Re: 'kbuild' merge before 4.9-rc1 breaks build and boot

Path	csiph.com!1.us.feeder.erje.net!feeder.erje.net!2.eu.feeder.erje.net!news.unit0.net!news.panservice.it!bofh.it!news.nic.it!robomod
From	Vince Weaver <vincent.weaver@maine.edu>
Newsgroups	linux.kernel
Subject	Re: 'kbuild' merge before 4.9-rc1 breaks build and boot
Date	Mon, 07 Nov 2016 20:20:02 +0100
Message-ID	<sAXCy-7rh-29@gated-at.bofh.it> (permalink)
References	<suKRH-87U-13@gated-at.bofh.it> <swWlH-4Lb-27@gated-at.bofh.it>
Dkim-Signature	v=1; a=rsa-sha256; c=relaxed/relaxed; d=maine.edu; s=google; h=from:date:to:cc:subject:in-reply-to:message-id:references :user-agent:mime-version; bh=EjRVgTYW3P6/gj8k2kuQPR/VRkUlKbfykU9uF7/RTdE=; b=KcXal7taWhtUWH3TL0Vxk8QLEq3STo292p2TEqpmxgyAPD6AgtypQs58hG6Gf7KWVy Nm1sSFKTOSwRlfVQI3a1wRmjxNfvvnc8cg+avg/1VjqnX0jfUcaSv5kz4CC7k6hTaDF2 aZtVapLvCBci0Elq/NJ7eQ3X8zczlqhdzxnIg=
X-Google-Dkim-Signature	v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:date:to:cc:subject:in-reply-to:message-id :references:user-agent:mime-version; bh=EjRVgTYW3P6/gj8k2kuQPR/VRkUlKbfykU9uF7/RTdE=; b=krN1KmwDq+9Sn6JUvyaSLQkVLp+CSnLAE0+jOuUkPHld5wjMpUjHJ3WJNnRhTCXGfN ECvtwl8haQPXZnMI7/modDcFgNO94UFbDCQzGryLUBxkFoP4y8M99z+CEgRhXH6pvyO8 CfqygiAc1knfjWu+uuqpCSiu2hDBhAxSBT0W8cG6cX9TcXyp0h3K7PrgtEZg9pMgctDV xdy4TsGslWhplA8gIrkX/7X9KsyvqgSHvdcajPPNWnX4HridSXUVinVC+rMp1zq3sCJM xxcL2hA7LjKfgWTGScBfERMpPUOAr6+G7itzLpl+YHBdDFZKrxwc81lUj9T5ZR15gDOn mTww==
X-Gm-Message-State	ABUngvcvjL+PMw2yO7bKoem1F5SNx4x9HfpQwncC35B4VJ2C4QBUs29womrxMQF+uoSI2zoe
X-Received	by 10.107.2.8 with SMTP id 8mr8473893ioc.83.1478545815763; Mon, 07 Nov 2016 11:10:15 -0800 (PST)
X-Google-Original-From	Vince Weaver <vince@maine.edu>
X-X-Sender	vince@macbook-air
User-Agent	Alpine 2.20 (DEB 67 2015-01-07)
MIME-Version	1.0
Content-Type	text/plain; charset=US-ASCII
Sender	robomod@news.nic.it
List-ID	<linux-kernel.vger.kernel.org>
X-Mailing-List	linux-kernel@vger.kernel.org
Approved	robomod@news.nic.it
Lines	20
Organization	linux.* mail to news gateway
X-Original-Cc	Michal Marek <mmarek@suse.com>, Al Viro <viro@zeniv.linux.org.uk>, Oliver Hartkopp <socketcan@hartkopp.net>, linux-kernel@vger.kernel.org, linux-kbuild@vger.kernel.org
X-Original-Date	Mon, 7 Nov 2016 14:10:12 -0500 (EST)
X-Original-Message-ID	<alpine.DEB.2.20.1611071408040.24418@macbook-air>
X-Original-References	<4c04b846-3da8-dc42-4fa6-30f72a5c2437@hartkopp.net> <20161027154202.GE27017@al>
X-Original-Sender	linux-kernel-owner@vger.kernel.org
Xref	csiph.com linux.kernel:1516519

Show key headers only | View raw

On Thu, 27 Oct 2016, Peter Wu wrote:

> I can confirm Olivers issue, the current mainline kernel fails to boot
> on kernels with CONFIG_MODVERSIONS=y. Bisection points to:
> 
>     commit 784d5699eddc55878627da20d3fe0c8542e2f1a2
>     Author: Al Viro <viro@zeniv.linux.org.uk>
>     Date:   Mon Jan 11 11:04:34 2016 -0500
> > WARNING: "memset" [sound/usb/snd-usbmidi-lib.ko] has no CRC!
> > WARNING: "__fentry__" [sound/usb/snd-usbmidi-lib.ko] has no CRC!
> > WARNING: "memcpy" [sound/usb/snd-usbmidi-lib.ko] has no CRC!
> > WARNING: "__sw_hweight32" [sound/usb/snd-usbmidi-lib.ko] has no CRC!

Has any progress been made with this problem?

I'm also encountering it on my debian-unstable box on any kernel more 
recent than 4.9-rc1 (up to and including 4.9-rc4).  I am glad someone 
managed to isolate it as I was unable to get a clean bisect.

Vince

Thread

Re: 'kbuild' merge before 4.9-rc1 breaks build and boot Peter Wu <peter@lekensteyn.nl> - 2016-10-27 19:10 +0200
  Re: 'kbuild' merge before 4.9-rc1 breaks build and boot Vince Weaver <vincent.weaver@maine.edu> - 2016-11-07 20:20 +0100
    Re: 'kbuild' merge before 4.9-rc1 breaks build and boot Peter Wu <peter@lekensteyn.nl> - 2016-11-07 22:40 +0100
      Re: 'kbuild' merge before 4.9-rc1 breaks build and boot Nicholas Piggin <npiggin@gmail.com> - 2016-11-08 03:00 +0100

csiph-web