Your message dated Wed, 19 Oct 2016 07:53:44 +0000
with message-id <[email protected]>
and subject line Bug#838766: fixed in virtualbox 5.1.8-dfsg-1
has caused the Debian Bug report #838766,
regarding virtualbox-qt: segfault while deleting a snapshot on a VM with two
virtual hard drives
to be marked as done.
This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.
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--
838766: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=838766
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
Package: virtualbox-qt
Version: 5.1.6-dfsg-2+b1
Severity: important
Dear Maintainer,
I am using VirtualBox (from the Debian repositories) for virtualisation. One of
my VMs uses two virtual hard drives (Fixed-size VDIs of 120 GBytes each,
visible to the guest as SATA drives). I am trying to delete the oldest snapshot
on this VM, so the "original" (fixed-size) VDI files are to be modified as
changes are merged back into them from the oldest "difference" VDIs. Snapshot
deletion was triggered using the "delete snaphot" button in the QT GUI; the
host system was freshly booted, and no VMs were running.
VirtualBox merges the "difference" VDI back into the first fixed-size VDI. It
then deletes the "difference" VDI from the host filesystem, but instead of
working on the second virtual disk, the progress indicator just disappears. The
snapshot is still visible; the Virtual media Manager lists the "difference" VDI
that was just being deleted as "missing" (so obviously, the media registry was
not updated).
dmesg delivers the message "[ 868.272600] DeleteSnap[2018]: segfault at 31 ip
000000000052bf8c sp 00007fb4b7b6d9c0 error 4 in VBoxSVC[400000+482000]" (the
precediung and following lines are not associated with VirtualBox). I have no
hints of physical media errors in the kernel log, so I consider the hard drive
as OK here.
htop shows that I am now having a total of three active VirtualBox processes,
which load two physical CPU cores at 100% each.
The expected behaviour would have been that nothing crashes, the VirtualBox
media registry is updated correctly, and the second virtual disk is processed
as well. Then, the configuration file for this VM shall be updated according to
the snapshot deletion, and the snapshot shall disappear from the snapshot tree.
I restored the VM from a backup and tried again, with the same result (however,
I did not check dmesg and htop in the 2nd attempt).
The last time I deleted snapshots for this VM was with VirtualBox 5.0.24; I did
not have trouble there. VirtualBox 5.1.6 now shows the described behaviour.
I have no problems with deleting snapshots for VMs that have only one virtual
hard drive in VirtualBox 5.1.6, so this seems to be linked to the number of
virtual drives.
-- System Information:
Debian Release: stretch/sid
APT prefers unstable
APT policy: (500, 'unstable')
Architecture: amd64 (x86_64)
Foreign Architectures: i386
Kernel: Linux 4.7.0-1-amd64 (SMP w/4 CPU cores)
Locale: LANG=de_DE.UTF-8, LC_CTYPE=de_DE.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)
Versions of packages virtualbox-qt depends on:
ii libc6 2.24-3
ii libgcc1 1:6.2.0-4
ii libgl1-mesa-glx [libgl1] 12.0.3-1
ii libqt5core5a 5.6.1+dfsg-3+b1
ii libqt5gui5 5.6.1+dfsg-3+b1
ii libqt5opengl5 5.6.1+dfsg-3+b1
ii libqt5printsupport5 5.6.1+dfsg-3+b1
ii libqt5widgets5 5.6.1+dfsg-3+b1
ii libqt5x11extras5 5.6.1-2
ii libstdc++6 6.2.0-4
ii libx11-6 2:1.6.3-1
ii libxcb1 1.11.1-1.1
ii libxext6 2:1.3.3-1
ii libxinerama1 2:1.1.3-1+b1
ii virtualbox 5.1.6-dfsg-2+b1
virtualbox-qt recommends no packages.
virtualbox-qt suggests no packages.
-- no debconf information
--- End Message ---
--- Begin Message ---
Source: virtualbox
Source-Version: 5.1.8-dfsg-1
We believe that the bug you reported is fixed in the latest version of
virtualbox, which is due to be installed in the Debian FTP archive.
A summary of the changes between this version and the previous one is
attached.
Thank you for reporting the bug, which will now be closed. If you
have further comments please address them to [email protected],
and the maintainer will reopen the bug report if appropriate.
Debian distribution maintenance software
pp.
Gianfranco Costamagna <[email protected]> (supplier of updated
virtualbox package)
(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing [email protected])
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256
Format: 1.8
Date: Wed, 19 Oct 2016 00:12:38 +0200
Source: virtualbox
Binary: virtualbox-qt virtualbox virtualbox-dkms virtualbox-source
virtualbox-guest-dkms virtualbox-guest-source virtualbox-guest-x11
virtualbox-guest-utils
Architecture: source
Version: 5.1.8-dfsg-1
Distribution: unstable
Urgency: medium
Maintainer: Debian Virtualbox Team
<[email protected]>
Changed-By: Gianfranco Costamagna <[email protected]>
Description:
virtualbox - x86 virtualization solution - base binaries
virtualbox-dkms - x86 virtualization solution - kernel module sources for dkms
virtualbox-guest-dkms - x86 virtualization solution - guest addition module
source for dk
virtualbox-guest-source - x86 virtualization solution - guest addition module
source
virtualbox-guest-utils - x86 virtualization solution - non-X11 guest utilities
virtualbox-guest-x11 - x86 virtualization solution - X11 guest utilities
virtualbox-qt - x86 virtualization solution - Qt based user interface
virtualbox-source - x86 virtualization solution - kernel module source
Closes: 828593 838766
Changes:
virtualbox (5.1.8-dfsg-1) unstable; urgency=medium
.
* New upstream release.
- builds with new openssl 1.1 (Closes: #828593)
- fix double snapshot deletion crash (Closes: #838766)
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