Date: Wed, 1 Nov 2023 11:09:51 -0400 From: Laurent Cimon <laurent@nilio.ca> To: "Bjoern A. Zeeb" <bzeeb-lists@lists.zabbadoz.net> Cc: freebsd-wireless@freebsd.org Subject: Re: ALFA RTL8812au connection is unstable. Message-ID: <294a97b7-09df-ba92-2333-0d2ae3f7440d@nilio.ca> In-Reply-To: <p6o15p77-psr4-n703-sqo1-p5642s68p097@yvfgf.mnoonqbm.arg> References: <a6fd5ab2-4028-7538-1509-ee6e888b7ab0@nilio.ca> <p6o15p77-psr4-n703-sqo1-p5642s68p097@yvfgf.mnoonqbm.arg>
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On 11/1/23 09:53, Bjoern A. Zeeb wrote: > On Wed, 1 Nov 2023, Laurent Cimon wrote: > >> Hello, >> >> I have an RTL8812au card on FreeBSD 14.0-STABLE and the connection is >> very unstable. >> For example, when downloading packages with pkg, the download rate >> goes down to 0 >> for a few seconds, then goes up not above 2MB/s for a few seconds, >> it's often under 500KB/s >> and often does not last longer than a second or so, then goes back to >> 0 for a few seconds. >> >> I haven't felt this instability when browsing the web or pinging, it >> seems to happen during longer connections. > > How many networks are in your neighbourhood? > > ifconfig wlan0 list scan > > will tell to some degree. > > /bz > > > >> Here are some system information. I've tried changing a few tunables >> but nothing changed. >> >> root@JOY# sysctl -a | grep rtwn >> rtwn0 on uhub3 >> rtwn0: <Realtek 802.11n NIC, class 0/0, rev 2.00/0.00, addr 2> on usbus5 >> rtwn0: MAC/BB RTL8812AU, RF 6052 2T2R >> <118> parent interface: rtwn0 >> net.wlan.0.%parent: rtwn0 >> net.wlan.devices: rtwn0 >> value: /boot/kernel/rtwn-rtl8812aufw.ko >> value: /boot/kernel/if_rtwn_usb.ko >> value: /boot/kernel/rtwn.ko >> dev.rtwn.0.rx_buf_size: 48 >> dev.rtwn.0.ratectl_selected: 1 >> dev.rtwn.0.ratectl: 2 >> dev.rtwn.0.hwcrypto: 1 >> dev.rtwn.0.debug: 0 >> dev.rtwn.0.ht40: 0 >> dev.rtwn.0.%parent: uhub3 >> dev.rtwn.0.%pnpinfo: vendor=0x0bda product=0x8812 devclass=0x00 >> devsubclass=0x00 devproto=0x00 sernum="123456" release=0x0000 >> mode=host intclass=0xff intsubclass=0xff intprotocol=0xff >> dev.rtwn.0.%location: bus=5 hubaddr=1 port=2 devaddr=2 interface=0 >> ugen=ugen5.2 >> dev.rtwn.0.%driver: rtwn >> dev.rtwn.0.%desc: Realtek 802.11n NIC, class 0/0, rev 2.00/0.00, addr 2 >> dev.rtwn.%parent: >> >> Thank you, >> Laurent >> >> > ifconfig wlan0 list scan shows 8 including mine. Laurent
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