nvidia driver unboundlocalerror local variable 'version' referenced before assignment

错误记录-2023-4

@MS-7B98:~$ sudo ubuntu-drivers autoinstall Traceback (most recent call last): File “/usr/bin/ubuntu-drivers”, line 513, in greet() File “/usr/lib/python3/dist-packages/click/core.py”, line 1128, in call return self.main(*args, **kwargs) File “/usr/lib/python3/dist-packages/click/core.py”, line 1053, in main rv = self.invoke(ctx) File “/usr/lib/python3/dist-packages/click/core.py”, line 1659, in invoke return _process_result(sub_ctx.command.invoke(sub_ctx)) File “/usr/lib/python3/dist-packages/click/core.py”, line 1395, in invoke return ctx.invoke(self.callback, **ctx.params) File “/usr/lib/python3/dist-packages/click/core.py”, line 754, in invoke return __callback(*args, **kwargs) File “/usr/lib/python3/dist-packages/click/decorators.py”, line 84, in new_func return ctx.invoke(f, obj, *args, **kwargs) File “/usr/lib/python3/dist-packages/click/core.py”, line 754, in invoke return __callback(*args, **kwargs) File “/usr/bin/ubuntu-drivers”, line 432, in autoinstall command_install(config) File “/usr/bin/ubuntu-drivers”, line 187, in command_install UbuntuDrivers.detect.nvidia_desktop_pre_installation_hook(to_install) File “/usr/lib/python3/dist-packages/UbuntuDrivers/detect.py”, line 839, in nvidia_desktop_pre_installation_hook with_nvidia_kms = version >= 470 UnboundLocalError: local variable ‘version’ referenced before assignment

办法： 这个报错看起来似乎与 Ubuntu 驱动管理器的 Nvidia 驱动程序检测有关。根据报错信息，似乎在检测 Nvidia 驱动版本时发生了错误。建议您尝试以下步骤来解决这个问题：

首先，您可以尝试更新系统并升级所有软件包到最新版本。您可以使用以下命令执行此操作： sql Copy code sudo apt update && sudo apt upgrade 如果更新软件包不起作用，请尝试更新 Nvidia 驱动程序到最新版本。您可以使用以下命令执行此操作： Copy code sudo apt install nvidia-driver 如果更新 Nvidia 驱动程序不起作用，请尝试使用 ubuntu-drivers 命令手动安装适合您的 Nvidia 驱动程序版本。您可以使用以下命令列出可用的驱动程序： Copy code ubuntu-drivers list 然后，您可以使用以下命令安装适合您的 Nvidia 驱动程序版本：

Copy code sudo ubuntu-drivers autoinstall 如果仍然遇到问题，请尝试在 Ubuntu 官方论坛或社区中寻求帮助。

@MS-7B98:~$ sudo usb_modeswitch -KW -v 0bda -p 1a2b Take all parameters from the command line

• usb_modeswitch: handle USB devices with multiple modes
• Version 2.6.1 © Josua Dietze 2017
• Based on libusb1/libusbx

! PLEASE REPORT NEW CONFIGURATIONS !

DefaultVendor= 0x0bda DefaultProduct= 0x1a2b

StandardEject=1

Look for default devices … found USB ID 1d6b:0003 found USB ID 1d6b:0002 found USB ID 0781:5567 found USB ID 174c:235c found USB ID 1d6b:0003 found USB ID 093a:2510 found USB ID 0bda:1a2b vendor ID matched product ID matched found USB ID 17ef:6018 found USB ID 1d6b:0002 found USB ID 1d6b:0003 found USB ID 1d6b:0002 Found devices in default mode (1) Access device 005 on bus 001 Get the current device configuration … Current configuration number is 1 Use interface number 0 with class 8 Use endpoints 0x0b (out) and 0x8a (in)

USB description data (for identification)

Manufacturer: realtek product: disk serial no.: not provided.

Sending standard EJECT sequence Looking for active drivers … Set up interface 0 Use endpoint 0x0b for message sending … Trying to send message 1 to endpoint 0x0b … Sending the message returned error -7. Try to continue Read the response to message 1 (CSW) … Response reading failed (error -7) Device is gone, skip any further commands -> Run lsusb to note any changes. Bye!

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Errors when trying ubuntu-drivers autoinstall ubuntu 22.04

I installed Ubuntu 22.04 LTS on an Acer Nitro 5 AN515-55 with Nvidia Geoforce GTX which worked fine for about 3 months. Yesterday I shut it off; when I powered up again, the second monitor is not recognized. Tried several ideas with no luck, so finally reinstalled the whole thing... After a few tries, I finally got the second display to be recognized by using the X.org driver.

Now when I try to move the display side in settings-Displays, after clicking on Apply, my laptop goes to the start login screen and nothing is changed. I tried to run sudo ubuntu-drivers autoinstall and see:

I installed from the same live USB stick I did originally AND updated the system a couple times (With Software updater and with console). Acer's support have not been helpful.

• multiple-monitors

• The problem is the package name with "-open" (either the 515-open or 520-open). The packages without the "-open" should still work without editing a system script to make the "-open" versions work. –  ubfan1 Commented Nov 14, 2022 at 19:31

Here's a temporary fix until it's officially decided: (taken from here https://forums.developer.nvidia.com/t/ubuntu-22-04-1-nvidia-driver-open-kernel-nvidia-driver-515-open-issue/231356 )

at line 835 change

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sudo ubuntu-drivers autoinstall: UnboundLocalError: local variable 'version' referenced before assignment

I recently re-installed my wife's XUbuntu 22 machine. Previously we used the NVidia driver package from the NVidia website, especially after a bit of a f&%k up last year where the official repo version broke due to broken dependencies.

This time I thought I would give the repo version another go, especially since my wife is scared of re-installing the graphics drivers after a kernel update - and it is a real nuisance.

As per the guide I found online I ran the command sudo ubuntu-drivers autoinstall . The result was:

I manually installed the 515 drivers repo package, but it does not seem to include the 32 bit drivers, and now Steam, among other things, doesn't work.

The reason for the error is the bug in the installer. The more detailed explanation could be found on nvidia forum . If you want to use command line for driver installation, you could run such a command to get possible driver versions:

Then you can manually choose the version you want from the list, but use it without -open at the end (this is the reason for the error). So, instead of nvidia-driver-515-open use nvidia-driver-515 and run:

Had the same issue, fixed it by installing the driver from "Software & Updates" -> "Additional Drivers" & then the newest Nvidia Driver. After that running sudo ubuntu-driver autoinstall gave me "All the available drivers are already installed."

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UnboundLocalError: local variable 'bpmp_dtb' referenced before assignment

Dear Forum,

I followed the instruction in Jetson Orin NX and Nano Series — Jetson Linux Developer Guide documentation to update the pinmux for my custom carrier board with Jetson Orin NX 8GB on top:

<SDK_install>/JetPack_5.1.2_Linux_JETSON_ORIN_NX_TARGETS/Linux_for_Tegra/bootloader/t186ref/BCT/tegra234-l4es-orin-nx-mb1-bct–padvoltage-default-camera-nx.dtsi <SDK_install>/JetPack_5.1.2_Linux_JETSON_ORIN_NX_TARGETS/Linux_for_Tegra/bootloader/t186ref/BCT/tegra234-l4es-orin-nx-mb1-bct-pinmux-camera-nx.dtsi <SDK_install>/JetPack_5.1.2_Linux_JETSON_ORIN_NX_TARGETS/Linux_for_Tegra/bootloader/tegra234-l4es-orin-nx-mb1-bct-gpio-default-camera-nx.dtsi

<SDK_install>/JetPack_5.1.2_Linux_JETSON_ORIN_NX_TARGETS/Linux_for_Tegra/bootloader//tegra234-l4es-orin-nx-mb2-bct-misc-p3767-0001-camera-nx.dts :

And : <SDK_install>/JetPack_5.1.2_Linux_JETSON_ORIN_NX_TARGETS/Linux_for_Tegra/l4es-camera-nx+p3767.conf

However, while running the flash command : sudo ./tools/kernel_flash/l4t_initrd_flash.sh --external-device nvme0n1p1 -c tools/kernel_flash/flash_l4t_external.xml -p "-c bootloader/t186ref/cfg/flash_t234_qspi.xml" --showlogs --network usb0 l4es-camera-nx+p3767 internal

I got following error :

If I replace

then the flashing goes smoothly but of course my changes will not be applied.

Could you help to identify what is the missing configuration, please ?

Thanks and best regards, Khang

Dump the full log, please. Mostly that’s because some files contain spaces in their file names, so argument parsing fails.

Hi @DaveYYY ,

It turns out that I put the MB2_BCT file (tegra234-l4es-orin-nx-mb2-bct-misc-p3767-0001-camera-nx.dts) in a wrong location : <SDK_install>/JetPack_5.1.2_Linux_JETSON_ORIN_NX_TARGETS/Linux_for_Tegra/ bootloader /tegra234-l4es-orin-nx-mb2-bct-misc-p3767-0001-camera-nx.dts , it should be found in <SDK_install>/JetPack_5.1.2_Linux_JETSON_ORIN_NX_TARGETS/Linux_for_Tegra/ bootloader / t186ref / BCT /tegra234-l4es-orin-nx-mb2-bct-misc-p3767-0001-camera-nx.dts

Best Regards, Khang

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My pc hang if choose nvidia (open kernel) metapackage from nvidia-515-open (propietery,tested) #394

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