Return-path: Received: from gmmr5.centrum.cz ([46.255.225.250]:47821 "EHLO gmmr5.centrum.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755499Ab2BGUsE (ORCPT ); Tue, 7 Feb 2012 15:48:04 -0500 To: "Andreas Hartmann" , "Helmut Schaa" Subject: Re: connection interrupted for rt61pci in master mode Date: Tue, 07 Feb 2012 21:48:01 +0100 From: Cc: "linux-wireless" References: <20120128154544.70E060CD@centrum.cz>, <4F30BEED.4010905@01019freenet.de>, <20120207071444.8C823024@centrum.cz> <4F30D3EE.2010501@01019freenet.de> In-Reply-To: <4F30D3EE.2010501@01019freenet.de> MIME-Version: 1.0 Message-Id: <20120207214801.21BCB62B@centrum.cz> (sfid-20120207_214809_098831_FAF43AD8) Content-Type: text/plain; charset=UTF-8 Sender: linux-wireless-owner@vger.kernel.org List-ID: I tried maxcpus=0 and verified that really only one cpu core is used but didn't help (so not smp problem). I realized that sometimes when I see connection interrupted, then after few seconds it recovers and network is again functional. 802.11n is disabled. One more thing, when i do "ifup wlan0" I get following output: NETLINK: Packet too small or truncated! 56!=16!=996 is it OK? Regards. Michal ______________________________________________________________ > Od: "Andreas Hartmann" > Komu: Helmut Schaa > Datum: 07.02.2012 08:37 > Předmět: Re: connection interrupted for rt61pci in master mode > > CC: "linux-wireless" >Hello Helmut, > >could it be potentially a problem with smp or does the fix you provided >for rt2860 based wlan devices applies too for rt61pci? > >I'm thinking about that, because I saw the same problems here some time >ago. And probably I can see it too with rt2800usb [1]. > > >@Michal: >Just to verify (or falsify) this hypothesis: Could you please reboot the >machine with the additional kernel option maxcpus=0 (you can enter it in >the grub console) to just use cpu 0 (please verify with "cat >/proc/cpuinfo"). If the problem disappears, it's most probably smp related. > >Another question: you didn't activate 802.11n. Is this correct? > > >Regards, >Andreas > >trencan@centrum.cz schrieb: >> >> Machine has "Intel Core i5-2500K" with 4 cores without Hyper-Threading. >> >> Regards. >> Michal > > >Regards, >Andreas > > >[1] >http://rt2x00.serialmonkey.com/pipermail/users_rt2x00.serialmonkey.com/2012-February/004556.html >