Panic in 8.1 in softclock(): mutex Giant not owned at ../../../../sys/kern/kern_mutex.c:185

Arnaud Lacombe lacombar at gmail.com
Thu Feb 16 04:30:31 UTC 2012


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


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