Return-path: Received: from serenity.mcc.ac.uk ([130.88.200.93]:58909 "EHLO serenity.mcc.ac.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754733AbXKUOdo (ORCPT ); Wed, 21 Nov 2007 09:33:44 -0500 Message-ID: <4744419C.6000709@gentoo.org> (sfid-20071121_143347_176989_BB6B1354) Date: Wed, 21 Nov 2007 14:33:00 +0000 From: Daniel Drake MIME-Version: 1.0 To: linux-wireless@vger.kernel.org, David Miller , Johannes Berg , Daniel Drake , jt@hpl.hp.com Subject: Re: zd1211rw (2.6.22 sparc64): unaligned access (do_rx) References: <4740DF47.4040206@hotmail.com> <20071119.002755.77617097.davem@davemloft.net> <1195484582.8642.18.camel@johannes.berg> <20071119180423.GA19250@bougret.hpl.hp.com> <47443035.1070702@hotmail.com> <474432E8.90304@hotmail.com> In-Reply-To: <474432E8.90304@hotmail.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Sender: linux-wireless-owner@vger.kernel.org List-ID: Shaddy Baddah wrote: > Interestingly, after performing the above actions, I am now getting > additional log messages: > > SoftMAC: Open Authentication completed with GG:GG:GG:GG:GG:GG > Kernel unaligned access at TPC[100df410] > ieee80211softmac_handle_assoc_response] > Kernel unaligned access at TPC[100df548] > ieee80211softmac_handle_assoc_response] > ADDRCONF(NETDEV_CHANGE): eth2: link becomes ready > Kernel unaligned access at TPC[100d03ec] ieee80211_copy_snap+0x74/0x78 > [ieee802] > Kernel unaligned access at TPC[100d03ec] ieee80211_copy_snap+0x74/0x78 > [ieee802] > Kernel unaligned access at TPC[100d03ec] ieee80211_copy_snap+0x74/0x78 > [ieee802] > Kernel unaligned access at TPC[100d03ec] ieee80211_copy_snap+0x74/0x78 > [ieee802] > Kernel unaligned access at TPC[100d03ec] ieee80211_copy_snap+0x74/0x78 > [ieee802] > Kernel unaligned access at TPC[100ee624] do_rx+0x394/0x5ec [zd1211rw] > Kernel unaligned access at TPC[100ee62c] do_rx+0x39c/0x5ec [zd1211rw] > Kernel unaligned access at TPC[100ee638] do_rx+0x3a8/0x5ec [zd1211rw] > Kernel unaligned access at TPC[100ee668] do_rx+0x3d8/0x5ec [zd1211rw] > Kernel unaligned access at TPC[100ee670] do_rx+0x3e0/0x5ec [zd1211rw] One thing I forgot to mention: in 2.6.25 zd1211rw is moving away from ieee80211/softmac and changing to mac80211. I'm not sure if mac80211 has been tested on architectures with alignment constraints, so we may be greeted with new problems. Or some might go away. Speaking only from memory, I think the code with compare_ether_addr problem that David found is not present in the mac80211 port. Daniel