升级到 Ubuntu 22.04 beta 后 Wi-Fi 速度变慢

升级到 Ubuntu 22.04 beta 后 Wi-Fi 速度变慢

我之前使用的是 Ubuntu 21.10,WiFi 连接速度很快(超过 100Mbps)。升级到 Ubuntu 22.04(测试版)后,速度变得非常慢(最高 12Mbps)。

以下是输出sudo lshw -C network

  *-network
       description: Wireless interface
       product: AR93xx Wireless Network Adapter
       vendor: Qualcomm Atheros
       physical id: 0
       bus info: pci@0000:04:00.0
       logical name: wlp4s0
       version: 01
       serial: 18:d6:c7:1b:67:98
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress bus_master cap_list rom ethernet physical wireless
       configuration: broadcast=yes driver=ath9k driverversion=5.15.0-25-generic firmware=N/A ip=192.168.1.16 latency=0 link=yes multicast=yes wireless=IEEE 802.11
       resources: irq:18 memory:f7100000-f711ffff memory:f7120000-f712ffff

任何想法?

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