Hello Georgi, On Mon, 07 May 2018 10:55:04 +0300 Georgi Naplatanov <[email protected]> wrote:> Package: virtualbox > Version: 5.2.10-dfsg-6~bpo9+1 > Severity: normal > > Dear Maintainer, > > I installed VirtualBox 5.2 and when I/O cache is switched on, IO is very slow. > > Steps to reproduce: > > 1. Create a virtual machine with Debian or Ubuntu > 2. Switch "Use Host I/O Cache" on, on SATA controller. > 3. Try to upgrade existing packages or install new in the virtial machine. I > have spinning disks on my host computer and they become noisy and IO speed is > between 900KB/s and 1.3 MB/s during installation or upgrade of packages. I > had no such problem with VirtualBox 5.1. >
can you please report this bug upstream and post the bug number here? https://www.virtualbox.org/wiki/Bugtracker thanks G. > Kind regards > Georgi > > -- System Information: > Debian Release: 9.4 > APT prefers stable-updates > APT policy: (500, 'stable-updates'), (500, 'stable') > Architecture: amd64 (x86_64) > > Kernel: Linux 4.9.0-6-amd64 (SMP w/4 CPU cores) > Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), > LANGUAGE=en_US:en (charmap=UTF-8) > Shell: /bin/sh linked to /bin/dash > Init: systemd (via /run/systemd/system) > > Versions of packages virtualbox depends on: > ii adduser 3.115 > ii init-system-helpers 1.48 > ii iproute2 4.9.0-1+deb9u1 > ii libc6 2.24-11+deb9u3 > ii libcurl3-gnutls 7.52.1-5+deb9u5 > ii libdevmapper1.02.1 2:1.02.137-2 > ii libgcc1 1:6.3.0-18+deb9u1 > ii libgsoap10 2.8.35-4+deb9u1 > ii libopus0 1.2~alpha2-1 > ii libpng16-16 1.6.28-1 > ii libpython3.5 3.5.3-1 > ii libsdl1.2debian 1.2.15+dfsg1-4 > ii libssl1.1 1.1.0f-3+deb9u2 > ii libstdc++6 6.3.0-18+deb9u1 > ii libvncserver1 0.9.11+dfsg-1 > ii libvpx4 1.6.1-3+deb9u1 > ii libx11-6 2:1.6.4-3 > ii libxcursor1 1:1.1.14-1+deb9u1 > ii libxext6 2:1.3.3-1+b2 > ii libxml2 2.9.4+dfsg1-2.2+deb9u2 > ii libxmu6 2:1.1.2-2 > ii libxt6 1:1.1.5-1 > ii procps 2:3.3.12-3 > ii python3 3.5.3-1 > ii python3.5 3.5.3-1 > ii virtualbox-dkms [virtualbox-modules] 5.2.10-dfsg-6~bpo9+1 > ii zlib1g 1:1.2.8.dfsg-5 > > Versions of packages virtualbox recommends: > ii libgl1-mesa-glx [libgl1] 13.0.6-1+b2 > ii libqt5core5a 5.7.1+dfsg-3+b1
