You have been subscribed to a public bug:
Upgraded from 19.04 to current 19.10 using "do-release-upgrade -d". Can
still boot using the previous 5.0.0-25-generic kernel, but the
5.2.0-15-generic fails to start.
On selecting Ubuntu from Grub, the message "error: out of memory." is
immediately shown. Pressing a key attempts to start boot-up but fails to
mount root fs.
Machine is HP Spectre X360 with 8GB RAM. Under kernel 5.0.0, free shows
the following (run from Gnome terminal):
total used free shared buff/cache available
Mem: 7906564 1761196 3833240 1020216 2312128 4849224
Swap: 1003516 0 1003516
Kernel packages installed:
linux-generic 5.2.0.15.16 amd64
linux-headers-5.2.0-15 5.2.0-15.16 all
linux-headers-5.2.0-15-generic 5.2.0-15.16 amd64
linux-headers-generic 5.2.0.15.16 amd64
linux-image-5.0.0-25-generic 5.0.0-25.26 amd64
linux-image-5.2.0-15-generic 5.2.0-15.16+signed1 amd64
linux-image-generic 5.2.0.15.16 amd64
linux-modules-5.0.0-25-generic 5.0.0-25.26 amd64
linux-modules-5.2.0-15-generic 5.2.0-15.16 amd64
linux-modules-extra-5.0.0-25-generic 5.0.0-25.26 amd64
linux-modules-extra-5.2.0-15-generic 5.2.0-15.16 amd64
Photo of kernel panic attached.
NVMe drive partition layout (GPT):
Device Start End Sectors Size Type
/dev/nvme0n1p1 2048 1050623 1048576 512M EFI System
/dev/nvme0n1p2 1050624 2549759 1499136 732M Linux filesystem
/dev/nvme0n1p3 2549760 1000214527 997664768 475.7G Linux filesystem
$ sudo pvs
PV VG Fmt Attr PSize PFree
/dev/mapper/nvme0n1p3_crypt ubuntu-vg lvm2 a-- <475.71g 0
$ sudo lvs
LV VG Attr LSize Pool Origin Data% Meta% Move Log
Cpy%Sync Convert
root ubuntu-vg -wi-ao---- 474.75g
swap_1 ubuntu-vg -wi-ao---- 980.00m
Partition 3 is LUKS encrypted. Root LV is ext4.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
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Out of Memory on boot with 5.2.0 kernel
https://bugs.launchpad.net/bugs/1842320
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