On Sat, Nov 03, 2012 at 07:52:20PM +0000, Eddie Chapman wrote: > On 3.6.5 my rt2800usb adapter's speeds (measured downloading a file > on the my LAN with wget) dropped down to around 900 Kbyte/s from the > usual approx. 4 Mbyte/s. Also some packet loss and latency spikes. > Nothing unusual reported in dmesg. > > Rebooting back into 3.6.4 with identical .config and the problem goes away. > > So I reversed the following 4 patches introduced in 3.6.5: > > Felix Fietkau: > mac80211: use ieee80211_free_txskb in a few more places > > Johannes Berg: > mac80211: connect with HT20 if HT40 is not permitted > > Stanislaw Gruszka: > mac80211: check if key has TKIP type before updating IV > cfg80211/mac80211: avoid state mishmash on deauth > > rebuilt 3.6.5, rebooted into it, and speeds back to normal. > > Sorry can't be more specific, didn't have enough time to revert each > one individually to find out which one caused the regression. > Though if anyone would really like me to find out let me know.
I would, if you could narrow this down to one patch, that would be great. Also, copying the wireless developers on the email about this, would be best, there's nothing that the stable tree developers can do about this on their own. And, can you also test 3.7-rc4, to ensure that the problem isn't there as well? thanks, greg k-h -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
