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While running an Ubuntu kernel (not a mainline or third-party kernel)
please enter the following command in a terminal window:
apport-collect 2021563
and then change the status of the bug to 'Confirmed'.
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This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.
** Changed in: linux (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/2021563
Title:
Unknown kernel command line parameters
Status in linux package in Ubuntu:
Incomplete
Bug description:
oot@prod:/home/bernie22# journalctl -b |grep lockdown
Mai 30 08:25:44 prod kernel: Command line:
BOOT_IMAGE=/boot/vmlinuz-5.19.0-42-generic
root=UUID=6f01374f-146b-402e-b36b-23f040ef48d2 ro security_lockdown_lsm_early
lockdown=confidentiality ro quiet noplymouth ipv6.disable=1
initcall_blacklist=serial8250_init
Mai 30 08:25:44 prod kernel: Kernel is locked down from command line; see man
kernel_lockdown.7
Mai 30 08:25:44 prod kernel: Kernel command line:
BOOT_IMAGE=/boot/vmlinuz-5.19.0-42-generic
root=UUID=6f01374f-146b-402e-b36b-23f040ef48d2 ro security_lockdown_lsm_early
lockdown=confidentiality ro quiet noplymouth ipv6.disable=1
initcall_blacklist=serial8250_init
Mai 30 08:25:44 prod kernel: Unknown kernel command line parameters
"security_lockdown_lsm_early noplymouth
BOOT_IMAGE=/boot/vmlinuz-5.19.0-42-generic", will be passed to user space.
Mai 30 08:25:44 prod kernel: Lockdown: swapper: use of tracefs is restricted;
see man kernel_lockdown.7
Mai 30 08:25:44 prod kernel: Tracing disabled due to lockdown
Mai 30 08:25:44 prod kernel: Lockdown: swapper/0: use of tracefs is
restricted; see man kernel_lockdown.7
Mai 30 08:25:44 prod kernel: Can not register tracer wakeup due to lockdown
Mai 30 08:25:44 prod kernel: Lockdown: swapper/0: use of tracefs is
restricted; see man kernel_lockdown.7
Mai 30 08:25:44 prod kernel: Can not register tracer function_graph due to
lockdown
Mai 30 08:25:44 prod kernel: Lockdown: swapper/0: use of tracefs is
restricted; see man kernel_lockdown.7
Mai 30 08:25:44 prod kernel: Tracing disabled due to lockdown
Mai 30 08:25:44 prod kernel: Lockdown: swapper/0: use of tracefs is
restricted; see man kernel_lockdown.7
Mai 30 08:25:44 prod kernel: Tracing disabled due to lockdown
Mai 30 08:25:44 prod kernel: Lockdown: swapper/0: use of tracefs is
restricted; see man kernel_lockdown.7
Mai 30 08:25:44 prod kernel: Tracing disabled due to lockdown
Mai 30 08:25:44 prod kernel: Lockdown: swapper/0: use of tracefs is
restricted; see man kernel_lockdown.7
Mai 30 08:25:44 prod kernel: Tracing disabled due to lockdown
Mai 30 08:25:44 prod kernel: Lockdown: swapper/0: use of tracefs is
restricted; see man kernel_lockdown.7
Mai 30 08:25:44 prod kernel: Tracing disabled due to lockdown
Mai 30 08:25:44 prod kernel: Lockdown: swapper/0: use of tracefs is
restricted; see man kernel_lockdown.7
Mai 30 08:25:44 prod kernel: Tracing disabled due to lockdown
Mai 30 08:25:44 prod kernel: Lockdown: swapper/0: use of tracefs is
restricted; see man kernel_lockdown.7
Mai 30 08:25:44 prod kernel: Tracing disabled due to lockdown
Mai 30 08:25:44 prod kernel: Lockdown: swapper/0: use of tracefs is
restricted; see man kernel_lockdown.7
Mai 30 08:25:44 prod kernel: Tracing disabled due to lockdown
Mai 30 08:25:44 prod kernel: Lockdown: swapper/0: use of tracefs is
restricted; see man kernel_lockdown.7
Mai 30 08:25:44 prod kernel: Can not register tracer mmiotrace due to lockdown
Mai 30 08:25:44 prod kernel: Lockdown: swapper/0: use of tracefs is
restricted; see man kernel_lockdown.7
Mai 30 08:25:44 prod kernel: Can not register tracer blk due to lockdown
Mai 30 08:25:44 prod kernel: Lockdown: swapper/0: use of tracefs is
restricted; see man kernel_lockdown.7
Mai 30 08:25:44 prod kernel: Can not register tracer hwlat due to lockdown
Mai 30 08:25:44 prod kernel: Lockdown: swapper/0: hibernation is restricted;
see man kernel_lockdown.7
Mai 30 08:25:44 prod kernel: security_lockdown_lsm_early
Mai 30 08:25:50 prod kernel: Lockdown: systemd-logind: hibernation is
restricted; see man kernel_lockdown.7
Mai 30 08:26:09 prod kernel: Lockdown: systemd-logind: hibernation is
restricted; see man kernel_lockdown.7
Mai 30 08:26:13 prod kernel: Lockdown: fwupd: /dev/mem,kmem,port is
restricted; see man kernel_lockdown.7
Mai 30 08:27:44 prod kernel: Lockdown: systemd-logind: hibernation is
restricted; see man kernel_lockdown.7
ro
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