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 87512C010CC for ; Tue, 5 Nov 2019 11:54:39 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 56F1E21D7C for ; Tue, 5 Nov 2019 11:54:39 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 56F1E21D7C 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 E1AB26B0003; Tue, 5 Nov 2019 06:54:38 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id DA4366B0006; Tue, 5 Nov 2019 06:54:38 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id C922E6B0007; Tue, 5 Nov 2019 06:54:38 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0138.hostedemail.com [216.40.44.138]) by kanga.kvack.org (Postfix) with ESMTP id B078E6B0003 for ; Tue, 5 Nov 2019 06:54:38 -0500 (EST) Received: from smtpin26.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with SMTP id 68D6D181AEF1E for ; Tue, 5 Nov 2019 11:54:38 +0000 (UTC) X-FDA: 76122066636.26.frogs67_7fc8535872550 X-HE-Tag: frogs67_7fc8535872550 X-Filterd-Recvd-Size: 2032 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by imf38.hostedemail.com (Postfix) with ESMTP for ; Tue, 5 Nov 2019 11:54:37 +0000 (UTC) Received: from mbp (unknown [46.69.195.45]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 006B621D6C; Tue, 5 Nov 2019 11:54:34 +0000 (UTC) Date: Tue, 5 Nov 2019 11:54:31 +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: <20191105115431.GD26580@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: (sorry if you got this message twice; our SMTP server went bust) 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