BugChecker icon indicating copy to clipboard operation
BugChecker copied to clipboard

OS freeze when pressing PrintSCR wiht unloaded driver

Open Luca1991 opened this issue 2 years ago • 1 comments

Guest OS: Windows 11 Pro Virtualizer: VMWare Workstation 17 Pro

Pressing Printscrn when the driver isn't loaded (or has been unloaded) freeze the guest OS.

Luca1991 avatar Jan 06 '23 16:01 Luca1991

yes this is a well known problem: some of the debugger logic needs to be copied into KDCOM: when you press PrintScr, an INT3 is executed in the kernel: KDCOM should detect this, skip the hardcoded breakpoint and resume execution. And it should do this only when BugChecker is not loaded.

vitoplantamura avatar Jan 06 '23 19:01 vitoplantamura