Libguestfs - Mar 2013 - Fwd: [Bug 916990] inspect_os: mount_ro: /dev/sda on / (options: 'ro'): mount: /dev/sda is already mounted or /sysroot busy

More evidence this is a real bug affecting users.  I still have no
idea why this bug happens.

Rich.

----- Forwarded message from bugzilla at redhat.com -----

Date: Tue, 05 Mar 2013 20:29:23 +0000
Subject: [Bug 916990] inspect_os: mount_ro: /dev/sda on / (options:
'ro'):
	mount: /dev/sda is already mounted or /sysroot busy

Product: Virtualization Tools
https://bugzilla.redhat.com/show_bug.cgi?id=916990

Joe Ryner changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |jryner at cait.org

--- Comment #1 from Joe Ryner <jryner at cait.org> ---
I had the same error and am providing the trace below.  Fedora 18 latest update
as of 3/5/13

stone-v4: 100% [=====================================================]D
0h54m39s
libguestfs: trace: set_attach_method "appliance"
libguestfs: trace: set_attach_method = 0
libguestfs: trace: add_drive "/var/lib/libvirt/images/stone-v4"
"format:raw"
"iface:ide" "name:xvda"
libguestfs: trace: add_drive = 0
libguestfs: trace: add_drive "/tmp/PKKXoKFY2u"
"readonly:true" "format:raw"
"iface:ide"
libguestfs: trace: add_drive = 0
libguestfs: trace: set_network true
libguestfs: trace: set_network = 0
libguestfs: trace: launch
libguestfs: trace: get_tmpdir
libguestfs: trace: get_tmpdir = "/tmp"
libguestfs: trace: get_cachedir
libguestfs: trace: get_cachedir = "/var/tmp"
libguestfs: trace: launch = 0
libguestfs: trace: list_devices
libguestfs: trace: list_devices = ["/dev/sda", "/dev/sdb"]
libguestfs: trace: inspect_os
libguestfs: trace: umount_all
libguestfs: trace: umount_all = 0
libguestfs: trace: list_devices
libguestfs: trace: list_devices = ["/dev/sda", "/dev/sdb"]
libguestfs: trace: vfs_type "/dev/sda"
libguestfs: trace: vfs_type = ""
libguestfs: trace: isoinfo_device "/dev/sda"
libguestfs: trace: isoinfo_device = NULL (error)
libguestfs: trace: mount_ro "/dev/sda" "/"
libguestfs: trace: mount_ro = -1 (error)
libguestfs: trace: vfs_type "/dev/sdb"
libguestfs: trace: vfs_type = "iso9660"
libguestfs: trace: isoinfo_device "/dev/sdb"
libguestfs: trace: isoinfo_device = <struct guestfs_isoinfo *>
libguestfs: trace: inspect_os = NULL (error)
libguestfs: trace: close
libguestfs: trace: internal_autosync
libguestfs: trace: internal_autosync = 0
inspect_os: mount_ro: /dev/sda on / (options: 'ro'): mount: /dev/sda is
already
mounted or /sysroot busy at
/usr/share/perl5/vendor_perl/Sys/VirtConvert/GuestfsHandle.pm line 194.
 at /usr/bin/virt-v2v line 672.

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-- 
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
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