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Date: Wed, 15 Feb 2012 23:30:30 -0500
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From: Arnaud Lacombe <lacombar@gmail.com>
To: Vijay Singh <vijju.singh@gmail.com>
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Cc: freebsd-hackers@freebsd.org
Subject: Re: Panic in 8.1 in softclock(): mutex Giant not owned at
	../../../../sys/kern/kern_mutex.c:185
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Hi,

Vijay Singh wrote;
> In the code below:
> (kgdb-amd64-6.8-48) l
> 402                                     if (c_lock != NULL) {
> 403                                             if (c_lock == &Giant.lock_object) {
> 404                                                     mtx_lock(&Giant);
> 405                                                     mtx_assert(&Giant, MA_OWNED);
> 406                                             } else {
> 407                                                     class->lc_lock(c_lock, sharedlock);
> 408                                             }
>
Out of curiosity, where does your code comes from ? The same snippet
from the  `release/8.1.0' branch does not refer to `Giant' at all, it
only reads:

               if (c_lock != NULL) {
                       class->lc_lock(c_lock, sharedlock);

Thanks,
 - Arnaud