Date: Wed, 1 Nov 2023 01:56:15 -0400 From: Laurent Cimon <laurent@nilio.ca> To: freebsd-wireless@freebsd.org Subject: ALFA RTL8812au connection is unstable. Message-ID: <a6fd5ab2-4028-7538-1509-ee6e888b7ab0@nilio.ca>
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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. 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
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