https://bugzilla.kernel.org/show_bug.cgi?id=203199
--- Comment #5 from Erik Schmauss (erik.schma...@intel.com) ---
Here's what's going on (for your information and for my future reference):
When the AC adapter is plugged/unplugged, _Q26 and _Q27 control methods attempt
to index a package element out of bounds in the BRNS control method. The
indices are from these operation region fields: BNTN and BRLV. These variables
are values that are contained inside system memory.
Method (BRNS, 0, NotSerialized)
{
Local0 = (\BRLV + 0x02)
Local3 = \BNTN
If (\_SB.PCI0.GFX0.DRDY)
{
Local2 = DerefOf (DerefOf (BRTB [Local3]) [Local0]) // Index out of
bounds runtime error
\_SB.PCI0.GFX0.AINT (0x01, Local2)
}
}
I'm asking around internally to see if someone from Lenovo can fix it...
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