https://git.reactos.org/?p=reactos.git;a=commitdiff;h=5d6c2869819684df9cc2bd069d0419b3ab9dbff5
commit 5d6c2869819684df9cc2bd069d0419b3ab9dbff5 Author: Jérôme Gardou <jerome.gar...@reactos.org> AuthorDate: Mon Jan 21 09:35:20 2019 +0100 Commit: Jérôme Gardou <zefk...@users.noreply.github.com> CommitDate: Mon Jan 21 09:38:29 2019 +0100 [NTOS/KE] Add diagnosis DPRINT for CORE-15642 --- ntoskrnl/ke/i386/v86vdm.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/ntoskrnl/ke/i386/v86vdm.c b/ntoskrnl/ke/i386/v86vdm.c index 09405e8bde..d1c030acc0 100644 --- a/ntoskrnl/ke/i386/v86vdm.c +++ b/ntoskrnl/ke/i386/v86vdm.c @@ -429,7 +429,9 @@ KiVdmHandleOpcode(IN PKTRAP_FRAME TrapFrame, case 0xF4: return KiCallVdmHandler(HLT); case 0xFA: return KiCallVdmHandler(CLI); case 0xFB: return KiCallVdmHandler(STI); - default: return KiCallVdmHandler(INV); + default: + DPRINT1("Unhandled instruction: 0x%02x.\n", *(PUCHAR)Eip); + return KiCallVdmHandler(INV); } }