1: kd> !drvobj ffffd68b8f2e6a70
fffff8057ea252b0: Unable to get value of ObpRootDirectoryObject
fffff8057ea252b0: Unable to get value of ObpRootDirectoryObject
Driver object (ffffd68b8f2e6a70) is for:
Unable to load image \SystemRoot\System32\drivers\dptf_acpi.sys, Win32 error 0n2
*** WARNING: Unable to verify timestamp for dptf_acpi.sys
\Driver\dptf_acpi
Driver Extension List: (id , addr)
(fffff80582304d50 ffffd68b90a34950)
Device Object list:
ffffd68b90b4ad00 ffffd68b90b4cd00 ffffd68b90b4dd00: Could not read device object