** Changed in: linux (Ubuntu)
Status: Incomplete => Fix Released
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https://bugs.launchpad.net/bugs/1881367
Title:
Ubuntu 20.04 boot hangs when laptop unplugged
Status in linux package in Ubuntu:
Fix Released
Bug description:
On Dell Latitude 5500 laptop, dual-boot Ubuntu/Windows, Ubuntu 20.04
64-bit, 5.4.0-33-generic, Ubuntu boot stops with blank screen when the
laptop is unplugged, even in recovery mode.
After plugging in power after a failed boot, the following message is shown
before the splash screen:
[ 0.468311] Initramfs unpacking failed: Decoding failed
/dev/nvme-n1p6: clean, 470502/4800512 files, 6138995/19200000 blocks
As long as the laptop is plugged in before selecting Ubuntu in GRUB,
it will boot, but it never finishes booting if it is unplugged, even
in recovery mode. It also occurred in Ubuntu 19.10.
When the boot freezes even in recovery mode, the bug should be
reported against the kernel according to this page:
https://wiki.ubuntu.com/Bugs/FindRightPackage#During_boot
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: linux-image-5.4.0-33-generic 5.4.0-33.37
ProcVersionSignature: Ubuntu 5.4.0-33.37-generic 5.4.34
Uname: Linux 5.4.0-33-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.2
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: tyler 1777 F.... pulseaudio
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Sat May 30 10:05:26 2020
InstallationDate: Installed on 2020-02-05 (114 days ago)
InstallationMedia: Ubuntu 19.10 "Eoan Ermine" - Release amd64 (20191017)
MachineType: Dell Inc. Latitude 5500
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-33-generic
root=UUID=fa5c4fdb-0e37-4ef5-b109-3c129736f66c ro quiet splash
RelatedPackageVersions:
linux-restricted-modules-5.4.0-33-generic N/A
linux-backports-modules-5.4.0-33-generic N/A
linux-firmware 1.187
SourcePackage: linux
UpgradeStatus: Upgraded to focal on 2020-05-12 (17 days ago)
dmi.bios.date: 12/26/2019
dmi.bios.vendor: Dell Inc.
dmi.bios.version: 1.6.5
dmi.board.name: 0M14W7
dmi.board.vendor: Dell Inc.
dmi.board.version: A01
dmi.chassis.type: 10
dmi.chassis.vendor: Dell Inc.
dmi.modalias:
dmi:bvnDellInc.:bvr1.6.5:bd12/26/2019:svnDellInc.:pnLatitude5500:pvr:rvnDellInc.:rn0M14W7:rvrA01:cvnDellInc.:ct10:cvr:
dmi.product.family: Latitude
dmi.product.name: Latitude 5500
dmi.product.sku: 08B9
dmi.sys.vendor: Dell Inc.
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