From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail-fx0-f46.google.com ([209.85.161.46]:60755 "EHLO mail-fx0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757109Ab0I0R5b (ORCPT ); Mon, 27 Sep 2010 13:57:31 -0400 Received: by fxm3 with SMTP id 3so2059012fxm.19 for ; Mon, 27 Sep 2010 10:57:30 -0700 (PDT) From: Helmut Schaa To: Joshua Smith Subject: Re: Question about starting up an AP Date: Mon, 27 Sep 2010 19:56:40 +0200 Cc: linux-wireless@vger.kernel.org, users@rt2x00.serialmonkey.com References: <201009251034.24993.helmut.schaa@googlemail.com> In-Reply-To: MIME-Version: 1.0 Content-Type: Text/Plain; charset="us-ascii" Message-Id: <201009271956.41041.helmut.schaa@googlemail.com> Sender: linux-wireless-owner@vger.kernel.org List-ID: Hi, Am Montag 27 September 2010 schrieb Joshua Smith: > The change to the REGISTER_BUSY_COUNT did not eliminate the issue. > The device still sometimes exhibits this behavior. (It may be exhibiting > it less often, but the occurrences are so random, that it's hard for me to > know for sure.) Yeah, as I said, just a shot in the dark. > However, the other fix DID indeed eliminate the kernel crash when I tried > to restart hostapd, and it also fixed a crash that I experienced when I > tried to rmmod the rt2800pci module. So you should definitely mainline > that patch. Sure. > Now that I can retry hostapd and rmmod the modules, I have found that there > is apparently no software workaround for the case where the DMA busy > condition does not pass. Hmm, maybe there is but we have't found it yet ;) > I have tried restarting hostapd, and I have tried rmmod'ding all the > associated modules and modprobing them back in. Nothing clears the > condition except a reboot. Too bad. > Any other ideas of what I could do to reset the hardware? I'd love to find > a "soft" fix for this, rather than having to reboot to clear the condition. Nothing obviouis at least. So, no without further debugging I don't know what's going on in your case. Would be interesting if others experience the same problem. Helmut