be opened. Terminating."); } open_driver的函数实现如下所示。在这个函数中完成了三个工作: 首先通过open系统调用...
ALOGE("Using /dev/binder failed: unable to mmap transaction memory.\n"); close(mDriverFD); mDriverFD = -1; } #else mDriverFD = -1; #endif } LOG_ALWAYS_FATAL_IF(mDriverFD < 0, "Binder driver could not be opened. Terminating."); } 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. ...
MAP_PRIVATE|MAP_NORESERVE,mDriverFD,0);if(mVMStart==MAP_FAILED){// *sigh*ALOGE("Using %s failed: unable to mmap transaction memory.\n",mDriverName.c_str());close(mDriverFD);mDriverFD=-1;mDriverName.clear();}}LOG_ALWAYS_FATAL_IF(mDriverFD<0,"Binder driver could not be opened. ...
(nullptr, mMmapSize, PROT_READ, MAP_PRIVATE | MAP_NORESERVE, mDriverFD, 0); if (mVMStart == MAP_FAILED) { // *sigh* ALOGE("Mmapping /dev/hwbinder failed: %s\n", strerror(errno)); close(mDriverFD); mDriverFD = -1; } } else { ALOGE("Binder driver could not be opened. ...
LOG_ALWAYS_FATAL_IF(mDriverFD<0,"Binder driver could not be opened. Terminating."); } ProcessState的构造函数主要完成两件事:1、初始化列表里调用opern_driver(),打开了文件/dev/binder;2、将文件映射到内存。ProcessState::self()返回单体实例。
mDriverFD= -1; } } LOG_ALWAYS_FATAL_IF(mDriverFD<0,"Binder driver could not be opened. Terminating."); } open_driver的函数实现如下所示。在这个函数中完成了三个工作: a. 首先通过open系统调用打开了dev/binder设备 b. 然后通过ioctl获取Binder实现的版本号,并检查是否匹配 ...
MAP_PRIVATE | MAP_NORESERVE, mDriverFD, 0); if (mVMStart == MAP_FAILED) { // *sigh* ALOGE("Using /dev/binder failed: unable to mmap transaction memory.\n"); close(mDriverFD); mDriverFD = -1; } } LOG_ALWAYS_FATAL_IF(mDriverFD < 0, "Binder driver could not be opened. Term...
mDriverName.clear(); } } LOG_ALWAYS_FATAL_IF(mDriverFD < 0, "Binder driver could not be opened. Terminating."); } 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 23.