Re: [Qemu-devel] acpi-test: Warning! DSDT mismatch

[Thomas Huth <thuth@redhat.com>]

On 08.08.2017 17:35, Michael S. Tsirkin wrote:
> On Tue, Aug 08, 2017 at 04:48:26PM +0200, Thomas Huth wrote:
>> On 05.08.2017 22:27, Aleksandr Bezzubikov wrote:
>>> Unmask previously masked SHPC feature in _OSC method.
>>>
>>> Signed-off-by: Aleksandr Bezzubikov <zuban32s@gmail.com>
>>> Reviewed-by: Marcel Apfelbaum <marcel@redhat.com>
>>> ---
>>>  hw/i386/acpi-build.c | 4 ++--
>>>  1 file changed, 2 insertions(+), 2 deletions(-)
>>>
>>> diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c
>>> index b9c245c..98dd424 100644
>>> --- a/hw/i386/acpi-build.c
>>> +++ b/hw/i386/acpi-build.c
>>> @@ -1862,9 +1862,9 @@ static Aml *build_q35_osc_method(void)
>>>  
>>>      /*
>>>       * Always allow native PME, AER (no dependencies)
>>> -     * Never allow SHPC (no SHPC controller in this system)
>>> +     * Allow SHPC (PCI bridges can have SHPC controller)
>>>       */
>>> -    aml_append(if_ctx, aml_and(a_ctrl, aml_int(0x1D), a_ctrl));
>>> +    aml_append(if_ctx, aml_and(a_ctrl, aml_int(0x1F), a_ctrl));
>>>  
>>>      if_ctx2 = aml_if(aml_lnot(aml_equal(aml_arg(1), aml_int(1))));
>>>      /* Unknown revision */
>>>
>>
>> Since this patch has been merged, I now get a bunch of ugly warnings
>> during "make check":
>>
>> acpi-test: Warning! DSDT mismatch. Actual [asl:/tmp/asl-T2ST4Y.dsl,
>> aml:/tmp/aml-HVUT4Y], Expected [asl:/tmp/asl-00VT4Y.dsl,
>> aml:tests/acpi-test-data/q35/DSDT].
>> acpi-test: Warning! DSDT mismatch. Actual [asl:/tmp/asl-3BKN4Y.dsl,
>> aml:/tmp/aml-CDKN4Y], Expected [asl:/tmp/asl-2CZM4Y.dsl,
>> aml:tests/acpi-test-data/q35/DSDT.bridge].
>> acpi-test: Warning! DSDT mismatch. Actual [asl:/tmp/asl-ZVPA4Y.dsl,
>> aml:/tmp/aml-A3PA4Y], Expected [asl:/tmp/asl-F0QA4Y.dsl,
>> aml:tests/acpi-test-data/q35/DSDT.ipmibt].
>> acpi-test: Warning! DSDT mismatch. Actual [asl:/tmp/asl-TX7P4Y.dsl,
>> aml:/tmp/aml-S97P4Y], Expected [asl:/tmp/asl-AIJP4Y.dsl,
>> aml:tests/acpi-test-data/q35/DSDT.cphp].
>> acpi-test: Warning! DSDT mismatch. Actual [asl:/tmp/asl-6J0C4Y.dsl,
>> aml:/tmp/aml-DCZC4Y], Expected [asl:/tmp/asl-9I1C4Y.dsl,
>> aml:tests/acpi-test-data/q35/DSDT.memhp].
>>
>> Did you maybe forget to update the ACPI test table according to the
>> changes? (and why was this merged during hard-freeze at all? The
>> ChangeLog text does not sound like a bug fix?)
>>
>>  Thomas
> 
> My bad will fix ASAP.

Thanks! ... while you're at it, maybe it would be better to turn the
warnings into an g_assert() or something similar, too, so that they are
fatal? Otherwise these errors apparently can sneak in without anybody
noticing it...

 Thomas