(cc linux-wireless & Lorenzo) On Fri, Jan 03, 2020 at 12:19:20AM +0000, Daniel Similä wrote: > Bus 001 Device 005: ID 148f:761a Ralink Technology, Corp. MT7610U ("Archer T2U" 2.4G+5G WLAN Adapter > > Driver is mt76x0u > Wifi is 5GHz ~260Mb > > while doing: > nice make -j16 > > Pinging my router goes from: > ping _gateway > PING _gateway (192.168.0.1) 56(84) bytes of data. > 64 bytes from _gateway (192.168.0.1): icmp_seq=1 ttl=64 time=1.20 ms > 64 bytes from _gateway (192.168.0.1): icmp_seq=2 ttl=64 time=1.02 ms > 64 bytes from _gateway (192.168.0.1): icmp_seq=3 ttl=64 time=2.12 ms > 64 bytes from _gateway (192.168.0.1): icmp_seq=4 ttl=64 time=1.32 ms > 64 bytes from _gateway (192.168.0.1): icmp_seq=5 ttl=64 time=2.04 ms > 64 bytes from _gateway (192.168.0.1): icmp_seq=6 ttl=64 time=1.31 ms > 64 bytes from _gateway (192.168.0.1): icmp_seq=7 ttl=64 time=1.71 ms > 64 bytes from _gateway (192.168.0.1): icmp_seq=8 ttl=64 time=0.903 ms > 64 bytes from _gateway (192.168.0.1): icmp_seq=9 ttl=64 time=1.00 ms > 64 bytes from _gateway (192.168.0.1): icmp_seq=10 ttl=64 time=1.42 ms > 64 bytes from _gateway (192.168.0.1): icmp_seq=11 ttl=64 time=1.15 ms > > to unusable: > > ping _gateway > PING _gateway (192.168.0.1) 56(84) bytes of data. > 64 bytes from _gateway (192.168.0.1): icmp_seq=1 ttl=64 time=167 ms > 64 bytes from _gateway (192.168.0.1): icmp_seq=3 ttl=64 time=306 ms > 64 bytes from _gateway (192.168.0.1): icmp_seq=4 ttl=64 time=255 ms > 64 bytes from _gateway (192.168.0.1): icmp_seq=6 ttl=64 time=253 ms > 64 bytes from _gateway (192.168.0.1): icmp_seq=8 ttl=64 time=84.7 ms > 64 bytes from _gateway (192.168.0.1): icmp_seq=9 ttl=64 time=522 ms > 64 bytes from _gateway (192.168.0.1): icmp_seq=10 ttl=64 time=211 ms > 64 bytes from _gateway (192.168.0.1): icmp_seq=11 ttl=64 time=304 ms > 64 bytes from _gateway (192.168.0.1): icmp_seq=15 ttl=64 time=2825 ms > 64 bytes from _gateway (192.168.0.1): icmp_seq=16 ttl=64 time=1812 ms > 64 bytes from _gateway (192.168.0.1): icmp_seq=17 ttl=64 time=799 ms > > Running kernel 5.4.6-arch3-1 > CPU is Amd 2700X and ram is 16GB I think this should be fixed by 5.5 commit: commit 284efb473ef5f02a7f2c13fdf8d516ecc589bdf1 Author: Lorenzo Bianconi <lorenzo@xxxxxxxxxx> Date: Mon Oct 28 17:38:05 2019 +0100 mt76: mt76u: rely on a dedicated stats workqueue and if it indeed fixes the problem, this commit should be requested to stable. Stanislaw