flock issues?

[chebee7i]

Are there any known issues with building and an inability to get file locks? During builds, some of the processes spend a lot of time trying and failing to get a lock:

[pid 104235] 23:54:29 select(0, NULL, NULL, NULL, {tv_sec=0, tv_usec=50000}) = 0 (Timeout) <0.050073>
[pid 104235] 23:54:29 openat(AT_FDCWD, "/home/username/.conda_build_locks/1cd77edf90f2f329ca43c24c5306e5dc77e506ac978b36a79c4bd6cc97fec1a6", O_RDWR|O_CREAT|O_TRUNC|O_CLOEXEC, 0644) = 27</home/username/.conda_build_locks/1cd77edf90f2f329ca43c24c5306e5dc77e506ac978b36a79c4bd6cc97fec1a6> <0.000142>
[pid 104235] 23:54:29 fchmod(27</home/username/.conda_build_locks/1cd77edf90f2f329ca43c24c5306e5dc77e506ac978b36a79c4bd6cc97fec1a6>, 0644) = 0 <0.000005>
[pid 104235] 23:54:29 flock(27</home/username/.conda_build_locks/1cd77edf90f2f329ca43c24c5306e5dc77e506ac978b36a79c4bd6cc97fec1a6>, LOCK_EX|LOCK_NB) = -1 EAGAIN (Resource temporarily unavailable) <0.000013>
[pid 104235] 23:54:29 close(27</home/username/.conda_build_locks/1cd77edf90f2f329ca43c24c5306e5dc77e506ac978b36a79c4bd6cc97fec1a6>) = 0 <0.000011>
[pid 104235] 23:54:29 select(0, NULL, NULL, NULL, {tv_sec=0, tv_usec=50000}) = 0 (Timeout) <0.050073>
[pid 104235] 23:54:29 openat(AT_FDCWD, "/home/username/.conda_build_locks/1cd77edf90f2f329ca43c24c5306e5dc77e506ac978b36a79c4bd6cc97fec1a6", O_RDWR|O_CREAT|O_TRUNC|O_CLOEXEC, 0644) = 27</home/username/.conda_build_locks/1cd77edf90f2f329ca43c24c5306e5dc77e506ac978b36a79c4bd6cc97fec1a6> <0.000145>
[pid 104235] 23:54:29 fchmod(27</home/username/.conda_build_locks/1cd77edf90f2f329ca43c24c5306e5dc77e506ac978b36a79c4bd6cc97fec1a6>, 0644) = 0 <0.000007>
[pid 104235] 23:54:29 flock(27</home/username/.conda_build_locks/1cd77edf90f2f329ca43c24c5306e5dc77e506ac978b36a79c4bd6cc97fec1a6>, LOCK_EX|LOCK_NB) = -1 EAGAIN (Resource temporarily unavailable) <0.000006>
[pid 104235] 23:54:29 close(27</home/username/.conda_build_locks/1cd77edf90f2f329ca43c24c5306e5dc77e506ac978b36a79c4bd6cc97fec1a6>) = 0 <0.000010>
[pid 104235] 23:54:29 openat(AT_FDCWD, "/home/username/.conda_build_locks/1cd77edf90f2f329ca43c24c5306e5dc77e506ac978b36a79c4bd6cc97fec1a6", O_RDWR|O_CREAT|O_TRUNC|O_CLOEXEC, 0644) = 27</home/username/.conda_build_locks/1cd77edf90f2f329ca43c24c5306e5dc77e506ac978b36a79c4bd6cc97fec1a6> <0.000105>
[pid 104235] 23:54:29 fchmod(27</home/username/.conda_build_locks/1cd77edf90f2f329ca43c24c5306e5dc77e506ac978b36a79c4bd6cc97fec1a6>, 0644) = 0 <0.000005>
[pid 104235] 23:54:29 flock(27</home/username/.conda_build_locks/1cd77edf90f2f329ca43c24c5306e5dc77e506ac978b36a79c4bd6cc97fec1a6>, LOCK_EX|LOCK_NB) = -1 EAGAIN (Resource temporarily unavailable) <0.000006>
[pid 104235] 23:54:29 close(27</home/username/.conda_build_locks/1cd77edf90f2f329ca43c24c5306e5dc77e506ac978b36a79c4bd6cc97fec1a6>) = 0 <0.000007>
[pid 104235] 23:54:29 select(0, NULL, NULL, NULL, {tv_sec=0, tv_usec=50000}) = 0 (Timeout) <0.050073>
[pid 104235] 23:54:29 openat(AT_FDCWD, "/home/username/.conda_build_locks/1cd77edf90f2f329ca43c24c5306e5dc77e506ac978b36a79c4bd6cc97fec1a6", O_RDWR|O_CREAT|O_TRUNC|O_CLOEXEC, 0644) = 27</home/username/.conda_build_locks/1cd77edf90f2f329ca43c24c5306e5dc77e506ac978b36a79c4bd6cc97fec1a6> <0.000127>
[pid 104235] 23:54:29 fchmod(27</home/username/.conda_build_locks/1cd77edf90f2f329ca43c24c5306e5dc77e506ac978b36a79c4bd6cc97fec1a6>, 0644) = 0 <0.000006>
[pid 104235] 23:54:29 flock(27</home/username/.conda_build_locks/1cd77edf90f2f329ca43c24c5306e5dc77e506ac978b36a79c4bd6cc97fec1a6>, LOCK_EX|LOCK_NB) = -1 EAGAIN (Resource temporarily unavailable) <0.000007>
[pid 104235] 23:54:29 close(27</home/username/.conda_build_locks/1cd77edf90f2f329ca43c24c5306e5dc77e506ac978b36a79c4bd6cc97fec1a6>) = 0 <0.000011>

This can continue for a long time...usually I end up killing it. I'm doing the build on GPFS.