init hangs when debug is specified

Bug #1829730 reported by Bas Zoetekouw on 2019-05-20
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
initramfs-tools (Ubuntu)
Undecided
Unassigned

Bug Description

When specifying "debug" on the kernel command line in order to catch initramfs debug info, the init hangs. It's quite early in the boot process (certainly before pre-mount is called, as I don't see anything relating to btrfs scan and resuming from hibernation).

╰─▶ uname -a
Linux regan 5.0.0-13-generic #14-Ubuntu SMP Mon Apr 15 14:59:14 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux

╰─▶ dpkg -l initramfs-tools
Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
||/ Name Version Architecture Description
+++-===============-============-============-================================================
ii initramfs-tools 0.133ubuntu2 all generic modular initramfs generator (automation)

╰─▶ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu Eoan Ermine (development branch)
Release: 19.10
Codename: eoan

description: updated
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