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rated 0 times [  1] [ 0]  / answers: 1 / hits: 2127  / 2 Years ago, sat, august 27, 2022, 6:13:45

the trouble: after booting the live usb you get a choice to 'try' or 'install'. both will halt and only a hard reset solves this.


what i tried:
now there were some errors at boot that are visible if running the live usb fails:


VMXdisabled-acpiwatchdog-16


on this laptop you do not see the keyboard+puppet screen when booting, it just goes to loading ubuntu.
in safe mode it will hang at ubuntu, not showing the desktop with try/install dialog or mouse cursor.


and looking for a solution i tried disabling the TPM as stated here:
Can't load, failed to claim resource: 1


that did muck up my windows it did not give me the chance to install or run the live cd...and the device creation failed stayed at -16.
So I enabled TPM again and re-validated windows


Also enabled virtualisation, 1st 2 errors dissapeared device creation failed -16 is still present.
so i get to Try or Install and then it locks up.


what am i missing in settings of the hp? outside of the obvious like a battery management system that can limit charge level in bios so it won't destroy the battery for naught or even catch fire if kept plugged in.


Now there is a known issue with some (and this one) hp laptop models that when your power plan in windows has wifi set to max power savings it generates constant WHEA event 17 recoverable errors in the log and you have unstable or slow wifi/bluetooth.
the low power value for the bluetooth seems wrong.
if set to 'max performance' or 'min power savings' those WHEA errors will not be logged in event viewer on windows and wifi works as good or bad as designed.
There will still be one WHEA error 17 in the event viewer at each boot telling you the pci express root port has a corrected hardware error.


Maybe this is related to why ubuntu won't install or try on this laptop?


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 Answers
4

THE SOLUTION: try installing by first accessing the GRUB menu and pressing e to get the editor, and there adding:


pcie_aspm=off

after splash to the line beginning with linux. (it should look like: splash pcie_aspm=off ---).


save and exit


This at least makes it possible to use 'try' and then after putting Bluetooth and WiFi to 'off' it would run the installer (install alongside Windows).


After request to remove USB drive for reboot it alas didn't start up in the Ubuntu boot menu, but went straight to Windows.


after changing boot order I was able to change the /etc/default/grub file:


GRUB_CMDLINE_LINUX_DEFAULT="quiet splash pcie_aspm=off"

run the command


sudo update-grub

Reboot once more.


And now the system can be connected, updated and works stable and reliable... I hope it helps you too.


It's too bad Linux only has settings for off or automatic in pcie_aspm. So from now on it's all full on!


If somebody, after reading this, knows of a solution so you can set the minimum aspm pcie (wifi) state in ubuntu i'm all ears, since one or 2 steps less (L1.0 or L1.1) makes up to 80% less energy usage when not in use. (from >400 mW to <30 mW) and on a laptop that's still a big deal.


But it might be an addition to a new distro, to include a safe mode that sets Active State Power Management to off.


[#697] Sunday, August 28, 2022, 2 Years  [reply] [flag answer]
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antoccasiona

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