Thread 1 (Thread 0x2b8e7d729640 (LWP 1106)):
#0  0x0000003cc1eccf73 in __select_nocancel () from /lib64/libc.so.6
#1  0x00002b8e7d5233be in cr_poll_checkpoint_msg () from /usr/lib64/libcr.so.0
#2  0x0000000000421ae0 in HYDT_ckpoint_blcr_suspend (prefix=<value optimized out>, pgid=<value optimized out>, id=<value optimized out>, 
    ckpt_num=<value optimized out>) at ./tools/ckpoint/blcr/ckpoint_blcr.c:300
#3  0x0000000000420722 in HYDT_ckpoint_suspend (pgid=0, id=-1041131232) at ./tools/ckpoint/ckpoint.c:75
#4  0x0000000000405fa4 in HYD_pmcd_pmip_control_cmd_cb (fd=<value optimized out>, events=<value optimized out>, userp=<value optimized out>)
    at ./pm/pmiserv/pmip_cb.c:925
#5  0x000000000042275a in HYDT_dmxu_poll_wait_for_event (wtime=<value optimized out>) at ./tools/demux/demux_poll.c:75
#6  0x0000000000404278 in main (argc=<value optimized out>, argv=<value optimized out>) at ./pm/pmiserv/pmip.c:224