On Mon, 2011-03-07 at 12:42 +0100, Michael Buesch wrote: > On Mon, 2011-03-07 at 10:51 +0100, Johannes Berg wrote: > > On Sun, 2011-03-06 at 21:25 +0100, Michael Buesch wrote: > > > I just noticed the following warning on my p54spi device > > > with compat-wireless-2011-02-25 (OpenWrt): > > > > > > > > [ 1182.826599] WARNING: at net/mac80211/scan.c:310 ieee80211_rx_bss_free+0x20c/0x4b8 [mac80211]() > > > > Unfortunately the backtrace gives no hint at all, is it possible that > > there was an ifdown that canceled the scan? > > I don't think there was an ifdown. Ok > It seems that it happened right after a regulatory > update. See printk timestamps in the full kernel log: > [ 1182.269927] cfg80211: Calling CRDA for country: DE > [ 1182.369659] cfg80211: Regulatory domain changed to country: DE > [ 1182.376586] cfg80211: (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp) > [ 1182.386138] cfg80211: (2400000 KHz - 2483500 KHz @ 40000 KHz), (N/A, 2000 mBm) > [ 1182.395385] cfg80211: (5150000 KHz - 5250000 KHz @ 40000 KHz), (N/A, 2000 mBm) > [ 1182.404449] cfg80211: (5250000 KHz - 5350000 KHz @ 40000 KHz), (N/A, 2000 mBm) > [ 1182.413146] cfg80211: (5470000 KHz - 5725000 KHz @ 40000 KHz), (N/A, 2698 mBm) > [ 1182.821472] ------------[ cut here ]------------ > [ 1182.826599] WARNING: at /home/mb/develop/svn/openwrt_n810/trunk/build_dir/linux-omap24xx/compat-wireless-2011-02-25/net/mac80211/scan.c:310 ieee80211_rx_bss_free+0x20c/0x4b8 [mac80211]() It's still almost half a second, and the regulatory update was because you connected to an AP that had a country IE. It could be related, but I doubt it. 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
