Ah. I was using 'chroot /target ping www.google.com', not 'in-target'
since 'in-target' takes a lock and doesn't allow you to run it while
other commands are installing.
If I wait until the target setup has finished and then run 'in-target
ping www.google.com', I also see this name resolution failure.
It turns out that 'in-target' mounts a tmpfs on /run each time that it's
called, and unmounts it when it's done. But the stub resolv.conf target
is in the /run directory on the target filesystem, *not* on the tmpfs.
To fix this, we need:
- /run to be mounted before packages start writing to it
- /run to persist for the duration of the install process, so that files like
/run/systemd/resolve/stub-resolv.conf don't disappear after they've been set up.
** Changed in: debian-installer (Ubuntu)
Importance: Undecided => High
** Changed in: debian-installer (Ubuntu)
Status: Incomplete => Triaged
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https://bugs.launchpad.net/bugs/1717038
Title:
name resolution fails in-target
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