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Ironic Introspection: Kernel errors / panic and reboot loop

Hi There,

I have some problems with introspecting my compute nodes by PXE. The introspection image fails to boot on some of my servers.

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After the message "Unpacking initramfs" it throws some kernel errors and reboots after 30 seconds.

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Hardware: - Dell PowerEdge R630 - 2x E5-2680 - 512GB RAM - HBA330 - Mellanox ConnectX-3 DP 40GB QSFP+

I have 3 of those boxes that are 100% identical and on all three i have these problems.

On other hardware (Dell R620), the same introspection image boots withoud any issues and completes succesfully.

The introspection image is based on CentOS 8.

How can i debug this? I tried to "scroll up" the screen on my physical server to determine the whole error message, but that is not possible at all.