Thread 145 (Thread 0x7f6181cf3700 (LWP 2206835)):
#0  0x00007f617f7fbff4 in __lll_lock_wait () from /lib64/libpthread.so.0
#1  0x00007f617f7fedbd in _L_cond_lock_886 () from /lib64/libpthread.so.0
#2  0x00007f617f7fec97 in __pthread_mutex_cond_lock () from /lib64/libpthread.so
#3  0x00007f617f7f9815 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/lib
#4  0x0000000000498cc6 in fridgethr_freeze (arg=0x7f5f74000f30) at fridgethr.c:1
#5  fridgethr_start_routine (arg=0x7f5f74000f30) at fridgethr.c:86
#6  0x00007f617f7f57f1 in start_thread () from /lib64/libpthread.so.0
#7  0x00007f617f321ccd in clone () from /lib64/libc.so.6


Thread 133 (Thread 0x7f5fa13a9280 (LWP 2206676)):
#0  0x00007f617f7fbff4 in __lll_lock_wait () from /lib64/libpthread.so.0
#1  0x00007f617f7f9c41 in pthread_cond_signal@@GLIBC_2.3.2 () from /lib64/libpth
#2  0x0000000000498a28 in fridgethr_get (fr=0x7a4120, func=0x4824b0 <thr_decode_
#3  0x0000000000480935 in nfs_rpc_getreq_ng (xprt=0x20fe2d0) at nfs_rpc_dispatch
#4  0x00000000004d602c in svc_rqst_thrd_run_epoll (chan_id=<value optimized out>
#5  svc_rqst_thrd_run (chan_id=<value optimized out>, flags=<value optimized out
#6  0x000000000047fe25 in rpc_dispatcher_thread (arg=<value optimized out>) at n
#7  0x00007f617f7f57f1 in start_thread () from /lib64/libpthread.so.0
---Type <return> to continue, or q <return> to quit---^CQuit