From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Tim Sander" Subject: Re: Unreliable Wireless network with 3.0.9-rt26 Date: Tue, 31 Jan 2012 17:08:30 +0100 Message-ID: <201201311708.30266.tim.sander@hbm.com> References: <4F26D728.2090008@cmotion.eu> Mime-Version: 1.0 Content-Type: text/Plain; charset=ISO-8859-15 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: To: "Christian Kapeller" Return-path: Received: from relay.medianet-world.de ([213.157.0.172]:51535 "HELO relay.medianet-world.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1753841Ab2AaQJ3 convert rfc822-to-8bit (ORCPT ); Tue, 31 Jan 2012 11:09:29 -0500 Content-Class: urn:content-classes:message In-reply-to: <4F26D728.2090008@cmotion.eu> Sender: linux-rt-users-owner@vger.kernel.org List-ID: Hi > I'm having trouble running wifi in combination with a rt enabled kern= el > 3.0.9-rt26 on an imx51 arm platform. The distro is openwrt-trunk. >=20 > The device has 2 usb wifi interfaces (AR9271 chipset; driver: based o= n > compat-wireless-testing 2011-12-01). I am running an iperf load on bo= th > interfaces, one interface is in AP mode, the other in STA mode. >=20 > When I configure the kernel without RT preemption, the device runs > stable for >10 hours. >=20 > With RT preemption enabled, after a couple of minutes some interface > will stop transmitting data. Sometimes ifconfig wlan[0,1] down will > hang, sometimes ifconfig wlan[0,1] down will work, but then ping will Just my 5 cents: I am working on the imx 35 platform and i am also havi= ng=20 problems with the network setup. I have sent a bugsplat to this list wh= ich=20 occurs in the network setup with 3.2-rt. I suspect that these two error= s are=20 related. Steven Rosted wanted to look after it, but it seems he hasn't = until=20 now. Best regards Tim Please ignore: Hottinger Baldwin Messtechnik GmbH, Im Tiefen See 45, 64293 Darmstadt, = Germany | www.hbm.com=20 Registered as GmbH (German limited liability corporation) in the commer= cial register at the local court of Darmstadt, HRB 1147 =20 Company domiciled in Darmstadt | CEO: Andreas Huellhorst | Chairman of = the board: James Charles Webster Als Gesellschaft mit beschraenkter Haftung eingetragen im Handelsregist= er des Amtsgerichts Darmstadt unter HRB 1147=20 Sitz der Gesellschaft: Darmstadt | Geschaeftsfuehrung: Andreas Huellhor= st | Aufsichtsratsvorsitzender: James Charles Webster The information in this email is confidential. It is intended solely fo= r the addressee. If you are not the intended recipient, please let me k= now and delete this email. Die in dieser E-Mail enthaltene Information ist vertraulich und ledigli= ch f=FCr den Empfaenger bestimmt. Sollten Sie nicht der eigentliche Emp= faenger sein, informieren Sie mich bitte kurz und loeschen diese E-Mail= =2E -- To unsubscribe from this list: send the line "unsubscribe linux-rt-user= s" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html