lkml.org 
[lkml]   [2008]   [Aug]   [9]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: Regression in 2.6.27-rc2 in acpi_processor_init()
From
Date
On Fri, 2008-08-08 at 23:02 +0200, Rafael J. Wysocki wrote:
> [Adding CCs]
>
Hi, Mark
Will you please attach the output of acpidump on bug 11287?
Of course it will be great if you can enable CONFIG_ACPI_DEBUG and
CONFIG_CPUFREQ_DEBUG in kernel configuration and boot the system with
the option of "cpufreq.debug=7 acpi.debug_layer=0x01010000
acpi.debug_level=0x17".
After the system is booted, please attach the output of dmesg.
Please do the above test on both kernel 2.6.27-rc1 and 2.6.27-rc2.

Thanks.
> On Friday, 8 of August 2008, Langsdorf, Mark wrote:
> > I got a regression when updated from 2.6.27-rc1 ro
> > 2.6.27-rc2. The noticeable symptom is the powernow-k8
> > driver stopped working because the call to
> > acpi_processor_register_performance() is returning
> > -EINVAL.
> >
> > Digging into the code a bit more, that's occurring
> > because acpi_processor_ppc_status is not set.
> > That should be set in acpi_processor_init(), but
> > that function is failing to register the ACPI
> > processor driver.
> >
> > I've dug through the code and can't see why
> > that call would fail. It doesn't look like there
> > were any changes between 2.6.27-rc1 and 2.6.27-rc2,
> > but I may have missed something.
> >
> > Any advice or suggestions in debugging this
> > appreciated.
> >
> > -Mark Langsdorf
> > Operating System Research Center
> > AMD
>
>
> --
> To unsubscribe from this list: send the line "unsubscribe linux-acpi" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html



\
 
 \ /
  Last update: 2008-08-10 05:23    [W:0.073 / U:2.352 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site