如何修复 Ubuntu 18.04.5 LTS 以太网控制器 1 Gbps 适配器现在仅限于 100 Mpbs 下载速度？

Question

BIOS

HP Omen 15-dc1057nr

您的 BIOS 版本为 F.12（或 F.13）。

有较新的 BIOS 可用，版本 F.18 Rev.A，日期为 2020 年 8 月 3 日，可以下载这里。

注意：确认我拥有适合您型号的正确网页。

注意：更新 BIOS 之前请做好备份。

注意：BIOS 回滚文档是这里。

以太网

让我们尝试不同的以太网驱动程序。

sudo apt-get update

sudo apt-get install dkms r8168-dkms

reboot

重新测试下载速度。

更新＃1：

千兆速度需要 Ubuntu 20.04.1 和 BIOS 更新至 F.18。

更新 #2：

#!/bin/sh

# https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1779817
#
# Attached is a work-around for the in-kernel driver that is as unhacky as I can make it.

# filename: r8169_disable_msi

# Drop it in /etc/initramfs-tools/scripts/init-top and chmod a+x it. Add 'r8169_disable_msi'
# to your kernel command line (/etc/default/grub, GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"
# usually.) 

# Remember to update-initramfs and update-grub as necessary.

# sudo update-initramfs -c -k $(uname -r)
# sudo update-grub
# reboot

# For the moment it disables MSI on everything with the ID 0x10ec:0x8168, as there seems to
# be no way to get the MAC version from userspace - and certainly not before the driver is
# loaded. Other PCI IDs may need adding..

# Still hoping we can cherry pick the in-driver workaround for bionic...?

PREREQ=""
prereqs()
{
    echo "$PREREQ"
}
case $1 in
# get pre-requisites
prereqs)
    prereqs
    exit 0
    ;;
esac

disable_msi () {
    for i in /sys/bus/pci/devices/*; do 
        if [ $(cat $i/vendor) = "0x10ec" -a $(cat $i/device) = "0x8168" ]; then
            echo 0 >$i/msi_bus
        fi
    done
}

for x in $(cat /proc/cmdline); do
        case ${x} in
        r8169_disable_msi)
        disable_msi
        break
                ;;
        esac
done

Answer 1