I've been having this problem with my AR9462 wifi chip for several months. It randomly disconnects, with the uptime varying between a minute and 10 minutes. The speed often drops to 1Mb/s and remains there, rendering the connection worthless. I've tried a variety of kernels from 3.2 to 3.8. I've tried various combinations of the ath9k params, but no combination seems to help the 0168C, 0034 device. Dmesg merely reports: [94720.719145] wlan0: authenticate with 20:aa:4b:3a:85:e3 (try 1) [94720.721300] wlan0: authenticated [94720.733950] wlan0: associate with 20:aa:4b:3a:85:e3 (try 1) [94720.736683] wlan0: RX ReassocResp from 20:aa:4b:3a:85:e3 (capab=0x411 status=0 aid=1) [94720.736696] wlan0: associated [94726.045203] cfg80211: Calling CRDA to update world regulatory domain [94726.051433] cfg80211: World regulatory domain updated: [94726.051438] cfg80211: (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp) ...... [94726.051478] cfg80211: Calling CRDA for country: US [94726.059167] cfg80211: Regulatory domain changed to country: US [94726.059173] cfg80211: (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp) ... [94730.104613] wlan0: authenticate with 20:aa:4b:3a:85:e3 (try 1) [94730.302223] wlan0: authenticate with 20:aa:4b:3a:85:e3 (try 2) [94730.502096] wlan0: authenticate with 20:aa:4b:3a:85:e3 (try 3) [94730.702006] wlan0: authentication with 20:aa:4b:3a:85:e3 timed out [95190.831209] wlan0: authenticate with 20:aa:4b:3a:85:e3 (try 1) [95190.833185] wlan0: authenticated [95190.845795] wlan0: associate with 20:aa:4b:3a:85:e3 (try 1) [95190.849700] wlan0: RX ReassocResp from 20:aa:4b:3a:85:e3 (capab=0x411 status=0 aid=1) [95190.849705] wlan0: associated [95359.802393] cfg80211: Calling CRDA to update world regulatory domain [95359.805724] cfg80211: World regulatory domain updated: [95359.805727] cfg80211: (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp) ... [95359.805750] cfg80211: Calling CRDA for country: US [95359.809011] cfg80211: Regulatory domain changed to country: US [95359.809013] cfg80211: (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp) ... [95391.685123] wlan0: authenticate with 20:aa:4b:3a:85:e3 (try 1) [95391.687191] wlan0: authenticated [95391.833768] wlan0: associate with 20:aa:4b:3a:85:e3 (try 1) [95392.033399] wlan0: associate with 20:aa:4b:3a:85:e3 (try 2) [95392.233224] wlan0: associate with 20:aa:4b:3a:85:e3 (try 3) [95392.433109] wlan0: association with 20:aa:4b:3a:85:e3 timed out [95824.493528] wlan0: authenticate with 20:aa:4b:3a:85:e3 (try 1) [95824.497611] wlan0: authenticated [95824.645228] wlan0: associate with 20:aa:4b:3a:85:e3 (try 1) [95824.841283] wlan0: associate with 20:aa:4b:3a:85:e3 (try 2) [95825.041185] wlan0: associate with 20:aa:4b:3a:85:e3 (try 3) [95825.241075] wlan0: association with 20:aa:4b:3a:85:e3 timed out [95829.302583] wlan0: authenticate with 20:aa:4b:3a:85:e3 (try 1) [95829.304585] wlan0: authenticated [95829.317308] wlan0: associate with 20:aa:4b:3a:85:e3 (try 1) [95829.320003] wlan0: RX ReassocResp from 20:aa:4b:3a:85:e3 (capab=0x411 status=0 aid=1) [95829.320007] wlan0: associated [95852.748782] wlan0: deauthenticating from 20:aa:4b:3a:85:e3 by local choice (reason=3)
and then it stops. I have no idea what "reason=3" means, since it isn't disconnecting by my choice. There are no "errors" or "failures" for this driver listed in the system logs. I had been running Kubuntu 12.04.3 since it was beta and to avoid the problem I began using a cat5 connection to my modem because my wireless connection is worthless. Last week I switched to KWheezy 1.3 to bypass the Ubuntu repositories and connect directly with Debian's. The problem persists. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/947697 Title: Atheros AR9285 Wireless on Ubuntu 12.04 is slow, unstable and has a weak signal. Status in “linux” package in Ubuntu: Incomplete Bug description: In Windows 7 the signal is excellent, stable and strong. I use the netbook for every home, but in Ubuntu you can only connect a few meters away. In my university can not connect because the signal is too weak. In Windows 7 is okay. Everyone in my building at the university can connect very well with Windows. Who uses computer ath9k driver, no. Just search on Google to know that everyone who uses Atheros AR9285 have problems, even with computer hardware certified by Canonical: http://www.ubuntu.com/certification/catalog/component/pci:002B:168C-NETWORK My computer: Asus EeePC 1215B - APU AMD C-50, 2GB RAM. Distro: Ubuntu 12.04 Beta 1 - 32-bit (64-bit the problem continues) Kernel (uname -a): 3.2.0-18-generic-pae #28-Ubuntu SMP Fri Mar 2 22:11:12 UTC 2012 i686 athlon i386 GNU/Linux Driver wireless: ath9k Network: idescrição: Interface sem fio produto: AR9285 Wireless Network Adapter (PCI-Express) fabricante: Atheros Communications Inc. physical id: 0 informações do barramento: pci@0000:01:00.0 nome lógico: wlan0 versão: 01 largura: 64 bits clock: 33MHz capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless configuração: broadcast = yes driver = ath9k driverversion = 3.2.0-18-generic-pae firmware = N/A ip = 192.168.1.2 latency = 0 link = yes multicast = yes wireless = IEEE 802.11bgn recursos: irq : 16 memória : fea00000-fea0ffff To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/947697/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
