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=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 3F708C34031 for ; Tue, 18 Feb 2020 07:06:34 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 152B5206E2 for ; Tue, 18 Feb 2020 07:06:34 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 152B5206E2 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=bugs.launchpad.net Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:57642 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1j3wxl-0004c5-9s for qemu-devel@archiver.kernel.org; Tue, 18 Feb 2020 02:06:33 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:52828) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1j3www-0003YU-W9 for qemu-devel@nongnu.org; Tue, 18 Feb 2020 02:05:44 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1j3wwv-0000rx-Lq for qemu-devel@nongnu.org; Tue, 18 Feb 2020 02:05:42 -0500 Received: from indium.canonical.com ([91.189.90.7]:45988) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1j3wwv-0000r8-GR for qemu-devel@nongnu.org; Tue, 18 Feb 2020 02:05:41 -0500 Received: from loganberry.canonical.com ([91.189.90.37]) by indium.canonical.com with esmtp (Exim 4.86_2 #2 (Debian)) id 1j3wwt-0000QV-T4 for ; Tue, 18 Feb 2020 07:05:39 +0000 Received: from loganberry.canonical.com (localhost [127.0.0.1]) by loganberry.canonical.com (Postfix) with ESMTP id D5FDD2E804A for ; Tue, 18 Feb 2020 07:05:39 +0000 (UTC) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Date: Tue, 18 Feb 2020 06:59:03 -0000 From: "Chris S." <1863710@bugs.launchpad.net> To: qemu-devel@nongnu.org X-Launchpad-Notification-Type: bug X-Launchpad-Bug: product=qemu; status=New; importance=Undecided; assignee=None; X-Launchpad-Bug-Information-Type: Public X-Launchpad-Bug-Private: no X-Launchpad-Bug-Security-Vulnerability: no X-Launchpad-Bug-Commenters: chriscjsus X-Launchpad-Bug-Reporter: Chris S. (chriscjsus) X-Launchpad-Bug-Modifier: Chris S. (chriscjsus) Message-Id: <158200914380.31311.6636278385327327157.malonedeb@wampee.canonical.com> Subject: [Bug 1863710] [NEW] qemu 4.2 does not process discard(trim) commands X-Launchpad-Message-Rationale: Subscriber (QEMU) @qemu-devel-ml X-Launchpad-Message-For: qemu-devel-ml Precedence: bulk X-Generated-By: Launchpad (canonical.com); Revision="19413b719a8df7423ab1390528edadce9e0e4aca"; Instance="production-secrets-lazr.conf" X-Launchpad-Hash: 07de2fa97148f0a03379684bf6dba0aad63253e8 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 91.189.90.7 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: Bug 1863710 <1863710@bugs.launchpad.net> Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Public bug reported: I'm using Arch Linux with qemu 4.2 and blktrace to monitor discard commands as they are sent to the hardware. Blktrace shows nothing as the VM is trimming the SSDs. I downgraded to qemu 4.1.1 and blktrace shows lots of discard commands as the VM is trimming. Kernel version is 5.5.4. Attached is the libvirt xml. ** Affects: qemu Importance: Undecided Status: New ** Attachment added: "win10-real.xml" https://bugs.launchpad.net/bugs/1863710/+attachment/5329158/+files/win10= -real.xml -- = You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1863710 Title: qemu 4.2 does not process discard(trim) commands Status in QEMU: New Bug description: I'm using Arch Linux with qemu 4.2 and blktrace to monitor discard commands as they are sent to the hardware. Blktrace shows nothing as the VM is trimming the SSDs. I downgraded to qemu 4.1.1 and blktrace shows lots of discard commands as the VM is trimming. Kernel version is 5.5.4. Attached is the libvirt xml. To manage notifications about this bug go to: https://bugs.launchpad.net/qemu/+bug/1863710/+subscriptions