On Thu, Jul 12, 2018 at 06:57:43PM +0000, Mike Coddington wrote: > I've got a Thinkpad X220 and have experienced a similar issue. My > machine uses the iwn(4) driver, but I have also seen the same behavior > with a cheapo USB wireless dongle that I plug in. This is mainly useless > information, but here is what I am wondering: does this problem occur > for you when you connect to other access points? My connectivity issue only > crops up at my office's access point. Things work great at home and on > the bus. You may want to try and connect to some other public wifi networks > and see if the problem is the same for you. I also noticed that I could > *CONNECT* to the access point fine, but only ARPs would make it to my > machine. Maybe do some tcpdump work and see if your problem is similar. > > I haven't really spent a whole heck of a lot of time troubleshooting my > own problem because I can connect via a wired connection. However, > hopefully my experience gets you headed in the right direction.
I get very poor signal on a ThinkPad X220. It works at max 3 meters away from the router. After that, almost 100% packet loss. The AP doesn't matter. However, it is not OpenBSD-related: https://forums.lenovo.com/t5/ThinkPad-X-Series-Laptops/X220-wifi-very-poor-performance/td-p/484303 ThinkPad T420 works great with iwn(4). -- db