lkml.org 
[lkml]   [2008]   [Oct]   [23]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    SubjectRe: Oops in ACPI with git latest
    From
    Date
    On Thu, 2008-10-23 at 22:42 +0200, Rafael J. Wysocki wrote:
    > On Thursday, 23 of October 2008, James Bottomley wrote:
    > > ACPI Warning (nseval-0168): Insufficient arguments - method [_OSC] needs 5, found 4 [20080926]
    > > ACPI Warning (nspredef-0252): \_SB_.PCI0._OSC: Parameter count mismatch - ASL declared 5, expected 4 [20080926]
    > > ACPI Error (nspredef-0163): \_SB_.PCI0._OSC: Missing expected return value [20080926]
    > > BUG: unable to handle kernel NULL pointer dereference at 00000000
    > Does this patch help?
    >
    > ---
    > drivers/pci/pci-acpi.c | 3 +++
    > 1 file changed, 3 insertions(+)
    >
    > Index: linux-2.6/drivers/pci/pci-acpi.c
    > ===================================================================
    > --- linux-2.6.orig/drivers/pci/pci-acpi.c
    > +++ linux-2.6/drivers/pci/pci-acpi.c
    > @@ -83,6 +83,9 @@ static acpi_status acpi_run_osc(acpi_han
    > if (ACPI_FAILURE(status))
    > return status;
    >
    > + if (!output.pointer)
    > + return AE_NULL_OBJECT;
    > +
    > out_obj = output.pointer;
    > if (out_obj->type != ACPI_TYPE_BUFFER) {
    > printk(KERN_DEBUG "Evaluate _OSC returns wrong type\n");

    Yes, that seems to fix it, thanks! ... I suppose the ASL error and
    warnings need investigating too?

    James




    \
     
     \ /
      Last update: 2008-10-24 03:19    [W:0.044 / U:0.984 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site