UC18 on the same hardware starts to display kernel messages at the 14s mark. UC18 logs shows no delay between the "console [tty1] enabled" and "console [ttyS0] enabled" messages, but otherwise the behavior is similar (blank screen for some time and slow output rate).
[ 0.000000] console [tty1] enabled [ 0.000000] console [ttyS0] enabled ** Attachment added: "dmesg-thinkcentre-uc18.txt" https://bugs.launchpad.net/ubuntu/+source/snapd/+bug/1879290/+attachment/5376576/+files/dmesg-thinkcentre-uc18.txt -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1879290 Title: pc: no message on the screen for ~30s on fast HW Status in linux package in Ubuntu: Incomplete Status in snapd package in Ubuntu: New Bug description: The boot on real HW (ARock B450, Ryzen, NVME 240Gb) takes a long time without any visible feedback. Video: https://photos.app.goo.gl/RmaLviXNorjeh5BP7 With grub debug: https://photos.app.goo.gl/PJuXdxp8uedr7fWp9 (google photos has degraded quality quite a bit, may upload the originals if too bad) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1879290/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
