I tried to write the debian-12.0.0-amd64-netinst.iso to cd using cdrskin and xorriso but they both refused my command.
user@debian:~$ cdrskin -v dev=/dev/sr0 -sao debian-12.0.0-amd64-netinst.iso cdrskin 1.5.4 : limited cdrecord compatibility wrapper for libburn cdrskin: verbosity level : 1 cdrskin: NOTE : greying out all drives besides given dev='/dev/sr0' cdrskin: scanning for devices ... cdrskin: ... scanning for devices done cdrskin: beginning to burn disc cdrskin: status 1 burn_disc_blank "The drive holds a blank disc" Current: CD-R Track 01: data 738 MB Total size: 738 MB (84:00.07) = 377856 sectors Lout start: 738 MB (84:02/07) = 378006 sectors cdrskin: FATAL : predicted session size 377856s does not fit on media (359844s) cdrskin: HINT : This test may be disabled by option -force cdrskin: burning failed cdrskin: FATAL : burning failed. user@debian:~$ xorriso -as cdrecord -v dev=/dev/sr0 debian-12.0.0-amd64-netinst.iso xorriso 1.5.4 : RockRidge filesystem manipulator, libburnia project. Drive current: -outdev '/dev/sr0' Media current: CD-R Media status : is blank Media summary: 0 sessions, 0 data blocks, 0 data, 703m free xorriso : FAILURE : Image size 378006s exceeds free space on media 359844s xorriso : NOTE : Gave up -outdev '' xorriso : FAILURE : -as cdrecord: Job could not be performed properly. xorriso : aborting : -abort_on 'FAILURE' encountered 'FAILURE' I also tried brasero and it too refused to burn to cd. I don't remember the exact words brasero threw at me but they were along the lines of cdrskin's "does not fit on media" and xorriso's "exceeds free space on media". "cdrskin: HINT : This test may be disabled by option -force" I noticed that line in cdrskin. Was desperate so i gave that a try. user@debian:~$ cdrskin -v -force dev=/dev/sr0 debian-12.0.0-amd64-netinst.iso cdrskin 1.5.4 : limited cdrecord compatibility wrapper for libburn cdrskin: verbosity level : 1 cdrskin: NOTE : greying out all drives besides given dev='/dev/sr0' cdrskin: scanning for devices ... cdrskin: ... scanning for devices done cdrskin: beginning to burn disc cdrskin: status 1 burn_disc_blank "The drive holds a blank disc" Current: CD-R Track 01: data 738 MB Total size: 738 MB (84:00.07) = 377856 sectors Lout start: 738 MB (84:02/07) = 378006 sectors Starting to write CD/DVD at speed MAX in real SAO mode for single session. Last chance to quit, starting real write in 0 seconds. Operation starts. Waiting for reader process to fill input buffer ... input buffer ready. Starting new track at sector: 0 Track 01: 702 of 738 MB written (fifo 100%) [buf 99%] 24.2x.cdrskin: FATAL : Exceeding range of permissible write addresses (359856 >= 359844) cdrskin: FATAL : CDB= 2a 00 00 05 7d a0 00 00 10 00 : dxfer_len= 32768 cdrskin: FATAL : Burn run failed cdrskin: NOTE : WRITE command repetition happened 510 times Track 01: Total bytes read/written: 737017856/736985088 (359856 sectors). Writing time: 298.965s Cdrskin: fifo had 361951 puts and 359903 gets. Cdrskin: fifo was 0 times empty and 35417 times full, min fill was 99%. Min drive buffer fill was 84% cdrskin: burning failed cdrskin: FATAL : burning failed. And there it went, one good cd. FATAL indeed. What did i miss? Thank you. siso