----- Original Message -----
From: "Andriy Gapon" <a...@freebsd.org>
diff -u sys/kern/kern_jail.c.orig sys/kern/kern_jail.c
--- sys/kern/kern_jail.c.orig 2011-08-20 21:17:14.856618854 +0100
+++ sys/kern/kern_jail.c 2011-08-20 21:18:35.307201425 +0100
@@ -2455,7 +2455,8 @@
if (--tpr->pr_uref > 0)
break;
KASSERT(tpr != &prison0, ("prison0 pr_uref=0"));
- mtx_unlock(&tpr->pr_mtx);
+ if (tpr != pr)
+ mtx_unlock(&tpr->pr_mtx);
}
/* Done if there were only user references to remove. */
if (!(flags & PD_DEREF)) {
Not sure if this would fly as is - please double check the later block where
pr->pr_mtx is re-locked.
Will do, I'm now 99.9% sure this is the problem and even better I now have a
reproducible scenario :)
Something else you many be more interested in Andriy:-
I added in debugging options DDB & INVARIANTS to see if I can get a more
useful info and the panic results in a looping panic constantly scrolling up
the console. Not sure if this is a side effect of the patches we've been
trying.
Going to see if I can confirm that, lmk if there's something you want me
to try?
Regards
Steve
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