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2013 Jun 30
1
locks under printf(9) and WITNESS = panic?
...reebsd.org/pipermail/freebsd-current/2012-January/031375.html
Any ideas?
uhub1: <Intel EHCI root HUB, class 9/0, rev 2.00/1.00, addr 1> on usbus1
uhub0: 2 ports with 2 removable, self powered
uhub1: 2 ports with 2 removable, self powered
panic: mtx_lock_spin: recursed on non-recursive mutex cnputs_mtx @ /usr/src/sys/kern/kern_cons.c:500
cpuid = 0
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x2a/frame 0xffffff9185023940
kdb_backtrace() at kdb_backtrace+0x37/frame 0xffffff9185023a00
panic() at panic+0x1d8/frame 0xffffff9185023b00
_mtx_lock_spin_flags() at _mtx_lock_...