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=-2.2 required=3.0 tests=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 5731DC5DF61 for ; Tue, 5 Nov 2019 20:50:01 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id EB675214B2 for ; Tue, 5 Nov 2019 20:50:00 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org EB675214B2 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id AB3556B0005; Tue, 5 Nov 2019 15:50:00 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id A63C76B0006; Tue, 5 Nov 2019 15:50:00 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 9A0ED6B0007; Tue, 5 Nov 2019 15:50:00 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0049.hostedemail.com [216.40.44.49]) by kanga.kvack.org (Postfix) with ESMTP id 85BBE6B0005 for ; Tue, 5 Nov 2019 15:50:00 -0500 (EST) Received: from smtpin25.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with SMTP id 434A3180AD817 for ; Tue, 5 Nov 2019 20:50:00 +0000 (UTC) X-FDA: 76123415760.25.sleet75_9179b9ac55656 X-HE-Tag: sleet75_9179b9ac55656 X-Filterd-Recvd-Size: 2050 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by imf45.hostedemail.com (Postfix) with ESMTP for ; Tue, 5 Nov 2019 20:49:59 +0000 (UTC) Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id DFB7E1396; Tue, 5 Nov 2019 12:49:56 -0800 (PST) Received: from mbp (unknown [172.31.20.19]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id DF3653FB69; Tue, 5 Nov 2019 01:02:33 -0800 (PST) Date: Tue, 5 Nov 2019 09:02:31 +0000 From: Catalin Marinas To: Amir Goldstein Cc: Theodore Tso , fstests , Matthew Wilcox , Michal Hocko , Qian Cai , Andrew Morton , Linus Torvalds , Linux MM , linux-kernel Subject: Re: 5.4-rc1 boot regression with kmemleak enabled Message-ID: <20191105090231.GA1750@mbp> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Tue, Nov 05, 2019 at 09:14:06AM +0200, Amir Goldstein wrote: > My kvm-xfstests [1] VM doesn't boot with kmemleak enabled since commit > c5665868183f ("mm: kmemleak: use the memory pool for early allocations"). > > There is no console output when running: > > $ kvm -boot order=c -net none -machine type=pc,accel=kvm:tcg -cpu host \ > -drive file=$ROOTFS,if=virtio,snapshot=on -vga none -nographic \ > -smp 2 -m 2048 -serial mon:stdio --kernel $KERNEL \ > --append 'root=/dev/vda console=ttyS0,115200' This was fixed in 5.4-rc4, see commit 2abd839aa7e6 ("kmemleak: Do not corrupt the object_list during clean-up"). -- Catalin