Error accessing PRODUCT_USER_PROFILE问题处理

本文介绍了解决Oracle数据库中修改用户密码后遇到的登录问题。问题出现的原因通常是未执行@$ORACLE_HOME/sqlplus/admin/pupbld.sql脚本。解决方法为使用system用户登录并运行此脚本。

--今天在处理修改密码的时候出现了,如下的问题,经过搜索相关问题,已解决
--原因通常是由于手动建库导致没有执行过@$ORACLE_HOME/sqlplus/admin/pupbld.sql这个脚本导致。
--解决方法报错中也给出了,You may need to run PUPBLD.SQL as SYSTEM
--使用system用户登陆,执行脚本即可

Error accessing PRODUCT_USER_PROFILE
Warning:  Product user profile information not loaded!
You may need to run PUPBLD.SQL as SYSTEM

--首先登陆数据库,修改用户的密码,然后进行测试connect,报错
[oracle@ilogdbtest ~]$ sqlplus / as sysdba

SQL> alter user qcarilog identified by xxxxxx;

User altered.

SQL> connect qcarilog/xxxxxxx
Error accessing PRODUCT_USER_PROFILE
Warning:  Product user profile information not loaded!
You may need to run PUPBLD.SQL as SYSTEM
Connected.
SQL> exit

--用system用户登陆,执行脚本
SQL> conn system/system
Connected.
SQL> @$ORACLE_HOME/sqlplus/admin/pupbld.sql

--再次尝试用该用户登陆,无报错,问题解决
[oracle@ilogdbtest ~]$ sqlplus / as sysdba

SQL> connect qcarilog/xxxxxx
Connected.

Flutter 项目中升级 google_mlkit_text_recognition 从0.11.0到 0.15.0,原来页面正常输入信息的输入框,现在只能删除,不能输入,可以调出输入法,就是无法输入信息,也没有任何错误日志出现,可能的原因是什么PS D:\zhuangyunweishi> flutter run -d emulator-5554 Flutter assets will be downloaded from https://storage.flutter-io.cn. Make sure you trust this source! Launching lib\main.dart on sdk gphone64 x86 64 in debug mode... Flutter assets will be downloaded from https://storage.flutter-io.cn. Make sure you trust this source! SourceNodeId()J (unsupported,test-api, reflection, allowed) W/ample.loadguard( 4563): Accessing hidden method Landroid/view/accessibility/AccessibilityRecord;->getSourceNodeId()J (unsupported, reflection, allowed) W/ample.loadguard( 4563): Accessing hidden field Landroid/view/accessibility/AccessibilityNodeInfo;->mChiW/ample.loadguard( 4563): Accessing hidden method Landroid/util/LongArray;->get(I)J (unsupported, reflection, allowed) W/HWUI ( 4563): Unknown dataspace 0 Syncing files to device sdk gphone64 x86 64... 349ms Flutter run key commands. r Hot reload. R Hot restart. h List all available interactive commands. d Detach (terminate "flutter run" but leave application running). c Clear the screen q Quit (terminate the application on the device). A Dart VM Service on sdk gphone64 x86 64 is available at: http://127.0.0.1:59853/CVGpwsWg3j8=/ The Flutter DevTools debugger and profiler on sdk gphone64 x86 64 is available at: http://127.0.0.1:9102?uri=http://127.0.0.1:59853/CVGpwsWg3j8=/ I/Choreographer( 4563): Skipped 61 frames! The application may be doing too much work on its main thread. I/WindowExtensionsImpl( 4563): Initializing Window Extensions, vendor API level=6, activity embedding enabled=true W/HWUI ( 4563): Failed to choose config with EGL_SWAP_BEHAVIOR_PRESERVED, retrying without... W/HWUI ( 4563): Failed to initialize 101010-2 format, error = EGL_SUCCESS I/Gralloc4( 4563): mapper 4.x is not supported I/ample.loadguard( 4563): Compiler allocated 5174KB to compile void android.view.ViewRootImpl.performTraversals() I/ample.loadguard( 4563): Compiler allocated 5417KB to compile void android.view.ViewRootImpl.performTraversals() I/Choreographer( 4563): Skipped 96 frames! The application may be doing too much work on its main thread. D/ProfileInstaller( 4563): Installing profile for com.example.loadguard I/Choreographer( 4563): Skipped 58 frames! The application may be doing too much work on its main thread. D/EGL_emulation( 4563): app_time_stats: avg=72.81ms min=12.28ms max=215.51ms count=13 W/WindowOnBackDispatcher( 4563): sendCancelIfRunning: isInProgress=false callback=io.flutter.embedding.android.FlutterActivity$1@a62fe0a D/EGL_emulation( 4563): app_time_stats: avg=39.17ms min=3.82ms max=387.11ms count=26 D/EGL_emulation( 4563): app_time_stats: avg=100.25ms min=29.67ms max=506.91ms count=10 D/EGL_emulation( 4563): app_time_stats: avg=25.05ms min=7.17ms max=82.55ms count=33 D/EGL_emulation( 4563): app_time_stats: avg=53.35ms min=18.07ms max=178.05ms count=19 W/WindowOnBackDispatcher( 4563): sendCancelIfRunning: isInProgress=false callback=io.flutter.embedding.android.FlutterActivity$1@a62fe0a D/EGL_emulation( 4563): app_time_stats: avg=171.16ms min=11.99ms max=1100.23ms count=11 I/flutter ( 4563): [LOG] _loadPresetData called, template: 平板车 I/flutter ( 4563): [LOG] after _loadPresetData: productCode=LLD-7042, batchNumber=250615F10422, quantity=20 I/flutter ( 4563): [LOG] build: productCode=LLD-7042, batchNumber=250615F10422, quantity=20 D/EGL_emulation( 4563): app_time_stats: avg=104.12ms min=6.13ms max=1251.53ms count=14 W/WindowOnBackDispatcher( 4563): sendCancelIfRunning: isInProgress=false callback=io.flutter.embedding.android.FlutterActivity$1@a62fe0a I/flutter ( 4563): [LOG] _batchNumberController: "250615F10422" I/flutter ( 4563): [LOG] _batchFocusNode.hasFocus: "true" I/flutter ( 4563): [LOG] _batchFocusNode 获得焦点,重置输入法连接 I/flutter ( 4563): [LOG] _batchNumberController: "250615F10422" D/EGL_emulation( 4563): app_time_stats: avg=87.36ms min=5.70ms max=980.71ms count=16 I/ImeTracker( 4563): com.example.loadguard:a4714024: onRequestShow at ORIGIN_CLIENT reason SHOW_SOFT_INPUT fromUser false D/InputMethodManager( 4563): showSoftInput() view=io.flutter.embedding.android.FlutterView{343be5b VFE...... .F....ID 0,0-1344,2992 #1 aid=1073741824} flags=0 reason=SHOW_SOFT_INPUT D/InputConnectionAdaptor( 4563): The input method toggled cursor monitoring on D/InsetsController( 4563): show(ime(), fromIme=true) W/InteractionJankMonitor( 4563): Initializing without READ_DEVICE_CONFIG permission. enabled=false, interval=1, missedFrameThreshold=3, frameTimeThreshold=64, package=com.example.loadguard D/EGL_emulation( 4563): app_time_stats: avg=122.23ms min=9.35ms max=322.95ms count=8 I/ImeTracker( 4563): com.example.loadguard:a4714024: onShown D/EGL_emulation( 4563): app_time_stats: avg=1130.69ms min=2.70ms max=10409.28ms count=10 I/flutter ( 4563): [LOG] _batchNumberController: "250615F1042" I/flutter ( 4563): [LOG] onChanged batchNumber: 250615F1042 I/flutter ( 4563): [LOG] _batchNumberController: "250615F104" I/flutter ( 4563): [LOG] onChanged batchNumber: 250615F104 I/flutter ( 4563): [LOG] _batchNumberController: "250615F10" I/flutter ( 4563): [LOG] onChanged batchNumber: 250615F10 I/flutter ( 4563): [LOG] _batchNumberController: "250615F1" I/flutter ( 4563): [LOG] onChanged batchNumber: 250615F1 D/EGL_emulation( 4563): app_time_stats: avg=89.75ms min=11.73ms max=260.84ms count=11 I/flutter ( 4563): [LOG] _batchNumberController: "250615F" I/flutter ( 4563): [LOG] onChanged batchNumber: 250615F I/flutter ( 4563): [LOG] _batchNumberController: "250615" I/flutter ( 4563): [LOG] onChanged batchNumber: 250615 I/flutter ( 4563): [LOG] _batchNumberController: "25061" I/flutter ( 4563): [LOG] onChanged batchNumber: 25061 I/flutter ( 4563): [LOG] _batchNumberController: "2506" I/flutter ( 4563): [LOG] onChanged batchNumber: 2506 D/EGL_emulation( 4563): app_time_stats: avg=286.45ms min=234.33ms max=332.40ms count=4 I/flutter ( 4563): [LOG] _batchNumberController: "250" I/flutter ( 4563): [LOG] onChanged batchNumber: 250 D/EGL_emulation( 4563): app_time_stats: avg=480.30ms min=474.05ms max=492.52ms count=3 D/EGL_emulation( 4563): app_time_stats: avg=500.04ms min=500.03ms max=500.05ms count=2 D/EGL_emulation( 4563): app_time_stats: avg=500.02ms min=499.29ms max=501.43ms count=3 D/EGL_emulation( 4563): app_time_stats: avg=499.61ms min=499.27ms max=500.01ms count=3 D/EGL_emulation( 4563): app_time_stats: avg=509.42ms min=500.94ms max=517.91ms count=2 I/flutter ( 4563): [LOG] _quantityController: "20" I/flutter ( 4563): [LOG] _batchFocusNode.hasFocus: "false" I/flutter ( 4563): [LOG] _quantityFocusNode.hasFocus: "true" I/flutter ( 4563): [LOG] _quantityFocusNode 获得焦点,重置输入法连接 I/flutter ( 4563): [LOG] _quantityController: "20" I/ImeTracker( 4563): com.example.loadguard:3fa548c6: onRequestShow at ORIGIN_CLIENT reason SHOW_SOFT_INPUT fromUser false D/InputMethodManager( 4563): showSoftInput() view=io.flutter.embedding.android.FlutterView{343be5b VFE...... .F...... 0,0-1344,2992 #1 aid=1073741824} flags=0 reason=SHOW_SOFT_INPUT D/InputConnectionAdaptor( 4563): The input method toggled cursor monitoring on D/InputConnectionAdaptor( 4563): The input method toggled cursor monitoring off D/InputConnectionAdaptor( 4563): The input method toggled cursor monitoring on D/InsetsController( 4563): show(ime(), fromIme=true) I/ImeTracker( 4563): com.example.loadguard:3fa548c6: onCancelled at PHASE_CLIENT_APPLY_ANIMATION D/EGL_emulation( 4563): app_time_stats: avg=132.37ms min=24.18ms max=498.39ms count=10 I/flutter ( 4563): [LOG] _quantityController: "2" I/flutter ( 4563): [LOG] onChanged quantity: 2 I/flutter ( 4563): [LOG] setState in onChanged quantity, value: 2 I/flutter ( 4563): [LOG] build: productCode=LLD-7042, batchNumber=250, quantity=2 D/EGL_emulation( 4563): app_time_stats: avg=118.76ms min=5.83ms max=501.22ms count=11 D/EGL_emulation( 4563): app_time_stats: avg=499.52ms min=499.51ms max=499.54ms count=3 D/EGL_emulation( 4563): app_time_stats: avg=499.96ms min=499.33ms max=500.58ms count=2 D/EGL_emulation( 4563): app_time_stats: avg=500.42ms min=498.21ms max=501.73ms count=3 I/flutter ( 4563): [LOG] _quantityFocusNode.hasFocus: "false" I/ImeTracker( 4563): com.example.loadguard:bb1c0f0b: onRequestHide at ORIGIN_CLIENT reason HIDE_SOFT_INPUT fromUser false D/InsetsController( 4563): hide(ime(), fromIme=true) D/InputConnectionAdaptor( 4563): The input method toggled cursor monitoring off D/EGL_emulation( 4563): app_time_stats: avg=8097.52ms min=16.38ms max=16178.67ms count=2 D/EGL_emulation( 4563): app_time_stats: avg=210.48ms min=22.28ms max=383.62ms count=5 I/ImeTracker( 4563): com.example.loadguard:3160c9a6: onRequestHide at ORIGIN_CLIENT reason HIDE_SOFT_INPUT_ON_ANIMATION_STATE_CHANGED fromUser false I/ImeTracker( 4563): com.example.loadguard:bb1c0f0b: onHidden D/EGL_emulation( 4563): app_time_stats: avg=199.13ms min=29.11ms max=877.45ms count=6 I/flutter ( 4563): [LOG] build: productCode=LLD-7042, batchNumber=250715F10422, quantity=20 W/WindowOnBackDispatcher( 4563): sendCancelIfRunning: isInProgress=false callback=io.flutter.embedding.android.FlutterActivity$1@a62fe0a D/EGL_emulation( 4563): app_time_stats: avg=71.67ms min=6.31ms max=892.22ms count=16 I/flutter ( 4563): [LOG] _batchNumberController: 250715F10422 I/ImeTracker( 4563): com.example.loadguard:64b38682: onRequestShow at ORIGIN_CLIENT reason SHOW_SOFT_INPUT fromUser false D/InputMethodManager( 4563): showSoftInput() view=io.flutter.embedding.android.FlutterView{343be5b VFE...... .F...... 0,0-1344,2992 #1 aid=1073741824} flags=0 reason=SHOW_SOFT_INPUT D/EGL_emulation( 4563): app_time_stats: avg=23.28ms min=2.54ms max=224.42ms count=29 D/InputConnectionAdaptor( 4563): The input method toggled cursor monitoring on D/InsetsController( 4563): show(ime(), fromIme=true) D/EGL_emulation( 4563): app_time_stats: avg=776.08ms min=10.58ms max=3659.82ms count=5 I/ImeTracker( 4563): com.example.loadguard:64b38682: onShown I/flutter ( 4563): [LOG] _batchNumberController: 250715F1042 I/flutter ( 4563): [LOG] onChanged batchNumber: 250715F1042 D/EGL_emulation( 4563): app_time_stats: avg=120.61ms min=16.27ms max=495.79ms count=11 I/flutter ( 4563): [LOG] _batchNumberController: 250715F104 I/flutter ( 4563): [LOG] onChanged batchNumber: 250715F104 I/flutter ( 4563): [LOG] _batchNumberController: 250715F10 I/flutter ( 4563): [LOG] onChanged batchNumber: 250715F10 I/flutter ( 4563): [LOG] _batchNumberController: 250715F1 I/flutter ( 4563): [LOG] onChanged batchNumber: 250715F1 I/flutter ( 4563): [LOG] _batchNumberController: 250715F I/flutter ( 4563): [LOG] onChanged batchNumber: 250715F I/flutter ( 4563): [LOG] _batchNumberController: 250715 I/flutter ( 4563): [LOG] onChanged batchNumber: 250715 I/flutter ( 4563): [LOG] _batchNumberController: 25071 I/flutter ( 4563): [LOG] onChanged batchNumber: 25071 D/EGL_emulation( 4563): app_time_stats: avg=108.70ms min=13.49ms max=248.17ms count=10 I/flutter ( 4563): [LOG] _batchNumberController: 2507 I/flutter ( 4563): [LOG] onChanged batchNumber: 2507 I/flutter ( 4563): [LOG] _batchNumberController: 250 I/flutter ( 4563): [LOG] onChanged batchNumber: 250 D/EGL_emulation( 4563): app_time_stats: avg=358.31ms min=157.83ms max=537.44ms count=4 D/EGL_emulation( 4563): app_time_stats: avg=489.67ms min=460.90ms max=506.42ms count=3 D/EGL_emulation( 4563): app_time_stats: avg=499.17ms min=496.25ms max=502.55ms count=3 D/EGL_emulation( 4563): app_time_stats: avg=498.30ms min=495.33ms max=500.43ms count=3 D/EGL_emulation( 4563): app_time_stats: avg=499.64ms min=497.64ms max=501.15ms count=3 D/EGL_emulation( 4563): app_time_stats: avg=501.02ms min=499.58ms max=502.46ms count=2 D/EGL_emulation( 4563): app_time_stats: avg=499.58ms min=498.45ms max=500.49ms count=3这段日志,在输入框中删除正常,无法输入信息,输入法可以调出,你能看出来问题在哪里吗?
最新发布
07-16
<think>好的,我现在需要解决用户提到的内部错误问题,也就是在访问用户空间内存时出现的错误日志:“Internal error: Accessing user space memory outside uaccess.h routines: 9600004f [#1] PREEMPT SMP”,然后系统重启。用户提到这个问题出现在使用ioctl接口时,需要找到解决方案。 首先,我得理解这个错误的原因。根据错误信息,问题出在没有正确使用uaccess.h中的函数来访问用户空间内存。在Linux内核开发中,用户空间和内核空间的内存访问必须严格区分,不能直接通过指针访问用户空间的内存,否则会导致系统不稳定甚至崩溃。这时候应该使用内核提供的专用函数,比如copy_from_user、copy_to_user、get_user、put_user等,这些函数封装了安全的内存访问机制,并检查用户空间地址的有效性。 接下来,我需要检查用户提到的ioctl接口的实现。ioctl是设备驱动中常用的一个系统调用,用于设备特定的操作。在处理ioctl命令时,如果涉及到从用户空间传递指针或数据,必须使用上述的安全函数来复制数据,而不是直接解引用用户空间的指针。例如,当用户传递一个结构体指针给ioctl时,驱动程序应该先用copy_from_user将数据从用户空间复制到内核空间的缓冲区,然后再处理这些数据。 另外,还需要注意内核代码中是否有地方直接访问了用户空间的指针,比如在函数参数中传递的void __user *类型的指针,必须使用正确的访问函数。如果直接像在内核空间那样操作这些指针,就会触发这个错误。此外,还要确认是否在代码中遗漏了__user的标记,导致编译器无法提醒开发者使用正确的函数。 可能还需要检查内存访问的权限和有效性。例如,用户空间的地址可能没有正确的映射,或者已经被释放,这时候直接访问会导致问题。使用access_ok函数在复制数据前验证地址的范围是否合法,可以避免一些错误。不过,access_ok只是检查地址是否在用户空间范围内,并不保证该地址当前有效,所以即使使用它,仍然需要使用copy_from_user等函数来处理错误情况,比如返回-EFAULT。 此外,还需要考虑内核配置和硬件架构的问题。不同的体系结构可能有不同的内存管理机制,某些情况下可能需要更严格的处理。例如,ARM和x86在处理用户空间访问时可能有不同的要求,需要确保代码在不同架构下的兼容性。 最后,用户可能需要检查他们的内核代码,特别是在ioctl处理函数中,是否有直接使用用户指针而未通过安全函数的情况。修改这些地方,使用正确的函数来复制数据,应该可以解决这个错误。同时,建议用户使用静态分析工具,如Sparse,来检测内核代码中可能的用户空间访问错误,这有助于提前发现问题。</think>### 解决“访问用户空间内存错误”的步骤分析 #### 1. 错误原因定位 该错误通常发生在**内核代码直接访问用户空间指针**时,未使用内核提供的安全接口(如`copy_from_user`/`copy_to_user`)。Linux内核要求所有用户空间内存访问必须通过`uaccess.h`中的函数完成,否则会触发权限异常或内存保护错误[^1]。 #### 2. 关键解决方案 ##### 2.1 使用安全内存访问函数 - **复制用户空间数据到内核**: 在`ioctl`接口中,若需要读取用户空间数据,使用`copy_from_user`: ```c unsigned long copy_from_user(void *to, const void __user *from, unsigned long n); ``` 示例: ```c char buffer[128]; if (copy_from_user(buffer, user_ptr, sizeof(buffer))) { return -EFAULT; // 用户空间地址无效 } ``` - **向用户空间写入数据**: 使用`copy_to_user`: ```c unsigned long copy_to_user(void __user *to, const void *from, unsigned long n); ``` ##### 2.2 验证用户空间指针有效性 使用`access_ok`检查用户空间地址是否合法: ```c if (!access_ok(VERIFY_READ, user_ptr, size)) { return -EFAULT; } ``` ##### 2.3 避免直接解引用用户指针 **错误示例**(直接访问用户指针): ```c int *user_value = (int *)arg; // arg为用户空间指针 printk("Value: %d", *user_value); // 触发错误! ``` **正确修改**: ```c int kernel_value; if (copy_from_user(&kernel_value, arg, sizeof(int))) { return -EFAULT; } printk("Value: %d", kernel_value); ``` #### 3. 调试与验证 - **启用内核调试选项**: 编译内核时启用`CONFIG_DEBUG_ATOMIC_SLEEP`和`CONFIG_DEBUG_VM`,帮助捕获非法内存访问。 - **使用`strace`跟踪系统调用**: 确认`ioctl`参数传递是否符合预期: ```bash strace -e ioctl your_application ``` #### 4. 代码示例(修复后的`ioctl`片段) ```c static long my_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { struct my_data data; void __user *user_ptr = (void __user *)arg; switch (cmd) { case MY_CMD_READ: if (copy_to_user(user_ptr, &data, sizeof(data))) { return -EFAULT; } break; case MY_CMD_WRITE: if (copy_from_user(&data, user_ptr, sizeof(data))) { return -EFAULT; } // 处理数据... break; default: return -ENOTTY; } return 0; } ``` --- ###
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