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=-2.9 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_NEOMUTT autolearn=ham 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 9B3EBC04AB6 for ; Mon, 3 Jun 2019 08:54:17 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 34E9527DD1 for ; Mon, 3 Jun 2019 08:54:17 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="Bnaq2q9U" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 34E9527DD1 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 7FD546B0269; Mon, 3 Jun 2019 04:54:16 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 786296B026B; Mon, 3 Jun 2019 04:54:16 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 64F046B026C; Mon, 3 Jun 2019 04:54:16 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from mail-lj1-f199.google.com (mail-lj1-f199.google.com [209.85.208.199]) by kanga.kvack.org (Postfix) with ESMTP id EC8C56B0269 for ; Mon, 3 Jun 2019 04:54:15 -0400 (EDT) Received: by mail-lj1-f199.google.com with SMTP id q12so1403554ljc.4 for ; Mon, 03 Jun 2019 01:54:15 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:dkim-signature:from:date:to:cc:subject :message-id:references:mime-version:content-disposition:in-reply-to :user-agent; bh=JUUJPuh4FPDthH4k9+d32/GKkWMslSeYJNdsv2xAH8E=; b=knuaRPN3ojf0GyIete0lL6LbJ8gVZe0qs5GRh6PMKDexxuW/i9db7hlmzItughTGxo 3ZL3MBDHml4v9sbuEKHuFOP0vibpEn5rMy03ihaLTzcXNQvanihgVhB6trDjParluiCM LWJmNJxTSgvj0BUXUm5gXIb32nFv2BVUq4ObGwV0BjALu7zpdLd3O49CUIWUP4yPIR/p RlBazAjsAHzykUBAK2d4Zfy20Rax7NdJBe258YylB8rwf+qlGBETXA5kaMLPNUu77wXZ q9+laV+SF67VRSLGlM3o6fCLdXvEq916FDMX7h9PVPYtPN+q35Fq5tJoDXUva8szpFTu 08ag== X-Gm-Message-State: APjAAAX4qMKUe5ZXxI3s7DLKGtNCkRpYk+UqJ2PTm6HsuXZv4MzDBUzR pJZpLkyetvixOgU9o9k0t7ZhaEfewiVgKseUTjKnW0Wkezr7FTGY3hHCZ/tomItzvk1JYy7/vR9 mPZhTkEfVa5FIVlgWnq41RZhVgqsldi3EERUCRLi+yCH2geW/m+EITrAyFSAcUAaWaA== X-Received: by 2002:a2e:89d0:: with SMTP id c16mr1980941ljk.219.1559552055185; Mon, 03 Jun 2019 01:54:15 -0700 (PDT) X-Received: by 2002:a2e:89d0:: with SMTP id c16mr1980901ljk.219.1559552054138; Mon, 03 Jun 2019 01:54:14 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1559552054; cv=none; d=google.com; s=arc-20160816; b=fUXfWo6MO/eY0173NxRgRd0ypSypV2OraMnt5XgomYv7HjwtsNyQV4yqEnAwQY+wtb C08gghWTvEBn5TWFTkCgrCNnewtId21wWS9B4kEukQnNLSQG413Dj/fCtAZW8FZj7lZD xCryhbMyv2a/9Bb/RoZ0EMKOdVlrFb8QfjYDk9iVjwBw0Efijg4AkHiH4G50e1s6TbYE 2H0SHjuECV35qyv0Schb06BZCrbn0zEIT6NRfSCkapWSBLN1UzwjdygIHIlEHeOv5epo 8tZCGg27fEQqGFfyXAFwdf+ORJ5lrbfthnSdb9l6s2/8b4uo0ziwb+gBlfagGf4MbNSA jGag== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=user-agent:in-reply-to:content-disposition:mime-version:references :message-id:subject:cc:to:date:from:dkim-signature; bh=JUUJPuh4FPDthH4k9+d32/GKkWMslSeYJNdsv2xAH8E=; b=tojwhDWMpOQF7JhaifEOH2MlKxOGacQSTx9sC2Cuu4wPEFri3JUlqEVSEG7jSK1Cv4 Kv6trDLbY8wP6JxyotfJC2nHOgb22MiGzOLt3MZtrbeofwVL3Ri6FuXXIi9dKEBj6ZGL ZEUby6kQqO1hBH19txEVll7+VYC6XJfgPJa+RlkznJ8yQW0S02l1RPgbHWY0dMOiwDVK bYr2FL0SgHTfHTyJ8n5+PWfXZDr/+aORpdrVgZwFJJEUx2011TNYBMOgw7/c8C+pmLxv ijSG5X6pgbU2E2eT97HmQ3t+51soBIY7U9T6QD6P2P+QRQ2kOzALaKcovxB109s9+DP6 +g/g== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@gmail.com header.s=20161025 header.b=Bnaq2q9U; spf=pass (google.com: domain of urezki@gmail.com designates 209.85.220.65 as permitted sender) smtp.mailfrom=urezki@gmail.com; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: from mail-sor-f65.google.com (mail-sor-f65.google.com. [209.85.220.65]) by mx.google.com with SMTPS id w16sor5287845ljw.32.2019.06.03.01.54.13 for (Google Transport Security); Mon, 03 Jun 2019 01:54:14 -0700 (PDT) Received-SPF: pass (google.com: domain of urezki@gmail.com designates 209.85.220.65 as permitted sender) client-ip=209.85.220.65; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20161025 header.b=Bnaq2q9U; spf=pass (google.com: domain of urezki@gmail.com designates 209.85.220.65 as permitted sender) smtp.mailfrom=urezki@gmail.com; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:date:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=JUUJPuh4FPDthH4k9+d32/GKkWMslSeYJNdsv2xAH8E=; b=Bnaq2q9UT6+uD6gnDtm7lycidd6swzo3+noCOZPmFLmz010XBkIXJeIk36Cb56jFgT q2psdaHLFOgRS0cy72FtcC8fFp8V8yCHjquAy5zSSHky5hgVYzFyneCF2mZoETXoZeuH +Q8k7GjDWIgkM2Dz7X3iJ/BZ+p4hd0K9Ki6cD8xLwEMn0a/XvvNbsOR3Ggbrj6TIJsCR Dt5q7d/+FihqTsMAwSs7xiaBH5ACsdxzj5tV+cmhMKgtL3stErB6xAyoNqqAzDBRP44c 8jkMHl97RItrAewAvPErnDevPnpXJoPY+n2u4Fe9dTk3Q17b3vfXaNmAPcj0KSy09SEJ vtZA== X-Google-Smtp-Source: APXvYqwX8KTxehG6Moh7s0HVPC2PVEerjV608hM0QJQvkyLWY5zulnaoungJPYhfg45EtX4hB2Ba3A== X-Received: by 2002:a2e:6c01:: with SMTP id h1mr13773830ljc.103.1559552053499; Mon, 03 Jun 2019 01:54:13 -0700 (PDT) Received: from pc636 ([37.139.158.167]) by smtp.gmail.com with ESMTPSA id p1sm3039454ljj.1.2019.06.03.01.54.12 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Mon, 03 Jun 2019 01:54:12 -0700 (PDT) From: Uladzislau Rezki X-Google-Original-From: Uladzislau Rezki Date: Mon, 3 Jun 2019 10:54:05 +0200 To: Andrei Vagin Cc: linux-mm@kvack.org, "Uladzislau Rezki (Sony)" Subject: Re: linux-next: general protection fault in __free_vmap_area Message-ID: <20190603085405.hypqfabymvhto3ay@pc636> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: NeoMutt/20170113 (1.7.2) 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 Mon, Jun 03, 2019 at 01:02:20AM -0700, Andrei Vagin wrote: > Hello all, > > I tried to boot linux-next in a kvm virtual machine, but it always panics: > > [ 5.897542] general protection fault: 0000 [#1] SMP PTI > [ 5.898716] CPU: 0 PID: 1 Comm: swapper/0 Not tainted > 5.2.0-rc3-next-20190603-00001-g13841016de38 #1 > [ 5.900872] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), > BIOS ?-20180724_192412-buildhw-07.phx2.fedoraproject.org-1.fc29 > 04/01/2014 > [ 5.903238] RIP: 0010:__free_vmap_area+0x7b/0x340 > [ 5.904070] Code: ad de 48 89 5d 20 48 89 45 38 48 83 c0 22 48 89 > 45 40 48 8b 05 0e 24 77 02 48 85 c0 0f 84 9e 02 00 00 48 8b 7d 00 48 > 8b 75 08 <48> 8b 50 e0 48 3b 78 e8 73 07 48 39 f2 73 19 0f 0b 48 39 f2 > 73 f9 > [ 5.907811] RSP: 0000:ffffb92f80637db0 EFLAGS: 00010202 > [ 5.908883] RAX: 6b6b6b6b6b6b6b6b RBX: ffff8f6838de9460 RCX: 6b6b6b6b6b6b6b6b > [ 5.910349] RDX: ffff8f6838de9a80 RSI: ffffb92f81281000 RDI: ffffb92f8127c000 > [ 5.911766] RBP: ffff8f6838de9440 R08: ffff8f6838de9280 R09: ffff8f6838de9550 > [ 5.913138] R10: ffff8f6838de95c8 R11: 0000000000000000 R12: ffff8f6838de93c8 > [ 5.914594] R13: 0000000000008000 R14: ffffffff8b9fb8b0 R15: ffffffff8a61771b > [ 5.916362] FS: 0000000000000000(0000) GS:ffff8f683ba00000(0000) > knlGS:0000000000000000 > [ 5.918360] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > [ 5.919926] CR2: 0000000000000000 CR3: 000000006581e001 CR4: 00000000003606f0 > [ 5.921482] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 > [ 5.923032] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 > [ 5.924642] Call Trace: > [ 5.925358] __purge_vmap_area_lazy+0xd0/0x170 > [ 5.926543] _vm_unmap_aliases+0x1c6/0x200 > [ 5.927498] change_page_attr_set_clr+0xbc/0x2d0 > [ 5.928540] set_memory_nx+0x37/0x40 > [ 5.929294] free_init_pages+0x53/0x90 > [ 5.930110] free_kernel_image_pages+0x1f/0x40 > [ 5.931064] ? rest_init+0x24c/0x24c > [ 5.931832] kernel_init+0x19/0x104 > [ 5.932585] ret_from_fork+0x3a/0x50 > [ 5.933326] Modules linked in: > [ 5.934015] ---[ end trace 07dd6f9c635fabc2 ]--- > [ 5.934992] RIP: 0010:__free_vmap_area+0x7b/0x340 > > The kernel config is attached. Let me know if you need any additional > information. > > Thanks, > Andrei Hello, Andrei. I have some questions. Are you able to see the entire kernel log? I mean what happened before 5.897542 time-stamp. Also, could you please provide details how you run your KVM machine? Thank you in advance! -- Vlad Rezki