Created attachment 141426 [details] Log generated by K3b at the end of burning verification. SUMMARY STEPS TO REPRODUCE 1. Select and saved directories to by burned on a 100Gb Blu-ray disk BDXL Verbatim 2. Start burning (several hours at x2 OBSERVED RESULT Automatic verification at end of process : error 'Written data different from original data'. EXPECTED RESULT Written data identical to original data. SOFTWARE/OS VERSIONS Linux/Mint 19.3