Return-path: Received: from xc.sipsolutions.net ([83.246.72.84]:40468 "EHLO sipsolutions.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752417AbZJaFqE (ORCPT ); Sat, 31 Oct 2009 01:46:04 -0400 Subject: Re: Re[2]: ieee80211_tx_status: headroom too small From: Johannes Berg To: Nikolai ZHUBR Cc: linux-wireless@vger.kernel.org, Ivo Van Doorn In-Reply-To: <7111590175.20091031005644@mail.ru> References: <1094614475.20091030230028@mail.ru> <1256936341.3555.67.camel@johannes.local> <7111590175.20091031005644@mail.ru> Content-Type: multipart/signed; micalg="pgp-sha1"; protocol="application/pgp-signature"; boundary="=-f2BhY3CAP9O4p5WZJwBC" Date: Sat, 31 Oct 2009 06:46:07 +0100 Message-ID: <1256967967.3555.71.camel@johannes.local> Mime-Version: 1.0 Sender: linux-wireless-owner@vger.kernel.org List-ID: --=-f2BhY3CAP9O4p5WZJwBC Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Sat, 2009-10-31 at 00:56 +0300, Nikolai ZHUBR wrote: > Friday, October 30, 2009, 11:59:01 PM, Johannes Berg wrote: > >> > >> ieee80211_tx_status: headroom too small >=20 > > What driver are you using? >=20 > Ah, sorry, forgot to mention. It is rt61pci (RaLink mini-PCI card) Ok. I looked at the problem and it's a very odd problem -- mac80211 should always reserve enough headroom in buffers it passes to the driver. Does rt61pci somehow realloc frames? johannes --=-f2BhY3CAP9O4p5WZJwBC Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- iQIcBAABAgAGBQJK688XAAoJEODzc/N7+Qma+IMP/0+fSKSWENA5dcs6EU2pv4Wb aAy9F088ZFZ5zEo2aXPBPdoNiL1oTYLbleagKVyKg20Rx0e6notDK3vWMZbXb2Dx Owx20ZNx5dlh9/+6QXKRoN1MhQWuQaHt/XzSCUde0SKZs0BgXCEFqGqInK1WXD/V G+/MEZkewdkoEhumyah1af1rCLiLVcbVi23KsxfBeSc6TM4EQ20DybaqqdhiyPys Wht55H5dEJo66Fqytw8SnhMShP7+44yKBd72NHWQQ9AubUGdAQrlmAK9Vujrvtrm QIuwT/zZrUCBtJIHWNKoJGH7DVQMcXNSbH2QpShdi4yY+vL8Xhm77QVNZ/8b1s3o 2WHvyoO6EOhmvLI5ddCx6+q43WReH8xPn/j/rw+9QC3Mpp5JHkjiSItHWGktl6m/ DKAShHIrXrr1z3E5w7eGHp9kIHRaDsZEB4zoirL2r6KLYD0FhRsWgwY7UijeLgo2 1BPEcDrPCvOGLIfxxqDoJK9FBl2kS7d5KANn/L6gKINDw391et4IVBQVaGipsop0 Wshruhs3ZeYUCiyD6uRQfgfoChJVC3SMjqzHpE8is1zjGxhsmSwRKcHubzNyHNsg 858gKIa1upzaE+N1yzG45uDLf6XpkhgLQyLyVmV1XUJPNjg/qDhtbgfxQQyY416o GBk3mLejwgKNxR9EJPXs =aKyI -----END PGP SIGNATURE----- --=-f2BhY3CAP9O4p5WZJwBC--