Hello I have been looking in the slack channel but did not f

Question

Hello I have been looking in the slack channel but did not found someone with the same error I am seeing so I would appreciate some help if possible I have downloaded the caravel repository and before doing any changes I wanted to check that I was able to go over the flow to generate the GDSII files and do the make caravel with the user project example So what I did is to go within $REPOROOT openlane and run make Unfortunately I am seeing the next error ```DEF file write success location project openlane DFFRAM runs DFFRAM results placement DFFRAM placement def tasks Wtime Ctime Parser 0 630 0 310 resgin assign 0 632 0 310 pre placement 0 632 0 310 non Group cell placement 0 674 0 330 All 0 681 0 330 EVALUATION AVG displacement 2936 64 SUM displacement 7 49049e+07 MAX displacement 49550 ERROR during executing opendp lef project openlane DFFRAM runs DFFRAM tmp merged lef def project openlane DFFRAM runs DFFRAM tmp placement replace def output def project openlane DFFRAM runs DFFRAM results placement DFFRAM placement def | amp tee gt amp stdout project openlane DFFRAM runs DFFRAM logs placement opendp log ERROR Exit code 1 ERROR Last 10 lines child killed segmentation violation ERROR Please check opendp log file ERROR Dumping to project openlane DFFRAM runs DFFRAM error log while executing try catch opendp lef $ env MERGED LEF def $ env CURRENT DEF output def $ env opendp result file tag def | amp tee $ env TERMINAL OUTPUT $ procedure detailed placement line 4 invoked from within detailed placement procedure run placement line 16 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 file openLANE flow flow tcl line 164 Makefile 24 fallo en las instrucciones para el objetivo DFFRAM make DFFRAM Error 1``` I am not sure if I may be missing something so apologies in advance slightly smiling face

Mitch Bailey · Answer

< Joel Sanchez> I believe caravel is setup so you only need to make `user proj example` `user project wrapper` and `caravel` Although it may be possible to make some of the other blocks it appears that a few contain just placeholder data and fail when running openlane Maybe restore everything from the repo and try ```make user proj example make user project wrapper make caravel``` If that works swap your design in for `user proj example` and repeat Eventually I imagine everything will work

tnt · Answer

I dont think you need to `make caravel` at all

tnt · Answer

you just use the top level `Makefile` i e not the one in `openlane ` subdir and `make ship` and this will use magic to combine the result of the `user project wrapper` with the pre provided GDS for the caravel and all its subblocks

Joel Sanchez · Answer

Thank you so much guys I have been able to make progress and the example design works as expected I am now facing a different issue related with yosys but I will post it on slack channel not to merge two different topics