Latest working kernel version: 22.214.171.124
Earliest failing kernel version: 2.6.25-rc4
Hardware Environment: AMD64
Software Environment: -
WARNING with backtrace during ACPI initialisation. Appears to happen while parsing the EC table.
Steps to reproduce:
Boot. I rebooted again just to be sure, and received the same WARNING.
Created attachment 15185 [details]
Complete boot log, including WARNING
Created attachment 15186 [details]
You don't have ECDT, so not parsing of EC table is possible.
Warning happens then we do scan of DSDT for EC device.
Please send output from acpidump.
Created attachment 15191 [details]
Here it is
Looks like fcea424d31868a78366ad5ee0cb3cc2a4cbe689b is to be blamed.
It also looks possible to just drop changes to ioremap.c to return to pre-patch behavior of ACPI/EC.
(In reply to comment #5)
> Looks like fcea424d31868a78366ad5ee0cb3cc2a4cbe689b is to be blamed.
Author: Arjan van dev Ven <email@example.com>
Date: Wed Feb 6 05:16:00 2008 +0100
fix historic ioremap() abuse in AGP
Arjan, Ingo, Andrew, are we going to fix that somehow before 2.6.25?
*** This bug has been marked as a duplicate of bug 10104 ***