> on channel 8(+4), 4.19 typically performed on par with -32 and older. apparently only because of some fluke. the router switched to 4(+8) some time in the past couple of days, and the newer kernels are certainly sucking hard on that too:
--- Linux brix 4.15.0-32-generic #35~16.04.1-Ubuntu SMP Fri Aug 10 21:54:34 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux Current Frequency:2.427 GHz (Channel 4) Link Quality=70/70 Signal level=-36 dBm Sun 07-Oct-18 03:30 429,840,384 100% 9.00MB/s 0:00:45 (xfr#1, to-chk=0/1) sent 429,945,420 bytes received 35 bytes 9,449,350.66 bytes/sec --- Linux brix 4.15.0-36-generic #39~16.04.1-Ubuntu SMP Tue Sep 25 08:59:23 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux Current Frequency:2.427 GHz (Channel 4) Link Quality=64/70 Signal level=-46 dBm Sun 07-Oct-18 05:05 429,840,384 100% 6.46MB/s 0:01:03 (xfr#1, to-chk=0/1) sent 429,945,420 bytes received 35 bytes 6,665,821.01 bytes/sec --- this is a major regression. is there any activity on it upstream? i can't imagine it's ALL wifi, or people would be screaming for blood, but it would be good to at least get it in front of larry finger (the rtl driver author) as a starting point. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1795116 Title: large performance regression (~20-40%) in wifi with 4.15.0-33 and later To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1795116/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs