Date: Wed, 12 Sep 2012 22:05:54 +0000 (UTC) From: Attilio Rao <attilio@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r240423 - head/sys/kern Message-ID: <201209122205.q8CM5sYF057145@svn.freebsd.org>
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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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