svn commit: r240423 - head/sys/kern
Attilio Rao
attilio at FreeBSD.org
Wed Sep 12 22:05:55 UTC 2012
Author: attilio
Date: Wed Sep 12 22:05:54 2012
New Revision: 240423
URL: http://svn.freebsd.org/changeset/base/240423
Log:
Tweak the commit message in case of panic for sleeping from threads
with TDP_NOSLEEPING on.
The current message has no informations on the thread and wchan
involed, which may be useful in case where dumps have mangled dwarf
informations.
Reported by: kib
Reviewed by: bde, jhb, kib
MFC after: 1 week
Modified:
head/sys/kern/subr_sleepqueue.c
Modified: head/sys/kern/subr_sleepqueue.c
==============================================================================
--- head/sys/kern/subr_sleepqueue.c Wed Sep 12 21:03:48 2012 (r240422)
+++ head/sys/kern/subr_sleepqueue.c Wed Sep 12 22:05:54 2012 (r240423)
@@ -297,7 +297,8 @@ sleepq_add(void *wchan, struct lock_obje
/* If this thread is not allowed to sleep, die a horrible death. */
KASSERT(!(td->td_pflags & TDP_NOSLEEPING),
- ("Trying sleep, but thread marked as sleeping prohibited"));
+ ("%s: td %p to sleep on wchan %p with TDP_NOSLEEPING on",
+ __func__, td, wchan));
/* Look up the sleep queue associated with the wait channel 'wchan'. */
sq = sleepq_lookup(wchan);
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