panic: Duplicate free of item 0xffffff005c4a8600 fromzone0xffffff007fed4780(Mbuf)

[Willem Jan Withagen]

> I'll starts some more tests before I'm of to bed.

This mornings result:
====
System call getdirentries returning with the following locks held:
exclusive sleep mutex bdone lock r = 0 (0xffffffff805fd080) locked @ /home2/src/
sys/kern/vfs_bio.c:3767
panic: witness_warn
cpuid = 0;
KDB: stack backtrace:
kdspin lock sched lock held by 0xffffff007b6cc940 for > 5 seconds
panic: spin lock held too long
cpuid = 0;
KDB: enter: panic
====

But no way to get into the debugger.
Does not look like it is much network related???

--WjW