From owner-freebsd-arm@FreeBSD.ORG Fri Jun 14 08:20:41 2013 Return-Path: Delivered-To: freebsd-arm@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by hub.freebsd.org (Postfix) with ESMTP id 2F41818D; Fri, 14 Jun 2013 08:20:41 +0000 (UTC) (envelope-from yom@iaelu.net) Received: from mail.iaelu.net (mail.iaelu.net [88.190.241.77]) by mx1.freebsd.org (Postfix) with ESMTP id CA00B1B63; Fri, 14 Jun 2013 08:20:40 +0000 (UTC) Received: from [172.16.68.12] (societe.hq.reagi.net [195.110.13.68]) (authenticated bits=0) by mail.iaelu.net (8.14.5/8.14.5) with ESMTP id r5E8KWv7073656 (version=TLSv1/SSLv3 cipher=AES128-SHA bits=128 verify=NOT); Fri, 14 Jun 2013 10:20:33 +0200 (CEST) (envelope-from yom@iaelu.net) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=iaelu.net; s=eienni; t=1371198033; bh=ASXEy2et5R8NGEycsJjsBqA523X1uubf+XG78FjzzBc=; h=Subject:From:In-Reply-To:Date:Cc:References:To; b=zvz1A6CEC/OCJ7TmiPvugt3O9S78xPzicvqopX41Q/SFE7QT3LjJXi94vSiRi2vTw COokrZ1lXcFE+1XUHSJoY1h8CeLcXNx007A13f59Ny9VKVkho0QOuHZfxoMy5RbzDl MjTJsJEGPoAoqIM4VXGIAuNJlYDZrgUlTafQ9Mdo= Content-Type: multipart/signed; boundary="Apple-Mail=_0E3BB8F7-3797-4DC6-9268-44BA762BAC02"; protocol="application/pkcs7-signature"; micalg=sha1 Mime-Version: 1.0 (Mac OS X Mail 6.5 \(1508\)) Subject: Re: arm/179532: wireless networking on ARM From: Guillaume Bibaut In-Reply-To: Date: Fri, 14 Jun 2013 10:20:27 +0200 Message-Id: <0F0FA54B-4970-41A7-9173-4EF28A61DFE5@iaelu.net> References: <201306130940.r5D9eiFx089862@oldred.freebsd.org> To: Adrian Chadd X-Mailer: Apple Mail (2.1508) X-Virus-Scanned: clamav-milter 0.97.7 at mail.iaelu.net X-Virus-Status: Clean X-Content-Filtered-By: Mailman/MimeDel 2.1.14 Cc: freebsd-arm@freebsd.org, freebsd-wireless@freebsd.org X-BeenThere: freebsd-arm@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Porting FreeBSD to the StrongARM Processor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 14 Jun 2013 08:20:41 -0000 --Apple-Mail=_0E3BB8F7-3797-4DC6-9268-44BA762BAC02 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=iso-8859-1 Here is the output : set_channel: c=3D0xc289b214, p=3D0xc2892fbb, rc=3D0xc2892fbb picture :=20 http://iaelu.net/~yom/efikamx/arm-eabi/photo6.JPG -- Guillaume Le 14 juin 2013 =E0 07:32, Adrian Chadd a =E9crit : > So that line does this: >=20 > rc->freq =3D htole16(c->ic_freq); >=20 > Please print out the value of p, c and rc before that is called. >=20 > printf("%s: c=3D%p, p=3D%p, rc=3D%p\n", __func__, c, p, rc); >=20 > I bet one of them is unaligned. >=20 > And I bet that 'c' is aligned, but 'rc' and 'p' aren't aligned. > I bet they're unaligned because ic->ic_rxchan and/or ic->ic_txchan is = unaligned. >=20 > Now, why _those_ are unaligned, I dunno. I bet the pointers passed > into ieee80211_radiotap_attach() (th and rh) are unaligned, and that > leads to this unalignment mess. >=20 > The whole tx and rx tap structure allocation in if_runvar.h is a bit = sick. Sigh. >=20 >=20 >=20 > Adrian >=20 >=20 > On 13 June 2013 16:49, Adrian Chadd wrote: >> Ugh, >>=20 >> Hi, >>=20 >> An alignment fault? ugh. It works fine on MIPS; I wonder if it's >> something odd to do with the specific driver in use. >>=20 >> I'll look at the source and get back to everyone. >>=20 >> Thanks! >>=20 >>=20 >>=20 >> adrian > _______________________________________________ > freebsd-arm@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-arm > To unsubscribe, send any mail to "freebsd-arm-unsubscribe@freebsd.org" --Apple-Mail=_0E3BB8F7-3797-4DC6-9268-44BA762BAC02 Content-Disposition: attachment; filename=smime.p7s Content-Type: application/pkcs7-signature; name=smime.p7s Content-Transfer-Encoding: base64 MIAGCSqGSIb3DQEHAqCAMIACAQExCzAJBgUrDgMCGgUAMIAGCSqGSIb3DQEHAQAAoIIMbDCCBjAw ggUYoAMCAQICAwYWrDANBgkqhkiG9w0BAQUFADCBjDELMAkGA1UEBhMCSUwxFjAUBgNVBAoTDVN0 YXJ0Q29tIEx0ZC4xKzApBgNVBAsTIlNlY3VyZSBEaWdpdGFsIENlcnRpZmljYXRlIFNpZ25pbmcx ODA2BgNVBAMTL1N0YXJ0Q29tIENsYXNzIDEgUHJpbWFyeSBJbnRlcm1lZGlhdGUgQ2xpZW50IENB MB4XDTEzMDMwNTE1MTQzMVoXDTE0MDMwNjA4MzI0MlowUTEZMBcGA1UEDRMQakZOWWl6d2VKOTYz 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