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=-2.1 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, 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 4CE78C49ED7 for ; Mon, 16 Sep 2019 23:15:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 15F7D20665 for ; Mon, 16 Sep 2019 23:15:58 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=codon.org.uk header.i=@codon.org.uk header.b="Ra6btG2D" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732834AbfIPXPy (ORCPT ); Mon, 16 Sep 2019 19:15:54 -0400 Received: from cavan.codon.org.uk ([93.93.128.6]:47305 "EHLO cavan.codon.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726649AbfIPXPy (ORCPT ); Mon, 16 Sep 2019 19:15:54 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=codon.org.uk; s=63138784; h=In-Reply-To:Content-Transfer-Encoding: Content-Type:MIME-Version:References:Message-ID:Subject:Cc:To:From:Date: Sender:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help: List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=DV+mhw7u9TaBCTed3WKA8JOHXYeZQDmY3wg7iw/0JXE=; b=Ra6btG2D6qUC5IcEha2plrJPzi q5GTYjuo4OmEgFYA4NZl28/rqdWrXiQwRvxiZnPPUImneLFYNI4GTA3DHVmE2XiObZMn4BQc7ohMS Jb3NXVeAXHCchIqBj85TAjvJYoj2F5zcU1xoBq3mgSWsnIoPalK9sLYP3PmtZwKMItY8=; Received: from mjg59 by cavan.codon.org.uk with local (Exim 4.89) (envelope-from ) id 1iA0DY-0001od-DE; Tue, 17 Sep 2019 00:15:36 +0100 Date: Tue, 17 Sep 2019 00:15:36 +0100 From: Matthew Garrett To: "Alexander E. Patrakov" Cc: Linus Torvalds , "Theodore Y. Ts'o" , Willy Tarreau , Vito Caputo , "Ahmed S. Darwish" , Lennart Poettering , Andreas Dilger , Jan Kara , Ray Strode , William Jon McCann , zhangjs , linux-ext4@vger.kernel.org, lkml Subject: Re: Linux 5.3-rc8 Message-ID: <20190916231536.e3grha2tqtdcrym7@srcf.ucam.org> References: <20190916042952.GB23719@1wt.eu> <20190916061252.GA24002@1wt.eu> <20190916172117.GB15263@mit.edu> <20190916230217.vmgvsm6o2o4uq5j7@srcf.ucam.org> <20190916231103.bic65ab4ifv7vhio@srcf.ucam.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: User-Agent: NeoMutt/20170113 (1.7.2) X-SA-Exim-Connect-IP: X-SA-Exim-Mail-From: mjg59@cavan.codon.org.uk X-SA-Exim-Scanned: No (on cavan.codon.org.uk); SAEximRunCond expanded to false Sender: linux-ext4-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-ext4@vger.kernel.org On Tue, Sep 17, 2019 at 04:13:36AM +0500, Alexander E. Patrakov wrote: > 17.09.2019 04:11, Matthew Garrett пишет: > > In one case we have "Systems don't boot, but you can downgrade your > > kernel" > > You can't. There are way too many dedicated server providers where there is > no IPMI or any equivalent, and the only help that the staff can do is to > reinstall, wiping your data. In which case you're presumably running a distro kernel that's had a decent amount of testing before you upgrade to it? -- Matthew Garrett | mjg59@srcf.ucam.org