[Libguestfs] Having issues with virt-sparsify

[Simon Ruzgar]

Im having an issue running “virt-sparsify”, getting the following error:

root at server:# virt-sparsify --check-tmpdir warn --compress ws1709.qcow2 ws1709core.qcow2
Input disk virtual size = 34359738368 bytes (32.0G)
Create overlay file in /tmp to protect source disk ...
Examine source disk ...
Fatal error: exception Guestfs.Error("/usr/bin/supermin-helper exited with error status 1.
To see full error messages you may need to enable debugging.
See http://libguestfs.org/guestfs-faq.1.html#debugging-libguestfs")


Debug output:
root at server: # libguestfs-test-tool
     ************************************************************
     *                    IMPORTANT NOTICE
     *
     * When reporting bugs, include the COMPLETE, UNEDITED
     * output below in your bug report.
     *
     ************************************************************
PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
SELinux: sh: 1: getenforce: not found
guestfs_get_append: (null)
guestfs_get_backend: direct
guestfs_get_autosync: 1
guestfs_get_cachedir: /var/tmp
guestfs_get_direct: 0
guestfs_get_hv: /usr/bin/qemu-system-x86_64
guestfs_get_memsize: 500
guestfs_get_network: 0
guestfs_get_path: /usr/lib/guestfs
guestfs_get_pgroup: 0
guestfs_get_program: libguestfs-test-tool
guestfs_get_recovery_proc: 1
guestfs_get_selinux: 0
guestfs_get_smp: 1
guestfs_get_tmpdir: /tmp
guestfs_get_trace: 0
guestfs_get_verbose: 1
host_cpu: x86_64
Launching appliance, timeout set to 600 seconds.
libguestfs: launch: program=libguestfs-test-tool
libguestfs: launch: version=1.24.5
libguestfs: launch: backend registered: unix
libguestfs: launch: backend registered: uml
libguestfs: launch: backend registered: libvirt
libguestfs: launch: backend registered: direct
libguestfs: launch: backend=direct
libguestfs: launch: tmpdir=/tmp/libguestfsxEv0vt
libguestfs: launch: umask=0022
libguestfs: launch: euid=0
libguestfs: command: run: /usr/bin/supermin-helper
libguestfs: command: run: \ --verbose
libguestfs: command: run: \ -f checksum
libguestfs: command: run: \ --host-cpu x86_64
libguestfs: command: run: \ /usr/lib/guestfs/supermin.d
supermin helper [00000ms] whitelist = (not specified)
supermin helper [00000ms] host_cpu = x86_64
supermin helper [00000ms] dtb_wildcard = (not specified)
supermin helper [00000ms] inputs:
supermin helper [00000ms] inputs[0] = /usr/lib/guestfs/supermin.d
supermin helper [00000ms] outputs:
supermin helper [00000ms] kernel = (none)
supermin helper [00000ms] dtb = (none)
supermin helper [00000ms] initrd = (none)
supermin helper [00000ms] appliance = (none)
checking modpath /lib/modules/3.13.0-32-generic is a directory
checking modpath /lib/modules/3.19.0-68-generic is a directory
checking modpath /lib/modules/3.13.0-58-generic is a directory
picked kernel vmlinuz-3.19.0-68-generic
supermin helper [00000ms] finished creating kernel
supermin helper [00000ms] visiting /usr/lib/guestfs/supermin.d
supermin helper [00000ms] visiting /usr/lib/guestfs/supermin.d/daemon.img.gz
supermin helper [00000ms] visiting /usr/lib/guestfs/supermin.d/init.img
supermin helper [00000ms] visiting /usr/lib/guestfs/supermin.d/udev-rules.img
supermin helper [00000ms] adding kernel modules
supermin helper [00023ms] finished creating appliance
libguestfs: checksum of existing appliance: 8b61a04874843524a7b5c03f33b95dabf61f2fbdc20e633d59fc8d872c061678
libguestfs: [00024ms] begin building supermin appliance
libguestfs: [00024ms] run supermin-helper
libguestfs: command: run: /usr/bin/supermin-helper
libguestfs: command: run: \ --verbose
libguestfs: command: run: \ --copy-kernel
libguestfs: command: run: \ -f ext2
libguestfs: command: run: \ --host-cpu x86_64
libguestfs: command: run: \ /usr/lib/guestfs/supermin.d
libguestfs: command: run: \ --output-kernel /var/tmp/guestfs.jgjlPT/kernel
libguestfs: command: run: \ --output-initrd /var/tmp/guestfs.jgjlPT/initrd
libguestfs: command: run: \ --output-appliance /var/tmp/guestfs.jgjlPT/root
supermin helper [00000ms] whitelist = (not specified)
supermin helper [00000ms] host_cpu = x86_64
supermin helper [00000ms] dtb_wildcard = (not specified)
supermin helper [00000ms] inputs:
supermin helper [00000ms] inputs[0] = /usr/lib/guestfs/supermin.d
supermin helper [00000ms] outputs:
supermin helper [00000ms] kernel = /var/tmp/guestfs.jgjlPT/kernel
supermin helper [00000ms] dtb = (none)
supermin helper [00000ms] initrd = /var/tmp/guestfs.jgjlPT/initrd
supermin helper [00000ms] appliance = /var/tmp/guestfs.jgjlPT/root
checking modpath /lib/modules/3.13.0-32-generic is a directory
checking modpath /lib/modules/3.19.0-68-generic is a directory
checking modpath /lib/modules/3.13.0-58-generic is a directory
picked kernel vmlinuz-3.19.0-68-generic
supermin helper [00006ms] finished creating kernel
supermin helper [00224ms] finished mke2fs
supermin helper [00224ms] visiting /usr/lib/guestfs/supermin.d
supermin helper [00224ms] visiting /usr/lib/guestfs/supermin.d/daemon.img.gz
supermin helper [00240ms] visiting /usr/lib/guestfs/supermin.d/init.img
supermin helper [00241ms] visiting /usr/lib/guestfs/supermin.d/udev-rules.img
/usr/bin/supermin-helper: ext2: parent directory not found: /lib: File not found by ext2_lookup
libguestfs: error: /usr/bin/supermin-helper exited with error status 1, see debug messages above
libguestfs: command: run: rm
libguestfs: command: run: \ -rf /var/tmp/guestfs.jgjlPT
libguestfs-test-tool: failed to launch appliance
libguestfs: closing guestfs handle 0xed7150 (state 0)
libguestfs: command: run: rm
libguestfs: command: run: \ -rf /tmp/libguestfsxEv0vt

Many thanks
Simon

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