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Message-ID: <20111019060108.GA11588@gamma.logic.tuwien.ac.at> Date: Wed, 19 Oct 2011 15:01:08 +0900 From: Norbert Preining <preining@...ic.at> To: linux-kernel@...r.kernel.org, ipw3945-devel@...ts.sourceforge.net Subject: iwlagn is getting very shaky Hi everyone (please Cc), I am currently running 3.1.0-rc10, and I am having a hard time with the wlan network here at the university. For quite some time, like 10min, it is fine, then suddently the iwlagn driver gives up on me and connection is dropped. In the log file I see: [ 172.137011] iwlagn 0000:06:00.0: Tx aggregation enabled on ra = 00:24:c4:ab:bd:ef tid = 0 [ 821.841016] iwlagn 0000:06:00.0: Tx aggregation enabled on ra = 00:24:c4:ab:bd:ef tid = 6 [ 1095.580735] wlan0: direct probe to 00:24:c4:ab:bd:e0 (try 1/3) [ 1095.780076] wlan0: direct probe to 00:24:c4:ab:bd:e0 (try 2/3) [ 1095.980101] wlan0: direct probe to 00:24:c4:ab:bd:e0 (try 3/3) [ 1096.180117] wlan0: direct probe to 00:24:c4:ab:bd:e0 timed out [ 1105.255464] wlan0: deauthenticating from 00:24:c4:ab:bd:ef by local choice (reason=2) [ 1105.255519] iwlagn 0000:06:00.0: Stopping AGG while state not ON or starting [ 1105.265581] cfg80211: Calling CRDA for country: JP [ 1105.271476] wlan0: authenticate with 00:24:c4:ab:bd:e0 (try 1) [ 1105.468105] wlan0: authenticate with 00:24:c4:ab:bd:e0 (try 2) [ 1105.668110] wlan0: authenticate with 00:24:c4:ab:bd:e0 (try 3) [ 1105.868090] wlan0: authentication with 00:24:c4:ab:bd:e0 timed out [ 1113.667890] wlan0: direct probe to 00:24:c4:ab:bd:e0 (try 1/3) [ 1113.864116] wlan0: direct probe to 00:24:c4:ab:bd:e0 (try 2/3) [ 1114.064095] wlan0: direct probe to 00:24:c4:ab:bd:e0 (try 3/3) [ 1114.264109] wlan0: direct probe to 00:24:c4:ab:bd:e0 timed out Somewhere around 1100 the connection is gone and never comes back again. I tried removing the driver module from the kernel and reinserting it, tried to turn on and off the hardware swithc (rfkill), all without no success, the wlan connection remains dead until I reboot. I am not sure exactely when it started, I guess somewhere in the 3.1 cycle, before I was permanently working wiht wlan, now I always plug in the cable. If there is any way to track down this, or any suggestions how I can debug it, please let me know. Hardware: Sony VGN-Z11, Intel(R) WiFi Link 5100 AGN, REV=0x54 L1 Enabled; Disabling L0S device EEPROM VER=0x11e, CALIB=0x4 Device SKU: 0Xf0 Tunable channels: 13 802.11bg, 24 802.11a channels loaded firmware version 8.83.5.1 build 33692 (EXP) On the other hand, the same laptop with the very same configuration works very nicely in my flat's wlan, which is some dirt cheap Japanese only wlan router. Best wishes and thanks a lot Norbert ------------------------------------------------------------------------ Norbert Preining preining@...ist.ac.jp, logic.at, debian.org} JAIST, Japan TeX Live & Debian Developer DSA: 0x09C5B094 fp: 14DF 2E6C 0307 BE6D AD76 A9C0 D2BF 4AA3 09C5 B094 ------------------------------------------------------------------------ DITHERINGTON (n) Sudden access to panic experienced by one who realises that he is being drawn inexorably into a clabby (q.v.) conversation, i.e. one he has no hope of enjoying, benefiting from or understanding. --- Douglas Adams, The Meaning of Liff -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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