MLP Report

Errata and Contingencies
Operating System Failing Test
Expiry date
ID Number Type Error Description
Windows Vista
Windows Vista 64-
bit
1) HDAudio Class
Driver Test
(System)
2) Wave Test
(System)
7/31/2010 607
Erratum
WaveTest: HDMI Audio devices not required to support
44100 Hz 16 bit stereo. This filter looks for the "44100 not
supported" error on devices whose pins call themselves
HDMI, and passes that test case.
Windows Vista
Windows Vista 64-
bit
PCI Hardware
Compliance Test
For Systems
Running Windows
Vista (PCIHCT)
12/31/2009 385
Erratum
The following PCI Compliance test failure is acceptable: Bit
15 (Bridge Configuration Retry Enable) in the Device Control
register (offset 8h) in the PCI Express Capability table must
be read-only and always return 0 as it is reserved for
devices other than PCI Express to PCI/PCI-X Bridges.
Assertion 13A41D3E-2576-41DC-A67C-525DA3637CEA
This failure is acceptable because this is a PCIe 1.1 feature
and the WLP requires compliance with only PCIe 1.0a.
Windows Vista
Windows Vista 64-
bit
PCI Hardware
Compliance Test
For Systems
Running Windows
Vista (PCIHCT)
12/31/2008 1029
Erratum
Assertion 4BA8F23A-6BB1-48EE-88D8-ED1A3ECD34B9
SSVID register of the Subsystem ID and Subsystem Vendor
ID Capability table must be read-only . Assertion 6B0F606E-
DBB3-4B8C-8879-32B302412EB8 SSID register of the
Subsystem ID and Subsystem Vendor ID Capability table
must be read-only . Assertion B576282C-5C66-4253-A275-
257F5D49EFEF SSVID register of the Subsystem ID and
Subsystem Vendor ID Capability table cannot have a value
of 0h. These are valid failures but are not a requirement till
January 2009. A filter is being created for the above
assertions for this particular device. Added failure: Assertion
7A5587BC-5646-4DC4-9A5D-22F85AB2204E PCI Express
ports and bridges must implement Subsystem ID and
Subsystem Vendor ID Capability.
Windows Vista
Windows Vista 64-
bit
1) Fidelity Test
(System, Manual)
2) HD Audio Class
Fidelity Test
(System, Manual)
8/31/2009 1196
Erratum
Fidelity uses too small of a buffer and wakes up too
infrequently during the System Activity test. This causes
errors like: Noise level during system activity on (left or
right) channel 73.2016 dB: *** FAIL *** (requirement >= 80
dB)
Windows Vista
Windows Vista 64-
bit
1) Fidelity Test
(System, Manual)
2) HD Audio Class
Fidelity Test
(System, Manual)
8/31/2009 1156
Erratum
Fidelity Test includes a "System Activity Test" that verifies
audio fidelity is not compromised during system activity. It
uses an activity generator called rws.exe (Real World Stress)
which has a bug that causes it to hit an access violation.
When this happens it exits with return code 0xC00000005,
or -1073741819.
Windows Vista
Windows Vista 64-
bit
UAA Test-
Vista(System)
7/31/2009 534
Erratum
UAA Test requires the Traffic Priority bit to be read/write -
however there are two specs that apply, and they conflict.
One says the bit must be read/write, the other says it must
be read-only. Contact has been made with the author of
both specs (Intel) but until this point is clarified we cannot
fail submissions containing this test failure.
Windows Vista
Windows Vista 64-
bit
UAA Test-
Vista(System)
7/31/2009 603
Erratum
Intel has published a draft of changes to the HD Audio
Specification. One change allows pins to advertise
themselves as HDMI sources. This makes a "reserved flags
must be 0" error in the UAA Test suspect. According to the
official audio spec, bit 7 of the PinCaps register is reserved
and should not be set. The draft adds HDMI support which
uses this bit to indicate "this pin supports HDMI out." The
errata will only apply to bit 7; there are other reserved
PinCaps bits that should still be reserved.