Bug#749330: systemd: The sysctl service is not started correctly at boot
Michael Biebl
biebl at debian.org
Mon May 26 19:01:27 BST 2014
Am 26.05.2014 19:53, schrieb Michael Biebl:
> Am 26.05.2014 15:10, schrieb Patrick Häcker:
>> Package: systemd
>> Version: 208-1
>> Severity: normal
>>
>> Dear Maintainer,
>>
>> I have a file
>>> /etc/sysctl.d/98-save-power.conf
>> containing the line
>>> vm.dirty_writeback_centisecs = 1500
>> which is used as an example to describe the bug in the following.
>>
>> After boot,
>>> cat /proc/sys/vm/dirty_writeback_centisecs
>> returns
>>> 500,
>
>
> Do you use any power management tools, like acpi-support,
> laptop-mode-tools or pm-utils? If so, one of those might be setting that
> value on ac/battery changes.
I suspect laptop-mode-tools is the culprit:
http://sources.debian.net/src/laptop-mode-tools/1.64-1/usr/share/laptop-mode-tools/modules/laptop-mode?hl=418#L418
set_sysctl /proc/sys/vm/dirty_writeback_centisecs "$U_AGE"
and
usr/share/laptop-mode-tools/modules/laptop-mode: U_AGE=$((100*$DEF_UPDATE))
usr/sbin/laptop_mode:DEF_UPDATE=5
→ there you have your 500
--
Why is it that all of the instruments seeking intelligent life in the
universe are pointed away from Earth?
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