#78 rc3: OpenPhySyn Segmentation Fault Issue opened by aunali1 Fresh setup of PDKs and OpenLane rc3. Using

sky130_fd_sc_hdll

library. Ran the simple

./flow.tcl -design spm

and got the following:

[OpenPhySyn] [2020-10-20 07:05:51.834] [info] Invoking repair_timing transform
[OpenPhySyn] [2020-10-20 07:05:51.840] [info] Buffer library: sky130_fd_sc_hdll__buf_4, sky130_fd_sc_hdll__buf_8, sky130_fd_sc_hdll__buf_1
[OpenPhySyn] [2020-10-20 07:05:51.840] [info] Inverter library: None
[OpenPhySyn] [2020-10-20 07:05:51.840] [info] Buffering: enabled
[OpenPhySyn] [2020-10-20 07:05:51.840] [info] Driver sizing: enabled
[OpenPhySyn] [2020-10-20 07:05:51.840] [info] Pin-swapping: enabled
[OpenPhySyn] [2020-10-20 07:05:51.840] [info] Mode: Timing-Driven
[OpenPhySyn] [2020-10-20 07:05:51.840] [info] Iteration 1
[ERROR]: during executing: "Psn /openLANE_flow/scripts/openPhySyn.tcl |& tee >&@stdout /openLANE_flow/designs/spm/runs/20-10_07-05/logs/placement/openphysyn.log"
[ERROR]: Last 10 lines:
child killed: segmentation violation

[ERROR]: Please check Psn  log file
[ERROR]: Dumping to /openLANE_flow/designs/spm/runs/20-10_07-05/error.log

    while executing
"try_catch Psn $::env(SCRIPTS_DIR)/openPhySyn.tcl |& tee $::env(TERMINAL_OUTPUT) $::env(openphysyn_log_file_tag).log"
    (procedure "run_openPhySyn" line 7)
    invoked from within
"run_openPhySyn"
    (procedure "run_placement" line 13)
    invoked from within
"run_placement"
    (procedure "run_non_interactive_mode" line 13)
    invoked from within
"run_non_interactive_mode {*}$argv"
    invoked from within
"if { [info exists flags_map(-interactive)] || [info exists flags_map(-it)] } {
    puts_info "Running interactively"
    if { [info exists arg_values(..."
    (file "./flow.tcl" line 160)

dmesg

reports the segfault as:

[15672.622994] Psn[38572]: segfault at 18 ip 00000000008962cf sp 00007fff5f687630 error 4 cpu 4 in Psn[400000+15d6000]
[15672.623000] Code: 89 ef ff 50 10 4c 89 ef 84 c0 49 8b 45 00 0f 84 e7 00 00 00 ff 50 18 48 8b 7b 20 49 89 c7 48 8b 07 4c 89 fe ff 90 58 02 00 00 <48> 8b 78 18 49 89 c6 e8 f5 2d fb ff 48 8b 7b 48 4c 89 fe 84 c0 75

If it helps, host distro is Clear Linux. efabless/openlane