Same issues with Dell XPS13, Ubuntu 13.04 Wireless drops very frequently and can only be re-established with reboot. I see this in my syslog:
Jul 19 09:34:52 L322X kernel: [ 188.499846] iwlwifi 0000:01:00.0: fail to flush all tx fifo queues Jul 19 09:34:54 L322X kernel: [ 190.500268] iwlwifi 0000:01:00.0: Error sending REPLY_ADD_STA: time out after 2000ms. Jul 19 09:34:54 L322X kernel: [ 190.500282] iwlwifi 0000:01:00.0: Current CMD queue read_ptr 43 write_ptr 44 Jul 19 09:34:54 L322X kernel: [ 190.500293] wlan0: failed to remove key (0, c4:3d:c7:44:2c:9c) from hardware (-110) Jul 19 09:34:56 L322X kernel: [ 192.496891] iwlwifi 0000:01:00.0: Error sending REPLY_QOS_PARAM: time out after 2000ms. Jul 19 09:34:56 L322X kernel: [ 192.496906] iwlwifi 0000:01:00.0: Current CMD queue read_ptr 43 write_ptr 45 Jul 19 09:34:56 L322X kernel: [ 192.496913] iwlwifi 0000:01:00.0: Failed to update QoS Jul 19 09:34:58 L322X wpa_supplicant[1506]: wlan0: CTRL-EVENT-DISCONNECTED bssid=c4:3d:c7:44:2c:9c reason=4 Jul 19 09:34:58 L322X kernel: [ 194.493076] iwlwifi 0000:01:00.0: Error sending REPLY_RXON: time out after 2000ms. Jul 19 09:34:58 L322X kernel: [ 194.493089] iwlwifi 0000:01:00.0: Current CMD queue read_ptr 43 write_ptr 46 Jul 19 09:34:58 L322X kernel: [ 194.493096] iwlwifi 0000:01:00.0: Error clearing ASSOC_MSK on BSS (-110) Jul 19 09:35:00 L322X kernel: [ 196.493551] iwlwifi 0000:01:00.0: Error sending REPLY_ADD_STA: time out after 2000ms. Jul 19 09:35:00 L322X kernel: [ 196.493566] iwlwifi 0000:01:00.0: Current CMD queue read_ptr 43 write_ptr 47 Jul 19 09:35:00 L322X kernel: [ 196.493577] wlan0: failed to remove key (1, ff:ff:ff:ff:ff:ff) from hardware (-110) Jul 19 09:35:00 L322X kernel: [ 196.493881] cfg80211: Calling CRDA to update world regulatory domain Jul 19 09:35:02 L322X kernel: [ 198.489946] iwlwifi 0000:01:00.0: Error sending REPLY_RXON: time out after 2000ms. Jul 19 09:35:02 L322X kernel: [ 198.489960] iwlwifi 0000:01:00.0: Current CMD queue read_ptr 43 write_ptr 48 Jul 19 09:35:02 L322X kernel: [ 198.489968] iwlwifi 0000:01:00.0: Error clearing ASSOC_MSK on BSS (-110) Jul 19 09:35:04 L322X kernel: [ 200.494382] iwlwifi 0000:01:00.0: fail to flush all tx fifo queues Jul 19 09:35:06 L322X kernel: [ 202.490782] iwlwifi 0000:01:00.0: Error sending POWER_TABLE_CMD: time out after 2000ms. Jul 19 09:35:06 L322X kernel: [ 202.490797] iwlwifi 0000:01:00.0: Current CMD queue read_ptr 43 write_ptr 49 Jul 19 09:35:06 L322X kernel: [ 202.490807] iwlwifi 0000:01:00.0: set power fail, ret = -110 Jul 19 09:35:08 L322X kernel: [ 204.487216] iwlwifi 0000:01:00.0: Error sending REPLY_RXON: time out after 2000ms. Jul 19 09:35:08 L322X kernel: [ 204.487230] iwlwifi 0000:01:00.0: Current CMD queue read_ptr 43 write_ptr 50 Jul 19 09:35:08 L322X kernel: [ 204.487238] iwlwifi 0000:01:00.0: Error clearing ASSOC_MSK on BSS (-110) Jul 19 09:35:10 L322X wpa_supplicant[1506]: wlan0: Failed to initiate AP scan Jul 19 09:35:10 L322X NetworkManager[1016]: <info> (wlan0): roamed from BSSID C4:3D:C7:44:2C:9C (MySSID) to (none) ((none)) Jul 19 09:35:10 L322X NetworkManager[1016]: <info> (wlan0): supplicant interface state: completed -> disconnected Jul 19 09:35:10 L322X kernel: [ 206.483633] iwlwifi 0000:01:00.0: Error sending REPLY_SCAN_CMD: time out after 2000ms. Jul 19 09:35:10 L322X kernel: [ 206.483646] iwlwifi 0000:01:00.0: Current CMD queue read_ptr 43 write_ptr 51 Jul 19 09:35:10 L322X kernel: [ 206.484335] cfg80211: World regulatory domain updated: Jul 19 09:35:10 L322X kernel: [ 206.484356] cfg80211: (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp) Jul 19 09:35:10 L322X kernel: [ 206.484370] cfg80211: (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) Jul 19 09:35:10 L322X kernel: [ 206.484387] cfg80211: (2457000 KHz - 2482000 KHz @ 20000 KHz), (300 mBi, 2000 mBm) Jul 19 09:35:10 L322X kernel: [ 206.484397] cfg80211: (2474000 KHz - 2494000 KHz @ 20000 KHz), (300 mBi, 2000 mBm) Jul 19 09:35:10 L322X kernel: [ 206.484407] cfg80211: (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) Jul 19 09:35:10 L322X kernel: [ 206.484417] cfg80211: (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) Jul 19 09:35:13 L322X wpa_supplicant[1506]: wlan0: Failed to initiate AP scan Jul 19 09:35:13 L322X kernel: [ 209.478218] iwlwifi 0000:01:00.0: Error sending REPLY_SCAN_CMD: time out after 2000ms. Jul 19 09:35:13 L322X kernel: [ 209.478231] iwlwifi 0000:01:00.0: Current CMD queue read_ptr 43 write_ptr 52 Jul 19 09:35:16 L322X wpa_supplicant[1506]: wlan0: Failed to initiate AP scan Jul 19 09:35:16 L322X kernel: [ 212.472836] iwlwifi 0000:01:00.0: Error sending REPLY_SCAN_CMD: time out after 2000ms. Jul 19 09:35:16 L322X kernel: [ 212.472850] iwlwifi 0000:01:00.0: Current CMD queue read_ptr 43 write_ptr 53 Jul 19 09:35:19 L322X wpa_supplicant[1506]: wlan0: Failed to initiate AP scan Jul 19 09:35:19 L322X kernel: [ 215.467474] iwlwifi 0000:01:00.0: Error sending REPLY_SCAN_CMD: time out after 2000ms. Jul 19 09:35:19 L322X kernel: [ 215.467491] iwlwifi 0000:01:00.0: Current CMD queue read_ptr 43 write_ptr 54 Jul 19 09:35:22 L322X wpa_supplicant[1506]: wlan0: Failed to initiate AP scan Jul 19 09:35:22 L322X kernel: [ 218.462158] iwlwifi 0000:01:00.0: Error sending REPLY_SCAN_CMD: time out after 2000ms. Jul 19 09:35:22 L322X kernel: [ 218.462172] iwlwifi 0000:01:00.0: Current CMD queue read_ptr 43 write_ptr 55 Jul 19 09:35:25 L322X wpa_supplicant[1506]: wlan0: Failed to initiate AP scan Jul 19 09:35:25 L322X kernel: [ 221.456800] iwlwifi 0000:01:00.0: Error sending REPLY_SCAN_CMD: time out after 2000ms. Jul 19 09:35:25 L322X kernel: [ 221.456815] iwlwifi 0000:01:00.0: Current CMD queue read_ptr 43 write_ptr 56 Jul 19 09:35:25 L322X NetworkManager[1016]: <warn> (wlan0): link timed out. Jul 19 09:35:25 L322X NetworkManager[1016]: <info> (wlan0): device state change: activated -> failed (reason 'SSID not found') [100 120 53] Jul 19 09:35:25 L322X NetworkManager[1016]: <warn> Activation (wlan0) failed for connection 'dshumphris' Jul 19 09:35:25 L322X dbus[647]: [system] Activating service name='org.freedesktop.nm_dispatcher' (using servicehelper) Jul 19 09:35:25 L322X NetworkManager[1016]: <info> (wlan0): device state change: failed -> disconnected (reason 'none') [120 30 0] Jul 19 09:35:25 L322X NetworkManager[1016]: <info> (wlan0): deactivating device (reason 'none') [0] Jul 19 09:35:25 L322X dbus[647]: [system] Successfully activated service 'org.freedesktop.nm_dispatcher' Jul 19 09:35:25 L322X NetworkManager[1016]: <info> (wlan0): canceled DHCP transaction, DHCP client pid 2112 Jul 19 09:35:25 L322X avahi-daemon[683]: Withdrawing address record for fe80::b6b6:76ff:fe33:bd23 on wlan0. Jul 19 09:35:25 L322X avahi-daemon[683]: Leaving mDNS multicast group on interface wlan0.IPv6 with address fe80::b6b6:76ff:fe33:bd23. Jul 19 09:35:25 L322X avahi-daemon[683]: Interface wlan0.IPv6 no longer relevant for mDNS. Jul 19 09:35:25 L322X avahi-daemon[683]: Withdrawing address record for 192.168.0.5 on wlan0. Jul 19 09:35:25 L322X avahi-daemon[683]: Leaving mDNS multicast group on interface wlan0.IPv4 with address 192.168.0.5. Jul 19 09:35:25 L322X kernel: [ 221.844278] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready Jul 19 09:35:25 L322X avahi-daemon[683]: Interface wlan0.IPv4 no longer relevant for mDNS. Jul 19 09:35:25 L322X NetworkManager[1016]: <warn> DNS: plugin dnsmasq update failed Jul 19 09:35:25 L322X NetworkManager[1016]: <info> Removing DNS information from /sbin/resolvconf Jul 19 09:35:25 L322X dnsmasq[2121]: setting upstream servers from DBus Jul 19 09:35:27 L322X kernel: [ 223.864391] iwlwifi 0000:01:00.0: Error sending REPLY_SCAN_CMD: time out after 2000ms. Jul 19 09:35:27 L322X kernel: [ 223.864403] iwlwifi 0000:01:00.0: Current CMD queue read_ptr 43 write_ptr 57 Jul 19 09:35:27 L322X NetworkManager[1016]: <info> (wlan0): supplicant interface state: disconnected -> inactive Jul 19 09:35:28 L322X nm-dispatcher.action: Script '/etc/NetworkManager/dispatcher.d/01ifupdown' took too long; killing it. Jul 19 09:35:28 L322X NetworkManager[1016]: <warn> Dispatcher script timed out: Script '/etc/NetworkManager/dispatcher.d/01ifupdown' timed out. Jul 19 09:35:30 L322X kernel: [ 226.615566] iwlwifi 0000:01:00.0: Error sending REPLY_SCAN_CMD: time out after 2000ms. Jul 19 09:35:30 L322X kernel: [ 226.615578] iwlwifi 0000:01:00.0: Current CMD queue read_ptr 43 write_ptr 58 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1040943 Title: Wireless -very- frequent disconnects in LinuxMint13 - Atheros AR9462 To manage notifications about this bug go to: https://bugs.launchpad.net/linuxmint/+bug/1040943/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
