问题[additional-drivers](ubuntu)

ubuntu 18.04 software-properties-gtk 失败，当我尝试打开软件并更新它时，它没有打开，当我尝试打开时sudo software-properties-gtk

它返回此错误

ERROR:dbus.proxies:Introspect error on :1.136:/: dbus.exceptions.DBusException: org.freedesktop.DBus.Error.NoReply: Message recipient disconnected from message bus without replying
Traceback (most recent call last):
  File "/usr/bin/software-properties-gtk", line 100, in <module>
    app = SoftwarePropertiesGtk(datadir=options.data_dir, options=options, file=file)
  File "/usr/lib/python3/dist-packages/softwareproperties/gtk/SoftwarePropertiesGtk.py", line 173, in __init__
    self.backend.Reload();
  File "/usr/lib/python3/dist-packages/dbus/proxies.py", line 70, in __call__
    return self._proxy_method(*args, **keywords)
  File "/usr/lib/python3/dist-packages/dbus/proxies.py", line 145, in __call__
    **keywords)
  File "/usr/lib/python3/dist-packages/dbus/connection.py", line 651, in call_blocking
    message, timeout)
dbus.exceptions.DBusException: org.freedesktop.DBus.Error.ServiceUnknown: The name :1.136 was not provided by any .service files

我尝试重新安装software-properties-gtk但它不起作用我还尝试按照其他博客的建议重新安装 python-six 软件包，但也没有解决我的问题。

我使用的笔记本电脑是 Acer Predator Helios 300（i5 8th gen）。我的笔记本电脑的规格是：

• 显卡：GeForce GTX 1050 Ti
• Ubuntu 版本：18.04.4 LTS
• 双启动：Windows 10 和 Ubuntu
• 当前驱动：nvidia-driver-450（开源）

未检测到主显示器；添加 Nvidia 驱动程序后，只有辅助显示器正在工作。

最初它工作正常。对于某些工作，我不得不切换到 Windows。过了一段时间，我切换回了 Ubuntu；突然没有检测到笔记本电脑的显示器。

我不知道是什么问题。

我刚买了一个 USB-AC56 华硕双频无线交流 1300 适配器。它适用于 Windows。但在 Ubuntu 上，您需要安装驱动程序。

与适配器相关的 lsusb 的输出：

Bus 001 Device 004: ID 0b05:17d2 ASUSTek Computer, Inc. USB-AC56 802.11a/b/g/n/ac Wireless Adapter [Realtek RTL8812AU] 

华硕告诉我使用以下内容： https ://dlcdnets.asus.com/pub/ASUS/wireless/USB-AC56/DR_USB_AC56_425_Linux.zip 。如何安装驱动程序？除了链接之外，华硕没有提供进一步的说明，也没有提供卸载方法。

我还读到以下 github 项目可能会更好： https ://github.com/diederikdehaas/rtl8812AU

这些司机更好吗？他们甚至是正确的吗？我不想安装我无法撤消的东西。有谁知道如何卸载 dkms 包？

这个对吗？

$ DRV_NAME=rtl8812AU
$ DRV_VERSION=4.3.20
$ sudo dkms remove ${DRV_NAME}/${DRV_VERSION} --all

请帮助验证我们所有人需要做什么！

我有一个XP Pentablet驱动程序的.sh文件每次我需要运行这些命令才能运行程序

$ cd /home/path/
$ chmod +x Pentablet_Driver.sh
$ sudo ./Pentablet_Driver

我想知道，无论如何我可以创建任何自动执行这些命令以自行运行应用程序的文件。

双频 USB 适配器 2.4/5GHz 1200(866+300)Mbps 无线速度与 802.11ac

所以最近我购买了带有 CD 上驱动程序的双频 USB 适配器，以安装在 Windows、Mac 和 Linux 上。

我正在使用Ubuntu 18.04.4 LTS - 64 位

1. 将适配器连接到USB端口后，我检查了输入终端的端口lsusb，我得到以下信息：

Bus 001 Device 007: ID 0bda:b812 Realtek Semiconductor Corp.

2. sudo dkms status然后我什么也没得到。

3. 然后我在 CD 中名为 ( RTL81888192EUS_linux_v4.3.0.4_11485.20140519chmod +x install.sh ) 的文件夹中安装 Wi-Fi 2.4GHz，在终端中输入，然后sudo ./install.sh我得到以下结果：

##################################################
Realtek Wi-Fi driver Auto installation script
Novembor, 21 2011 v1.1.0
##################################################
Decompress the driver source tar ball:
    rtl8188EUS_linux_v4.3.0.4_11485.20140519.tar.gz
rtl8188EUS_linux_v4.3.0.4_11485.20140519/ (all files)

Authentication requested [root] for make clean:
cd hal/OUTSRC/ ; rm -fr */*.mod.c */*.mod */*.o */.*.cmd */*.ko
cd hal/OUTSRC/ ; rm -fr *.mod.c *.mod *.o .*.cmd *.ko 
cd hal/led ; rm -fr *.mod.c *.mod *.o .*.cmd *.ko
cd hal ; rm -fr */*/*.mod.c */*/*.mod */*/*.o */*/.*.cmd */*/*.ko
cd hal ; rm -fr */*.mod.c */*.mod */*.o */.*.cmd */*.ko
cd hal ; rm -fr *.mod.c *.mod *.o .*.cmd *.ko
cd core/efuse ; rm -fr *.mod.c *.mod *.o .*.cmd *.ko
cd core ; rm -fr *.mod.c *.mod *.o .*.cmd *.ko
cd os_dep/linux ; rm -fr *.mod.c *.mod *.o .*.cmd *.ko
cd os_dep ; rm -fr *.mod.c *.mod *.o .*.cmd *.ko
cd platform ; rm -fr *.mod.c *.mod *.o .*.cmd *.ko
rm -fr Module.symvers ; rm -fr Module.markers ; rm -fr modules.order
rm -fr *.mod.c *.mod *.o .*.cmd *.ko *~
rm -fr .tmp_versions
Authentication requested [root] for make driver:
make ARCH=x86_64 CROSS_COMPILE= -C /lib/modules/4.15.0-101-generic/build M=/home/luisito/Documents/RTL81888192EUS_linux_v4.3.0.4_11485.20140519/driver/rtl8188EUS_linux_v4.3.0.4_11485.20140519  modules
make[1]: Entering directory '/usr/src/linux-headers-4.15.0-101-generic'
CC [M]  /home/luisito/Documents/RTL81888192EUS_linux_v4.3.0.4_11485.20140519/driver/rtl8188EUS_linux_v4.3.0.4_11485.20140519/core/rtw_cmd.o
In file included from /home/luisito/Documents/RTL81888192EUS_linux_v4.3.0.4_11485.20140519/driver/rtl8188EUS_linux_v4.3.0.4_11485.20140519/include/osdep_service.h:41:0,
                 from /home/luisito/Documents/RTL81888192EUS_linux_v4.3.0.4_11485.20140519/driver/rtl8188EUS_linux_v4.3.0.4_11485.20140519/include/drv_types.h:32,
                 from /home/luisito/Documents/RTL81888192EUS_linux_v4.3.0.4_11485.20140519/driver/rtl8188EUS_linux_v4.3.0.4_11485.20140519/core/rtw_cmd.c:22:
/home/luisito/Documents/RTL81888192EUS_linux_v4.3.0.4_11485.20140519/driver/rtl8188EUS_linux_v4.3.0.4_11485.20140519/include/osdep_service_linux.h: In function ‘_init_timer’:
/home/luisito/Documents/RTL81888192EUS_linux_v4.3.0.4_11485.20140519/driver/rtl8188EUS_linux_v4.3.0.4_11485.20140519/include/osdep_service_linux.h:253:8: error: ‘_timer {aka struct timer_list}’ has no member named ‘data’
  ptimer->data = (unsigned long)cntx;
        ^~
/home/luisito/Documents/RTL81888192EUS_linux_v4.3.0.4_11485.20140519/driver/rtl8188EUS_linux_v4.3.0.4_11485.20140519/include/osdep_service_linux.h:254:2: error: implicit declaration of function ‘init_timer’; did you mean ‘_init_timer’? [-Werror=implicit-function-declaration]
  init_timer(ptimer);
  ^~~~~~~~~~
  _init_timer
In file included from /home/luisito/Documents/RTL81888192EUS_linux_v4.3.0.4_11485.20140519/driver/rtl8188EUS_linux_v4.3.0.4_11485.20140519/include/drv_types.h:32:0,
             from /home/luisito/Documents/RTL81888192EUS_linux_v4.3.0.4_11485.20140519/driver/rtl8188EUS_linux_v4.3.0.4_11485.20140519/core/rtw_cmd.c:22:
/home/luisito/Documents/RTL81888192EUS_linux_v4.3.0.4_11485.20140519/driver/rtl8188EUS_linux_v4.3.0.4_11485.20140519/include/osdep_service.h: In function ‘thread_enter’:
/home/luisito/Documents/RTL81888192EUS_linux_v4.3.0.4_11485.20140519/driver/rtl8188EUS_linux_v4.3.0.4_11485.20140519/include/osdep_service.h:342:2: error: implicit declaration of function ‘allow_signal’; did you mean ‘do_signal’? [-Werror=implicit-function-declaration]
  allow_signal(SIGTERM);
  ^~~~~~~~~~~~
  do_signal
/home/luisito/Documents/RTL81888192EUS_linux_v4.3.0.4_11485.20140519/driver/rtl8188EUS_linux_v4.3.0.4_11485.20140519/include/osdep_service.h: In function ‘flush_signals_thread’:
/home/luisito/Documents/RTL81888192EUS_linux_v4.3.0.4_11485.20140519/driver/rtl8188EUS_linux_v4.3.0.4_11485.20140519/include/osdep_service.h:352:6: error: implicit declaration of function ‘signal_pending’; did you mean ‘timer_pending’? [-Werror=implicit-function-declaration]
  if (signal_pending (current))
      ^~~~~~~~~~~~~~
      timer_pending
/home/luisito/Documents/RTL81888192EUS_linux_v4.3.0.4_11485.20140519/driver/rtl8188EUS_linux_v4.3.0.4_11485.20140519/include/osdep_service.h:354:3: error: implicit declaration of function ‘flush_signals’; did you mean ‘do_signal’? [-Werror=implicit-function-declaration]
   flush_signals(current);
   ^~~~~~~~~~~~~
   do_signal
cc1: some warnings being treated as errors
scripts/Makefile.build:330: recipe for target '/home/luisito/Documents/RTL81888192EUS_linux_v4.3.0.4_11485.20140519/driver/rtl8188EUS_linux_v4.3.0.4_11485.20140519/core/rtw_cmd.o' failed
make[2]: *** [/home/luisito/Documents/RTL81888192EUS_linux_v4.3.0.4_11485.20140519/driver/rtl8188EUS_linux_v4.3.0.4_11485.20140519/core/rtw_cmd.o] Error 1
Makefile:1577: recipe for target '_module_/home/luisito/Documents/RTL81888192EUS_linux_v4.3.0.4_11485.20140519/driver/rtl8188EUS_linux_v4.3.0.4_11485.20140519' failed
make[1]: *** [_module_/home/luisito/Documents/RTL81888192EUS_linux_v4.3.0.4_11485.20140519/driver/rtl8188EUS_linux_v4.3.0.4_11485.20140519] Error 2
make[1]: Leaving directory '/usr/src/linux-headers-4.15.0-101-generic'
Makefile:1318: recipe for target 'modules' failed
make: *** [modules] Error 2
##################################################
Compile make driver error: 2
Please check error Mesg
##################################################

似乎该文件夹中不存在文件rtw_cmd.o，因此它已失败。

4.最后，我在 CD 中名为 ( RTL8821AU_Linux_v5.2.6_21981_COEX20170206-6760.20170407 ) 的文件夹中安装了 Wi-Fi 5GHz，在终端中输入chmod +x install.sh，然后sudo ./install.sh我得到以下结果：

##################################################
Realtek Wi-Fi driver Auto installation script
Novembor, 21 2011 v1.1.0
##################################################
Decompress the driver source tar ball:
    rtl8821AU_WiFi_linux_v5.2.6_21981.20170407_COEX20170206-6760.tar.gz
rtl8821AU_WiFi_linux_v5.2.6_21981.20170407_COEX20170206-6760/ (all files)

Authentication requested [root] for make clean:
#make -C /lib/modules/4.15.0-101-generic/build M=/home/luisito/Documents/RTL8821AU_Linux_v5.2.6_21981_COEX20170206-6760.20170407/driver/rtl8821AU_WiFi_linux_v5.2.6_21981.20170407_COEX20170206-6760 clean
cd hal ; rm -fr */*/*/*.mod.c */*/*/*.mod */*/*/*.o */*/*/.*.cmd */*/*/*.ko
cd hal ; rm -fr */*/*.mod.c */*/*.mod */*/*.o */*/.*.cmd */*/*.ko
cd hal ; rm -fr */*.mod.c */*.mod */*.o */.*.cmd */*.ko
cd hal ; rm -fr *.mod.c *.mod *.o .*.cmd *.ko
cd core/efuse ; rm -fr *.mod.c *.mod *.o .*.cmd *.ko
cd core ; rm -fr *.mod.c *.mod *.o .*.cmd *.ko
cd os_dep/linux ; rm -fr *.mod.c *.mod *.o .*.cmd *.ko
cd os_dep ; rm -fr *.mod.c *.mod *.o .*.cmd *.ko
cd platform ; rm -fr *.mod.c *.mod *.o .*.cmd *.ko
rm -fr Module.symvers ; rm -fr Module.markers ; rm -fr modules.order
rm -fr *.mod.c *.mod *.o .*.cmd *.ko *~
rm -fr .tmp_versions
Authentication requested [root] for make driver:
make ARCH=x86_64 CROSS_COMPILE= -C /lib/modules/4.15.0-101-generic/build M=/home/luisito/Documents/RTL8821AU_Linux_v5.2.6_21981_COEX20170206-6760.20170407/driver/rtl8821AU_WiFi_linux_v5.2.6_21981.20170407_COEX20170206-6760  modules
make[1]: Entering directory '/usr/src/linux-headers-4.15.0-101-generic'
  CC [M]  /home/luisito/Documents/RTL8821AU_Linux_v5.2.6_21981_COEX20170206-6760.20170407/driver/rtl8821AU_WiFi_linux_v5.2.6_21981.20170407_COEX20170206-6760/core/rtw_cmd.o
In file included from /home/luisito/Documents/RTL8821AU_Linux_v5.2.6_21981_COEX20170206-6760.20170407/driver/rtl8821AU_WiFi_linux_v5.2.6_21981.20170407_COEX20170206-6760/include/osdep_service.h:47:0,
                 from /home/luisito/Documents/RTL8821AU_Linux_v5.2.6_21981_COEX20170206-6760.20170407/driver/rtl8821AU_WiFi_linux_v5.2.6_21981.20170407_COEX20170206-6760/include/drv_types.h:32,
                 from /home/luisito/Documents/RTL8821AU_Linux_v5.2.6_21981_COEX20170206-6760.20170407/driver/rtl8821AU_WiFi_linux_v5.2.6_21981.20170407_COEX20170206-6760/core/rtw_cmd.c:22:
/home/luisito/Documents/RTL8821AU_Linux_v5.2.6_21981_COEX20170206-6760.20170407/driver/rtl8821AU_WiFi_linux_v5.2.6_21981.20170407_COEX20170206-6760/include/osdep_service_linux.h: In function ‘_init_timer’:
/home/luisito/Documents/RTL8821AU_Linux_v5.2.6_21981_COEX20170206-6760.20170407/driver/rtl8821AU_WiFi_linux_v5.2.6_21981.20170407_COEX20170206-6760/include/osdep_service_linux.h:288:8: error: ‘_timer {aka struct timer_list}’ has no member named ‘data’
  ptimer->data = (unsigned long)cntx;
        ^~
/home/luisito/Documents/RTL8821AU_Linux_v5.2.6_21981_COEX20170206-6760.20170407/driver/rtl8821AU_WiFi_linux_v5.2.6_21981.20170407_COEX20170206-6760/include/osdep_service_linux.h:289:2: error: implicit declaration of function ‘init_timer’; did you mean ‘_init_timer’? [-Werror=implicit-function-declaration]
  init_timer(ptimer);
  ^~~~~~~~~~
  _init_timer
In file included from /home/luisito/Documents/RTL8821AU_Linux_v5.2.6_21981_COEX20170206-6760.20170407/driver/rtl8821AU_WiFi_linux_v5.2.6_21981.20170407_COEX20170206-6760/include/drv_types.h:32:0,
                 from /home/luisito/Documents/RTL8821AU_Linux_v5.2.6_21981_COEX20170206-6760.20170407/driver/rtl8821AU_WiFi_linux_v5.2.6_21981.20170407_COEX20170206-6760/core/rtw_cmd.c:22:
/home/luisito/Documents/RTL8821AU_Linux_v5.2.6_21981_COEX20170206-6760.20170407/driver/rtl8821AU_WiFi_linux_v5.2.6_21981.20170407_COEX20170206-6760/include/osdep_service.h: In function ‘thread_enter’:
/home/luisito/Documents/RTL8821AU_Linux_v5.2.6_21981_COEX20170206-6760.20170407/driver/rtl8821AU_WiFi_linux_v5.2.6_21981.20170407_COEX20170206-6760/include/osdep_service.h:375:2: error: implicit declaration of function ‘allow_signal’; did you mean ‘do_signal’? [-Werror=implicit-function-declaration]
  allow_signal(SIGTERM);
  ^~~~~~~~~~~~
  do_signal
/home/luisito/Documents/RTL8821AU_Linux_v5.2.6_21981_COEX20170206-6760.20170407/driver/rtl8821AU_WiFi_linux_v5.2.6_21981.20170407_COEX20170206-6760/include/osdep_service.h: In function ‘flush_signals_thread’:
/home/luisito/Documents/RTL8821AU_Linux_v5.2.6_21981_COEX20170206-6760.20170407/driver/rtl8821AU_WiFi_linux_v5.2.6_21981.20170407_COEX20170206-6760/include/osdep_service.h:385:6: error: implicit declaration of function ‘signal_pending’; did you mean ‘timer_pending’? [-Werror=implicit-function-declaration]
  if (signal_pending(current))
      ^~~~~~~~~~~~~~
      timer_pending
/home/luisito/Documents/RTL8821AU_Linux_v5.2.6_21981_COEX20170206-6760.20170407/driver/rtl8821AU_WiFi_linux_v5.2.6_21981.20170407_COEX20170206-6760/include/osdep_service.h:386:3: error: implicit declaration of function ‘flush_signals’; did you mean ‘do_signal’? [-Werror=implicit-function-declaration]
   flush_signals(current);
   ^~~~~~~~~~~~~
   do_signal
cc1: some warnings being treated as errors
scripts/Makefile.build:330: recipe for target '/home/luisito/Documents/RTL8821AU_Linux_v5.2.6_21981_COEX20170206-6760.20170407/driver/rtl8821AU_WiFi_linux_v5.2.6_21981.20170407_COEX20170206-6760/core/rtw_cmd.o' failed
make[2]: *** [/home/luisito/Documents/RTL8821AU_Linux_v5.2.6_21981_COEX20170206-6760.20170407/driver/rtl8821AU_WiFi_linux_v5.2.6_21981.20170407_COEX20170206-6760/core/rtw_cmd.o] Error 1
Makefile:1577: recipe for target '_module_/home/luisito/Documents/RTL8821AU_Linux_v5.2.6_21981_COEX20170206-6760.20170407/driver/rtl8821AU_WiFi_linux_v5.2.6_21981.20170407_COEX20170206-6760' failed
make[1]: *** [_module_/home/luisito/Documents/RTL8821AU_Linux_v5.2.6_21981_COEX20170206-6760.20170407/driver/rtl8821AU_WiFi_linux_v5.2.6_21981.20170407_COEX20170206-6760] Error 2
make[1]: Leaving directory '/usr/src/linux-headers-4.15.0-101-generic'
Makefile:1877: recipe for target 'modules' failed
make: *** [modules] Error 2
##################################################
Compile make driver error: 2
Please check error Mesg
##################################################

似乎该文件夹中不存在文件rtw_cmd.o，因此它也失败了。

- 那么任何人都可以修复Wi-Fi 2.4GHz 和 5GHz 两个文件夹中的文件rtw_cmd.o吗？

文件夹位于以下链接中：Linux 的双频 USB 适配器 Wifi

当我打开“软件和更新”并转到设置时，有几个选项卡，其中之一是“附加驱动程序”。随着时间的推移，这已经积累了几个条目，我想把它清理掉。我怎么做？

您如何获得有关在 GUI 中显示为不工作的硬件的详细信息？

当我转到Software & Updates-> Additional Drivers->Intel Corporation: Unknown时，我看到了 message This device is not working。 截屏

Intel Corporation: Unknown
This device is not working.
[ ] Using iwlwifi driver backport in DKMS format from backport-iwlwifi-dkms (open source) *grayed out*
[ ] Continue using a manually installed driver
[x] Do not use the deivce *grayed out*

当我尝试选择唯一的非灰色选项时（继续使用手动安装的驱动程序）。我无法单击应用更改。

我安装了英特尔 AX200 卡。WiFi 和蓝牙都在工作。

uname -a
Linux ubuntu-1804-laptop 5.3.0-41-generic #33~18.04.1-Ubuntu SMP Mon Feb 17 12:51:52 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux

我目前正在使用 Ubuntu 19.10 并尝试打开“附加驱动程序”导致程序崩溃。当我从终端启动它时，我得到以下回溯：

philip@philip-hp-pavilion:/usr/bin$ 软件属性-gtk
回溯（最近一次通话最后）：
  文件“/usr/bin/software-properties-gtk”，第 37 行，在
    从 softwareproperties.gtk.SoftwarePropertiesGtk 导入 SoftwarePropertiesGtk
  文件“/usr/lib/python3/dist-packages/softwareproperties/gtk/SoftwarePropertiesGtk.py”，第 58 行，在
    从软件属性。软件属性导入软件属性
  文件“/usr/lib/python3/dist-packages/softwareproperties/SoftwareProperties.py”，第 64 行，在
    从 。导入快捷方式
  文件“/usr/lib/python3/dist-packages/softwareproperties/shortcuts.py”，第 23 行，在
    _DEF_CODENAME = aptsources.distro.get_distro().codename
  文件“/usr/lib/python3/dist-packages/aptsources/distro.py”，第 596 行，在 get_distro
    is_like = os_result.get('ID_LIKE', [])
AttributeError：“列表”对象没有属性“获取”

遗憾的是，我不知道它是如何开始的（几天前确实有效）。我想也许有些东西使用了错误的 python，但没有使用 Linux 足够长的时间来知道如何解决这个问题。

以前对这个问题的回答包含了 KXStudio ppa 来安装 wine-asio 驱动程序。但是，根据KXStudio 网站：

注意：KXStudio 项目目前处于休息状态，预计将于 2019 年晚些时候恢复正常开发。感谢您的理解。

我想知道是否有任何其他 ppa 或 Ubuntu 存储库可以让我安装 KXStudio（我知道我也可以从源代码构建，但我不知道该怎么做）。

谢谢。

我想构建和安装wil6210位于 Linux 上游的驱动器。我已经设法从这里下载了源代码。该文件夹包含Makefile另一个名为Kconfig. 当我尝试让它说：make: *** No targets. Stop.我尝试使用不同的配置文件但它们不起作用。结果如下：

elans@elans-TravelMate-P446-M:~/linux-source/wil6210$ ./configure
bash: ./configure: No such file or directory
elans@elans-TravelMate-P446-M:~/linux-source/wil6210$ ./Kconfig
bash: ./Kconfig: Permission denied
elans@elans-TravelMate-P446-M:~/linux-source/wil6210$ sudo ./Kconfig
sudo: ./Kconfig: command not found
elans@elans-TravelMate-P446-M:~/linux-source/wil6210$ make
make: *** No targets.  Stop.

以下是 的内容Makefile：

# SPDX-License-Identifier: GPL-2.0
obj-$(CONFIG_WIL6210) += wil6210.o

wil6210-y := main.o
wil6210-y += netdev.o
wil6210-y += cfg80211.o
wil6210-y += pcie_bus.o
wil6210-$(CONFIG_WIL6210_DEBUGFS) += debugfs.o
wil6210-y += wmi.o
wil6210-y += interrupt.o
wil6210-y += txrx.o
wil6210-y += debug.o
wil6210-y += rx_reorder.o
wil6210-y += fw.o
wil6210-y += pm.o
wil6210-y += pmc.o
wil6210-$(CONFIG_WIL6210_TRACING) += trace.o
wil6210-y += wil_platform.o
wil6210-y += ethtool.o
wil6210-y += wil_crash_dump.o
wil6210-y += p2p.o

# for tracing framework to find trace.h
CFLAGS_trace.o := -I$(src)

可能是什么问题？