@Rex, I tried to install the gnome-3-28-1804 from stable, and built a new image, after testing, I found there were still same issue. And it was hang at gnome-3-28-1804.
$snap version snap 2.39 snapd 2.39 series 16 ubuntu 18.04 kernel 4.15.0-1038-oem $snap info core name: core summary: snapd runtime environment publisher: Canonical* license: unset description: | The core runtime environment for snapd type: core snap-id: 99T7MUlRhtI3U0QFgl5mXXESAiSwt776 tracking: stable refresh-date: today at 05:03 EDT channels: stable: 16-2.39 2019-05-22 (6964) 92MB - candidate: 16-2.39 2019-05-07 (6964) 92MB - beta: 16-2.39.1 2019-05-29 (7121) 92MB - edge: 16-2.39.1+git1319.1f92067 2019-05-31 (7134) 92MB - installed: 16-2.39 (6964) 92MB core $ snap change 1 Status Spawn Ready Summary Done today at 05:03 EDT today at 05:03 EDT Ensure prerequisites for "core" are available Done today at 05:03 EDT today at 05:03 EDT Prepare snap "/var/lib/snapd/seed/snaps/core_6964.snap" (6964) Done today at 05:03 EDT today at 05:03 EDT Mount snap "core" (6964) Done today at 05:03 EDT today at 05:03 EDT Copy snap "core" data Done today at 05:03 EDT today at 05:03 EDT Setup snap "core" (6964) security profiles Done today at 05:03 EDT today at 05:03 EDT Make snap "core" (6964) available to the system Done today at 05:03 EDT today at 05:03 EDT Automatically connect eligible plugs and slots of snap "core" Done today at 05:03 EDT today at 05:03 EDT Set automatic aliases for snap "core" Done today at 05:03 EDT today at 05:03 EDT Setup snap "core" aliases Done today at 05:03 EDT today at 05:03 EDT Run install hook of "core" snap if present Done today at 05:03 EDT today at 05:03 EDT Start snap "core" (6964) services Done today at 05:03 EDT today at 05:03 EDT Run configure hook of "core" snap if present Doing today at 05:03 EDT - Ensure prerequisites for "gnome-3-28-1804" are available Do today at 05:03 EDT - Prepare snap "/var/lib/snapd/seed/snaps/gnome-3-28-1804_47.snap" (47) .... ** Attachment added: "seed.yaml" https://bugs.launchpad.net/ubuntu/+source/snapd/+bug/1828604/+attachment/5268007/+files/seed.yaml -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1828604 Title: Lenovo T490S and X390 GM do not have Firefox.App store install errors out To manage notifications about this bug go to: https://bugs.launchpad.net/oem-priority/+bug/1828604/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
