VirtualBox

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Ticket Resolution Summary Owner Reporter
#836 duplicate i can´t use more than one DVD physical drive with VirtualBox in Ubuntu javier fernandez
Description

i am using VirtualBox OSE in Ubuntu 7.10 and i have 2 DVD drives

when selecting DVD drives for my virtual machines i just can select one of those

#837 fixed NAT networking connection lost after making new snapshot => Fixed in 1.5.4 Frans Pop
Description

NAT networking works perfectly until I make a snapshot. Immediately after that I get "temporary failure in name resolution" errors, i.e. that the system can no longer contact the DNS server. Attempts to connect using IP address fail with "no route to host". Retrying does not help.

If I revert to that same snapshot and restart the VM, the _first_ attempt to e.g. scp a file will mostly fail. However, a second attempt will succeed. After that, networking is completely reliable again.

This issue is 100% reproducible.

Context: Using a Debian Installer CD image to install a new system Host system: Pentium D SMP x86_64 system running Linux 2.6.23 VM: VirtualBox 1.5.2 running 2.6.22 kernel

This report is based on my mail to the user list: http://vbox.innotek.de/pipermail/vbox-users/2007-October/002362.html

#838 fixed Mounting CD inside VM fails first time after changing image Frans Pop
Description

I boot the installer using with the VM's CD pointing to an ISO CD image (CD1). During the installation I need to switch to a different image (CD2). Even if I do that procedure completely manually, the first mount command will always fail.

# umount /cdrom
/* use virtual disk manager to change CD ISO image */
# mount /dev/hdc /cdrom
mount: you must specify the filesystem type
# mount /dev/hdc /cdrom
mount: block device /dev/hdc is write-protected, mounting read-only
/* use virtual disk manager to change CD ISO image */
# mount /cdrom
mount: no medium found
# mount /cdrom
mount: block device /dev/hdc is write-protected, mounting read-only
# umount /cdrom

There is one strange thing: I can only reproduce this when using the Debian kernel compiled for a 486 processor (which is the one used in the Installer), not with the one compiled for a 686 processor. I can provide the kernel configs if needed.

I first experienced the problem during installation, but also reproduced it in an installed Debian system after booting it with the 486 kernel.

As this problem does not occur in vmware, I think it must be an issue in VirtualBox.

Context: Using a Debian Installer CD image to install a new system
Host system: Pentium D SMP x86_64 system running Linux 2.6.23
VM: VirtualBox 1.5.2 running 2.6.22 kernel

This report is based on my mail to the user list:
http://vbox.innotek.de/pipermail/vbox-users/2007-October/002362.html

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