$ cat /boot/config-5.0.0-16-generic | grep LOG_BUF CONFIG_LOG_BUF_SHIFT=18 CONFIG_PRINTK_SAFE_LOG_BUF_SHIFT=13
$ uname -a Linux doerfel 5.0.0-16-generic #17-Ubuntu SMP Wed May 15 10:54:19 UTC 2019 aarch64 aarch64 aarch64 GNU/Linux
And journal shows complete kernel boot messages, thus this all now good on disco.
$ cat /boot/config- 5.0.0-16- generic | grep LOG_BUF LOG_BUF_ SHIFT=18 PRINTK_ SAFE_LOG_ BUF_SHIFT= 13
CONFIG_
CONFIG_
$ uname -a
Linux doerfel 5.0.0-16-generic #17-Ubuntu SMP Wed May 15 10:54:19 UTC 2019 aarch64 aarch64 aarch64 GNU/Linux
And journal shows complete kernel boot messages, thus this all now good on disco.