Otto Kratik wrote on 10/31/18 7:27 PM:
On Wednesday, October 31, 2018 at 7:49:43 AM UTC-4, awokd wrote:
Otto Kratik wrote on 10/31/18 2:28 AM:
Qubes 4.0
Whenever attempting to launch an app in a DVM, the result is always the same. The popup message
comes up saying "Disp1234 has started", and then nothing happens. Then about two minutes
later, another popup says "Disp1234 has halted". No app ever launches.
It doesn't matter what app I try.. xterm, konsole, firefox, dolphin, thunar,
tor browser, gedit, kwrite etc. Always the same behavior. Also doesn't matter
if I try from Q Menu shortcuts, command line in dom0, command line in another
AppVM.. no difference. Just the same type of message in the terminal, says it's
launching, then shuts down two minutes later with no output.
Doesn't make a difference either if I try to open a file in a DVM or just
straight launching an app. Nothing ever opens. Launching apps regularly from
normal AppVM's works perfectly all the time, just not DVM's.
Slight correction: About 1 in 10 times, launching Firefox from a
Fedora-template-based DVM succeeds. The other 9 times it fails. All other apps
fail 10 out of 10 times. And launching any app (including Firefox) from a
Whonix-ws-14-template-based DVM also fails 100% of the time as described above.
How is this issue best investigated and resolved?
Have you upgraded to Whonix 14 or customized the DVM? Try removing it
completely (you might have to temporarily change DVM defaults to a
different template), then recreating it with `sudo qubesctl state.sls
qvm.whonix-ws-14-dvm`. If that doesn't work, see
https://www.whonix.org/wiki/Qubes/Uninstall and
https://www.whonix.org/wiki/Qubes/Install to completely uninstall and
reinstall the workstation template and DVM. You can skip the gateway
steps if you've already upgraded it to 14 since it sounds like that's
still working.
It's a fresh install of Qubes 4 with freshly downloaded/installed Whonix 14/DVM
templates using the salt/qubesctl command mentioned above and in the
documentation. No customisations. So I doubt reinstalling would have any effect.
Whonix-ws-14 template works perfectly fine for running apps the normal way,
from AppVMs based upon it. No issue whatsoever. Only running them from
whonix-ws-14-dvm causes trouble.
However as I said, even trying to run apps from Fedora-26-dvm also fails the
majority of the time, so I'm not even convinced it's a whonix specific issue.
Rather a DVM one in general.
Any other things to try?
I missed that; you did mention Fedora too. Strange. You can try
"qvm-prefs fedora-26-dvm qrexec_timeout 120" (and for whonix-ws-14-dvm)
to raise the timeout from 60, but even 60 should be plenty of time to
start a DVM. Have you updated dom0 & templates?
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