Date: Fri, 14 Jun 2013 10:20:27 +0200 From: Guillaume Bibaut <yom@iaelu.net> To: Adrian Chadd <adrian@freebsd.org> Cc: freebsd-arm@freebsd.org, freebsd-wireless@freebsd.org Subject: Re: arm/179532: wireless networking on ARM Message-ID: <0F0FA54B-4970-41A7-9173-4EF28A61DFE5@iaelu.net> In-Reply-To: <CAJ-VmomctPwB=0MjV8DNO1UxxcJmzx%2BkyDy6p4=d%2BGPSAsu1yg@mail.gmail.com> References: <201306130940.r5D9eiFx089862@oldred.freebsd.org> <CAJ-VmomxoYJ%2B73ro9hg4Ee%2BqseCV-Gy2SmV1fsOBO1EC1Hu6LA@mail.gmail.com> <CAJ-VmomctPwB=0MjV8DNO1UxxcJmzx%2BkyDy6p4=d%2BGPSAsu1yg@mail.gmail.com>
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--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 <adrian@freebsd.org> 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 <adrian@freebsd.org> 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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