Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S970144AbdDTOwN (ORCPT ); Thu, 20 Apr 2017 10:52:13 -0400 Received: from mail-wr0-f193.google.com ([209.85.128.193]:33301 "EHLO mail-wr0-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S964934AbdDTOwK (ORCPT ); Thu, 20 Apr 2017 10:52:10 -0400 Date: Thu, 20 Apr 2017 16:52:06 +0200 From: Frederic Weisbecker To: Pavel Machek Cc: Alan Stern , torvalds@linux-foundation.org, kernel list , linux-usb@vger.kernel.org, gregkh@linuxfoundation.org, bhelgaas@google.com, linux-pci@vger.kernel.org Subject: Re: v4.10-rc8 (-rc6) boot regression on Intel desktop, does not boot after cold boots, boots after reboot Message-ID: <20170420145205.GD25160@lerouge> References: <20170203205129.GA3791@amd> <20170203211854.GA3697@amd> <20170214175956.GA3587@amd> <20170214192743.GA3869@amd> <20170223162825.GA16646@lerouge> <20170223184013.GA5177@amd> <20170403153850.GA4418@lerouge> <20170403182050.GA6555@amd> <20170412150832.GE21309@lerouge> <20170415213447.GA9506@amd> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20170415213447.GA9506@amd> User-Agent: Mutt/1.5.24 (2015-08-30) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2031 Lines: 45 On Sat, Apr 15, 2017 at 11:34:47PM +0200, Pavel Machek wrote: > On Wed 2017-04-12 17:08:35, Frederic Weisbecker wrote: > > On Mon, Apr 03, 2017 at 08:20:50PM +0200, Pavel Machek wrote: > > > > > > > > ...1d.7: PCI fixup... pass 2 > > > > > > > > ...1d.7: PCI fixup... pass 3 > > > > > > > > ...1d.7: PCI fixup... pass 3 done > > > > > > > > > > > > > > > > ...followed by hang. So yes, it looks USB related. > > > > > > > > > > > > > > > > (Sometimes it hangs with some kind backtrace involving secondary CPU > > > > > > > > startup, unfortunately useful info is off screen at that point). > > > > > > > > > > > > > > Forgot to say, 1d.7 is EHCI controller. > > > > > > > > > > > > > > 00:1d.7 USB controller: Intel Corporation NM10/ICH7 Family USB2 EHCI > > > > > > > Controller (rev 01) > > > > > > > > > > > > Ok, I should have access soon to a EeePc 1015CX (which seem to have this controller). > > > > > > I hope I'll be able to reproduce the issue there. If not, I'm sorry but I'll have to > > > > > > burden you again :-) > > > > > > > > > > Go through more mails. It is only reproducible after cold boot. .. so > > > > > I doubt it will be easy to reproduce on another machine. > > > > > > > > > > Now... I do have serial port, and I even might have serial cable > > > > > somewhere, but.... Giving how sensitive it is, it is probably going to > > > > > go away with console on ttyS... > > > > > > > > I also tried on an eeepc (which has ICH7/NM10 as well), with your config. > > > > I even plugged a usb keyboard but even then I have been unable to > > > > reproduce either :-( > > > > > > Ok, give me some time. I'm no longer using the affected machine, so no > > > promises. > > > > Actually someone reported me a very similar issue than yours lately. It's probably > > the same. And I have a potential fix. > > Got the machine back to work -- I guess it will be useful for distcc. > > And yes, you seem to have right fix :-). > > Tested-by: Pavel Machek Thanks a lot! I'm posting the fix.