8:53 a.m.
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Hi
I own an Asus Zenbook UX32. F18 64Bit is running great on this
machine. On thing in strange: The battery capacity seems to be less
than running Windows 8 on that Ultrabook.
I investigated this behaviour. I think, this issue is related to ACPI,
because there are no CPU or fan data in /proc/acpi.
[ukiewel@asus ~]$ ll /proc/acpi
total 0
dr-xr-xr-x 3 root root 0 Feb 17 22:23 button
- -rw-r--r-- 1 root root 0 Feb 17 22:23 wakeup
Using acpitools, my Asus Ultrabook is not recognised as Asus:
[ukiewel@asus ~]$ acpitool -A
Sorry, but no Asus ACPI extensions were found on this system.
The other informations provided by acpi tool are also wrong:
[ukiewel@asus ~]$ acpitool
Battery is not present, bailing out.
AC adapter : <info not available>
Thermal info : <not available>
While typing this mail, the Ultrabook runs on battery.
Here some details from dmesg:
[ukiewel@asus ~]$ dmesg | grep -i asus
DMI: ASUSTeK COMPUTER INC. UX32VDA/UX32VDA, BIOS UX32VDA.202 09/10/2012
ACPI: RSDP 00000000ca84d000 00024 (v02 _ASUS_)
ACPI: XSDT 00000000ca84d090 000AC (v01 _ASUS_ Notebook 01072009 AMI
00010013)
ACPI: FACP 00000000ca861268 0010C (v05 _ASUS_ Notebook 01072009 AMI
00010013)
ACPI: DSDT 00000000ca84d1d0 14098 (v02 _ASUS_ Notebook 00000013 INTL
20091112)
ACPI: APIC 00000000ca861378 00072 (v03 _ASUS_ Notebook 01072009 AMI
00010013)
ACPI: FPDT 00000000ca8613f0 00044 (v01 _ASUS_ Notebook 01072009 AMI
00010013)
ACPI: ECDT 00000000ca861438 000C1 (v01 _ASUS_ Notebook 01072009 AMI.
00000005)
ACPI: MCFG 00000000ca861500 0003C (v01 _ASUS_ Notebook 01072009 MSFT
00000097)
ACPI: HPET 00000000ca8635e0 00038 (v01 _ASUS_ Notebook 01072009 AMI.
00000005)
ACPI: BGRT 00000000ca865478 00038 (v00 _ASUS_ Notebook 01072009 ASUS
00010013)
ACPI: MSDM 00000000ca5fee18 00055 (v03 _ASUS_ Notebook 00000000 ASUS
00000001)
Any idea how to fix it?
Thanks
Uwe
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9:38 a.m.
New subject: F18, acpi problem on an Asus Ultrabook [repost from fedora laptop list]
Hi,
----- Original Message -----
I own an Asus Zenbook UX32. F18 64Bit is running great on this
machine. On thing in strange: The battery capacity seems to be less
than running Windows 8 on that Ultrabook.
Unfortunately, on newer HW, Win are sometimes more energy efficient.
It's because they have drivers developed under NDA and it needs time
for the optimized code to get in Linux (mostly the power consumption
is not the most prio for Linux developers when adding support for new
HW).
But the power consumption can be usually lowered in Linux (sometimes
dramatically) by tuning the configuration.
I investigated this behaviour. I think, this issue is related to
ACPI,
because there are no CPU or fan data in /proc/acpi.
[ukiewel@asus ~]$ ll /proc/acpi
total 0
dr-xr-xr-x 3 root root 0 Feb 17 22:23 button
- -rw-r--r-- 1 root root 0 Feb 17 22:23 wakeup
AFAIK the /proc/acpi is getting deprecated, the stuff is moved to
/sys
Using acpitools, my Asus Ultrabook is not recognised as Asus:
[ukiewel@asus ~]$ acpitool -A
Sorry, but no Asus ACPI extensions were found on this system.
Do you have the module loaded?
# modprobe asus-laptop
It is also possible that the module doesn't support your laptop
or your laptop doesn't have/need the extension.
The other informations provided by acpi tool are also wrong:
[ukiewel@asus ~]$ acpitool
Battery is not present, bailing out.
AC adapter : <info not available>
Thermal info : <not available>
You are probably affected by the acpitool bug:
https://bugzilla.redhat.com/show_bug.cgi?id=785261
Till not fixed, you can get some information from powertop:
# yum install powertop
# powertop
Powertop can also help you to diagnose problems related
to power consumption and give you hints whats wrong.
If calibrated it can show you power consumption estimation
(in Watts) for every device and process on your system.
Regarding tuning, there is nice WWW page with various
tips for tunings [1] and we have Fedora Power Management Guide [2]
(F18 update is worked on).
Also in Fedora we have the tuned tool [3]. It can help you to tune
your system for various goals by selecting the right profile.
One of the supported profile is profile targeted to low power
consumption, to enable it:
# yum install tuned
# systemctl enable tuned.service
# systemctl start tuned.service
# tuned-adm profile powersave
If it doesn't help, you can send me the output of dmesg and
"powertop --html" and I can try to look more deep on it
regards
Jaroslav
[1] http://lesswatts.org/
[2] http://docs.fedoraproject.org/en-US/Fedora/18/html/Power_Management_Guide...
[3] http://fedorahosted.org/tuned/
1:22 p.m.
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On 02/18/2013 04:38 PM, Jaroslav Skarvada wrote:
Hi,
----- Original Message -----
> I own an Asus Zenbook UX32. F18 64Bit is running great on this
> machine. On thing in strange: The battery capacity seems to be
> less than running Windows 8 on that Ultrabook.
>
[...]
> Using acpitools, my Asus Ultrabook is not recognised as Asus:
>
> [ukiewel@asus ~]$ acpitool -A Sorry, but no Asus ACPI extensions
> were found on this system.
>
Do you have the module loaded? # modprobe asus-laptop
It doesn't work.
[root@asus ~]# modprobe asus-laptop
modprobe: ERROR: could not insert 'asus_laptop': No such device
Till not fixed, you can get some information from powertop: # yum
install powertop # powertop
done.
Also in Fedora we have the tuned tool [3]. It can help you to tune
your system for various goals by selecting the right profile. One
of the supported profile is profile targeted to low power
consumption, to enable it: # yum install tuned # systemctl enable
tuned.service # systemctl start tuned.service # tuned-adm profile
powersave
tuned is running - without a significant effect.
I'll send you desg and powertop -html off-list.
Thanks
Uwe
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4:35 a.m.
New subject: F18, acpi problem on an Asus Ultrabook [repost from fedora laptop list]
Hi,
I'll send you desg and powertop -html off-list.
from your logs it seems there is a room for improvement:
1) Enable runtime PM and others:
Switch to powersave tuned profile:
# tuned-adm profile powersave
Generate custom profile based on the powersave profile
that will incorporate all suggestions from the powertop tool:
# yum install tuned-utils
# powertop2tuned --enable YOUR_CUSTOM_PROFILE_NAME
Switch to the newly generated profile:
# tuned-adm profile YOUR_CUSTOM_PROFILE_NAME
2) Kill unneeded wireless by rfkill:
# yum install rfkill
# rfkill block IDENTIFIER
where IDENTIFIER could be:
all wifi wlan bluetooth uwb ultrawideband wimax wwan gps fm
3) ASPM is not advertised by your firmware, but on the most
recent machines it works without problem, so try to force it on:
Boot with the following kernel argument (add it to grub): pcie_aspm=force
4) i915/DRM could be also tuned a bit (the safe defaults are very
conservative), but it is not guaranteed to work on all HW and the tuning
may cause video problems, to try it boot with the following kernel
arguments (add them to grub):
i915.i915_enable_rc6=4 i915.i915_enable_fbc=1 i915.semaphores=1 i915.lvds_downclock=1
drm.vblankoffdelay=1
5) Power off your secondary video card, it may save significant
amount of power. This can be done by bumblebee or directly through
bbswitch kernel module, instructions (may be a bit outdated):
http://fedoraproject.org/wiki/Bumblebee
or directly follow the bbswitch readme:
http://github.com/Bumblebee-Project/bbswitch
Hope this helps
regards
Jaroslav
1:16 p.m.
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Hi
1) Enable runtime PM and others: Switch to powersave tuned
profile: # tuned-adm profile powersave
Generate custom profile based on the powersave profile that will
incorporate all suggestions from the powertop tool: # yum install
tuned-utils # powertop2tuned --enable YOUR_CUSTOM_PROFILE_NAME
Switch to the newly generated profile: # tuned-adm profile
YOUR_CUSTOM_PROFILE_NAME
Done.
2) Kill unneeded wireless by rfkill: # yum install rfkill # rfkill
block IDENTIFIER
where IDENTIFIER could be: all wifi wlan bluetooth uwb
ultrawideband wimax wwan gps fm
wlan and bluetooth switched off by gnome applet.
3) ASPM is not advertised by your firmware, but on the most recent
machines it works without problem, so try to force it on: Boot with
the following kernel argument (add it to grub): pcie_aspm=force
Done, no error.
4) i915/DRM could be also tuned a bit (the safe defaults are very
conservative), but it is not guaranteed to work on all HW and the
tuning may cause video problems, to try it boot with the following
kernel arguments (add them to grub): i915.i915_enable_rc6=4
i915.i915_enable_fbc=1 i915.semaphores=1 i915.lvds_downclock=1
drm.vblankoffdelay=1
Done, no error.
5) Power off your secondary video card, it may save significant
amount of power. This can be done by bumblebee or directly through
bbswitch kernel module, instructions (may be a bit outdated):
http://fedoraproject.org/wiki/Bumblebee or directly follow the
bbswitch readme: http://github.com/Bumblebee-Project/bbswitch
Here I have some trouble. There was no error while compiling. But...:
Feb 19 20:00:48 asus systemd[1]: Starting Bumblebee C Daemon...
Feb 19 20:00:48 asus systemd[1]: Started Bumblebee C Daemon.
Feb 19 20:00:48 asus bumblebeed[16605]: modprobe: ERROR: could not
insert 'bbswitch': Required key not available
Feb 19 20:00:48 asus bumblebeed[16605]: [ 3989.940415] [ERROR]Module
bbswitch could not be loaded (timeout?)
Feb 19 20:00:48 asus bumblebeed[16605]: [ 3989.940468] [WARN]No
switching method available. The dedicated card will always be on.
Feb 19 20:00:48 asus bumblebeed[16605]: [ 3989.944307]
[INFO]/opt/bumblebee/sbin/bumblebeed 3.0.1 started
I have to investigate it.
Thanks
Uwe
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1:27 p.m.
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Hi
> 5) Power off your secondary video card, it may save significant
> amount of power. This can be done by bumblebee or directly
> through bbswitch kernel module, instructions (may be a bit
> outdated): http://fedoraproject.org/wiki/Bumblebee or directly
> follow the bbswitch readme:
> http://github.com/Bumblebee-Project/bbswitch
Here I have some trouble. There was no error while compiling.
But...: Feb 19 20:00:48 asus systemd[1]: Starting Bumblebee C
Daemon... Feb 19 20:00:48 asus systemd[1]: Started Bumblebee C
Daemon. Feb 19 20:00:48 asus bumblebeed[16605]: modprobe: ERROR:
could not insert 'bbswitch': Required key not available Feb 19
20:00:48 asus bumblebeed[16605]: [ 3989.940415] [ERROR]Module
bbswitch could not be loaded (timeout?) Feb 19 20:00:48 asus
bumblebeed[16605]: [ 3989.940468] [WARN]No switching method
available. The dedicated card will always be on. Feb 19 20:00:48
asus bumblebeed[16605]: [ 3989.944307]
[INFO]/opt/bumblebee/sbin/bumblebeed 3.0.1 started
I have disabled secure boot in BIOS. Ther bbswitch kernel moduled was
loaded successful.
[ 7.570248] bbswitch: version 0.5
[ 7.570252] bbswitch: Found integrated VGA device 0000:00:02.0:
\_SB_.PCI0.GFX0
[ 7.570257] bbswitch: Found discrete VGA device 0000:01:00.0:
\_SB_.PCI0.PEG0.PEGP
[ 7.570348] bbswitch: detected an Optimus _DSM function
[ 7.570354] bbswitch: Succesfully loaded. Discrete card
0000:01:00.0 is on
[ 7.580076] bbswitch: disabling discrete graphics
If I can trust powertop, the power consumption decreased from 15 watts
to 10 watts. Hey, that is one third!
Thanks again
Uwe
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power-management@lists.fedoraproject.org
5 comments
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participants (2)
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Jaroslav Skarvada -
Uwe Kiewel