The default kernel config now protects the dmesg buffer, so LinuxCNC tests fail.
There is a workaround: sudo sysctl kernel.dmesg_restrict=0
But if you could turn this off in your Kconfig patch?
CONFIG_SECURITY_DMESG_RESTRICT:
This enforces restrictions on unprivileged users reading the kernel
syslog via dmesg(8).
If this option is not selected, no restrictions will be enforced
unless the dmesg_restrict sysctl is explicitly set to (1).
If you are unsure how to answer this question, answer N.
Symbol: SECURITY_DMESG_RESTRICT [=n]
Type : bool
│
Prompt: Restrict unprivileged access to the kernel syslog
Location:
│
-> Security options
│
Defined at security/Kconfig:9
--
atp
"A motorcycle is a bicycle with a pandemonium attachment and is
designed for the especial use of mechanical geniuses, daredevils and
lunatics."
— George Fitch, Atlanta Constitution Newspaper, 1912
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