Outcome of testing with your kernel 6.5.0-2007-oem:
1) with your kernel batttery drain is 8% in 4 days;
2) with Ubuntu 22.04 6.2.0-37 kernel also 8% in 4 days;
3) with power reset workaround (see #49 above) it is 2% in 4 days.
So my conclusion is that 6.5.0-2007-oem has same battery drain still.
Ho
Thank you for this kernel, just booted with it an will report to you the
outcome later.
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https://bugs.launchpad.net/bugs/1912935
Title:
battery drain while notebook off / s
p.s. in the meantime i can still use the workaround as mentioned in #49:
the power reset. that one still works perfectly, so i can rule out the
bad battery in my case. hopefully the module that causes the drain can
still be found.
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No progress in ruling out modules, but have a very interesting finding
to report:
My laptop (see #45) is dualboot with Windows 11 and Ubuntu 22.04 LTS.
Somewhere I read that powering down from Windows could result in 0%
drain and with the previous Windows 10 that I had installed as other OS
that w
Thank you for your answers. My latest version of the script already uses
modprobe -rf (earlier version had rmmod).
Am constrained at the moment in terms of time due to personal circumstances,
but hope to send you within 1 week a list of modules that can be ruled out.
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@kaihengfeng, the first test with unloading a limited amount of modules
(due to rmmod -f limitations) did not result in 0% battery drain. So the
next step would be a modified kernel that allows unloading all modules
(see #56). Do you maybe have another suggestion of how to find out which
module nee
Did not manage to do a first test with all modules unloaded (many are in use),
so made a simple script that runs rmmod on all loaded modules, logs the result
and then shuts down the laptop.
Running unmodified 5.15.0-33-generic Ubuntu kernel at the moment. To be able to
use "rmmod -f" I would hav
I can confirm that the patch did not help prevent battery drain while
the laptop was off.
@Kai-Heng, do you think that the patch could work when placing it in the
core.c file as mentioned in #22 and not cause the previous issue with
NVIDIA Tegra of that original patch?
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There was a compile error that I could easily fix:
/home/martien/kernel/linux-5.15.0/drivers/pci/pci-driver.c:516:17: error:
implicit declaration of function 'dev_pm_domain_detach'
[-Werror=implicit-function-declaration]
516 | dev_pm_domain_detach
Thank you! Building the latest kernel (5.15.0-33 on Ubuntu 22.04) with
your patch included. Will report back as soon as I have tested it (will
be within a couple of days).
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ht
Somehow it did make a difference a couple of times, but unfortunately
not always: the last time I thought I had it configured the right way
finally by adding the 'acpi_osi=!' part, and it did work after the first
reboot and shutdown. But then after I read your last comment #48 I
noticed again the d
Since there is no patch yet, I am using this work-around for my HP laptop
(hw/sw details: see #45):
- put this in /etc/default/grub (in my setup it is only changing the default
value of that var)
GRUB_CMDLINE_LINUX_DEFAULT="acpi_osi=! \"acpi_osi=Windows 2015\" "
- then run this command to updat
I can confirm that this affects my HP Elitebook 1030 G1 laptop with Intel Core
m7-6Y75 processor.
OS: Ubuntu 20.04.3 LTS
Kernel: 5.11.0-40-generic #44~20.04.2-Ubuntu SMP Tue Oct 26 18:07:44 UTC 2021
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Changed status to "Confirmed", since it was found in the new kernel:
gianluca (amato) wrote on 2014-11-03: #10
I tried with the new kernel, but I have the same issue.
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h
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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https://bugs.launchpad.net/bugs/1366538
Title:
Synchronisation/close /dev/sdi: i/o error on target hos
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