On Tue, Jun 28, 2005 at 01:50:48PM -0400, Matt Juszczak wrote:
M> >Please try out this patch to aid the above problem with hang instead of
M> >dump:
M> >
M>
>http://www.freebsd.org/cgi/cvsweb.cgi/src/sys/i386/i386/trap.c.diff?r1=1.275&r2=1.276
M> This patch wouldn't go through....
M> I tried patching against:
M> __FBSDID("$FreeBSD: src/sys/i386/i386/trap.c,v 1.267.2.3 2005/05/01
M> 05:34:46 dwhite Exp $");
M> which is -STABLE
Here is attached patch. It should work for STABLE. It should fix problem
with frozen kdb, and give you ability to obtain a crashdump.
--
Totus tuus, Glebius.
GLEBIUS-RIPN GLEB-RIPE
Index: trap.c
===================================================================
RCS file: /home/ncvs/src/sys/i386/i386/trap.c,v
retrieving revision 1.267.2.3
diff -u -r1.267.2.3 trap.c
--- trap.c 1 May 2005 05:34:46 -0000 1.267.2.3
+++ trap.c 29 Jun 2005 14:27:04 -0000
@@ -809,8 +809,15 @@
}
#ifdef KDB
- if (kdb_trap(type, 0, frame))
- return;
+ {
+ register_t eflags;
+ eflags = intr_disable();
+ if (kdb_trap(type, 0, frame)) {
+ intr_restore(eflags);
+ return;
+ }
+ intr_restore(eflags);
+ }
#endif
printf("trap number = %d\n", type);
if (type <= MAX_TRAP_MSG)
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