> > Hi, > > On Fri, Jun 13, 2014 at 12:54:13PM +0200, Johannes Stezenbach wrote: > > a new Thinkpad Yoga 20CD00AMGE with Intel(R) Dual Band Wireless AC > > 7260 fails to connect to the AP in the office, while it works on my > > home AP. WPA2 is used in both cases. I tried with kernel 3.14.7 and > > 3.15. There is a high density of APs and clients and lots of traffic > > in the office environment. > > I have confirmation someone on the other side of the globe with a similar > machine sees the same issue. > > > [ 31.890168] wlp4s0: authenticate with f8:d1:11:39:1a:8c > > [ 31.892972] wlp4s0: send auth to f8:d1:11:39:1a:8c (try 1/3) > > [ 31.903458] wlp4s0: authenticated > > [ 31.927239] wlp4s0: associate with f8:d1:11:39:1a:8c (try 1/3) > > [ 31.963374] wlp4s0: RX AssocResp from f8:d1:11:39:1a:8c (capab=0x431 > status=0 aid=5) > > [ 31.968857] wlp4s0: associated > > [ 32.200142] iwlwifi 0000:04:00.0: No association and the time event is over > already... > > [ 32.200154] wlp4s0: Connection to AP f8:d1:11:39:1a:8c lost > What is the beacon interval on these access point? Please open a bugzilla on kernel.org and CC ilw@xxxxxxxxxxxxxxx This issue is not something I can fix on the spot through mailing list, and I'd like to be able to track it. Thanks. > Some more detail from dmesg: > > [ 1.161462] iwlwifi 0000:04:00.0: irq 61 for MSI/MSI-X > [ 1.164277] iwlwifi 0000:04:00.0: loaded firmware version 22.24.8.0 > op_mode iwlmvm > [ 1.180348] iwlwifi 0000:04:00.0: Detected Intel(R) Dual Band Wireless AC > 7260, REV=0x144 > [ 1.180651] iwlwifi 0000:04:00.0: L1 Enabled; Disabling L0S > [ 1.180885] iwlwifi 0000:04:00.0: L1 Enabled; Disabling L0S > > lspci -vn: > > 04:00.0 0280: 8086:08b2 (rev 83) > Subsystem: 8086:4270 > > Full lspci -vvv output attached. > > > I also tried "iw dev wlp4s0 set power_save off", it did not help. > > > > drivers/net/wireless/iwlwifi/mvm/time- > event.c:iwl_mvm_te_handle_notif( > > ) > > > > iwl_mvm_te_check_disconnect(mvm, te_data->vif, > > "No association and the time event is over > > already..."); > > > > And lo and behold, it can connect. > > > > Let me know if you need more information to produce a proper fix. > > > TIA, > 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
