I don't use Ubuntu kernels; build my own mainline but work on kernel issues in mainline and Debian. I tested 144..157 length (interestingly although arm64 professes to support 2048 characters the kernel messages are truncated at around 1000 so don't show the entire thing
$ qemu-system-aarch64 -machine virt,gic-version=3 -cpu max,pauth-impdef=on -smp 2 -m 4096 -nographic -kernel /srv/NAS/Sunny/SourceCode/builds/linux-aarch64/arch/arm64/boot/Image -append "debug $( for l in {144..157}; do echo -n param$l=$(pwgen $((l-9)) 1)' '; done )" -initrd rootfs/boot/initrd.img-6.8.12-arm64-debug [ 0.000000] Booting Linux on physical CPU 0x0000000000 [0x000f0510] [ 0.000000] Linux version 6.8.12 (li...@iam.tj) (aarch64-linux-gnu-gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40) #10 SMP Fri Jul 26 13:57:53 BST 2024 [ 0.000000] random: crng init done [ 0.000000] Machine model: linux,dummy-virt ... [ 0.000000] Kernel command line: debug param144=aixootoo9ii0dieghaem2eehahqu9Aejeuka3ui8chain9ief3Ooth9lahgeiyiew3dio3PhahpeiShoh1ootoch2rae9quushei9yu4ge5uasi9peizooT8JohjieMuGh7ohs7 param145=noohieL5DaeghaeGh4nueQuugoowohj6fa0Jaive7meaghukoog8tho6De6ahga7sheighah2Raing9eitai3eeHi4Ahr7aixaiLoh3cheeG hosa9eR4sohkajahwe1tha9aotha param146=taesaekie3Vaiv2Neejohph0ozeile5daemu8beepha9Ojae8niev8nepaidaemu9uphaah4bongeiRahM5eichahTah6aegob8edee2xah6UaxahThee2puePua5ahchoqueixee param147=ahZai6EeW1EejaGh6hen6eu6oov6wo3ooph5theide6OhGh5oog2Iel8oong1ighooboo7ohthoh2le5eeloog1agha0phaid5enaeQuohfoo3EijaemeiZ 9ohG5aichoo9shuiFee param148=ieT6oogat5sheng9aeteigh4poohoongul5za7Eich5Abo2Aeraec0eingah5ahsh4Ooth9Phaithai3gethoo4piphie0zieHieYahngahbiitheingooshau4 chaepee2zeeWei5a param149=eenga3ku8deongie7Oovahsoo7ao1zail8remu2ieshai6haemee2eingoophev6eeY5KeeChiemeu2Eaquuqu8ahk3oohovoh6vaijaexoodeesoetuucie7geeba h5cad5aikoh6mo param150=oopaiCh0thu1ioneed3apee9igieT7OaWedeemoop4izex9gaeRaequai6aavaephua4ahlooThaiquie4Gu8Eiyo8ohmai1aiye ... [ 3.045515] Run /init as init process [ 3.045717] with arguments: [ 3.045852] /init [ 3.045962] with environment: [ 3.046098] HOME=/ [ 3.046206] TERM=linux [ 3.046320] param144=aixootoo9ii0dieghaem2eehahqu9Aejeuka3ui8chain9ief3Ooth9lahgeiyiew3dio3PhahpeiShoh1ootoch2rae9quushei9yu4ge5uasi9peizooT8Johj ieMuGh7ohs7 [ 3.046913] param145=noohieL5DaeghaeGh4nueQuugoowohj6fa0Jaive7meaghukoog8tho6De6ahga7sheighah2Raing9eitai3eeHi4Ahr7aixaiLoh3cheeGhosa9eR4sohkajah we1tha9aotha [ 3.047481] param146=taesaekie3Vaiv2Neejohph0ozeile5daemu8beepha9Ojae8niev8nepaidaemu9uphaah4bongeiRahM5eichahTah6aegob8edee2xah6UaxahThee2puePua 5ahchoqueixee [ 3.047963] param147=ahZai6EeW1EejaGh6hen6eu6oov6wo3ooph5theide6OhGh5oog2Iel8oong1ighooboo7ohthoh2le5eeloog1agha0phaid5enaeQuohfoo3EijaemeiZ9ohG5 aichoo9shuiFee [ 3.048466] param148=ieT6oogat5sheng9aeteigh4poohoongul5za7Eich5Abo2Aeraec0eingah5ahsh4Ooth9Phaithai3gethoo4piphie0zieHieYahngahbiitheingooshau4c haepee2zeeWei5a [ 3.048992] param149=eenga3ku8deongie7Oovahsoo7ao1zail8remu2ieshai6haemee2eingoophev6eeY5KeeChiemeu2Eaquuqu8ahk3oohovoh6vaijaexoodeesoetuucie7gee bah5cad5aikoh6mo [ 3.049508] param150=oopaiCh0thu1ioneed3apee9igieT7OaWedeemoop4izex9gaeRaequai6aavaephua4ahlooThaiquie4Gu8Eiyo8ohmai1aiyeib9ahkaifeh3ahqu5joutugh 1hee7ShiePhieThai [ 3.050024] param151=aiVeiT2Aw0EenaizeeKaezei8eigei2Luov0ohdeeng6miekooZuD9ieci3oph6pahs9upid6Aesou6uiboongei7aVie2ushai8iex3quahzieH5eingaengao2 OhsheiHoo4Hiehei6N [ 3.050564] param152=eivohroQui8quoh5jeizoo1ook6toothahchei3Iethee6au6irae3quee8AhLae9FaceuZahsahqueig9iec1jae9fier9Ohmaengohpheing4eimaipah3pahs h4uo1Eefauroong1hiz [ 3.051316] param153=juh6ahbu2raena5uocejaqueeduyohB6uasiex5ahtaiTieK3Ruol1ceijin4quah3Fee7ahthaiphoo8piaghaegomeez3aichee4doreiloh6dieL5chae0oor ahth1shoz7cheesarood [ 3.051860] param154=ainaa7XahH8phoobeefaebaepaivee9kierohse7OopooshahphiengogahThood6qua3woh5aiziungae1sai6ao7phahW0Ooph6fahk0uph3wieghai1ootoh4 Oogei6Jaeboupheehepho [ 3.052373] param155=zienga1nee1CaiFeiv7Kae8ohma2ceejeif3pung2zi2shoigohn6choh6Oon7iaxie1Kua2waFoophier0uaf9aivoh1cee9chooha1phughohx8Abei9de9lai kuaz6pheeD3pohbeic7sah [ 3.052903] param156=aiyahy5ieghoo5eenaipethei7chebi4thaek5iqu5eelah5au3Eishil5Aichae3guqueiPei2ahdeeghiteequeichooWah2othee1thee4Zohgo5deem9aigh 0eef2sha2wei0sed8aiquoo [ 3.053432] param157=iiph5iewudai5SahbiY4holoos3nis2Caeheibav0eu9EijaebahzeBuathei7xohngah ... BusyBox v1.35.0 (Debian 1:1.35.0-4+b3) built-in shell (ash) Enter 'help' for a list of built-in commands. (initramfs) cat /proc/cmdline debug param144=aixootoo9ii0dieghaem2eehahqu9Aejeuka3ui8chain9ief3Ooth9lahgeiyiew3dio3PhahpeiShoh1ootoch2rae9quushei9yu4ge5uasi9peizooT8JohjieMuGh7ohs7 param145=noohieL5DaeghaeGh4nueQuugoowohj6fa0Jaive7meaghukoog8tho6De6ahga7sheighah2Raing9eitai3eeHi4Ahr7aixaiLoh3cheeGhosa9eR4sohkajahwe1tha9aotha param146=taesaekie3Vaiv2Neejohph0ozeile5daemu8beepha9Ojae8niev8nepaidaemu9uphaah4bongeiRahM5eichahTah6aegob8edee2xah6UaxahThee2puePua5ahchoqueixee param147=ahZai6EeW1EejaGh6hen6eu6oov6wo3ooph5theide6OhGh5oog2Iel8oong1ighooboo7ohthoh2le5eeloog1agha0phaid5enaeQuohfoo3EijaemeiZ9ohG5aichoo9shuiFee param148=ieT6oogat5sheng9aeteigh4poohoongul5za7Eich5Abo2Aeraec0eingah5ahsh4Ooth9Phaithai3gethoo4piphie0zieHieYahngahbiitheingooshau4chaepee2zeeWei5a param149=eenga3ku8deongie7Oovahsoo7ao1zail8remu2ieshai6haemee2eingoophev6eeY5KeeChiemeu2Eaquuqu8ahk3oohovoh6vaijaexoodeesoetuucie7geebah5cad5aikoh6mo param150=oopaiCh0thu1 ioneed3apee9igieT7OaWedeemoop4izex9gaeRaequai6aavaephua4ahlooThaiquie4Gu8Eiyo8ohmai1aiyeib9ahkaifeh3ahqu5joutugh1hee7ShiePhieThai param151=aiVeiT2Aw0EenaizeeKaezei8eigei2Luov0ohdeeng6miekooZuD9ieci3oph6pahs9upid6Aesou6uiboongei7aVie2ushai8iex3quahzieH5eingaengao2OhsheiHoo4Hiehei6N param152=eivohroQui8quoh5jeizoo1ook6toothahchei3Iethee6au6irae3quee8AhLae9FaceuZahsahqueig9iec1jae9fier9Ohmaengohpheing4eimaipah3pahsh4uo1Eefauroong1hiz param153=juh6ahbu2raena5uocejaqueeduyohB6uasiex5ahtaiTieK3Ruol1ceijin4quah3Fee7ahthaiphoo8piaghaegomeez3aichee4doreiloh6dieL5chae0oorahth1shoz7cheesarood param154=ainaa7XahH 8phoobeefaebaepaivee9kierohse7OopooshahphiengogahThood6qua3woh5aiziungae1sai6ao7phahW0Ooph6fahk0uph3wieghai1ootoh4Oogei6Jaeboupheehepho param155=zienga1 nee1CaiFeiv7Kae8ohma2ceejeif3pung2zi2shoigohn6choh6Oon7iaxie1Kua2waFoophier0uaf9aivoh1cee9chooha1phughohx8Abei9de9laikuaz6pheeD3pohbeic7sah param156=aiyahy5ieghoo5eenaipethei7chebi4thaek5iqu5eelah5au3Eishil5Aichae3guqueiPei2ahdeeghiteequeichooWah2othee1thee4Zohgo5deem9aigh0eef2sha2wei0sed8aiquoo param157=iiph5iewudai5SahbiY4holoos3nis2Caeheibav0eu9EijaebahzeBuathei7xohngah (initramfs) cat /proc/cmdline | wc -c 2048 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2069534 Title: linux 6.8 fails to boot on arm64 if any param is more than 140 chars To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2069534/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs