From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D28B82D59FA for ; Sat, 28 Feb 2026 01:29:15 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772242155; cv=none; b=bg4G8dC8Rpz9S1DKRaBO2xHaeUUBioQbKVcrb1IDao+UXDP0I5Spi0IA8vL0X6UqDTZYkgSwMwxAxe+3trMZy9OKZ8TW/bEOUY102g0lZj1Ki0kkcj2SrjjrHHoFmq4XsUnMpfllHkqQr2f3A1g4PhyY7lz0gtmz2KNHeZTfwc0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772242155; c=relaxed/simple; bh=g1tUbhtyKjfis1ODp7pjuabQGAG/S/9a34TYvWxkbRI=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=Bkrjv9NlSTInjEjlpehhe1pM9zr6l+TPoNvriahiskoAhhKfZW597UNLsQiHJK8qP3IF8DYDFT04LS83ePaYGY0prgg9V6Y2DP7sfHYWXxQ7WvSe0Y7ZxGopUAYqHqT4AGHF321hXXiGADPm+nNAozHmBvtxpsBAM8PExohpRwk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=HKb8bwDZ; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="HKb8bwDZ" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3735CC116C6; Sat, 28 Feb 2026 01:29:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1772242155; bh=g1tUbhtyKjfis1ODp7pjuabQGAG/S/9a34TYvWxkbRI=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=HKb8bwDZiF0Nf0kPQE/M/+/FZDPyo6IMaPawjfvuR1kDpkmDMVHd/zIgqiu6NT9F7 N14Y8Y1WIH7dSMTDuCp3LLH8eZgbKdlCZiaKPbNnnnjJ8vhMVMl/CXGofxfXRe2RLd IaHdOSOschw4rvOe9UNOo/kvboQ0kPIbjT8bTIAM= Date: Fri, 27 Feb 2026 20:29:05 -0500 From: Greg KH To: Rainer Fiebig Cc: "stable@vger.kernel.org" , jpoimboe@kernel.org Subject: Re: 6.18.14: VirtualBox modules don't build anymore; bisected Message-ID: <2026022738-tricky-popper-c70e@gregkh> References: <62d12399-76e5-3d40-126a-7490b4795b17@mailbox.org> <2026022741-mahogany-coveted-acfa@gregkh> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: On Sat, Feb 28, 2026 at 12:30:29AM +0100, Rainer Fiebig wrote: > Am 27.02.26 um 21:12 schrieb Greg KH: > > On Fri, Feb 27, 2026 at 04:33:34PM +0100, Rainer Fiebig wrote: > >> In case this hasn't been reported already: with 6.18.14 the > >> VirtualBox-7.1.16 modules won't build during the boot process, as they > >> usually do. Bisecting between 6.18.13/14 led to this: > >> > >> f056c340b73962ebaffe93997b582bdf16dc6270 is the first bad commit > >> commit f056c340b73962ebaffe93997b582bdf16dc6270 (HEAD) > >> Author: Josh Poimboeuf > >> Date: Tue Feb 10 13:45:22 2026 -0800 > >> > >> kbuild: Add objtool to top-level clean target > >> > >> [ Upstream commit 68b4fe32d73789dea23e356f468de67c8367ef8f ] > >> > >> Objtool is an integral part of the build, make sure it gets cleaned > >> by "make clean" and "make mrproper". > >> [...] > >> > >> > >> The script I use for building my kernels includes "make mrproper" before > >> compiling and "make clean" after the kernel and modules have been > >> installed. > >> > >> Perhaps it would be more appropriate to report this to the > >> VirtualBox-devs but I won't do that because the registration procedure > >> asks for too many private data. > > > > We obviously can not do anything about external modules, so if you rely > > on these, you are going to have to work with them on this, sorry. > > Alright, tough luck. But that a patch-release of an LTS-kernel breaks > VirtualBox is really a first - at least as far as I can remember. Then they have gotten really lucky :) good luck! greg k-h