----- Original Message -----
From: "Alexander Kobel" <a-ko...@a-kobel.de>
To: "Phil Holmes" <m...@philholmes.net>; <lilypond-devel@gnu.org>
Sent: Wednesday, June 29, 2016 4:42 PM
Subject: Re: Fun with upgrades - not
Hi Phil,
I had a bit of trouble to parse your setup description. IIUC, you used to
have a machine with
- Ubuntu 10.04 running natively as host
- VirtualBox environment on this one
- LilyDev/Ubuntu 12.04 VM
- Windows Vista VM
- Windows 7 VM
No Vista VM - that's a real PC. Otherwise correct.
and want to go to
- Ubuntu 14.04. running natively as host
- VirtualBox environment on this one
- possibly a LilyDev/Ubuntu 12.04 VM ?
- Windows Vista VM
- Windows 7 VM
Correct? Or will you just install a Win7 on your shiny new piece of
hardware and keep Ubuntu on the old one?
I did want to use a Win7 VM, but will now not do so - I 'll use my new PC
when it arrives. As before - no Vista - just the Ubuntu VM for my GUB
environment.
W.r.t. the mountpoints, have a look at
http://askubuntu.com/questions/336518/why-has-ubuntu-moved-the-default-mount-points#336580
for an explanation and
http://askubuntu.com/questions/214646/how-to-configure-the-default-automount-location/276670#276670
for a way to go back to the pre-10.10-behavior (untested though, I'm quite
happy with the new behavior on Arch Linux here).
That different users cannot access the drive with the new default is the
intended feature, not a bug, though it might come unexpected.
For a quick-and-dirty solution, you can check whether symlinks (con: not a
"proper" directory; pro: simple and persistent over reboots) or
bind-mounts (pro: proper directory; con: more difficult to setup, in
particular if you want them for automounted drives) serve the same
purpose. Also, mounting a device multiple times as Wol suggested is no
problem at all.
Thanks. Will check that out if needed.
Finding out why the VM became slow sounds difficult. I am a VirtualBox
user, too, but never experienced severe problems - on the other hand, I
basically use it once a year for the tax declaration, and even less often
to buy sheet music on sites which ship Scorch files. In contrast,
Lightroom sounds like an application that might be interested in direct
access to the graphics hardware. I assume that there comes a newer
VirtualBox with 14.04 than the one on 10.04; I suggest to double-check
whether there is a setting that enables or disables GPU support and/or PCI
passthrough. The explanations here
https://blogs.oracle.com/fatbloke/entry/3d_acceleration_with_ubuntu_guests
might still be valid (don't miss out on the vboxvideo module part, could
be important...).
Thanks again. I did conclude that the problem with LightRoom was probably
GPU related, since it's a fairly sophisticated graphics package.
--
Phil Holmes
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