Bug 43055

Summary:	FATAL: Error inserting w83627ehf (/lib/modules/3.4.0-999-generic-pae/kernel/drivers/hwmon/w83627ehf.ko): Device or resource busy
Product:	Drivers	Reporter:	dino99 (dyvazar)
Component:	Hardware Monitoring	Assignee:	Jean Delvare (jdelvare)
Status:	RESOLVED INVALID
Severity:	normal
Priority:	P1
Hardware:	All
OS:	Linux
Kernel Version:	3.4	Subsystem:
Regression:	No	Bisected commit-id:
Attachments:	lspci -vvnn

Description dino99 2012-04-06 08:09:31 UTC

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

Comment 1 Jean Delvare 2012-04-06 08:24:56 UTC

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