Created attachment 72828 [details] lspci -vvnn Ubuntu Precise i386 always had this issue, and it still exist with 3.4 kernel From kern.log: w83627ehf: Found W83627DHG chip at 0x290 ACPI Warning: 0x00000295-0x00000296 SystemIO conflicts with Region \_SB_.PCI0.SBRG.SIOR.HWRE 1 (20120320/utaddress-251) ACPI: If an ACPI driver is available for this device, you should use it instead of the native driver Also found this logged into /var/log/upstart/module-init-tools.log Already reported on Launchpad: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/969941
This is a BIOS issue, nothing we can do. Your BIOS requested the I/O ports of your monitoring device for its own use, the Linux kernel is locked out. This is all documented in the lm-sensors FAQ: http://www.lm-sensors.org/wiki/FAQ/Chapter3#Mysensorshavestoppedworkinginkernel2.6.31