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 0737C16C86F; Wed, 31 Jul 2024 13:41:06 +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=1722433267; cv=none; b=kKXMoicYO5J/5eHB4fOLbVaM8K9Hj3sXI0oGo8/VXyloH0PJxJU6O2AjNxhs/3K86H5Uvtil10IMGRVizjmGTJ1J/RoA4uSO1aqnVDukxjPIqzAi3gv5S1TJMUWldAbWhNHWmnyxlX7Z8gl/YJ0wSFNiXQQtHBqPgI4RSpQPakk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722433267; c=relaxed/simple; bh=JyXIamiKWny/0n0henYkJEDGIBxvTwJExYomK7HjifU=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=UO1WD/xtdDGSUmjlOdCJf3Z9V1eJF/W95R2yRzpCiAgjTb92EQgb6fyTPCyIu52V2GNCO+a6GfXt6t5GTTEemkRxo2wpVZzewQyjAuk6g5XYASHrROJcN0NCQwBiVDxChWo6r1Hp3XMfw/vLo38iFJuxilQE+sSc9D+oEuRa0C8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=SYHqC2Ww; 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="SYHqC2Ww" Received: by smtp.kernel.org (Postfix) with ESMTPSA id F0418C116B1; Wed, 31 Jul 2024 13:41:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1722433266; bh=JyXIamiKWny/0n0henYkJEDGIBxvTwJExYomK7HjifU=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=SYHqC2Ww1rz1a9lNNnDzdwscOh5+2B3xhCYWoOd7G+Rxvg6YvXUKy1oA/IHfpQDNh koRFdtciYHnWEcd75mgzzCmB9c+RbHiqU3i++gk+kY4agh1FyO4dBAU6jJYc8DlM26 lcoOFuexKViC2590X2jmj7bzYiShJpHq615Xzz1k= Date: Wed, 31 Jul 2024 15:41:03 +0200 From: Greg KH To: Sam James Cc: Peter Zijlstra , matoro , John David Anglin , Linux Parisc , Deller , John David Anglin , stable@vger.kernel.org Subject: Re: Crash on boot with CONFIG_JUMP_LABEL in 6.10 Message-ID: <2024073133-attentive-important-d419@gregkh> References: <096cad5aada514255cd7b0b9dbafc768@matoro.tk> <11e13a9d-3942-43a5-b265-c75b10519a19@bell.net> <20240731110617.GZ33588@noisy.programming.kicks-ass.net> <877cd1bsc4.fsf@gentoo.org> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <877cd1bsc4.fsf@gentoo.org> On Wed, Jul 31, 2024 at 02:31:55PM +0100, Sam James wrote: > Peter Zijlstra writes: > > > On Tue, Jul 30, 2024 at 08:36:13PM -0400, matoro wrote: > >> On 2024-07-30 09:50, John David Anglin wrote: > >> > On 2024-07-30 9:41 a.m., John David Anglin wrote: > >> > > On 2024-07-29 7:11 p.m., matoro wrote: > >> > > > Hi all, just bumped to the newest mainline starting with 6.10.2 > >> > > > and immediately ran into a crash on boot. Fully reproducible, > >> > > > reverting back to last known good (6.9.8) resolves the issue.  > >> > > > Any clue what's going on here? > >> > > > I can provide full boot logs, start bisecting, etc if needed... > >> > > 6.10.2 built and booted okay on my c8000 with the attached config. > >> > > You could start > >> > > with it and incrementally add features to try to identify the one > >> > > that causes boot failure. > >> > Oh, I have an experimental clocksource patch installed.  You will need > >> > to regenerate config > >> > with "make oldconfig" to use the current timer code.  Probably, this > >> > would happen automatically. > >> > > > >> > > Your config would be needed to duplicate.    Full boot log would also help. > >> > > >> > Dave > >> > >> Hi Dave, bisecting quickly revealed the cause here. > > > > https://lkml.kernel.org/r/20240731105557.GY33588@noisy.programming.kicks-ass.net > > Greg, I see tglx's jump_label fix is queued for 6.10.3 but this one > isn't as it came too late. Is there any chance of chucking it in? It's > pretty nasty. What is the git id of this in Linus's tree? thanks, greg k-h