From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: 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 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> (sfid-20180916_102246_175363_6866D106) 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" In-Reply-To: Sender: linux-wireless-owner@vger.kernel.org List-ID: --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--