On Wed, 29 Mar 2017 09:34:50 +0200, Johannes Berg wrote: > On Fri, 2017-03-24 at 21:32 -0400, Dennis New wrote: > > Ever since I upgraded to the 4.10 kernels (I don't think this > > behavior existed in the 4.8 series), after I startup my laptop > > (either from cold boot, or from standby), my wlan0 interface keeps > > deauthenticating > > > ... > > 19:23:29 kernel: wlan0: authenticate with 00:11:22:33:44:55 > > 19:23:29 kernel: ------------[ cut here ]------------ > > 19:23:29 kernel: WARNING: CPU: 0 PID: 18925 at > > net/mac80211/mlme.c:287 ieee80211_determine_chantype+0x12e/0x380 > > This is already indicating a severe problem. I don't know how you end > up in this situation with b43, since that doesn't have any regulatory > magic afaict. > > > 19:23:29 kernel: wlan0: associated > > > > 19:24:29 kernel: wlan0: deauthenticating from 00:11:22:33:44:55 by > > local choice (Reason: 3=DEAUTH_LEAVING) > > I'm convinced that this comes from reg_check_channels(). > > The above WARN_ON() already told you that the channel was considered > invalid. > > Do you know what channel your AP is on? 6 > Perhaps show the output of "iw wlan0 scan dump" while it's connected (you have 60 seconds :P) I have been having stable connections for the past few days, simply by putting a 60 second sleep before starting my wlan0. Although if I /etc/init.d/net.wlan0 restart it (without the delay), it will still do this deauth'ing. > Can you please show the output of "iw list" and "iw phy0 channels"? "iw phy7 channels": Band 1: * 2412 MHz [1] Maximum TX power: 20.0 dBm Channel widths: * 2417 MHz [2] Maximum TX power: 20.0 dBm Channel widths: * 2422 MHz [3] Maximum TX power: 20.0 dBm Channel widths: * 2427 MHz [4] Maximum TX power: 20.0 dBm Channel widths: * 2432 MHz [5] Maximum TX power: 20.0 dBm Channel widths: * 2437 MHz [6] Maximum TX power: 20.0 dBm Channel widths: * 2442 MHz [7] Maximum TX power: 20.0 dBm Channel widths: * 2447 MHz [8] Maximum TX power: 20.0 dBm Channel widths: * 2452 MHz [9] Maximum TX power: 20.0 dBm Channel widths: * 2457 MHz [10] Maximum TX power: 20.0 dBm Channel widths: * 2462 MHz [11] Maximum TX power: 20.0 dBm Channel widths: * 2467 MHz [12] Maximum TX power: 20.0 dBm No IR Channel widths: * 2472 MHz [13] Maximum TX power: 20.0 dBm No IR Channel widths: * 2484 MHz [14] Maximum TX power: 20.0 dBm No IR Channel widths: 20MHz "iw list": Wiphy phy7 max # scan SSIDs: 4 max scan IEs length: 2285 bytes max # sched scan SSIDs: 0 max # match sets: 0 max # scan plans: 1 max scan plan interval: -1 max scan plan iterations: 0 Retry short limit: 7 Retry long limit: 4 Coverage class: 0 (up to 0m) Device supports RSN-IBSS. Supported Ciphers: * WEP40 (00-0f-ac:1) * WEP104 (00-0f-ac:5) * TKIP (00-0f-ac:2) * CCMP-128 (00-0f-ac:4) * CCMP-256 (00-0f-ac:10) * GCMP-128 (00-0f-ac:8) * GCMP-256 (00-0f-ac:9) Available Antennas: TX 0 RX 0 Supported interface modes: * IBSS * managed * AP * AP/VLAN * monitor Band 1: Bitrates (non-HT): * 1.0 Mbps * 2.0 Mbps (short preamble supported) * 5.5 Mbps (short preamble supported) * 11.0 Mbps (short preamble supported) * 6.0 Mbps * 9.0 Mbps * 12.0 Mbps * 18.0 Mbps * 24.0 Mbps * 36.0 Mbps * 48.0 Mbps * 54.0 Mbps Frequencies: * 2412 MHz [1] (20.0 dBm) * 2417 MHz [2] (20.0 dBm) * 2422 MHz [3] (20.0 dBm) * 2427 MHz [4] (20.0 dBm) * 2432 MHz [5] (20.0 dBm) * 2437 MHz [6] (20.0 dBm) * 2442 MHz [7] (20.0 dBm) * 2447 MHz [8] (20.0 dBm) * 2452 MHz [9] (20.0 dBm) * 2457 MHz [10] (20.0 dBm) * 2462 MHz [11] (20.0 dBm) * 2467 MHz [12] (20.0 dBm) (no IR) * 2472 MHz [13] (20.0 dBm) (no IR) * 2484 MHz [14] (20.0 dBm) (no IR) Supported commands: * new_interface * set_interface * new_key * start_ap * new_station * set_bss * authenticate * associate * deauthenticate * disassociate * join_ibss * set_tx_bitrate_mask * frame * frame_wait_cancel * set_wiphy_netns * set_channel * set_wds_peer * probe_client * set_noack_map * register_beacons * start_p2p_device * set_mcast_rate * connect * disconnect * set_qos_map Supported TX frame types: * IBSS: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0 * managed: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0 * AP: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0 * AP/VLAN: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0 * mesh point: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0 * P2P-client: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0 * P2P-GO: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0 * P2P-device: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0 Supported RX frame types: * IBSS: 0x40 0xb0 0xc0 0xd0 * managed: 0x40 0xd0 * AP: 0x00 0x20 0x40 0xa0 0xb0 0xc0 0xd0 * AP/VLAN: 0x00 0x20 0x40 0xa0 0xb0 0xc0 0xd0 * mesh point: 0xb0 0xc0 0xd0 * P2P-client: 0x40 0xd0 * P2P-GO: 0x00 0x20 0x40 0xa0 0xb0 0xc0 0xd0 * P2P-device: 0x40 0xd0 software interface modes (can always be added): * AP/VLAN * monitor interface combinations are not supported HT Capability overrides: * MCS: ff ff ff ff ff ff ff ff ff ff * maximum A-MSDU length * supported channel width * short GI for 40 MHz * max A-MPDU length exponent * min MPDU start spacing Device supports TX status socket option. Device supports HT-IBSS. Device supports SAE with AUTHENTICATE command Device supports low priority scan. Device supports scan flush. Device supports AP scan. Device supports per-vif TX power setting Driver supports full state transitions for AP/GO clients Driver supports a userspace MPM Device supports configuring vdev MAC-addr on create.
