On Fri, May 12, 2017 at 11:58:30AM +0200, Stefan Sperling wrote: > On Fri, May 12, 2017 at 10:30:27AM +0100, Caolan McMahon wrote: > > I'm seeing very slow wireless networking speeds on OpenBSD 6.1 using > > the iwm driver. > > > > $ dmesg | grep iwm0 > > iwm0 at pci2 dev 0 function 0 "Intel Dual Band Wireless AC 7265" rev 0x59, > > msi > > iwm0: hw rev 0x210, fw ver 16.242414.0, address 60:57:18:91:f1:86 > > > > I struggle to get more than ~30-40kb/s download speed. Running Linux > > on the same machine and network I could easily get 1mb/s or more. I've > > also noticed the network will appear to hang for seconds at a time, > > without pages loading in the browser. > > > > I found some posts on this list from November 2016 which seem to > > describe a similar problem with the driver in OpenBSD 6.0, but > > according to that the fixes should be available in OpenBSD 6.1. > > > > Wired networking works fine. > > > > Is there anything I can try on OpenBSD 6.1 before having to re-test on > > -current? > > > > Thanks, > > > > Caolan > > > > Please test -current. > > Or you could try the following diffs on a 6.1 source tree but I have > not tested that and don't want to support it, so you are on your own. > https://marc.info/?l=openbsd-tech&m=149399149502787&q=raw > https://marc.info/?l=openbsd-tech&m=149399299003411&q=raw
Come to think of it, an easy workaround might be to disable 11n mode: ifconfig iwm0 mode 11g That should make it work in 6.1. 11g has better range than 11n in 6.1 (the first patch above addresses this). You are probably far away from the AP, right?
