An Error Is Reported During Driver Installation

Problem 1

Symptom: An error message similar to the following is displayed when you run the command to install the driver.

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[ERROR]The list of missing tools: lspci,ifconfig

Possible cause: The lspci and ifconfig command tools are missing.

Solution:

Perform the installation.

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apt-get install -y net-tools pciutils

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yum install -y net-tools pciutils

The ifconfig command is contained in the net-tools installation package, and the lspci command is contained in the pciutils installation package.

Problem 2

Symptom:

An error message similar to the following is displayed during the driver installation.

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[ERROR]Dkms install failed, details in : /var/log/ascend_seclog/ascend_install.log. 
[ERROR]Driver_ko_install failed, details in : /var/log/ascend_seclog/ascend_install.log.

Possible Causes:

• Due to the DKMS problem, DKMS-related files remain after the driver compilation fails.
• The driver fails to be compiled due to the GCC version.

Solution:

1. Go to the /var/lib/dkms directory.

   1	cd /var/lib/dkms

2. Delete the davinci_ascend directory.

   1	rm -rf davinci_ascend

3. Reinstall the driver. If the error persists, perform the following operations:
   The following uses GCC 7.3.0 as an example. Run the following command to create a soft link to control the GCC version. For other GCC versions, replace it with the actual installation path.

   1. Back up the soft link of the old version.

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      mv /usr/bin/gcc /usr/bin/gcc.bak mv /usr/bin/g++ /usr/bin/g++.bak mv /usr/bin/c++ /usr/bin/c++.bak mv /usr/bin/cc /usr/bin/cc.bak

   2. Create a soft link for the new version.

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      ln -s /usr/local/gcc7.3.0/bin/gcc /usr/bin/gcc ln -s /usr/local/gcc7.3.0/bin/g++ /usr/bin/g++ ln -s /usr/local/gcc7.3.0/bin/c++ /usr/bin/c++ ln -s /usr/local/gcc7.3.0/bin/gcc /usr/bin/cc