[Bug 1899794] Re: Error during refresh of snapd leads to unusable system

2022-05-26 Thread Maciej Borzecki
I believe a problem addressing snap-failure and snapd has been fixed a
couple of releases back. Should the problem persist, please leave a
comment.

** Changed in: snapd (Ubuntu)
   Status: New => Fix Released

** Changed in: snapd
   Status: Triaged => Fix Released

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Title:
  Error during refresh of snapd leads to unusable system

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[Bug 1899794] Re: Error during refresh of snapd leads to unusable system

2020-10-14 Thread Maciej Borzecki
As discussed on IRC with jibel, there was a package update happening
around from 07:01:25 to 07:03:53 on Oct 12.

Looking at the logs, I suspect the following happened:

- a reexeced snapd was running
- snapd package update requested systemctl restart snapd.service
- the snapd service hit a kill timeout (unclear why, there is a log that 
indicates a graceful shutdown did not happen after 25s, then systemd proceeds 
to kill the process, which exits due to SIGTERM)
- snapd.failure.service kicks in, calls systemctl reset-failed on snapd.service
- snapd.failure starts 'previous' snapd with SNAPD_REVERT_TO_REV, but that has 
no meaning, because on the last run, there was no update of snapd happening
- package update calls systemctl start snapd



- some time later (oct. 14 13:04:58) a refresh occurs in the process run from 
snap-failure, snapd exits, snapd.failure service finishes successfully
- snapd service is restarted and operates for a while
- reboot
- snapd service attempts to refresh the snapd snap, but is confused by the 
state not matching actual situation in the system

The problems we need to address is:
- make sure that is only one instance of snapd running
- investigate why snapd shutdown gets killed
- make sure that snapd started by snap-failure acts correctly when there was no 
snapd update

** Also affects: snapd
   Importance: Undecided
   Status: New

** Changed in: snapd
   Importance: Undecided => High

** Changed in: snapd
   Status: New => Triaged

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Title:
  Error during refresh of snapd leads to unusable system

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[Bug 1899794] Re: Error during refresh of snapd leads to unusable system

2020-10-14 Thread Jean-Baptiste Lallement
** Attachment added: "snapd.log"
   
https://bugs.launchpad.net/ubuntu/+source/snapd/+bug/1899794/+attachment/5422251/+files/snapd.log

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Title:
  Error during refresh of snapd leads to unusable system

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[Bug 1899794] Re: Error during refresh of snapd leads to unusable system

2020-10-14 Thread Jean-Baptiste Lallement
** Attachment added: "snapd.failure.service.log"
   
https://bugs.launchpad.net/ubuntu/+source/snapd/+bug/1899794/+attachment/5422250/+files/snapd.failure.service.log

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Title:
  Error during refresh of snapd leads to unusable system

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