Re: repeated panics in mutex_vector_enter (from unp_thread)

[Edgar Fuß <ef%math.uni-bonn.de@localhost>]

MR> Can you reproduce the problem with the LOCKDEBUG, DEBUG and DIAGNOSTIC
MR> kernel options enabled?
EF> OK, I'll try that tomorrow.
Well, in a sense, it's tomorrow now.

Reader / writer lock error: lockdebug_wantlock: locking against myself
lock addres  :	0xffffffff807f2820 type	: sleep/adaptive
initialized  :	0xffffffff802434ed
shared holds :			1 exclusive:	0
shares wanted:			1 exclusive:	0
current cpu  :			0 last held:	0
current lwp  : 0xfffffe841df2e420 last held:	0xfffffe841df2e420
last locked  : 0xffffffff801d37a3 unlocked*:	0xffffffff801d39c6
owner/count  : 0x0000000000000010 flags    :	000000000000000000

Turnstile chain at Oxffffffff807c2300.
=> Mo active turnstile for this lock.

panic: LOCKDEBUG
fatal breakpoint trap in supervisor mode
trap type 1 code 0 rip ffffffff8017d735 cs 8 rflags 246 cr2 7f7ff7303020 cpl 4
rsp fffffe811d2850a0
Stopped in pid 0.3 (system) at netbsd:breakpoint+0x5: leave
db{0}>