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=-2.5 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=no 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 E6DDDC48BD3 for ; Sat, 6 Jul 2019 15:42:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id BF7CB20856 for ; Sat, 6 Jul 2019 15:42:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1562427751; bh=E2Wp+2tu1z65R6wgftwY1VKNw2jNrsx/ERN7YQtjaJA=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=NrJQPqQwW6FNMvkLHgMy6eR3n2urgSq4fJp0qYy4J/1gkrE9ATj7jnmb5YUY9BSX6 FPAzfYTZA1tipoLSFQXd5JxOhVKAw8beOFUwoGdHi2dCTHEL7U1pf8VDkAjp50oa+z 5fWVGOQzLOZ0t+lmTbVIwDn1LzKqecJWYiGXgYJ8= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726908AbfGFPma (ORCPT ); Sat, 6 Jul 2019 11:42:30 -0400 Received: from mail.kernel.org ([198.145.29.99]:36848 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726446AbfGFPma (ORCPT ); Sat, 6 Jul 2019 11:42:30 -0400 Received: from localhost (unknown [62.119.166.9]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 3FCEA20838; Sat, 6 Jul 2019 15:42:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1562427749; bh=E2Wp+2tu1z65R6wgftwY1VKNw2jNrsx/ERN7YQtjaJA=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=DegJDqZS91xLGsRqsJDwfXRtpXHxqOHr3lZAnpBWsVKGteEFmAo8qTo8Q/7LcvndA 7GqbYgnAZD6gslZVyemwQkzcYVUUXwViBpA/wJrdR61dh+JaRKJyhToMvop+kRl9vV qwhVYuzBxZWTvLRMoAd8RnO0gU3gRGcOiWbo9EBU= Date: Sat, 6 Jul 2019 17:42:24 +0200 From: Greg Kroah-Hartman To: Stephen Rothwell Cc: Linux Next Mailing List , Linux Kernel Mailing List , Michael Ellerman Subject: Re: linux-next: Tree for Jul 4 Message-ID: <20190706154224.GA2698@kroah.com> References: <20190704220945.27728dd9@canb.auug.org.au> <20190704222450.021c9d71@canb.auug.org.au> <20190706083433.GB9249@kroah.com> <20190706194412.64c15c42@canb.auug.org.au> <20190706094647.GA17929@kroah.com> <20190706201729.48548ede@canb.auug.org.au> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190706201729.48548ede@canb.auug.org.au> User-Agent: Mutt/1.12.1 (2019-06-15) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, Jul 06, 2019 at 08:17:29PM +1000, Stephen Rothwell wrote: > Hi Greg, > > On Sat, 6 Jul 2019 11:46:47 +0200 Greg Kroah-Hartman wrote: > > > > On Sat, Jul 06, 2019 at 07:44:12PM +1000, Stephen Rothwell wrote: > > > > > > On Sat, 6 Jul 2019 10:34:33 +0200 Greg Kroah-Hartman wrote: > > > > > > > > On Thu, Jul 04, 2019 at 10:24:50PM +1000, Stephen Rothwell wrote: > > > > > > > > > > This release produces a whole lot (over 200) of this message in my qemu > > > > > boot tests: > > > > > > > > > > [ 1.698497] debugfs: File 'sched' already present! > > > > > > > > > > Introduced by commit > > > > > > > > > > 43e23b6c0b01 ("debugfs: log errors when something goes wrong") > > > > > > > > > > from the driver-core tree. I assume that the error(?) was already > > > > > happening, but it is now being reported. > > > > > > > > What are you passing to qemu to get this? I just tried it myself and > > > > see no error reports at all. Have a .config I can use to try to > > > > reproduce this? > > > > > > It is a powerpc pseries_le_defconfig kernel and I run qemu like this: > > > > > > qemu-system-ppc64 -M pseries -m 2G -vga none -nographic -kernel vmlinux -initrd rootfs.cpio.gz > > > > Hm, I think my rootfs initrd might be quite simple compared to yours (it > > drops me into a busybox shell). Any pointers to where you created yours > > from? > > Michael Ellerman gave it to me. It is very simple. Its /init is just > > $ cat init > #!/bin/sh > # devtmpfs does not get automounted for initramfs > /bin/mount -t devtmpfs devtmpfs /dev > exec 0 exec 1>/dev/console > exec 2>/dev/console > exec /sbin/init $* > > and /sbin/init is a link to /bin/busybox > > It is all run by an expect script that just waits for the login: > prompt, logs in a root and runs "halt". > > All the debugfs messages appear before the kernel finished booting. Ah, found the bug. Turns out I caused it in the blk queue debugfs code a short while ago. I'll post a patch for this in a few minutes... thanks, greg k-h