Public bug reported:
The refresh to a new kernel snap is failing in uc18 image. Something
important to remark is that the DTB's for the new kernel were installed,
but it still failed to complete the refresh to the new kernel
Steps to reproduce
I am using a rpi3 and I create an uc18 arm64 image using the following
snaps
$ snap list
core18 2127
core20 1084
pi 81
pi-kernel 278
snapd 12967
Then, once the image is booted, I login and refresh snapd and pi gadget
$ sudo snap refresh snapd --beta
2021-09-27T20:49:56Z INFO Waiting for automatic snapd restart...
snapd (beta) 2.52 from Canonical✓ refreshed
$ sudo snap refresh pi --stable
pi (18-pi/stable) 18-1 from Canonical✓ refreshed
Then I refresh pi-kernel snap
$ sudo snap refresh pi-kernel --stable
Make current revision for snap "pi-kernel" unavailable
\
Broadcast message from root@localhost (Mon 2021-09-27 20:55:04 UTC):
But it fails
7 Error today at 20:54 UTC today at 20:56 UTC Refresh "pi-kernel"
snap
sergio-j-cazzolato@localhost:~$ snap change 7
Status Spawn Ready Summary
Done today at 20:54 UTC today at 20:56 UTC Ensure prerequisites for
"pi-kernel" are available
Undone today at 20:54 UTC today at 20:56 UTC Download snap "pi-kernel" (343)
from channel "18-pi/stable"
Done today at 20:54 UTC today at 20:56 UTC Fetch and check assertions for
snap "pi-kernel" (343)
Undone today at 20:54 UTC today at 20:56 UTC Mount snap "pi-kernel" (343)
Undone today at 20:54 UTC today at 20:56 UTC Run pre-refresh hook of
"pi-kernel" snap if present
Undone today at 20:54 UTC today at 20:56 UTC Stop snap "pi-kernel" services
Undone today at 20:54 UTC today at 20:56 UTC Remove aliases for snap
"pi-kernel"
Undone today at 20:54 UTC today at 20:56 UTC Make current revision for snap
"pi-kernel" unavailable
Done today at 20:54 UTC today at 20:56 UTC Update assets from kernel
"pi-kernel" (343)
Undone today at 20:54 UTC today at 20:56 UTC Copy snap "pi-kernel" data
Undone today at 20:54 UTC today at 20:56 UTC Setup snap "pi-kernel" (343)
security profiles
Undone today at 20:54 UTC today at 20:56 UTC Make snap "pi-kernel" (343)
available to the system
Error today at 20:54 UTC today at 20:56 UTC Automatically connect eligible
plugs and slots of snap "pi-kernel"
Hold today at 20:54 UTC today at 20:56 UTC Set automatic aliases for snap
"pi-kernel"
Hold today at 20:54 UTC today at 20:56 UTC Setup snap "pi-kernel" aliases
Hold today at 20:54 UTC today at 20:56 UTC Run post-refresh hook of
"pi-kernel" snap if present
Hold today at 20:54 UTC today at 20:56 UTC Start snap "pi-kernel" (343)
services
Hold today at 20:54 UTC today at 20:56 UTC Clean up "pi-kernel" (343)
install
Hold today at 20:54 UTC today at 20:56 UTC Run configure hook of
"pi-kernel" snap if present
Hold today at 20:54 UTC today at 20:56 UTC Run health check of "pi-kernel"
snap
Done today at 20:54 UTC today at 20:56 UTC Handling re-refresh of
"pi-kernel" as needed
......................................................................
Make snap "pi-kernel" (343) available to the system
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Description changed:
The refresh to a new kernel snap is failing in uc18 image. Something
important to remark is that the DTB's for the new kernel were installed,
but it still failed to complete the refresh to the new kernel
Steps to reproduce
I am using a rpi3 and I create an uc18 arm64 image using the following
snaps
$ snap list
- Name Version Rev Tracking Publisher Notes
- core18 20210722 2127 latest/stable canonical✓ base
- core20 20210702 1084 latest/stable canonical✓ base
- pi 18-1 81 18-pi/stable canonical✓ gadget
- pi-kernel 5.3.0-1040.42 278 18-pi/stable canonical✓ kernel
- snapd 2.52 13269 latest/beta canonical✓ snapd
+ core18 2127
+ core20 1084
+ pi 81
+ pi-kernel 278
+ snapd 12967
Then, once the image is booted, I login and refresh snapd and pi gadget
$ sudo snap refresh snapd --beta
2021-09-27T20:49:56Z INFO Waiting for automatic snapd restart...
snapd (beta) 2.52 from Canonical✓ refreshed
$ sudo snap refresh pi --stable
pi (18-pi/stable) 18-1 from Canonical✓ refreshed
Then I refresh pi-kernel snap
$ sudo snap refresh pi-kernel --stable
Make current revision for snap "pi-kernel" unavailable
\
Broadcast message from root@localhost (Mon 2021-09-27 20:55:04 UTC):
But it fails
7 Error today at 20:54 UTC today at 20:56 UTC Refresh "pi-kernel"
snap
sergio-j-cazzolato@localhost:~$ snap change 7
Status Spawn Ready Summary
Done today at 20:54 UTC today at 20:56 UTC Ensure prerequisites for
"pi-kernel" are available
Undone today at 20:54 UTC today at 20:56 UTC Download snap "pi-kernel"
(343) from channel "18-pi/stable"
Done today at 20:54 UTC today at 20:56 UTC Fetch and check assertions
for snap "pi-kernel" (343)
Undone today at 20:54 UTC today at 20:56 UTC Mount snap "pi-kernel" (343)
Undone today at 20:54 UTC today at 20:56 UTC Run pre-refresh hook of
"pi-kernel" snap if present
Undone today at 20:54 UTC today at 20:56 UTC Stop snap "pi-kernel" services
Undone today at 20:54 UTC today at 20:56 UTC Remove aliases for snap
"pi-kernel"
Undone today at 20:54 UTC today at 20:56 UTC Make current revision for
snap "pi-kernel" unavailable
Done today at 20:54 UTC today at 20:56 UTC Update assets from kernel
"pi-kernel" (343)
Undone today at 20:54 UTC today at 20:56 UTC Copy snap "pi-kernel" data
Undone today at 20:54 UTC today at 20:56 UTC Setup snap "pi-kernel" (343)
security profiles
Undone today at 20:54 UTC today at 20:56 UTC Make snap "pi-kernel" (343)
available to the system
Error today at 20:54 UTC today at 20:56 UTC Automatically connect
eligible plugs and slots of snap "pi-kernel"
Hold today at 20:54 UTC today at 20:56 UTC Set automatic aliases for
snap "pi-kernel"
Hold today at 20:54 UTC today at 20:56 UTC Setup snap "pi-kernel" aliases
Hold today at 20:54 UTC today at 20:56 UTC Run post-refresh hook of
"pi-kernel" snap if present
Hold today at 20:54 UTC today at 20:56 UTC Start snap "pi-kernel" (343)
services
Hold today at 20:54 UTC today at 20:56 UTC Clean up "pi-kernel" (343)
install
Hold today at 20:54 UTC today at 20:56 UTC Run configure hook of
"pi-kernel" snap if present
Hold today at 20:54 UTC today at 20:56 UTC Run health check of
"pi-kernel" snap
Done today at 20:54 UTC today at 20:56 UTC Handling re-refresh of
"pi-kernel" as needed
......................................................................
Make snap "pi-kernel" (343) available to the system
--
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https://bugs.launchpad.net/bugs/1945242
Title:
Failed to refresh to pi-kernel rev 343 on uc18
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