Após atualizar dois laptops para o 17.04 (um Acer TravelMate e um antigo HP Pavilion), o wifi em um deles (HP) acelera o trabalho.
Saída do lspci -v inclui
09:00.1 Network controller: Ralink corp. RT3290 Wireless 802.11n 1T/1R PCIe
Device name:
Subsystem: Hewlett-Packard Company Ralink RT3290LE 802.11bgn 1x1 Wi-Fi and Bluetooth 4.0 Combo Adapter
Flags: bus master, fast devsel, latency 0, IRQ 16
Memory at b25100000 (32-bit, non-prefetchable) [size=64K]
Capabilities: [40] Power Management version 3
Capabilities: [50] MSI: Enable- Count=1/32 Maskable- 64bit+
Capabilities: [70] Express Endpoint, MSI 00
Capabilities: [100] Advanced Error Reporting
Capabilities: [140] Device Serial Number 00-00-6f-42-bb-8f-8e-c4
Kernel drive in use: rt2800pci
Kernel modules: rt2800pci
Eu já tentei reiniciar o serviço network-manager e "ifconfig wlo1 down" / "up", mas isso produz um erro "SIOCSIFFLAGS: Input / output error" ..
Obrigado pela sua ajuda, se você puder sugerir algo.