Description of problem:
rotating by angle and cropping image
reproducible: randomly
OpenCL on nVidia is enabled

Version-Release number of selected component:
darktable-1.2.3-1.fc20

Additional info:
reporter:       libreport-2.1.9
backtrace_rating: 4
cmdline:        /bin/darktable
crash_function: free_team
executable:     /usr/bin/darktable
kernel:         3.11.9-300.fc20.x86_64
runlevel:       N 5
type:           CCpp
uid:            1000

Truncated backtrace:
Thread no. 1 (10 frames)
 #5 free_team at ../../../libgomp/team.c:183
 #6 gomp_team_end at ../../../libgomp/team.c:524
 #7 eaw_decompose at /usr/src/debug/darktable-1.2.3/src/iop/atrous.c:319
 #8 process at /usr/src/debug/darktable-1.2.3/src/iop/atrous.c:486
 #9 dt_dev_pixelpipe_process_rec at /usr/src/debug/darktable-1.2.3/src/develop/pixelpipe_hb.c:1415
 #36 dt_dev_pixelpipe_process_rec_and_backcopy at /usr/src/debug/darktable-1.2.3/src/develop/pixelpipe_hb.c:1976
 #37 dt_dev_pixelpipe_process at /usr/src/debug/darktable-1.2.3/src/develop/pixelpipe_hb.c:2060
 #38 dt_dev_process_preview_job at /usr/src/debug/darktable-1.2.3/src/develop/develop.c:233
 #39 dt_dev_process_preview_job_run at /usr/src/debug/darktable-1.2.3/src/control/jobs/develop_jobs.c:25
 #40 dt_control_run_job_res at /usr/src/debug/darktable-1.2.3/src/control/control.c:949