Ubuntu
subiquity package

  1. Bug #2009141
  2. Comment #49

Comment 49 for bug 2009141

Revision history for this message
Olivier Gayot (ogayot) wrote : Re: [UBUNTU 22.04] OS installer exits for zfcp 32G adapter with an unknown error. An error occurred during installation

Hi,

> Does the installer really have a busy(!) waiting loop calling udevadm settle with zero timeout?
But even if so, with the number of discovered devices and the settle finally returning with success errorlevel 0, it should just work?

The installer wakes up and calls udevadm settle when a udev event matching SUBSYSTEM=block is received. If it feels like an active loop, it probably indicates that so many events are generated in close to no time.

I think the first step would be to understand what these events are ; and if the installer is somehow responsible for the burst.

Would you be able to capture the output `sudo udevadm monitor --subsystem-match=block` on the affected system? Ideally, we should capture once when the installer is not running, and once when it is running.

Ideally, we'd also need to understand more context about the FD error. It might be harmless edge-case (potentially caused by the burst) that we should raise as a warning instead of making it an error resulting in a crash report. Difficult to say for now.

Thanks,
Olivier