[Off-Topic] Boot Live-Microsoft-Windows-11 by grub or something else (to check CPPC)?

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ruwolf
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[Off-Topic] Boot Live-Microsoft-Windows-11 by grub or something else (to check CPPC)?

#1 Post by ruwolf »

Hello.
I still have problem with halting notebook due overheating.
Stripped output:

Code: Select all

$ sudo journalctl -b 0 -g pstate
kernel: Command line: BOOT_IMAGE=/boot/vmlinuz-6.8.0-31-generic root=UUID=aabb0622-44e6-48df-b551-a4a49cf313e7 ro noquiet nosplash amd_pstate.shared_mem=1 amd_pstate=passive
kernel: amd_pstate: the _CPC object is not present in SBIOS or ACPI disabled
Manufacturer's support people do not want to help.
They only support Microsoft Windows, even I have bought the laptop without OS.
They say, that I can check it [if Core Performance Order (CPPC) is enabled/in supported state] in HWInfo (in Microsoft Windows).
So, I have found live ISO of Microsoft Windows 11.
It contains these files:

Code: Select all

$ file *
boot.catalog:    data
FirefoxPortable: directory
grldr:           DOS executable (COM), start instruction 0xeb3e9000 00000000
grldr_cd.bin:    DOS/MBR boot sector
live11.vhd:      DOS/MBR boot sector MS-MBR Windows 7 english at offset 0x163 "Invalid partition table" at offset 0x17b "Error loading operating system" at offset 0x19a "Missing operating system", disk signature 0x7cb53a05; partition 1 : ID=0x7, active, start-CHS (0x0,32,33), end-CHS (0x2a,9,63), startsector 2048, 8384512 sectors
menu.lst:        ASCII text

Code: Select all

$ cat menu.lst 
title Live11
find --set-root --ignore-floppies /live11.vhd
map --mem --top /live11.vhd (hd0)
map --hook
root (hd0,0)
chainloader /bootmgr
Can I boot it from GRUB2? Or by something else? I cannot turn off EFI on the notebook, so I cannot add USB with ISO to boot menu.

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Re: [Off-Topic] Boot Live-Microsoft-Windows-11 by grub or something else (to check CPPC)?

#2 Post by sunrat »

Apparently there is a bug with amd_pstate and a patch has been devised which will be included in the 6.9 kernel - https://bugzilla.kernel.org/show_bug.cgi?id=218171
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Re: [Off-Topic] Boot Live-Microsoft-Windows-11 by grub or something else (to check CPPC)?

#3 Post by fabien »

ruwolf wrote: 2024-06-10 07:47 They say, that I can check it [if Core Performance Order (CPPC) is enabled/in supported state] in HWInfo (in Microsoft Windows).
No need to even reboot to know if it is enabled/supported, it seems. Collaborative Processor Performance Control (CPPC). Or is it something else?
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Re: [Off-Topic] Boot Live-Microsoft-Windows-11 by grub or something else (to check CPPC)?

#4 Post by sunrat »

If you read that bug link I posted, someone suggested amd_pstate=active rather than amd_pstate=passive
“ computer users can be divided into 2 categories:
Those who have lost data
...and those who have not lost data YET ”
Remember to BACKUP!

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