Virtual Box 6.1, Linux x86_64 distribution (current) ---------------------------------------------------- root@pc:# vbox-img convert --srcfilename '/home/fab/trisquel/trisquel.vdi' --stdout --dstformat RAW | dd of=/dev/sdf bs=4M status=progress Converting image "/home/fab/trisquel/trisquel.vdi" with size 27757395968 bytes (26472MB)... vbox-img: error: Error while copying the image: Not supported. (VERR_NOT_SUPPORTED) 4+1 enregistrements lus 4+1 enregistrements écrits 16777256 octets (17 MB, 16 MiB) copiés, 0,0352329 s, 476 MB/s root@pc:# vbox-img convert --srcfilename '/home/fab/trisquel/trisquel.vdi' --stdout --dstformat RAW Converting image "/home/fab/trisquel/trisquel.vdi" with size 27757395968 bytes (26472MB)... vbox-img: error: Error while copying the image: Not supported. (VERR_NOT_SUPPORTED) Same logs with current test build online. Custom build after patch ------------------------ ./vbox-img-patched convert --srcfilename '/home/fab/trisquel/trisquel.vdi' --stdout --dstformat RAW > temp Converting image "/home/fab/trisquel/trisquel.vdi" with size 27757395968 bytes (26472MB)... first 160 bytes of `hexdump temp` 000000 63eb 1090 d08e 00bc b8b0 0000 d88e c08e 0000010 befb 7c00 00bf b906 0200 a4f3 21ea 0006 0000020 be00 07be 0438 0b75 c683 8110 fefe 7507 0000030 ebf3 b416 b002 bb01 7c00 80b2 748a 8b01 0000040 024c 13cd 00ea 007c eb00 00fe 0000 0000 0000050 0000 0000 0000 0000 0000 8000 0001 0000 0000060 0000 0000 faff 9090 c2f6 7480 f605 70c2 0000070 0274 80b2 79ea 007c 3100 8ec0 8ed8 bcd0 0000080 2000 a0fb 7c64 ff3c 0274 c288 bb52 0417 0000090 07f6 7403 be06 7d88 17e8 be01 7c05 41b4 Application of stdout handling to dd cloning to USB stick --------------------------------------------------------- (original #6650 request) ./vbox-img-patched convert --srcfilename '/home/fab/trisquel/trisquel.vdi' --stdout --dstformat RAW | dd of=/dev/sdf status=progress && sync Converting image "/home/fab/trisquel/trisquel.vdi" with size 27757395968 bytes (26472MB)... 27555947008 octets (28 GB, 26 GiB) copiés, 170 s, 162 MB/s 54213664+0 enregistrements lus 54213664+0 enregistrements écrits 27757395968 octets (28 GB, 26 GiB) copiés, 170,768 s, 163 MB/s