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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4AA9EC433FE for ; Wed, 19 Oct 2022 16:18:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230125AbiJSQSO (ORCPT ); Wed, 19 Oct 2022 12:18:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47210 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229559AbiJSQSL (ORCPT ); Wed, 19 Oct 2022 12:18:11 -0400 Received: from smtp4-g21.free.fr (smtp4-g21.free.fr [212.27.42.4]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4AB491BE407 for ; Wed, 19 Oct 2022 09:18:10 -0700 (PDT) Received: from zimbra59-e10.priv.proxad.net (unknown [172.20.243.209]) by smtp4-g21.free.fr (Postfix) with ESMTP id 0C8D819F5AF; Wed, 19 Oct 2022 18:18:08 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=free.fr; s=smtp-20201208; t=1666196288; bh=Pm/EqWEbJ0hJheqvBqZmNf9qn6cGXW/G7iT0GFcr5EY=; h=Date:From:To:Cc:In-Reply-To:Subject:From; b=G+SoyyooIx4gby1nJ7Fk7dFR/4C2USpgk9NFbtGHDXWEzc9oNrjBotZU43OtHCuh0 dfan4nUiccPx3gvmxzP4KXk0Pjhamo5LoL82PvyNKt6+xcqLuu2nNMx9nXHlJLmqcu cHATROltxHcRaLTBRmVTO9oX7bVWTMlSkG+AfCXevWcHBENNkGsRmYUMgDkjWXYi6g p+DanzlxvvgzF171TxwxHs91Hy4OuzPHyMIPRP+n1peqjJQoYMZUOKINUX7QzFOrCn raQFH7s+Kzwz5XI5hmOyeUAC0/+whjpAc8EUbRXn9kAbgtVLbqIn8GE0HD3H8eSoHq McSgEXpsNcd+Q== Date: Wed, 19 Oct 2022 18:18:07 +0200 (CEST) From: denis.chancogne@free.fr To: Thorsten Leemhuis Cc: Juergen Gross , Boris Ostrovsky , regressions@lists.linux.dev, LKML , xen-devel@lists.xenproject.org, Marek =?utf-8?Q?Marczykowski-G=C3=B3recki?= Message-ID: <478267192.700718309.1666196287955.JavaMail.root@zimbra59-e10.priv.proxad.net> In-Reply-To: <402ab0ef-8bea-6210-1585-2e0e217a2e08@leemhuis.info> Subject: Re: Bug 216581 - Kernel panic on /init as busybox symbolic link with xen efi MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Originating-IP: [90.83.51.20] X-Mailer: Zimbra 7.2.0-GA2598 (ZimbraWebClient - GC80 (Win)/7.2.0-GA2598) X-Authenticated-User: denis.chancogne@free.fr Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org >On 17.10.22 02:23, Marek Marczykowski-G=C3=B3recki wrote: >> On Sun, Oct 16, 2022 at 01:08:53PM +0200, Thorsten Leemhuis wrote: > >>>> Denis Chancogne 2022-10-13 22:00:19 UTC >>>> >>>> when I start Xen 4.15.3 in efi with kernel 5.18.19, all works well; >>>> but since kernel 5.19, I have a kernel panic on my /init process as >>>> busybox symbolic link inside initramfs. >>>> >>>> This is the kernel log : >> [...] >>=20 >> Thanks for forwarding. >>=20 >> This is already fixed on the Xen side: https://xenbits.xen.org/gitweb/?p= =3Dxen.git;a=3Dcommit;h=3Dc3bd0b83ea5b7c0da6542687436042eeea1e7909 >> The commit is also in 4.15 branch already: >> https://xenbits.xen.org/gitweb/?p=3Dxen.git;a=3Dcommit;h=3D7923ea47e578b= ca30a6e45951a9da09e827ff028, >> to be included in 4.15.4 rather soon. > >Hmmm. Well, strictly speaking this is still a kernel regression that >should be fixed (or worked around) on the kernel level. But 5.19 is out >for a while already and this afaics was the first report of this problem >in kernel land. Maybe it's not worth it, so let's leave everything as it >is for now, if that's okay for Denis. We IMHO will need to reconsider if >more users run into this. > >Ciao, Thorsten (wearing his 'the Linux kernel's regression tracker' hat) > >#regzbot introduced: 8ad7e8f69695 >#regzbot invalid: it is a kernel regression, but one that can be worked >around by updating Xen hypervisor Hi all, thanks a lot for your responses, it's very well for me. I will wait for xen-4.15.4 to use latest kernel release. Regards Denis