Return-path: Received: from mail-pz0-f46.google.com ([209.85.210.46]:49940 "EHLO mail-pz0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751485Ab1ECG46 (ORCPT ); Tue, 3 May 2011 02:56:58 -0400 Received: by pzk9 with SMTP id 9so3371703pzk.19 for ; Mon, 02 May 2011 23:56:57 -0700 (PDT) Message-ID: <4DBFA735.6050901@gmail.com> (sfid-20110503_085706_028808_FB7241E6) Date: Tue, 03 May 2011 16:56:53 +1000 From: Peizhao Hu Reply-To: peizhao.research@gmail.com MIME-Version: 1.0 To: Adrian Chadd CC: Russell Senior , ath5k-devel@lists.ath5k.org, linux-wireless@vger.kernel.org Subject: Re: [ath5k-devel] kernel panic on MIPS + ath5k + Wistron CM9 radio References: <861v0igqhn.fsf@coulee.tdb.com> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Sender: linux-wireless-owner@vger.kernel.org List-ID: Hi Would the issue I posted help to resolve this? http://www.mail-archive.com/openwrt-users@lists.openwrt.org/msg01001.html regards; Peizhao On 03/05/11 16:18, Adrian Chadd wrote: > Well, I see the same on FreeBSD/MIPS whenever an Atheros device is > fondled incorrectly. Either because the chip isn't yet fully awake or > the register plainly doesn't exist. > > See if you can add some debugging in ath5k_hw_reset_tx_queue() to see > which register is being read/written before the PCI bus error occurs. > > I have that hardware (routerstation/rspro) and the CM-9 card but I > don't currently have any spare time to run it up and test, sorry. > > > Adrian > > On 2 May 2011 03:39, Russell Senior wrote: >> Recently trying to abandon madwifi for good on some embedded devices >> with OpenWrt, encountered kernel panics. Same radio on an x86 >> platform (Soekris net4826), no kernel panic. Different atheros radio, >> no kernel panic. Tried two different MIPS boards (Netgear WGT634U and >> Ubiquiti RouterStation), both panic'd. >> >> Netgear WGT634U: http://pastebin.ca/2051127 >> Ubiquiti RouterStation: http://pastebin.ca/2052610 >> >> Both cases were firmwares built from r26771 of OpenWrt, and both seem >> to have panic'd from hostapd. While researching this, I encountered a >> similar report from last June: >> >> http://www.mail-archive.com/openwrt-users@lists.openwrt.org/msg01001.html >> http://www.spinics.net/lists/linux-wireless/msg52502.html >> >> Another person reported some issues with the CM9 earlier this year in >> client mode: >> >> http://permalink.gmane.org/gmane.linux.drivers.ath5k.devel/4722 >> >> I am happy to do some leg work on getting this fixed, if someone can >> provide some guidance. Thanks! >> >> >> -- >> Russell Senior ``I have nine fingers; you have ten.'' >> seniorr@aracnet.com >> -- >> 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 >> > _______________________________________________ > ath5k-devel mailing list > ath5k-devel@lists.ath5k.org > https://lists.ath5k.org/mailman/listinfo/ath5k-devel