So I tried kernels 4.2.8, 4.1.0 and 3.13.11.11 . All show the same
beaviour: kernel panic after warm reboot. However now I played with the
setting of Virtual Box and switched back the network adapter type
paravirtualized network (virtio-net) from to Virtual Box's default Intel
Pro/1000 MT Desktop OEM). As far I can remember this was probably before
the update to kernel 4.3 from 4.2. Thus the latter has to say nothing.
As the network performance seems to be roughly the same, this solves the
bug for me, or is at least a reasonable workaround for a productive
machine.
Thus all looks like it is really a bug in Virtual Box as I have
indicated in my first posting?
Thanx for your great help! Should I or can I close this bug then, or
switch it to the Virtual Box Team, or Christopher, could you do this?
Chris
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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https://bugs.launchpad.net/bugs/1531455
Title:
reboot under Oracle Virtual Box not possible
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