From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751226AbdBLMAg (ORCPT ); Sun, 12 Feb 2017 07:00:36 -0500 Received: from atrey.karlin.mff.cuni.cz ([195.113.26.193]:56017 "EHLO atrey.karlin.mff.cuni.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751137AbdBLMAe (ORCPT ); Sun, 12 Feb 2017 07:00:34 -0500 Date: Sun, 12 Feb 2017 13:00:31 +0100 From: Pavel Machek To: kernel list , bhelgaas@google.com, linux-pci@vger.kernel.org Subject: Re: v4.10-rc6 boot regression on Intel desktop, does not boot after cold boots, boots after reboot Message-ID: <20170212120031.GA3674@amd> References: <20170203211854.GA3697@amd> <20170203224309.GA22118@amd> <20170204084856.GA32381@amd> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="d6Gm4EdcadzBjdND" Content-Disposition: inline In-Reply-To: <20170204084856.GA32381@amd> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --d6Gm4EdcadzBjdND Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi! > > > > > Aha. So it looks difference is probably in "where is keyboard plu= gged > > > > > in" but in "reboot" vs. "cold boot". I did not do a cold boot in = quite > > > > > a while :-(. > > > > >=20 > > > > > Booting to grub, then hitting ctrl-alt-del is enough to make it w= ork. Ouch. > > > > >=20 > > > > > It happens with current Linus' tree. > > > >=20 > > > > v4.10-rc6-feb3 : broken > > > > v4.9 : ok > > > > (v4.6 : ok) > > >=20 > > > All I can suggest is git bisect. :-( But I agree that the problem i= s=20 > > > unlikely to be in the USB layer. > >=20 > > Yep. I'm hoping PCI people speak up.... adding printks there should be > > possibility, too. > >=20 > > (And I guess I should remove you and usb people from the cc-list... in > > the next mails). > >=20 > > (I verified it happens with 32bit configuration, too, FWIW). >=20 > v4.10-rc1 seems to work. No, it is somehow harder to test. It is only problem after some cold boots. Today machine was off for few hours, and then v4.10-rc7 failed to boot. On next reboot, I waited for grub, hit ctrl-alt-del, and it booted ok. Pavel --=20 (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blo= g.html --d6Gm4EdcadzBjdND Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iEYEARECAAYFAligTl8ACgkQMOfwapXb+vLcKACfeO2AfQH7zbLB5cUrJYxkoHZ+ XbIAn1ixJeHrf8yoMq1qrqLaRMM7jAgI =CoEs -----END PGP SIGNATURE----- --d6Gm4EdcadzBjdND--