The DSM failures,
klog: HIGH Kernel message: [ 9.231078] ACPI Warning: \_SB_.PCI0.GFX0._DSM:
Argument #4 type mismatch - Found [Integer], ACPI requires [Package]
(20130517/nsarguments-95)
klog: HIGH Kernel message: [ 9.237756] ACPI Warning: \_SB_.PCI0.GFX0._DSM:
Argument #4 type mismatch - Found [Buffer], ACPI requires [Package]
(20130517/nsarguments-95)
Seems to the mismatch Argument#4 that the graphic driver invokes the ACPI _DSM
method,
>From the ACPI spec, the arg3 type should be Package, but graphic driver
>calling _DSM method with Integer and Buffer,
So kernel complain about the mismatch the type of arg3.
Fortunately, checking the Device-Specific Method _DSM that firmware implement,
the Arg3 doesn't be used on firmware.
So it should not be a problem of these mismatch if there are no any graphic
functions fail.
Method (_DSM, 4, Serialized) // _DSM: Device-Specific Method
{
Name (DRET, Buffer (0x04)
{
0x00
})
If (LEqual (Arg0, Buffer (0x10)
{
/* 0000 */ 0xE1, 0x75, 0x39, 0x6F, 0x82, 0x7A,
0x67, 0x4F,
/* 0008 */ 0x8B, 0x97, 0x15, 0xBE, 0xE0, 0x60,
0xBE, 0xDF
}))
{
If (LEqual (Arg2, Zero))
{
CreateWordField (DRET, Zero, F0SS)
Store (0x02, F0SS)
Return (DRET)
}
If (LEqual (Arg2, One))
{
If (LEqual (^^PEG0.PEGP.LNKV, 0x03))
{
Return (Zero)
}
Return (One)
}
}
Return (DRET)
}
}
** Changed in: linux-lts-saucy (Ubuntu)
Status: New => Won't Fix
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https://bugs.launchpad.net/bugs/1281966
Title:
[Dell Inspiron 3421] CRITICAL / HIGH failures found in fwts report
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