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diagnostic assertion curcpu()->ci_biglock_count == 0 failed



Hi!

With a 9.99.47/amd64 kernel from February 16, I just had panic (handcopied):

panic: kernel diagnostic assertion "curcpu()->ci_biglock_count == 0" failed: file .../kern_exit.c line 214: kernel_lock leaked
cpu12: Begin traceback
vpanic
kern_assert
exit1
sys_exit
syscall
-- syscall (number 1) --
70497d18609a
cpu12: End trackback...
Mutex error: mutex_vector_enter,542: locking against myself
lock address: 0xffffa5ce94444b40
current cpu:  12
current lwp:  0xffffa5cbee57da80
owner field:  0xffffa5cbee57da80 wait/spin: 0/0

Skipping crash dump on recursive panic


It might have been a low-memory situation -- it was running a bulk
build and had some network activity.

 Thomas


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