Failed to gather resource information from arm64 node

[Björn Tillenius]

When trying to commission an arm64 machine with 2.8.0~beta4 (8502-g.942cfc7e9), it gets into Failed Commissioning and 50-maas-01-commissioning is marked as failed.

The output of 50-maas-01-commissioning is:

  ERROR: Failed to retrieve CPU information: Failed to get CPU cache information: Failed to read "/sys/devices/system/cpu/cpu0/cache/index0/size": open /sys/devices/system/cpu/cpu0/cache/index0/size: no such file or directory

[Stéphane Graber (stgraber)]

Can we get a `find /sys/devices/system/cpu/cpu0/` please?

LXD skips caches if the cache directory or the level file are missing, sounds like in this case you have a directory, cache level by no size? not sure why the kernel would expose it that way...

[Alberto Donato (ack)]

ubuntu@arm64:~$ find /sys/devices/system/cpu/cpu0/
/sys/devices/system/cpu/cpu0/
/sys/devices/system/cpu/cpu0/uevent
/sys/devices/system/cpu/cpu0/hotplug
/sys/devices/system/cpu/cpu0/hotplug/target
/sys/devices/system/cpu/cpu0/hotplug/state
/sys/devices/system/cpu/cpu0/hotplug/fail
/sys/devices/system/cpu/cpu0/of_node
/sys/devices/system/cpu/cpu0/crash_notes_size
/sys/devices/system/cpu/cpu0/node0
/sys/devices/system/cpu/cpu0/power
/sys/devices/system/cpu/cpu0/power/runtime_active_time
/sys/devices/system/cpu/cpu0/power/runtime_active_kids
/sys/devices/system/cpu/cpu0/power/pm_qos_resume_latency_us
/sys/devices/system/cpu/cpu0/power/runtime_usage
/sys/devices/system/cpu/cpu0/power/runtime_status
/sys/devices/system/cpu/cpu0/power/autosuspend_delay_ms
/sys/devices/system/cpu/cpu0/power/async
/sys/devices/system/cpu/cpu0/power/runtime_suspended_time
/sys/devices/system/cpu/cpu0/power/runtime_enabled
/sys/devices/system/cpu/cpu0/power/control
/sys/devices/system/cpu/cpu0/online
/sys/devices/system/cpu/cpu0/topology
/sys/devices/system/cpu/cpu0/topology/physical_package_id
/sys/devices/system/cpu/cpu0/topology/core_siblings
/sys/devices/system/cpu/cpu0/topology/core_siblings_list
/sys/devices/system/cpu/cpu0/topology/thread_siblings_list
/sys/devices/system/cpu/cpu0/topology/core_id
/sys/devices/system/cpu/cpu0/topology/thread_siblings
/sys/devices/system/cpu/cpu0/cpu_capacity
/sys/devices/system/cpu/cpu0/cache
/sys/devices/system/cpu/cpu0/cache/uevent
/sys/devices/system/cpu/cpu0/cache/index2
/sys/devices/system/cpu/cpu0/cache/index2/uevent
/sys/devices/system/cpu/cpu0/cache/index2/power
/sys/devices/system/cpu/cpu0/cache/index2/power/runtime_active_time
/sys/devices/system/cpu/cpu0/cache/index2/power/runtime_active_kids
/sys/devices/system/cpu/cpu0/cache/index2/power/runtime_usage
/sys/devices/system/cpu/cpu0/cache/index2/power/runtime_status
/sys/devices/system/cpu/cpu0/cache/index2/power/autosuspend_delay_ms
/sys/devices/system/cpu/cpu0/cache/index2/power/async
/sys/devices/system/cpu/cpu0/cache/index2/power/runtime_suspended_time
/sys/devices/system/cpu/cpu0/cache/index2/power/runtime_enabled
/sys/devices/system/cpu/cpu0/cache/index2/power/control
/sys/devices/system/cpu/cpu0/cache/index2/shared_cpu_list
/sys/devices/system/cpu/cpu0/cache/index2/type
/sys/devices/system/cpu/cpu0/cache/index2/level
/sys/devices/system/cpu/cpu0/cache/index2/shared_cpu_map
/sys/devices/system/cpu/cpu0/cache/index0
/sys/devices/system/cpu/cpu0/cache/index0/uevent
/sys/devices/system/cpu/cpu0/cache/index0/power
/sys/devices/system/cpu/cpu0/cache/index0/power/runtime_active_time
/sys/devices/system/cpu/cpu0/cache/index0/power/runtime_active_kids
/sys/devices/system/cpu/cpu0/cache/index0/power/runtime_usage
/sys/devices/system/cpu/cpu0/cache/index0/power/runtime_status
/sys/devices/system/cpu/cpu0/cache/index0/power/autosuspend_delay_ms
/sys/devices/system/cpu/cpu0/cache/index0/power/async
/sys/devices/system/cpu/cpu0/cache/index0/power/runtime_suspended_time
/sys/devices/system/cpu/cpu0/cache/index0/power/runtime_enabled
/sys/devices/system/cpu/cpu0/cache/index0/power/control
/sys/devices/system/cpu/cpu0/cache/index0/shared_cpu_list
/sys/devices/system/cpu/cpu0/ca...

[Alberto Donato (ack)]

Note that none of cpu entries have a "size" file:

ubuntu@arm64:~$ ls -l /sys/devices/system/cpu/cpu*/cache/index*/size
ls: cannot access '/sys/devices/system/cpu/cpu*/cache/index*/size': No such file or directory

[Adam Collard (adam-collard)]

https://github.com/lxc/lxd/commit/8f0d53be88303cc56155827e1159ed4cfd383062

Seems to be fixed?