On 11/25/2011 02:18 PM, Haohui Liao wrote: > Dear Arend van Spriel, > > Sorry for my late reply. I have attached my dmesg outout > from Linux 3.0.7 (I am using Arch Linux 64 bit), the lsmod > output for Linux 3.0.7, the lsmod output for Linux 3.1-4 > (the package for Arch Linux. I believe the `-4' is just > minor changes to configuration and compilation. I have > install the `-3' and `-4' and all of the have the stall problem) > and the lspci output. > >> Provide hardware info. > > I am not sure if the attached files provide enough hardware > information, please advise. > >> Actually, this trace looks fine. The last message means >> that no IPv6 capable network equipment has been >> detected. Did you do unplug a USB device? > > Yes, I have unplug the USB thumbdrive. But I don't think > unpluging a USB device. Let me explain how the stall will > happen. > > The following is a portion of my wpa_supplicant.conf > > ssid="LINUX-LINK" > proto=WPA2 > key_mgmt=WPA-PSK > pairwise=TKIP > group=TKIP > wpa_ptk_rekey=600 > > I didn't realise that `wpa_ptk_rekey=600' will actually change > the wifi key every 10 minutes. I just copy from the default > wpa_supplicant.conf. Later I read the description and I found > that it is for the paranoid user who want really secure > connection. So I remove the wpa_ptk_rekey=600 and the > connection will last longer for ath9k. Sometimes a > disconnection happened. I found from Internet that nearby > wifi interference can cause this problem. > > This is fine with Linux 3.0.7. However, during the > wpa_ptk_rekey or during interference, the Linux 3.1 will > stalled. The only solution for me is to kill wpa_supplicant > and restart it again. I can always produce this phenomena > with Linux 3.1, so I dare not install the Linux 3.1.1 kernel. > I heard that Linux 3.2 has some improvements for ath9k > but it is not available for ArchLinux yet, so I can't inform you > if Linux 3.2 has a similar problem. > > I understand that kernel debugging is an extremely > difficult task. Please advise me on what to do to provide > useful info to you. > > Thanks. > > > Best Regards, > Liao Haohui Now I am confused. Looking in the lspci output I see you have an atheros card, ie.: 02:00.0 Network controller: Atheros Communications Inc. AR928X Wireless Network Adapter (PCI-Express) (rev 01) So probably you are better off talking to someone at Atheros. Gr. AvS -- 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
