From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.3 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED,USER_AGENT_MUTT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A67F0ECE561 for ; Sun, 16 Sep 2018 08:22:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4F13E2087B for ; Sun, 16 Sep 2018 08:22:32 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4F13E2087B Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=ucw.cz Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727484AbeIPNoi (ORCPT ); Sun, 16 Sep 2018 09:44:38 -0400 Received: from atrey.karlin.mff.cuni.cz ([195.113.26.193]:34401 "EHLO atrey.karlin.mff.cuni.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726857AbeIPNoi (ORCPT ); Sun, 16 Sep 2018 09:44:38 -0400 Received: by atrey.karlin.mff.cuni.cz (Postfix, from userid 512) id C83BA8074F; Sun, 16 Sep 2018 10:22:28 +0200 (CEST) Date: Sun, 16 Sep 2018 10:22:28 +0200 From: Pavel Machek To: Arend Van Spriel , rdunlap@infradead.org Cc: Johannes Berg , "Grumbach, Emmanuel" , luciano.coelho@intel.com, linuxwifi@intel.com, linux-wireless@vger.kernel.org, kernel list Subject: Re: v4.19-rc3 on thinkpad x220: kernel BUG at kernel/dma/swiotlb.c:521 when enabling radios Message-ID: <20180916082227.GA4602@amd> References: <20180916064702.GA4180@amd> <20180916065703.GA4392@amd> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="k+w/mQv8wyuph6w0" Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --k+w/mQv8wyuph6w0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi! > > > I was running X220 with wireless disabled for long long time. Now I > > > needed to enable it, and got... > > > > Tried with next-0913, and machine crashed with capslock LED blinking > > when I toggled the switch... > > > > Any ideas? >=20 > Replying using my phone. There has been such a report from Randy Dunlap on > September 11 with subject "4.19-rc[23] iwlwifi: BUG in swiotlb". >=20 > Did not quite follow that, just recall seeing it fly by. Maybe it helps. Thanks for pointer. Hi, Randy! We have same problem. I switched back to v4.18, and it seems to be ok. I'd prefer not to hear the b-word. Any other ideas? Pavel --=20 (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blo= g.html --k+w/mQv8wyuph6w0 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iEYEARECAAYFAlueEsMACgkQMOfwapXb+vK6igCgtQ23s8F5RGloD0DXZehRvtZH j8gAnjhINpzzmzRaD5ICdCnIIHlRrksz =HcVE -----END PGP SIGNATURE----- --k+w/mQv8wyuph6w0--