Displaying 2 results from an estimated 2 matches for "cnputs_mtx".
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_spin_...
2013 Jul 24
1
NFS deadlock on 9.2-Beta1
Two machines (NFS Server: running ZFS / Client: disk-less), both are running FreeBSD r253506. The NFS client starts to deadlock processes within a few hours. It usually gets worse from there on. The processes stay in "D" state. I haven't been able to reproduce it when I want it to happen. I only have to wait a few hours until the deadlocks occur when traffic to the client machine