[Linux-PowerEdge] R220 / 12G ACPI problem

Kuokkanen, Jari Jari.Kuokkanen at anite.com
Wed Oct 22 03:49:46 CDT 2014

Hi, There seems to be ACPI problem on R220 and some other 12G models:

Tested v2.6.x 32bit kernels halt with kernel panic. R220 BIOS is the latest, v1.2.1.
With acpi=off they manage to boot but very slowly so this is not practically possible workaround.

We tried also following kernel boot options with no success: acpi=ht, pci=noacpi, acpi=noirq, pnpacpi=off, noapic, nolapic

Kernel 3.2.0-4-amd64 works ok (Debian jessie).

Can anyone help on this, for example patches to ACPI code or other workarounds?
Any info is appreciated.

Jari Kuokkanen, Anite Network Testing

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