0: kd> !devstack ffffd48c2e311060
!DevObj !DrvObj !DevExt ObjectName
ffffd48c335f87d0 Unable to load image qcwlan64.sys, Win32 error 0n2
*** WARNING: Unable to verify timestamp for qcwlan64.sys
\Driver\qcwlan ffffd48c3337a9a0 InfoMask field not found for _OBJECT_HEADER at ffffd48c335f87a0
ffffd48c2ccb1c90 \Driver\ACPI ffffd48c2defd4a0 InfoMask field not found for _OBJECT_HEADER at ffffd48c2ccb1c60
ffffd48c2ccaac90 \Driver\ACPI ffffd48c2defd010 InfoMask field not found for _OBJECT_HEADER at ffffd48c2ccaac60
> ffffd48c2e311060 \Driver\pci ffffd48c2e3111b0 Cannot read info offset from nt!ObpInfoMaskToOffset
!DevNode ffffd48c2e311ba0 :
DeviceInst is "PCI\VEN_17CB&DEV_1107&SUBSYS_E0F7105B&REV_01\6&1f3e6875&0&00580011"
ServiceName is "qcwlan"