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dimpase
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Joined: 06 Nov 2016
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Location: Oxford, UK

PostPosted: Sun Nov 06, 2016 9:50 pm    Post subject: power management problem on Lenovo Carbon X1 4th gen Reply with quote

After installing the system a week ago, I cannot seem to fix the power management/suspend issue.

Symptoms:

s2ram works well at a root console (system properly goes to sleep and properly resumes)

s2ram does not work if I run it from su root in my X11 (I run a basic X11 installation started using startx with xmonad as the window manager). The only X11 applications I use are mate-terminal and chromium.

After leaving the system with X11 session on screen for a while, it goes into a power saving mode, from which it does not emerge properly (X11 dies and leaves a frozen console window behind, and only way to do anything then is to do a hard restart with the power button).

Closing laptop lid does not invoke a suspend mode, it simply had no effect.

It does not seem to make a difference whether I run laptop_mode (as described in https://wiki.gentoo.org/wiki/Power_management/Guide) or not.

Nothing seemingly interesting in dmesg or in other logs (I didn't try digging into laptop-mode options yet).


----------
In contrast, in Arch on the same machine I have a totally working suspend: I can just close the laptop lid and it goes into sleep, and resumes normally (I ran it for 1.5 months quite a lot, it never failed).
(I don't run systemd in Gentoo, it makes it a bit harder to dig up what's wrong...)

Basically, I'm at loss as where to even start. After more than 15 years of running Linux on laptops (more than a dozen of them IIRC), it's the 1st time I have it this bad...

Thanks,
Dima
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Roman_Gruber
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PostPosted: Wed Nov 09, 2016 12:51 pm    Post subject: Reply with quote

Duplicate your kernel.config,loaded modules and how you invoke that process from your ARCH installation.

I think you are missing some important kernel options. My guess: ACPI related, notebook related for your manufacturer. maybe some useflags missing.

Some kernel options are hidden and only show up when you enalbe those prerequisites.
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dimpase
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PostPosted: Sun Nov 13, 2016 12:15 am    Post subject: Reply with quote

Roman_Gruber wrote:
Duplicate your kernel.config,loaded modules and how you invoke that process from your ARCH installation.

I think you are missing some important kernel options. My guess: ACPI related, notebook related for your manufacturer. maybe some useflags missing.

Some kernel options are hidden and only show up when you enalbe those prerequisites.



Here is my lsmod:
Code:

Module                  Size  Used by
ccm                    20480  3
binfmt_misc            20480  1
snd_hda_codec_hdmi     45056  1
snd_hda_codec_conexant    20480  1
snd_hda_codec_generic    65536  1 snd_hda_codec_conexant
btusb                  40960  0
btrtl                  16384  1 btusb
btbcm                  16384  1 btusb
btintel                16384  1 btusb
bluetooth             471040  5 btrtl,btintel,btbcm,btusb
uvcvideo               81920  0
videobuf2_vmalloc      16384  1 uvcvideo
videobuf2_memops       16384  1 videobuf2_vmalloc
videobuf2_v4l2         20480  1 uvcvideo
videobuf2_core         32768  2 uvcvideo,videobuf2_v4l2
videodev              126976  3 uvcvideo,videobuf2_core,videobuf2_v4l2
media                  24576  2 uvcvideo,videodev
snd_soc_skl            61440  0
snd_soc_skl_ipc        32768  1 snd_soc_skl
snd_soc_sst_ipc        16384  1 snd_soc_skl_ipc
snd_soc_sst_dsp        16384  1 snd_soc_skl_ipc
snd_hda_ext_core       20480  1 snd_soc_skl
snd_soc_sst_match      16384  1 snd_soc_skl
mei_wdt                16384  0
snd_soc_core          163840  1 snd_soc_skl
snd_compress           20480  1 snd_soc_core
ac97_bus               16384  1 snd_soc_core
snd_pcm_dmaengine      16384  1 snd_soc_core
arc4                   16384  2
joydev                 20480  0
rtsx_pci_ms            20480  0
memstick               16384  1 rtsx_pci_ms
rtsx_pci_sdmmc         24576  0
iTCO_wdt               16384  0
iTCO_vendor_support    16384  1 iTCO_wdt
acer_wmi               20480  0
sparse_keymap          16384  1 acer_wmi
intel_rapl             20480  0
x86_pkg_temp_thermal    16384  0
intel_powerclamp       16384  0
coretemp               16384  0
kvm_intel             180224  0
kvm                   344064  1 kvm_intel
irqbypass              16384  1 kvm
crct10dif_pclmul       16384  0
crc32_pclmul           16384  0
ghash_clmulni_intel    16384  0
aesni_intel           167936  6
aes_x86_64             20480  1 aesni_intel
lrw                    16384  1 aesni_intel
glue_helper            16384  1 aesni_intel
ablk_helper            16384  1 aesni_intel
cryptd                 20480  3 ablk_helper,ghash_clmulni_intel,aesni_intel
intel_cstate           16384  0
intel_rapl_perf        16384  0
iwlmvm                290816  0
i915                 1138688  3
mac80211              487424  1 iwlmvm
drm_kms_helper        122880  1 i915
snd_hda_intel          32768  0
mei_me                 28672  0
drm                   270336  4 i915,drm_kms_helper
snd_hda_codec          98304  4 snd_hda_intel,snd_hda_codec_conexant,snd_hda_codec_hdmi,snd_hda_codec_generic
i2c_algo_bit           16384  1 i915
pcspkr                 16384  0
snd_hda_core           49152  7 snd_hda_intel,snd_hda_codec_conexant,snd_hda_codec,snd_hda_ext_core,snd_soc_skl,snd_hda_codec_hdmi,snd_hda_codec_generic
input_leds             16384  0
fb_sys_fops            16384  1 drm_kms_helper
snd_hwdep              16384  1 snd_hda_codec
syscopyarea            16384  1 drm_kms_helper
psmouse               118784  0
sysfillrect            16384  1 drm_kms_helper
snd_pcm                86016  8 snd_hda_intel,snd_hda_codec,snd_pcm_dmaengine,snd_hda_ext_core,snd_hda_core,snd_soc_skl,snd_hda_codec_hdmi,snd_soc_core
iwlwifi               139264  1 iwlmvm
serio_raw              16384  0
e1000e                221184  0
ptp                    20480  1 e1000e
sysimgblt              16384  1 drm_kms_helper
rtsx_pci               49152  2 rtsx_pci_sdmmc,rtsx_pci_ms
pps_core               16384  1 ptp
snd_timer              28672  1 snd_pcm
cfg80211              245760  3 iwlmvm,iwlwifi,mac80211
i2c_i801               28672  0
i2c_smbus              16384  1 i2c_i801
intel_pch_thermal      16384  0
mei                    77824  3 mei_me,mei_wdt
shpchp                 32768  0
wmi                    16384  1 acer_wmi
thinkpad_acpi          73728  1
nvram                  16384  1 thinkpad_acpi
snd                    69632  11 snd_compress,snd_hda_intel,snd_hwdep,snd_hda_codec_conexant,snd_hda_codec,snd_timer,thinkpad_acpi,snd_hda_codec_hdmi,snd_hda_codec_generic,snd_soc_core,snd_pcm
evbug                  16384  0
soundcore              16384  1 snd
fjes                   28672  0
mac_hid                16384  0
video                  36864  3 acer_wmi,thinkpad_acpi,i915

the kernel .config file is here:
http://users.ox.ac.uk/~coml0531/gentooconfig.txt

all looks meaningful... [/code]
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dimpase
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PostPosted: Mon Nov 14, 2016 8:13 pm    Post subject: Reply with quote

[quote="dimpase"]
Roman_Gruber wrote:
Duplicate your kernel.config,loaded modules and how you invoke that process from your ARCH installation.

I think you are missing some important kernel options. My guess: ACPI related, notebook related for your manufacturer. maybe some useflags missing.

Some kernel options are hidden and only show up when you enalbe those prerequisites.


I found out that the lid case in /etc/acpi/default.sh was simply commented out!
I added
Code:

case "$action" in
....
                        lid)
                                case "$id" in
                                      close) s2ram;;
                                      open) :;;
                                      *)uhd $*;;
                                esac;;

This at least made the machine going to sleep and wake up properly on lid close/open.

Perhaps a better way to accomplish this would be to add a script into /etc/acpi/actions/, but I have
no idea what and how.

Why lid case was commented out in the 1st place, I don't know. Perhaps cause it interfers with other, more usual, x11 setups? [/code]
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dimpase
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PostPosted: Tue Nov 15, 2016 12:54 am    Post subject: dpms problem? Reply with quote

It seems it's down to DPMS not working properly.
Namely, the crash I describe is also triggered by running in xterm
the following:

xset dpms force off

I don't know how to fix it (short of disabling DPMS).
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dimpase
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PostPosted: Fri Jan 06, 2017 1:29 pm    Post subject: Re: power management problem on Lenovo Carbon X1 4th gen Reply with quote

The problem went away after doing a full update (emerge ... @world) of the system just before the New Year.
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toralf
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PostPosted: Fri Jan 06, 2017 3:22 pm    Post subject: Re: power management problem on Lenovo Carbon X1 4th gen Reply with quote

dimpase wrote:
The problem went away after doing a full update (emerge ... @world) of the system just before the New Year.
what about putting a "[solved]" in front of this thread ? ;)
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