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=-2.3 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, 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 F3F46C3A5A2 for ; Tue, 10 Sep 2019 05:56:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id BAA9621D6C for ; Tue, 10 Sep 2019 05:56:08 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="pCC6cloc" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730158AbfIJF4I (ORCPT ); Tue, 10 Sep 2019 01:56:08 -0400 Received: from bombadil.infradead.org ([198.137.202.133]:43568 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726155AbfIJF4H (ORCPT ); Tue, 10 Sep 2019 01:56:07 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding: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=XPTSgi1wQbnoYHyU0OhJehZyudOfjuQmII/QsS6+IQ0=; b=pCC6clocU6gPohrFZySTMksJl GQYmDePKhP0Q1Y3hzuS3/2tobX6F1ghpSECO4VGti5mXzdLEBjixBmmxaL/SISJ+oYso3SHB4nG2l SRhmrZkt+q2yyAhHLg9k540+GpQWxEIhXipo5DZJgDZtPEHTvlLPBL6URONa44d4l5JV3EbwgT7+y Aor/gFVm+f7PFMPo299qvjUH/wP0zl1eWF1yRHb3BKM8XHijigwrts/2RfCvmsBEsZ4O+PVkauZVG 2Y+MYBPO8gwn0uxX1Km9MYbqLnC++n3RqczLAdQbeCZ9whxmkwSevabdsVyF6HQMQg1e0s8uBOGYd fwD8AwE8A==; Received: from hch by bombadil.infradead.org with local (Exim 4.92 #3 (Red Hat Linux)) id 1i7Z8I-0001LM-V4; Tue, 10 Sep 2019 05:56:06 +0000 Date: Mon, 9 Sep 2019 22:56:06 -0700 From: Christoph Hellwig To: "Darrick J. Wong" Cc: Christoph Hellwig , xfs Subject: Re: [ANNOUNCE] xfs-linux: for-next updated to 1baa2800e62d Message-ID: <20190910055606.GA5132@infradead.org> References: <20190831193917.GA568270@magnolia> <20190901073311.GA13954@infradead.org> <20190903234023.GJ568270@magnolia> <20190904050627.GA2569@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190904050627.GA2569@infradead.org> User-Agent: Mutt/1.11.4 (2019-03-13) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Sender: linux-xfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-xfs@vger.kernel.org On Tue, Sep 03, 2019 at 10:06:27PM -0700, Christoph Hellwig wrote: > On Tue, Sep 03, 2019 at 04:40:24PM -0700, Darrick J. Wong wrote: > > /me shrugs -- it's been broken for years, apparently, and we've been > > arguing with almost no action for months. Developers who are building > > things off of 5.3 should probably just add the patch (or turn off slub > > debugging).... > > Well, this is a new breakage with the same old root cause. The root > cause is that slub with debugging enabled gives us unaligned memory. > > But with my log recovery changes we may now use slub for allocations > larger than a single page (before we only used it for smaller than > page sizes allocations in the buffer cache), and that newly trips > up in the pmem driver (and a few others). Another ping. It would be really sad to release 5.3 with a known regression we've fixed two weeks before the release.