Re: [Bug 213621] WIFI connection is lost periodically on ath0

On 10/22/16 13:30, bugzilla-nore...@freebsd.org wrote: https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=213621 --- Comment #12 from Adrian Chadd --- Hiya, So the beacon miss / TSFOOR is the driver side. I can go take another look at fixing that up. The CCMP replay attack

[Bug 213621] WIFI connection is lost periodically on ath0

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=213621 --- Comment #15 from Sergey --- Something new in dmesg: ath0: ath_tx_aggr_comp_aggr: AR5416 bug: hasba=0; txok=1, isaggr=1, seq_st=3882 Q1[ 0] (nseg=2) (DS.V:0xfe01b3125700 DS.P:0xbfe3f700) I: 168cc117

[Bug 213621] WIFI connection is lost periodically on ath0

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=213621 --- Comment #14 from Sergey --- Hello. I haven't seen those replays before, only yesterday, due to the messages file it happened at 15:48 and 21:59. That's it. -- You are receiving this mail because: You are the

[Bug 213621] WIFI connection is lost periodically on ath0

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=213621 --- Comment #11 from Sergey --- But I already have -bgscan disabled in rc.conf and powersave mode seems to be turned off: $ ifconfig -v wlan0 | grep -i power AES-CCM 3:128-bit powersavemode OFF

[Bug 213621] WIFI connection is lost periodically on ath0

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=213621 --- Comment #10 from Adrian Chadd --- Yeah, that's a beacon miss. I'm not sure why that is yet. You can try -bgscan -powersave just to enforce things, but I don't know if it's going to help all that much. The PN

[Bug 213621] WIFI connection is lost periodically on ath0

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=213621 --- Comment #9 from Sergey --- Got another portion of messages after "disconnection" wlan0: beacon miss, mode STA state RUN wlan0: send probe req on channel 9 bssid a0:f3:c1:46:1a:f3 ssid "KPECT" wlan0: beacon miss,

[Bug 213621] WIFI connection is lost periodically on ath0

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=213621 --- Comment #8 from Sergey --- Adrian, Do you have any thoughts about how can I fix the problem ? -- You are receiving this mail because: You are the assignee for the bug.

[Bug 213621] WIFI connection is lost periodically on ath0

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=213621 --- Comment #7 from Adrian Chadd --- God damnit, okay. So it /looks/ like a single bit corruption of the RSC, which causes the AES-CCM code to consider everything afterwards to be a replay attack. ie:

[Bug 213621] WIFI connection is lost periodically on ath0

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=213621 --- Comment #6 from Sergey --- wlan0: _ieee80211_crypto_delkey: NONE keyix 65535 flags 0x3 rsc 0 tsc 0 len 0 wlan0: _ieee80211_crypto_delkey: AES-CCM keyix 1 flags 0x106 rsc 0 tsc 0 len 16 wlan0: [a0:f3:c1:46:1a:f3]

[Bug 213621] WIFI connection is lost periodically on ath0

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=213621 --- Comment #5 from Adrian Chadd --- hi, can you capture the whole dmesg from association to disconnects? I'd like to see what's going on the whole time. Thanks! -adrian -- You are receiving this mail because: You

[Bug 213621] WIFI connection is lost periodically on ath0

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=213621 --- Comment #4 from Sergey --- Another excerpt from dmesg: wlan0: ieee80211_sta_ps_timer_check: lastdata=18446744071562136372, ticks=18446744071562137461 wlan0: ieee80211_sta_ps_timer_check:

[Bug 213621] WIFI connection is lost periodically on ath0

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=213621 --- Comment #3 from Sergey --- Hi Adrian. Below is what I got. Up till TSFOOR line in dmesg is what came out when the link disapperared. Starting from 'wlan0: _ieee80211_crypto_delkey: NONE keyix 65535 flags 0x3 rsc

[Bug 213621] WIFI connection is lost periodically on ath0

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=213621 --- Comment #2 from Sergey --- (In reply to Adrian Chadd from comment #1) Hi Adrian. Now there's nothing more than this: wlan0: Ethernet address: f8:1a:67:09:d2:7b wlan0: link state changed to UP wlan0: link state

[Bug 213621] WIFI connection is lost periodically on ath0

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=213621 Adrian Chadd changed: What|Removed |Added CC|

[Bug 213621] WIFI connection is lost periodically on ath0

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=213621 Bug ID: 213621 Summary: WIFI connection is lost periodically on ath0 Product: Base System Version: 11.0-STABLE Hardware: amd64 OS: Any Status: New