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更新至内核 4.10 / 4.11 后无 wifi - Ubuntu 14.04

tag-icon • tag-icon 14.04 networking wireless kernel updates
更新至内核 4.10 / 4.11 后无 wifi - Ubuntu 14.04

dmesg | grep iwl我的 wifi 在内核 4.10 / 4.11 下无法正常工作。以下是内核 4.11 下的输出

[    2.307045] iwlwifi 0000:02:00.0: Direct firmware load for iwlwifi-7260-17.ucode failed with error -2
[    2.307049] iwlwifi 0000:02:00.0: no suitable firmware found!

以下是内核 4.4 的输出 - wifi 功能正常

[    1.786652] iwlwifi 0000:02:00.0: Direct firmware load for iwlwifi-7260-17.ucode failed with error -2
[    1.796735] iwlwifi 0000:02:00.0: loaded firmware version 16.242414.0 op_mode iwlmvm
[    1.901462] iwlwifi 0000:02:00.0: Detected Intel(R) Wireless N 7260, REV=0x144
[    1.901553] iwlwifi 0000:02:00.0: L1 Enabled - LTR Enabled
[    1.901848] iwlwifi 0000:02:00.0: L1 Enabled - LTR Enabled
[    2.120085] ieee80211 phy0: Selected rate control algorithm 'iwl-mvm-rs'
[    2.125075] iwlwifi 0000:02:00.0 wlan1: renamed from wlan0
[    2.952782] iwlwifi 0000:02:00.0: L1 Enabled - LTR Enabled
[    2.953034] iwlwifi 0000:02:00.0: L1 Enabled - LTR Enabled
[    3.157418] iwlwifi 0000:02:00.0: L1 Enabled - LTR Enabled
[    3.157678] iwlwifi 0000:02:00.0: L1 Enabled - LTR Enabled
[    3.760611] iwlwifi 0000:02:00.0 wlan1: disabling HT as WMM/QoS is not supported by the AP
[    3.760615] iwlwifi 0000:02:00.0 wlan1: disabling VHT as WMM/QoS is not supported by the AP

有什么建议可以解决这个问题吗？

答案1

您可以使用以下方式安装缺失的固件 

cd /lib/firmware
sudo wget https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/plain/iwlwifi-7260-17.ucode

然后重启进入内核 4.10

iwlwifi-7260-17.ucode 文件不在 14.04 的 linux-firmware 包中

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