From mboxrd@z Thu Jan 1 00:00:00 1970 From: Oleksij Rempel Date: Mon, 02 Dec 2013 20:06:48 +0100 Subject: [ath9k-devel] TPlink TL-WN822Nv2 drops out connections randomly on Arch Linux with Kernel 3.12.1-3 In-Reply-To: <1386008832.2023.1.camel@melech-server.localdomain> References: <1385786446.6163.4.camel@melech-server.localdomain> <52999A53.4020102@rempel-privat.de> <1385868046.9054.5.camel@melech-server.localdomain> <529B019B.5000200@rempel-privat.de> <1386008832.2023.1.camel@melech-server.localdomain> Message-ID: <529CDA48.9040306@rempel-privat.de> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: ath9k-devel@lists.ath9k.org -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 Am 02.12.2013 19:27, schrieb Mark E. Lee: > > > On Sun, 2013-12-01 at 10:30 +0100, Oleksij Rempel wrote: >> Finally i found a router to reproduce this or similar issue. It >> is dlink dir-615 H1... (there is much more problems with it) In >> my case it is ath9k-htc firmware issue, so it will take some >> time to debug it. >> >> Am 01.12.2013 04:20, schrieb Mark E. Lee: >>> >>> -----Original Message----- From: Oleksij Rempel >>> To: Mark E. Lee , >>> ath9k-devel at lists.ath9k.org Subject: Re: [ath9k-devel] TPlink >>> TL-WN822Nv2 drops out connections randomly on Arch Linux with >>> Kernel 3.12.1-3 Date: Sat, 30 Nov 2013 08:57:07 +0100 >>> >>> Am 30.11.2013 05:40, schrieb Mark E. Lee: >>>>> Salutations, >>>>> >>>>> I am still having an error with my TPLINK TL-WN822N V.2 >>>>> using Arch Linux (64bit) Kernel 3.12.1-3. This issue has >>>>> persisted since I got the adapter (since kernel 3.8.4). >>>>> When examining my network router's log, I found I was >>>>> getting the error: [WLAN access rejected: incorrect >>>>> security] >>>>> >>>>> Sometimes the usb adapter not only disconnects from the >>>>> internet, but it also seems to poweroff. I set up a script >>>>> to disable autosuspend for the usb wifi adapter and to >>>>> reload the ath9k_htc module (see below). This still >>>>> doesn't stop the adapter from turning off though. Any >>>>> help? >>>>> >>>>> ---- #!/bin/bash >>>>> >>>>> main() { ## main insertion function ping-daemon & ## fork >>>>> and run the ping daemon } >>>>> >>>>> ping-daemon() { ## daemon to ping and restart the network >>>>> adapter while :; do ping -c 1 192.168.1.1 &> /dev/null || >>>>> ( ## ping the router id="$(lsusb | awk '/TP-Link/ {print >>>>> $2}')"; echo "on" > \ >>>>> /sys/bus/usb/devices/usb${id//00/}/power/level; ## tell >>>>> the kernel to always leave the usb adapter on rmmod >>>>> ath9k_htc; ## remove the >>>>> wifi adapter driver modprobe ath9k_htc; ## load the wifi >>>>> adapter driver ) sleep 1m; ## pause for 1 minute done; } >>>>> >>>>> main; ## run the main insertion function ---- >>>>> >>>> Hi Mark, >>>> >>>> so... router decided to kick you out. Why? It has some >>>> security configurations which made this decision. Incorrect >>>> key? too many packed on different IPs? >>>> >>>> Please send your dmesg with reconnections. May be it will >>>> provide us some interesting info. >>>> >>>> >>> >>> Salutations, >>> >>> I have attached my dmesg log to this email. There may be some >>> excess stuff inside. >>> >>> Regards, Mark >>> >> >> > > Salutations, > > I got a new error (when the wifi adapter shuts off and can't seem > to recover even when replugging in the device). > > --- [63351.157325] DMA: Out of SW-IOMMU space for 16 bytes at > device 0000:00:1d.0 It is not firmware issue. In all errors i had, replugging will recover it. In your case it sounds more like usb controller. Beside, what is your usb controller? - -- Regards, Oleksij -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.14 (GNU/Linux) Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iF4EAREIAAYFAlKc2kgACgkQHwImuRkmbWk/aAD/ZIq72bI5nYlxZGugJ7xio2l3 z4rbdhunoZnXQpKBdL8BAIowDINCNo6rUEvZyOOMOaqHmXmrNckDZNRHaAzJridt =Yw02 -----END PGP SIGNATURE-----