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Bug#1012440: marked as done (linux-image-amd64: Long time to load ACPI module battery.ko)

Your message dated Sat, 10 Aug 2024 14:11:52 +0200 (CEST)
with message-id <20240810121152.DECF5BE2DE0@eldamar.lan>
and subject line Closing this bug (BTS maintenance for src:linux bugs)
has caused the Debian Bug report #1012440,
regarding linux-image-amd64: Long time to load ACPI module battery.ko
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

(NB: If you are a system administrator and have no idea what this
message is talking about, this may indicate a serious mail system
misconfiguration somewhere. Please contact owner@bugs.debian.org
immediately.)


-- 
1012440: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1012440
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Package: linux-image-amd64
Version: 5.10.113-1
Severity: normal
X-Debbugs-Cc: macgyver0@gmail.com

Dear Maintainer,
the boot process of my new laptop is heavily slowed down by the ACPI modules loading.
I narrowed down to the battery.ko module: it takes about 8.4 s to load, during which the system is apparently not doing anything and just waiting.

...
[    1.026951] SCSI subsystem initialized
[    1.030514] ACPI: Power Button [PWRF]
[    9.460317] battery: ACPI: Battery Slot [BAT1] (battery present)
[    9.465637] intel-lpss 0000:00:15.0: enabling device (0000 -> 0002)
...

Consider that 8 s in my case is very long time since the entire boot process (without loading that module) takes only ~10s.
I am on a new Lenovo laptop with i5-1035G1 and Samsung SSD 256 GB.
I do not see relevant module options to try and I have no other debug informations that could be useful: if you want more information just ask of course.

As a temporary solution I rebuilt the initrd without that module and I am loading it, by a custom systemd unit, in background as soon as possible, so that in the meantime the boot process can continue while it's loading and I can also login and start my DE (xfce).

Regards,
Luca

-- System Information:
Debian Release: 11.3
  APT prefers stable-updates
  APT policy: (500, 'stable-updates'), (500, 'stable-security'), (500, 'stable')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 5.10.0-14-amd64 (SMP w/6 CPU threads)
Kernel taint flags: TAINT_OOT_MODULE, TAINT_UNSIGNED_MODULE
Locale: LANG=it_IT.UTF-8, LC_CTYPE=it_IT.UTF-8 (charmap=UTF-8), LANGUAGE not set
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

Versions of packages linux-image-amd64 depends on:
ii  linux-image-5.10.0-14-amd64  5.10.113-1

linux-image-amd64 recommends no packages.

linux-image-amd64 suggests no packages.

-- no debconf information

--- End Message ---
--- Begin Message --- 
Hi

This bug was filed for a very old kernel or the bug is old itself
without resolution.

If you can reproduce it with

- the current version in unstable/testing
- the latest kernel from backports

please reopen the bug, see https://www.debian.org/Bugs/server-control
for details.

Regards,
Salvatore

--- End Message ---
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