On 04/12/20 09:19PM, Larry Finger wrote: > On 12/3/20 5:31 AM, Pratyush Yadav wrote: > > Hi, > > > > I have the Realtek RTL8723BE wireless network adapter on my laptop: > > > > $ lspci | grep -i wireless > > 08:00.0 Network controller: Realtek Semiconductor Co., Ltd. RTL8723BE PCIe Wireless Network Adapter > > > > running kernel version "5.9.10-arch1-1". > > > > I am seeing some strange behavior on it for some time now. When I power > > on my router and connect to it, I get the full download speed for about > > an hour or so. After that the speed throttles to around 60-70 KB/s. > > Other devices connected to the router continue work at full speed. > > > > If I power cycle the router, it again works at full speed for about an > > hour or two and then throttles back to around 60-70 KB/s. > > > > Has anybody ever seen any problem like this? Any fixes for this? Or at > > least any pointers to where I can start looking in the driver source? > > > > Any help would be appreciated because this is quite annoying having to > > restart the router every hour or so. > > What router and software version? It is from an obscure manufacturer called "SyroTech". I can't find any info on the software on the web or on the manual. > Does unloading/reloading rtl8723be fix the problem without resetting the router? No. > I tried the rtl8723be connecting to a Netgear WNDR4500. The starting > speedtest.net speeds of 45 Mbps down and 12 Mbps up were maintained for 10 > hours. The up speed is the maximum for my broadband connection. The > interface had 2 disconnects for reason 3, but it reconnected automatically. Turning off power saving in NetworkManager and loading rtl8723be with options "ips=0 swlps=0 fwlps=0" seems to have fixed the problem over a couple days of testing. > Larry -- Regards, Pratyush Yadav
