on 17/08/2011 14:12 Andriy Gapon said the following:
> A little bit later I will send you another patch that, I hope, will produce
> better
> diagnostics for this crash (without DDB in kernel).
The patch:
Index: sys/amd64/amd64/trap.c
===================================================================
--- sys/amd64/amd64/trap.c (revision 224782)
+++ sys/amd64/amd64/trap.c (working copy)
@@ -198,6 +198,10 @@
PCPU_INC(cnt.v_trap);
type = frame->tf_trapno;
+ if ((uintptr_t)frame->tf_rip >= (uintptr_t)&lim_rlimit
+ && (uintptr_t)frame->tf_rip < (uintptr_t)&lim_rlimit + 40)
+ panic("trap in lim_rlimit");
+
#ifdef SMP
/* Handler for NMI IPIs used for stopping CPUs. */
if (type == T_NMI) {
--
Andriy Gapon
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