Red Hat Bugzilla – Bug 168942
Illegal Interrupt configuration (or code out of date)!
Last modified: 2015-01-04 17:22:11 EST
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Description of problem:
Sep 21 09:24:27 cisit6 kernel: piix4_smbus 0000:00:0f.0: Found 0000:00:0f.0 device
Sep 21 09:24:28 cisit6 kernel: piix4_smbus 0000:00:0f.0: Unusual config register value
Sep 21 09:24:28 cisit6 kernel: piix4_smbus 0000:00:0f.0: Try using fix_hstcfg=1 if you experience problems
Sep 21 09:24:28 cisit6 kernel: piix4_smbus 0000:00:0f.0: Illegal Interrupt configuration (or code out of date)!
I have an HP LC2000 netserver with FC4 (fully patched) installed. When I boot I get the above message. I don't know if I was getting this in earlier kerenels. I was checking the /var/log/messages for an error about a problem I was having and I saw the messages. Everything seems to work fine.
Version-Release number of selected component (if applicable):
Steps to Reproduce:
1. install fc4
2. boot 2.6.12-1.1447
*** Bug 168943 has been marked as a duplicate of this bug. ***
Do as it says (boot with fix_hstcfg=1)
From the code..
/* Some BIOS will set up the chipset incorrectly and leave a register
in an undefined state (causing I2C to act very strangely). */