Public bug reported:
Summary:
I attempted to install Ubuntu 20.04 Server on a Hyper-V virtual machine. I
configured the VM with two network interfaces, one facing my regular, "real"
network, the other facing an internal (not private) network--with no route to
the Internet. When the installer ran, the external interface mapped to eth0 and
DHCP provided the correct information; the internal interface mapped to eth1
and DHCP provided the correct information.
While 'snap' was 'looking for a newer version of the installer', the
system restarted, and when the installer opened again it informed me
that it had crashed. I tried to browse the crash report to find the
actual error, but honestly I got tired of trying to scroll through all
the chaff (I apparently held down End too long, and it never stopped
scrolling). I also tried to 'send the error report to Canonical', which
caused another crash.
At this point I restarted, and in the installer's network interface
configuration, I disabled the internal interface. After this the
installer proceeded normally.
Of course, the actual cause is speculative since I don't have an error
report, but it seems likely that the installer or some component of it
tried to use the eth1 interface to 'look for a newer version of the
installer', and did not gracefully fail when it turned out to be
impossible to reach the Internet through said interface.
What I expected to happen:
Installer continues normally.
What actually happened:
Installer crashed.
'lsb_release -rd':
Description: Ubuntu 20.04 LTS
Release: 20.04
Version of Package:
I don't know what the package was.
** Affects: ubuntu
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1890451
Title:
Ubuntu 20.04 Server installer crashes while looking for updated
installer when a network interface exists that does not have Internet
access
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