检测到iwlwifi Wifi Microcode SW错误（Ubuntu 18.04 x64）

我可以连接到我的家庭wifi网络。 但是，互联网浏览速度非常慢。

有趣的是，我可以从我的Windows机器连接到同一个网络，我没有看到任何速度问题。 看来这个Ubuntu具体问题。

我的Ubuntu笔记本电脑采用Intel®双频无线-AC 3168.我在网上进行了一些研究，发现这个问题可能与linux固件有关。 我使用的是v29.1044073957.0。

但仍不确定问题是什么。

我运行了生成此报告的无线信息工具。

报告显示一些错误： –

[ 213.909410] iwlwifi 0000:02:00.0: Microcode SW error detected. Restarting 0x2000000. [ 213.909528] iwlwifi 0000:02:00.0: Start IWL Error Log Dump: [ 213.909530] iwlwifi 0000:02:00.0: Status: 0x00000100, count: 6 [ 213.909532] iwlwifi 0000:02:00.0: Loaded firmware version: 29.1044073957.0 [ 213.909534] iwlwifi 0000:02:00.0: 0x00000084 | NMI_INTERRUPT_UNKNOWN [ 213.909535] iwlwifi 0000:02:00.0: 0x00800634 | trm_hw_status0 [ 213.909537] iwlwifi 0000:02:00.0: 0x00000000 | trm_hw_status1 [ 213.909538] iwlwifi 0000:02:00.0: 0x00043D54 | branchlink2 [ 213.909539] iwlwifi 0000:02:00.0: 0x0004AFA6 | interruptlink1 [ 213.909541] iwlwifi 0000:02:00.0: 0x00024558 | interruptlink2 [ 213.909542] iwlwifi 0000:02:00.0: 0x00000000 | data1 [ 213.909544] iwlwifi 0000:02:00.0: 0x00000080 | data2 [ 213.909545] iwlwifi 0000:02:00.0: 0x07030000 | data3 [ 213.909547] iwlwifi 0000:02:00.0: 0x0E80A919 | beacon time [ 213.909548] iwlwifi 0000:02:00.0: 0xF5FB26E5 | tsf low [ 213.909549] iwlwifi 0000:02:00.0: 0x00000033 | tsf hi [ 213.909551] iwlwifi 0000:02:00.0: 0x00000000 | time gp1 [ 213.909552] iwlwifi 0000:02:00.0: 0x00C099B8 | time gp2 [ 213.909554] iwlwifi 0000:02:00.0: 0x00000001 | uCode revision type [ 213.909555] iwlwifi 0000:02:00.0: 0x0000001D | uCode version major [ 213.909557] iwlwifi 0000:02:00.0: 0x3E3B4DE5 | uCode version minor [ 213.909558] iwlwifi 0000:02:00.0: 0x00000220 | hw version [ 213.909559] iwlwifi 0000:02:00.0: 0x00C89200 | board version [ 213.909561] iwlwifi 0000:02:00.0: 0x0ABD001C | hcmd [ 213.909562] iwlwifi 0000:02:00.0: 0xA4022002 | isr0 [ 213.909564] iwlwifi 0000:02:00.0: 0x00000000 | isr1 [ 213.909565] iwlwifi 0000:02:00.0: 0x0000000A | isr2 [ 213.909566] iwlwifi 0000:02:00.0: 0x004028C5 | isr3 [ 213.909568] iwlwifi 0000:02:00.0: 0x00000000 | isr4 [ 213.909569] iwlwifi 0000:02:00.0: 0x0503001C | last cmd Id [ 213.909571] iwlwifi 0000:02:00.0: 0x00000000 | wait_event [ 213.909572] iwlwifi 0000:02:00.0: 0x00000080 | l2p_control [ 213.909573] iwlwifi 0000:02:00.0: 0x00012030 | l2p_duration [ 213.909575] iwlwifi 0000:02:00.0: 0x0000003F | l2p_mhvalid [ 213.909576] iwlwifi 0000:02:00.0: 0x00000080 | l2p_addr_match [ 213.909578] iwlwifi 0000:02:00.0: 0x00000007 | lmpm_pmg_sel [ 213.909579] iwlwifi 0000:02:00.0: 0x03041751 | timestamp [ 213.909580] iwlwifi 0000:02:00.0: 0x00342028 | flow_handler 

完整报告：

我在这里上传了它

输出sudo dpkg -s linux-firmware

 Package: linux-firmware Status: install ok installed Priority: optional Section: misc Installed-Size: 271097 Maintainer: Ubuntu Kernel Team  Architecture: all Multi-Arch: foreign Version: 1.173.1 Replaces: atmel-firmware, linux-firmware-snapdragon (<= 1.2-0ubuntu1), linux-restricted-common Provides: atmel-firmware Breaks: linux-firmware-snapdragon (<= 1.2-0ubuntu1) Conflicts: atmel-firmware Description: Firmware for Linux kernel drivers This package provides firmware used by Linux kernel drivers.