From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.gentoo.org (woodpecker.gentoo.org [140.211.166.183]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 04A9D1AD9CB; Wed, 31 Jul 2024 13:32:00 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=140.211.166.183 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722432722; cv=none; b=S8XQMonQ5ehEdv7PWrLrXKwtkMCRX8Lh9HrdPur4G9RAWjXxoaxu5cyg9HQhArVyl1cLq5Gtsz1/EybidQl10P+A+go6XHr/XMZ6Is2F/ocVVucEK8axQjR0/nefQOTr1V63dyMhpPCztFToVYl9A3XJVoJYgNsublFC9UvA9rs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722432722; c=relaxed/simple; bh=ZrOrYZWPguaGZbZEYM0RvPWlavBLs7B2YJ4QWINxkJs=; h=From:To:Cc:Subject:In-Reply-To:References:Date:Message-ID: MIME-Version:Content-Type; b=gQfRzYSxDK+Sv7obsdbBspyuYS7JFM8/f/8Bkzqg6YtOVCRi8WQpJeYXukKueuZ61eaKTGmwz0cfQ2uL06kdylpkWJrHH+h1cAEtxBwTYKmg9N08U2ZkCwPakAkV4cQYs0TA7naz/UkS3j2j3lp1V2Y7i12u5fXrkFcsxoci2/g= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gentoo.org; spf=pass smtp.mailfrom=gentoo.org; arc=none smtp.client-ip=140.211.166.183 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gentoo.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gentoo.org From: Sam James To: Peter Zijlstra , Greg KH Cc: 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 In-Reply-To: <20240731110617.GZ33588@noisy.programming.kicks-ass.net> (Peter Zijlstra's message of "Wed, 31 Jul 2024 13:06:17 +0200") Organization: Gentoo References: <096cad5aada514255cd7b0b9dbafc768@matoro.tk> <11e13a9d-3942-43a5-b265-c75b10519a19@bell.net> <20240731110617.GZ33588@noisy.programming.kicks-ass.net> Date: Wed, 31 Jul 2024 14:31:55 +0100 Message-ID: <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: multipart/signed; boundary="=-=-="; micalg=pgp-sha512; protocol="application/pgp-signature" --=-=-= Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable 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.=C2=A0 >> > > > Any clue what's going on here? >> > > > I=C2=A0can=C2=A0provide=C2=A0full=C2=A0boot=C2=A0logs,=C2=A0start= =C2=A0bisecting,=C2=A0etc=C2=A0if=C2=A0needed... >> > > 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.=C2=A0 You will= need >> > to regenerate config >> > with "make oldconfig" to use the current timer code.=C2=A0 Probably, t= his >> > would happen automatically. >> > >=20 >> > > Your config would be needed to duplicate.=C2=A0 =C2=A0 Full boot log= would also help. >> >=20 >> > Dave >>=20 >> 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. thanks, sam --=-=-= Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iOUEARYKAI0WIQQlpruI3Zt2TGtVQcJzhAn1IN+RkAUCZqo8zF8UgAAAAAAuAChp c3N1ZXItZnByQG5vdGF0aW9ucy5vcGVucGdwLmZpZnRoaG9yc2VtYW4ubmV0MjVB NkJCODhERDlCNzY0QzZCNTU0MUMyNzM4NDA5RjUyMERGOTE5MA8cc2FtQGdlbnRv by5vcmcACgkQc4QJ9SDfkZAp6gD+Jm3iAhmMIV9r5hvD6WNKeZdCdAYrODOt99Is RcnaizEA/1U+frbXA8Gr1fY7tf906NsumEtw8yk+6GhBs1nrXY0B =OHJC -----END PGP SIGNATURE----- --=-=-=--