On Wed, 2015-09-30 at 13:02 -0400, Josh Boyer wrote: > Hi Johannes, > > We've seen a handful of reports that seem to have verbose output from > the ieee80211_config_bw function in net/mac80211/mlme.c. It looks > similar to this: > > [ 66.578652] wlp3s0: AP xx:xx:xx:xx:xx changed bandwidth, new config > is 2437 MHz, width 2 (2447/0 MHz) > [ 68.522437] wlp3s0: AP xx:xx:xx:xx:xx changed bandwidth, new config > is 2437 MHz, width 1 (2437/0 MHz) > Essentially, this looks like the AP is changing the bandwidth (and > only the width) every second or so. Why it is doing this, I'm not > sure. However, this doesn't seem to actually be an error case yet the > kernel logs are getting spammed with this message. > > I'm wondering if we could either change this message to use sdata_dbg > instead of sdata_info, or if we could possibly ratelimit it somehow. > I'd be happy to come up with a patch for either, but I wanted to get > your feedback on it before I started. Do you have any objections or > preference? > I'm not sure ratelimiting it would even work - it's not *that* high frequency? Not really sure though. I think we can do either, it's not such a terribly important message as far as I can tell. johannes -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
