Hi,
IIRC in R3.2 VMs were started at boot time according to their dependency
on other VMs. Eg. - for a basic setup without whonix/tor/... - sys-net
would start first, then sys-firewall, and then other VMs configured to
start at boot time (in my case sys-usb, untrusted and work).
In R4.0 (rc3) I see that all the VMs start in parallel at boot time.
/usr/lib/systemd/system/[email protected] don't show any qubes specific
VM dependency mechanism, and neither do systemctl list-dependencies nor
systemd-analyze critical-chain qubes-vm@sys-firewall (for instance) show
a dependency on sys-net.
Q: is starting *all* the VMs in parallel the "new" way in R4.0 ?
I'm asking because each time I reboot, sys-net consistently fails with
the error message below so I'm wondering whether I'm hitting a totally
unrelated bug (in which case I'll open an issue) or if VMs in 4.0 have
to be started in a specific order but the mechanism isn't implemented
yet (or doesn't work in my case):
`Start failed: invalid argument: network device with mac [...] already
exists`
Note: sys-net has networking PCI devices assigned.
The odd thing is that sys-firewall always manages to start despite
sys-net's failure and other VMs "higher" in the dependency chain
(sys-usb, work, ...) also start successfully.
Starting sys-net manually fails with the same error as above. A helfpul
qubes-user list thread [1] hinted that sys-firewall had to be stopped
for sys-net to start successfully, so the workaround is to shutdown all
the VMs and start them manually according their dependency order - eg.
qvm-start sys-net, then sys-firewall, and then any of
sys-usb/work/untrusted/...
Ivan
PS: as always, kudos for the great work - I've switched to R4.0rc3 in
production with only very minimal issues so far in the past 2 weeks.
[1] https://groups.google.com/forum/#!topic/qubes-users/ta7yGkXoHYs
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