Note: if the point release installers will pick up the 4.18 series
kernel with the fix then I think a fix for cosmic will suffice vs.
bionic also given the results.
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bionic linux-image-4.15.0-47-generic:
- Tested with and without efi=novamap and didn't get past the EFI stub
messages.
cosmic linux-image-4.18.0-17-generic:
- Tested with efi=novamap and the kernel booted and got quite far but
then went blank, as expected but this is a good start; without
efi=no
Snapdragon 835 Laptop Results:
4.15 boots to the first 4 lines before kernel
4.18 boots most of the kernel, stops for a bit, then suffers with an rshed crash
5.0 boots to the end of the kernel log, then the screen goes blank
Without this patch on the 835 laptops the user sees grub and then
nothin
** Tags added: arm64
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https://bugs.launchpad.net/bugs/1814982
Title:
efi/arm/arm64: Allow SetVirtualAddressMap() to be omitted
Status in linux package in Ubuntu:
Confirm
I am unable to provide apport logs due to the nature of the problem
(kernel hang on boot before console logging).
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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Public bug reported:
[Impact]
The Ubuntu kernel is not currently bootable on various arm64 laptops (HP Envy
x2, Asus NovaGo, Lenovo Miix 630, Lenovo Yoga C630, Samsung ...) because of EFI
memory permissions/restrictions. The reason is explained in the commit supplied
below.
[Test Case]
Instal
I can confirm that the problem does not happen when cache is on SATA vs.
NVME. I assume this needs to get pushed to the kernel then? Please
advise.
cache
nvme0n1p5 OFFLINE 0 0 0
sda3ONLINE 0 0 0
Linux mp 4.
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