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=-0.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 C272CC38A2A for ; Thu, 7 May 2020 17:32:42 +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 8D0FC20663 for ; Thu, 7 May 2020 17:32:42 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8D0FC20663 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]:55192 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jWkO1-0007ZB-M9 for qemu-devel@archiver.kernel.org; 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status=New; importance=Undecided; assignee=None; X-Launchpad-Bug: distribution=ubuntu; sourcepackage=btrfs-progs; component=main; 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: bump55 X-Launchpad-Bug-Reporter: Bump (bump55) X-Launchpad-Bug-Modifier: Bump (bump55) References: <158887096525.4808.16857448132122344597.malonedeb@soybean.canonical.com> Message-Id: <158887191032.13979.5500835867064425269.malone@gac.canonical.com> Subject: [Bug 1877418] Re: qemu-nbd freezes access to VDI file 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="fbdff7602bd10fb883bf7e2ddcc7fd5a16f60398"; Instance="production-secrets-lazr.conf" X-Launchpad-Hash: 6f70e07b901ff06dbcbec9177ffea11b2cdc121f Received-SPF: none client-ip=91.189.90.7; envelope-from=bounces@canonical.com; helo=indium.canonical.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/05/07 13:10:40 X-ACL-Warn: Detected OS = Linux 3.11 and newer X-Spam_score_int: -65 X-Spam_score: -6.6 X-Spam_bar: ------ X-Spam_report: (-6.6 / 5.0 requ) BAYES_00=-1.9, HEADER_FROM_DIFFERENT_DOMAINS=0.249, RCVD_IN_DNSWL_HI=-5, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, URIBL_BLOCKED=0.001 autolearn=_AUTOLEARN X-Spam_action: no action 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 1877418 <1877418@bugs.launchpad.net> Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" ** Attachment added: "dmesg-bug-qemu-nbd-btrfs-vdi.txt" https://bugs.launchpad.net/qemu/+bug/1877418/+attachment/5367895/+files/= dmesg-bug-qemu-nbd-btrfs-vdi.txt ** Also affects: btrfs-progs (Ubuntu) Importance: Undecided Status: New ** Description changed: Mounted Oracle Virtualbox .vdi drive (dynamically allocated), which has G= TP+BTRFS: sudo modprobe nbd max_part=3D16 sudo qemu-nbd -c /dev/nbd0 /storage/btrfs.vdi + mount /dev/nbd0p1 /mydata/ = Then I am operating on the btrfs filesystem and suddenly it freezes. -- = You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1877418 Title: qemu-nbd freezes access to VDI file Status in QEMU: New Status in btrfs-progs package in Ubuntu: New Bug description: Mounted Oracle Virtualbox .vdi drive (dynamically allocated), which has G= TP+BTRFS: sudo modprobe nbd max_part=3D16 sudo qemu-nbd -c /dev/nbd0 /storage/btrfs.vdi mount /dev/nbd0p1 /mydata/ Then I am operating on the btrfs filesystem and suddenly it freezes. 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