Server (HP Proliant D320e G8 v2) froze at this screen during boot today (running CentOS 6.5):

Kernel panic capture.

I was able to get the server to boot after a 'press and hold'.

I've been having many problems with the server lately - mainly related to the iLO and being unable to install CentOS 7. Could someone please help me decode this screen? Does it suggest there could be a serious problem? Or does this just happen sometimes? It is possible that the OS wasn't 'shutdown' properly before the failed boot.

  • Unfortunately the stack trace isn't telling much. I suggest you start with a full memory check (probably available in the HP BIOS diagnostics option). – Giovanni Tirloni Aug 18 '14 at 11:11
  • The Tainted: P part means there is a proprietary module in the kernel. As far as I know official policy is that you ask the vendor of the proprietary module to debug the problem. – kasperd Aug 18 '14 at 12:25
  • If the stack indicates any interaction with the proprietary driver, probably. However, that will be the longest investigation route most of the time. – Giovanni Tirloni Aug 18 '14 at 12:33

Silly question, but have you checked the firmware on your machine and its components?

I ask because the changelogs for the DL320e Gen8 firmware include valuable nuggets like:

Resolved a processor issue where certain instructions and conditions could result in an application-level error, blue screen, kernel panic, or other unpredictable system behavior. This issue affects platforms utilizing Intel Xeon E3-series processors.

There are a couple of things I'd recommend here.

This will bring your system fully up-to-date to a known-good firmware revision. It may also help with your EL7 efforts, as it is technically supported on this hardware platform.

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