apport information ** Tags added: apport-collected bionic
** Description changed: Dear everyone I use ubuntu-20.04.1 at my UEFI CSM environment desktop PC. grub 2.04 can boot from iso file. and I use ubuntu-18.04.5 at my UEFI native environment note PC. grub 2.02 can boot from iso file. I check to boot from iso using ubuntu-20.04.1 liveCD usb at note PC. I power on note PC, and selecting boot device to use UEFI boot manager. then grub 2.04 boot menu displayed. I change Boot from next volume to iso boot. iso boot step as same as grub 2.02 definition. but grub 2.04 could not boot from iso, display black screen. I power off note PC. + --- + ProblemType: Bug + ApportVersion: 2.20.9-0ubuntu7.17 + Architecture: amd64 + AudioDevicesInUse: + USER PID ACCESS COMMAND + /dev/snd/controlC0: nakasima 1542 F.... pulseaudio + CurrentDesktop: ubuntu:GNOME + DistroRelease: Ubuntu 18.04 + InstallationDate: Installed on 2020-05-29 (120 days ago) + InstallationMedia: Ubuntu 18.04.4 LTS "Bionic Beaver" - Release amd64 (20200203.1) + Lsusb: + Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub + Bus 001 Device 004: ID 058f:5608 Alcor Micro Corp. + Bus 001 Device 003: ID 8087:0a2a Intel Corp. + Bus 001 Device 002: ID 0bda:0129 Realtek Semiconductor Corp. RTS5129 Card Reader Controller + Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub + MachineType: Jumper EZbook + Package: linux (not installed) + ProcFB: 0 i915drmfb + ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-48-generic root=UUID=86097f4a-e2d9-4432-8006-816cf4c322c3 ro ipv6.disable=1 quiet + ProcVersionSignature: Ubuntu 5.4.0-48.52~18.04.1-generic 5.4.60 + RelatedPackageVersions: + linux-restricted-modules-5.4.0-48-generic N/A + linux-backports-modules-5.4.0-48-generic N/A + linux-firmware 1.173.19 + Tags: bionic + Uname: Linux 5.4.0-48-generic x86_64 + UpgradeStatus: No upgrade log present (probably fresh install) + UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo + _MarkForUpload: True + dmi.bios.date: 02/01/2018 + dmi.bios.vendor: American Megatrends Inc. + dmi.bios.version: Jumper10x.P8.WP3132.NHNAUHL02 + dmi.board.asset.tag: Default string + dmi.board.name: EZbook + dmi.board.vendor: Jumper + dmi.board.version: Default string + dmi.chassis.asset.tag: Default string + dmi.chassis.type: 10 + dmi.chassis.vendor: Default string + dmi.chassis.version: Default string + dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrJumper10x.P8.WP3132.NHNAUHL02:bd02/01/2018:svnJumper:pnEZbook:pvrDefaultstring:rvnJumper:rnEZbook:rvrDefaultstring:cvnDefaultstring:ct10:cvrDefaultstring: + dmi.product.family: Default string + dmi.product.name: EZbook + dmi.product.sku: Default string + dmi.product.version: Default string + dmi.sys.vendor: Jumper ** Attachment added: "AlsaInfo.txt" https://bugs.launchpad.net/bugs/1897416/+attachment/5414558/+files/AlsaInfo.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1897416 Title: grub 2.04 could not boot from iso at UEFI native environment To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1897416/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
