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Container Linux frequently hangs early during boot #2593
Container Linux usually gets stuck early during the boot process, at the following point:
I've left it for minutes at this point without any activity.
The server does successfully boot sometimes, but it often takes 5-10 restarts before this happens.
Container Linux Version
We've also seen this behaviour on older versions, going back to at least
Bare metal, MSI Cubi 2
Container Linux proceeds through the boot process as normal.
Container Linux gets stuck early during the boot process.
No specific steps required. Rebooting the server a few times will trigger the issue.
I've tried adding
I believe this started happening some time after I first started using Container Linux on these machines approximately a year ago. Unfortunately I don't have it running on any other hardware to compare behaviour.
If anybody can suggest anything I can do to debug further, that'd be very helpful.
Thanks for the report! My gut says this is grub bug considering there's nothing printed by the kernel. Are you UEFI booting or BIOS booting?
You might try playing around with various grub debugging levels. You can set them with
Unfortunately we haven't seen any of this on our tests or hardware, which makes it hard to debug from our side.