The power consumption measurement in my previous message using RC2 was executed
wrong. A USB key added to the power consumption.
The conclusions based on that are wrong.
New test result after reboot: +6% compared to Debian 10. The same power
consumption level as in
https://bugs.debian.org/cgi-
Tested Debian Bullseye RC2 - no Desktop Environment (GUI)
appended to /etc/sources on deb lines:
contrib nonfree
apt install firmware-misc-nonfree
apt install powertop
powertop --auto-tune run as a service at boot
/etc/default/grub contains
GRUB_CMDLINE_LINUX_DEFAULT="quiet consoleblank=5"
# up
In order to attempt to prevent the i915 error, this command was used: aptitude
-t unstable install firmware-misc-nonfree
This installed firmware-misc-nonfree_20210315-2_all.deb.
After rebooting, it seems to solve the i915 error. The power consumption (+25%
compared to Debian 10.9) initially did
I tested going back to kernel 4.19 which increased power use even more.
While testing reverting to linux-image-5.10.0-7-amd64 and
linux-image-5.10.0-8-amd64, I noticed that there was a message on the screen
which should have been blanked (grub command line has consoleblank=5). What
happens is t
package: linux-image-5.10.0-8-amd64
version: 5.10.46-1
Tested on Debian 11 with sid (unstable) kernel.
Performs slightly better (3%) than 5.10.28-1/5.10.40-1.
Same issue with this version on Debian 11
package: linux-image-5.10.0-7-amd64
version: 5.10.40-1
Package: linux-image-5.10.0-6-amd64
Version: 5.10.28-1
Idle power consumption has increased by 25% from Debian 10.9 to Debian 11.
Possibly a kernel or driver/firmware issue.
Debian 11, updated
# uname -a
Linux mx1 5.10.0-6-amd64 #1 SMP Debian 5.10.28-1 (2021-04-09) x86_64 GNU/Linux
dpkg --lis
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