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=-8.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED 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 60B41C433E0 for ; Tue, 9 Feb 2021 14:45:26 +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 6E00364EAA for ; Tue, 9 Feb 2021 14:45:25 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6E00364EAA 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]:45362 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1l9UGa-00067I-CA for qemu-devel@archiver.kernel.org; Tue, 09 Feb 2021 09:45:24 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:53114) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1l9UBL-0001uz-Mr for qemu-devel@nongnu.org; Tue, 09 Feb 2021 09:40:00 -0500 Received: from indium.canonical.com ([91.189.90.7]:52182) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1l9UBJ-0008Rp-NB for qemu-devel@nongnu.org; Tue, 09 Feb 2021 09:39:59 -0500 Received: from loganberry.canonical.com ([91.189.90.37]) by indium.canonical.com with esmtp (Exim 4.86_2 #2 (Debian)) id 1l9UBH-0007MT-JC for ; Tue, 09 Feb 2021 14:39:55 +0000 Received: from loganberry.canonical.com (localhost [127.0.0.1]) by loganberry.canonical.com (Postfix) with ESMTP id 8AC122E8138 for ; Tue, 9 Feb 2021 14:39:55 +0000 (UTC) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Date: Tue, 09 Feb 2021 14:29:30 -0000 From: Daniel Berrange <304636@bugs.launchpad.net> To: qemu-devel@nongnu.org X-Launchpad-Notification-Type: bug X-Launchpad-Bug: product=qemu; status=Confirmed; importance=Wishlist; assignee=None; X-Launchpad-Bug: distribution=ubuntu; sourcepackage=qemu; component=main; status=Won't Fix; 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: anthony-codemonkey berrange bryce kirkland n1-notch-1 plopezr riku-voipio simon-mungewell th-huth X-Launchpad-Bug-Reporter: mungewell (simon-mungewell) X-Launchpad-Bug-Modifier: Daniel Berrange (berrange) References: <20081203025459.23099.79789.malonedeb@gangotri.canonical.com> Message-Id: <161288097049.17804.16966239508161027991.malone@wampee.canonical.com> Subject: [Bug 304636] Re: -hda FAT:. limited to 504MBytes 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="e34ce994f03aae76d4610a97bccf86c0f2cf9f70"; Instance="production" X-Launchpad-Hash: 6411f90d122acb6b86511ae39dbf0d9f1dda32d1 Received-SPF: none client-ip=91.189.90.7; envelope-from=bounces@canonical.com; helo=indium.canonical.com 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, SPF_HELO_NONE=0.001, SPF_NONE=0.001 autolearn=ham autolearn_force=no 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 304636 <304636@bugs.launchpad.net> Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" If you need OS portability then the "usb-mtp" device is also an option for adhoc file sharing. -- = You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/304636 Title: -hda FAT:. limited to 504MBytes Status in QEMU: Confirmed Status in qemu package in Ubuntu: Won't Fix Bug description: Binary package hint: qemu The size of the virtual FAT file system (for sharing a particular directo= ry with Guest OS) is hard-coded to be limited to 504MBytes, in block-vvfat.c -- /* 504MB disk*/ bs->cyls=3D1024; bs->heads=3D16; bs->secs=3D63; -- If the directory contents exceeds this is stops with an assert -- qemu: block-vvfat.c:97: array_get: Assertion `index < array->next' failed. Aborted -- Also the FAT16 mode (default) only uses 8KByte cluster sizes which preven= ts the above being increased. 16KByte and 32KByte sectors can be selected w= ith the following patch -- --- block-vvfat.c_orig 2008-12-02 12:37:28.000000000 -0700 +++ block-vvfat.c 2008-12-02 19:50:35.000000000 -0700 @@ -1042,6 +1042,12 @@ s->fat_type =3D 32; } else if (strstr(dirname, ":16:")) { s->fat_type =3D 16; + } else if (strstr(dirname, ":16-16K:")) { + s->fat_type =3D 16; + s->sectors_per_cluster=3D0x20; + } else if (strstr(dirname, ":16-32K:")) { + s->fat_type =3D 16; + s->sectors_per_cluster=3D0x40; } else if (strstr(dirname, ":12:")) { s->fat_type =3D 12; s->sector_count=3D2880; -- Cheers, Mungewell To manage notifications about this bug go to: https://bugs.launchpad.net/qemu/+bug/304636/+subscriptions