From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from fg-out-1718.google.com ([72.14.220.153]:31738 "EHLO fg-out-1718.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932522Ab0DPUvg convert rfc822-to-8bit (ORCPT ); Fri, 16 Apr 2010 16:51:36 -0400 Received: by fg-out-1718.google.com with SMTP id 19so501902fgg.1 for ; Fri, 16 Apr 2010 13:51:35 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: References: From: =?ISO-8859-1?Q?G=E1bor_Stefanik?= Date: Fri, 16 Apr 2010 22:51:15 +0200 Message-ID: Subject: Re: timeout in zd1211rw with zotac mini-itx (geforce 9300) To: Tsuwei Chen Cc: zd1211-devs@lists.sourceforge.net, linux-wireless@vger.kernel.org Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-wireless-owner@vger.kernel.org List-ID: On Fri, Apr 16, 2010 at 10:34 PM, Tsuwei Chen wrote: > Has anyone use the zd1211 usb adapter with mini-itx board based on > geforce 9300? I have been experience some annoying issues ever since I > got this motherboard. The problem is that sometime the card just > cannot be switched on. It complains about ioread32() error -110. And I > have spent a few days and try a few different combination, and here is > what I have found so far: > > 1, with 1 wifi adapter directly plugged into the board, the wifi > adapter works fine most of the time (have seen a couple failure, but > is hard to reproduce) > 2. with 1 wifi adapter, plugged in through a USB hub, the driver > complains ioread32 error. I've try 2 USB hubs: a cheap 4-port USB > dongle and also the USB hubs built into my DELL monitor. Both showed > the same problem. > 3. If I plugged in 2 wifi adapters directly to the board, more than > 50% of chance one of the wifi adapter would fail during the 'ifconifg > up'. > > I tried to dig our more on this. I am using kernel 2.6.24-26 (ubuntu). Please try a more recent kernel - 2.6.24 contains zd1211rw-ieee80211softmac, which is no longer developed. > I had turned on the debug message output and I have traced out that > the failure was first detected in the zd_mac_open(). Probably around > the call to zd_chip_switch_radio_on(). The error message is printed in > the zd_usb_ioread16v(), and probably indicate the driver is > experiencing a timeout while it is trying to read the register from > the adapter. > > What exactly does this mean? Why adding a usb hub cause such a huge > differnce? Has anyone experienced similar problem before? Any pointer > that can help me solve this problem is appreciated. > > BTW, I never had this problem before when I was still using a regular > HP desktop PC, even with the same version of kernel and same USB hub. > I switched to mini-itx because I am building a small system. So if > anyone is currently using this adapter with a mini-ITX board, please > also let me know which model you use. > > TIA, > Tsuwei > -- > To unsubscribe from this list: send the line "unsubscribe linux-wireless" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at  http://vger.kernel.org/majordomo-info.html > -- Vista: [V]iruses, [I]ntruders, [S]pyware, [T]rojans and [A]dware. :-)