Re: [PATCH] lpc_ich: Fix a 3.5 kernel regression for iTCO_wdt driver

2012-08-23 Thread Samuel Ortiz
Hi Feng, On Thu, Aug 23, 2012 at 01:08:14PM +0800, Feng Tang wrote: > On Wed, 22 Aug 2012 22:55:43 +0100 > Matthew Garrett wrote: > > > On Wed, Aug 22, 2012 at 09:55:12PM +0200, Wim Van Sebroeck wrote: > > > > > Any idea why the acpi_check_resource_conflict() check gives a conflict? > > > > Be

Re: [PATCH] lpc_ich: Fix a 3.5 kernel regression for iTCO_wdt driver

2012-08-22 Thread Feng Tang
On Wed, 22 Aug 2012 22:55:43 +0100 Matthew Garrett wrote: > On Wed, Aug 22, 2012 at 09:55:12PM +0200, Wim Van Sebroeck wrote: > > > Any idea why the acpi_check_resource_conflict() check gives a conflict? > > Because the resource range is declared in ACPI and we assume that that > means the fir

Re: [PATCH] lpc_ich: Fix a 3.5 kernel regression for iTCO_wdt driver

2012-08-22 Thread Matthew Garrett
On Wed, Aug 22, 2012 at 09:55:12PM +0200, Wim Van Sebroeck wrote: > Any idea why the acpi_check_resource_conflict() check gives a conflict? Because the resource range is declared in ACPI and we assume that that means the firmware wants to scribble on it. We'd need the output of acpidump to work

Re: [PATCH] lpc_ich: Fix a 3.5 kernel regression for iTCO_wdt driver

2012-08-22 Thread Wim Van Sebroeck
Hi All, Cc-ing Samuel and Guenter also. > There are many reports (including 2 of my machines) that iTCO_wdt watchdog > driver fails to be initialized in 3.5 kernel with error message like: > > [5.265175] ACPI Warning: 0x1060-0x107f SystemIO conflicts with > Region \_SB_.PCI0.LPCB.TC