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-rw-r--r--sys/arch/i386/i386/db_interface.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/sys/arch/i386/i386/db_interface.c b/sys/arch/i386/i386/db_interface.c
index 5d5590f42d6..97ed71f8295 100644
--- a/sys/arch/i386/i386/db_interface.c
+++ b/sys/arch/i386/i386/db_interface.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: db_interface.c,v 1.26 2010/04/01 19:48:50 kettenis Exp $ */
+/* $OpenBSD: db_interface.c,v 1.27 2011/04/04 22:37:30 miod Exp $ */
/* $NetBSD: db_interface.c,v 1.22 1996/05/03 19:42:00 christos Exp $ */
/*
@@ -136,6 +136,12 @@ kdb_trap(int type, int code, db_regs_t *regs)
ddb_regs.tf_esp = (int)&regs->tf_esp; /* kernel stack pointer */
__asm__("movw %%ss,%w0" : "=r" (ddb_regs.tf_ss));
}
+ ddb_regs.tf_cs &= 0xffff;
+ ddb_regs.tf_ds &= 0xffff;
+ ddb_regs.tf_es &= 0xffff;
+ ddb_regs.tf_fs &= 0xffff;
+ ddb_regs.tf_gs &= 0xffff;
+ ddb_regs.tf_ss &= 0xffff;
s = splhigh();
db_active++;