On Tue, Jul 10, 2007 at 07:18:26PM -0400, Peter Avalos wrote:
> Indeed, only kernel threads and init, sh, and ps, but a reboot still freezes
> after "Uptime: xxxx"
... which means it's stuck at somewhere at the bottom of boot()
in kern_shutdown.c:
/*
* Ok, now do things that assume all filesystem activity has
* been completed.
*/
EVENTHANDLER_INVOKE(shutdown_post_sync, howto);
crit_enter();
if ((howto & (RB_HALT|RB_DUMP)) == RB_DUMP && !cold)
dumpsys();
/* Now that we're going to really halt the system... */
EVENTHANDLER_INVOKE(shutdown_final, howto);
for(;;) ; /* safety against shutdown_reset not working */
/* NOTREACHED */
At first I thought it's in cpu_reset(), but since you didn't see
"Rebooting...", it's stuck in one of event handlers for shutdown_post_sync
and not managed to shutdown_reset(). Please try attached patch to
find which handler is the culprit. Note that you may have to rebuild
modules too, since this patches makes some incompatible changes to
EVENTHANDLER_* APIs.
Cheers.
Index: sys/eventhandler.h
===================================================================
RCS file: /home/source/dragonfly/cvs/src/sys/sys/eventhandler.h,v
retrieving revision 1.7
diff -u -p -r1.7 eventhandler.h
--- sys/eventhandler.h 21 May 2006 03:43:47 -0000 1.7
+++ sys/eventhandler.h 11 Jul 2007 04:31:07 -0000
@@ -43,6 +43,7 @@ struct eventhandler_entry
TAILQ_ENTRY(eventhandler_entry) ee_link;
int ee_priority;
void *ee_arg;
+ const char *ee_name;
};
struct eventhandler_list
@@ -55,6 +56,7 @@ struct eventhandler_list
};
typedef struct eventhandler_entry *eventhandler_tag;
+extern int eventhandler_show_invoked_funcs;
/*
* Fast handler lists require the eventhandler list be present
@@ -85,13 +87,15 @@ do {
\
struct eventhandler_entry *_ep = TAILQ_FIRST(&(_el->el_entries)); \
\
while (_ep != NULL) { \
+ if (eventhandler_show_invoked_funcs) \
+ kprintf("FAST_INVOKE(" #name ") %s\n", _ep->ee_name); \
((struct eventhandler_entry_ ## name *)_ep)->eh_func(_ep->ee_arg , ##
args); \
_ep = TAILQ_NEXT(_ep, ee_link); \
} \
} while (0)
#define EVENTHANDLER_FAST_REGISTER(name, func, arg, priority) \
- eventhandler_register(Xeventhandler_list_ ## name, #name, func, arg,
priority)
+ eventhandler_register(Xeventhandler_list_ ## name, #name, #func, func,
arg, priority)
#define EVENTHANDLER_FAST_DEREGISTER(name, tag) \
eventhandler_deregister(Xeventhandler_list ## name, tag)
@@ -121,13 +125,15 @@ do {
\
for (_ep = TAILQ_FIRST(&(_el->el_entries)); \
_ep != NULL; \
_ep = TAILQ_NEXT(_ep, ee_link)) { \
+ if (eventhandler_show_invoked_funcs) \
+ kprintf("INVOKE(" #name ") %s\n", _ep->ee_name); \
((struct eventhandler_entry_ ## name *)_ep)->eh_func(_ep->ee_arg ,
## args); \
} \
} \
} while (0)
#define EVENTHANDLER_REGISTER(name, func, arg, priority) \
- eventhandler_register(NULL, #name, func, arg, priority)
+ eventhandler_register(NULL, #name, #func, func, arg, priority)
#define EVENTHANDLER_DEREGISTER(name, tag) \
do { \
@@ -141,6 +147,7 @@ do {
\
#ifdef _KERNEL
extern eventhandler_tag eventhandler_register(struct eventhandler_list
*list,
char *name,
+ const char *fname,
void *func,
void *arg,
int priority);
Index: kern/subr_eventhandler.c
===================================================================
RCS file: /home/source/dragonfly/cvs/src/sys/kern/subr_eventhandler.c,v
retrieving revision 1.5
diff -u -p -r1.5 subr_eventhandler.c
--- kern/subr_eventhandler.c 5 Sep 2006 03:48:12 -0000 1.5
+++ kern/subr_eventhandler.c 11 Jul 2007 04:13:07 -0000
@@ -35,6 +35,8 @@
MALLOC_DEFINE(M_EVENTHANDLER, "eventhandler", "Event handler records");
+int eventhandler_show_invoked_funcs = 0;
+
/* List of 'slow' lists */
static TAILQ_HEAD(, eventhandler_list) eventhandler_lists;
static int eventhandler_lists_initted = 0;
@@ -50,8 +52,8 @@ struct eventhandler_entry_generic
* if all priorities are identical.
*/
eventhandler_tag
-eventhandler_register(struct eventhandler_list *list, char *name,
- void *func, void *arg, int priority)
+eventhandler_register(struct eventhandler_list *list, char *name,
+ const char *funcname, void *func, void *arg, int priority)
{
struct eventhandler_entry_generic *eg;
struct eventhandler_entry *ep;
@@ -88,6 +90,7 @@ eventhandler_register(struct eventhandle
eg->func = func;
eg->ee.ee_arg = arg;
eg->ee.ee_priority = priority;
+ eg->ee.ee_name = funcname;
/* sort it into the list */
for (ep = TAILQ_FIRST(&list->el_entries);
