NetBSD Problem Report #42912
From www@NetBSD.org Tue Mar 2 14:24:50 2010
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Date: Tue, 2 Mar 2010 14:24:49 +0000 (UTC)
From: hugo@barafranca.com
Reply-To: hugo@barafranca.com
To: gnats-bugs@NetBSD.org
Subject: Xen HVM guests detect a 0 MBytes hard disk in some situations (QEMU related?)
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>Number: 42912
>Category: pkg
>Synopsis: Xen HVM guests detect a 0 MBytes hard disk in some situations (QEMU related?)
>Confidential: no
>Severity: serious
>Priority: medium
>Responsible: haad
>State: closed
>Class: sw-bug
>Submitter-Id: net
>Arrival-Date: Tue Mar 02 14:25:00 +0000 2010
>Closed-Date: Mon Jun 20 05:33:40 +0000 2011
>Last-Modified: Mon Jun 20 05:33:40 +0000 2011
>Originator: Hugo Silva
>Release: NetBSD 5.99.24
>Organization:
>Environment:
NetBSD 5.99.24 NetBSD 5.99.24 (XEN3_DOM0) #0: Sun Feb 28 19:27:54 WET 2010 root@:/usr/obj/sys/arch/amd64/compile/XEN3_DOM0 amd64
>Description:
QEMU detects a 0 MBytes hard disk in certain situations (see below), rendering the virtual machine (Xen HVM guest) unusable.
xentools33-3.3.2nb2 Userland Tools for Xen 3.3.x
xenkernel33-3.3.2 Xen 3.3.2 Kernel
-----
/dev/wd5d: (doesn't work)
xbd backend: attach device wd5d (size 2930277168) for domain 10
qemu: could not open vbd '/local/domain/10/device/vbd/768/phantom_vbd' \
or hard disk image '/dev/wd5d' (drv 'phy' format 'raw')
-----
-----
/dev/rwd5d: (works)
xbdback backend/vbd/11/768: unknown device 0x353 (major=3)
nothing in the qemu log.
-----
-----
/dev/mapper/testvg0-freebsd0: (doesn't work)
xbdback backend/vbd/7/768: can't VOP_OPEN device 0xa908: 16
qemu: could not open vbd '/local/domain/7/device/vbd/768/phantom_vbd' \
or hard disk image '/dev/mapper/testvg0-freebsd0' (drv 'phy' format 'raw')
-----
-----
/dev/mapper/rtestvg0-freebsd0: (doesn't work)
xbdback backend/vbd/8/768: unknown device 0xc208 (major=194)
nothing in the qemu log.
-----
>How-To-Repeat:
Try to use Xen HVM guest with an equivalent of:
disk = [
'phy:/dev/mapper/testvg0-freebsd0,hda,w',
'file:/tmp/8.0-RELEASE-amd64-disc1.iso,hdc:cdrom,r'
]
Then launch the VM.
>Fix:
>Release-Note:
>Audit-Trail:
Responsible-Changed-From-To: pkg-manager->cegger
Responsible-Changed-By: obache@NetBSD.org
Responsible-Changed-When: Wed, 03 Mar 2010 02:18:06 +0000
Responsible-Changed-Why:
Could you take this?
Responsible-Changed-From-To: cegger->haad
Responsible-Changed-By: haad@NetBSD.org
Responsible-Changed-When: Wed, 03 Mar 2010 13:58:11 +0000
Responsible-Changed-Why:
I'm actively working on this issue.
State-Changed-From-To: open->feedback
State-Changed-By: haad@NetBSD.org
State-Changed-When: Fri, 07 Jan 2011 08:09:42 +0000
State-Changed-Why:
This problem fix was submitted to qemu people several times. It should be fixed now
patch was submited here
http://lists.gnu.org/archive/html/qemu-devel/2010-09/msg01581.html
State-Changed-From-To: feedback->closed
State-Changed-By: haad@NetBSD.org
State-Changed-When: Mon, 20 Jun 2011 05:33:40 +0000
State-Changed-Why:
Patch was submited to qemu-devel twice, later mbouyer@added this patch to pkgsrc.
>Unformatted:
(Contact us)
$NetBSD: query-full-pr,v 1.39 2013/11/01 18:47:49 spz Exp $
$NetBSD: gnats_config.sh,v 1.8 2006/05/07 09:23:38 tsutsui Exp $
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