StacktraceTop:normal_calibration (s=0x908e20) at avision.c:4642 sane_avision_start (handle=<value optimized out>) at avision.c:7828 preview_scan_start (p=0x9ab120) at xsane-preview.c:2001 preview_scan (p=0x9ab120) at xsane-preview.c:5103 IA__g_closure_invoke (closure=0x9d6a00, return_value=0x0, n_param_values=1,
StacktraceTop: normal_ calibration (s=0x908e20) at avision.c:4642 c:2001 c:5103 invoke (closure=0x9d6a00, return_value=0x0, n_param_values=1,
sane_avision_start (handle=<value optimized out>) at avision.c:7828
preview_scan_start (p=0x9ab120) at xsane-preview.
preview_scan (p=0x9ab120) at xsane-preview.
IA__g_closure_