I did not know my laptop (Lenovo X1 Carbon Gen2) had an ambient light sensor
until I upgraded to 22.04 so I cannot say it was working after suspend.
I can say that with Ubuntu 20.04 suspend would proceed as normal and waking
from suspend worked as normal.
I can scan some log files and see if
The previous Kernel I used was 5.4.0-81-generic on ubuntu 20.04.
Grepping through /var/log there is no mention of cm32181 before the upgrade
data (August 19th).
After the upgrade to 5.15.0-47-generic and Ubuntu 22.04 the "cm32181
i2c-CPLM3218:00: PM: failed to suspend: error -121" appears.
I have booted with kernel 5.15.0-46.
Before suspend, the light detector is working
```bash
while true; do cat
/sys/devices/pci:00/INT33C3:00/i2c-0/i2c-CPLM3218:00/iio:device0/in_illuminance_input;
sleep 0.1; done
```
spits out a stream of numbers that change with light levels.
I can then
I have removed the repository 5.15.0-48 kernel and installed the kernels you
linked to.
(using dpkg -i *.deb).
The system suspends successfully, but it does not wake from suspend.
Here is the log showing the end of the suspend.
At 23:10 I started suspend.
At 23:13 I attempted to wake the
Update on the kernel 5.15.0-46 status.
The light sensor does work after resuming from suspend, however the numbers
reported are an order of magnitude greater than before.
During day light it maxes out at 16941, but at night it will report 0, then if
we shine light on it, return numbers > 1000
After running `sudo modprobe -r cm32181` suspend works and it wakes up
from suspend perfectly.
As expected `find /sys/devices | grep illu` cannot find anything.
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Public bug reported:
After updating to 22.04.1 (from 20.04) suspend gets interrupted and the
system returns after a few seconds.
journalctl output
```
Aug 31 19:59:32 nmurphy-laptop kernel: PM: suspend entry (deep)
Aug 31 19:59:32 nmurphy-laptop kernel: Filesystems sync: 0.044 seconds
Aug 31
apport information
** Attachment added: "ProcCpuinfoMinimal.txt"
https://bugs.launchpad.net/bugs/1988346/+attachment/5612785/+files/ProcCpuinfoMinimal.txt
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** Attachment added: "ProcCpuinfo.txt"
https://bugs.launchpad.net/bugs/1988346/+attachment/5612784/+files/ProcCpuinfo.txt
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** Attachment added: "ProcEnviron.txt"
https://bugs.launchpad.net/bugs/1988346/+attachment/5612786/+files/ProcEnviron.txt
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** Attachment added: "ProcInterrupts.txt"
https://bugs.launchpad.net/bugs/1988346/+attachment/5612787/+files/ProcInterrupts.txt
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** Attachment added: "UdevDb.txt"
https://bugs.launchpad.net/bugs/1988346/+attachment/5612790/+files/UdevDb.txt
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** Attachment added: "ProcModules.txt"
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** Attachment added: "RfKill.txt"
https://bugs.launchpad.net/bugs/1988346/+attachment/5612789/+files/RfKill.txt
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** Attachment added: "acpidump.txt"
https://bugs.launchpad.net/bugs/1988346/+attachment/5612791/+files/acpidump.txt
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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** Attachment added: "IwConfig.txt"
https://bugs.launchpad.net/bugs/1988346/+attachment/5612777/+files/IwConfig.txt
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** Attachment added: "Lsusb.txt"
https://bugs.launchpad.net/bugs/1988346/+attachment/5612780/+files/Lsusb.txt
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apport information
** Attachment added: "Lspci.txt"
https://bugs.launchpad.net/bugs/1988346/+attachment/5612778/+files/Lspci.txt
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** Attachment added: "CurrentDmesg.txt"
https://bugs.launchpad.net/bugs/1988346/+attachment/5612776/+files/CurrentDmesg.txt
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** Attachment added: "Lsusb-t.txt"
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** Attachment added: "CRDA.txt"
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** Attachment added: "Lspci-vt.txt"
https://bugs.launchpad.net/bugs/1988346/+attachment/5612779/+files/Lspci-vt.txt
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** Attachment added: "Lsusb-v.txt"
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** Attachment added: "PaInfo.txt"
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apport information
** Tags added: apport-collected jammy wayland-session
** Description changed:
After updating to 22.04.1 (from 20.04) suspend gets interrupted and the
system returns after a few seconds.
journalctl output
```
Aug 31 19:59:32 nmurphy-laptop kernel: PM: suspend
Sorry for the delay.
Thank for for continuing to work on this.
I have tested kernel 5.
* It suspends correctly and resumes correctly.
* Light sensor does not work after suspend.
I attach the DMSEG logs for the boot and suspend/resume cycle.
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Kernel lp1988346-5 boot DMSEG
** Attachment added: "Kernel lp1988346-5 boot DMSEG"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1988346/+attachment/5626100/+files/boot_dmseg_lp1988346-5.log
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Kernel lp1988346-5 successful suspend/resume DMSEG
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https://bugs.launchpad.net/bugs/1988346
Title:
cm32181 module error blocking suspend
Status in linux package in
Kernel lp1988346-5 successful suspend resume.
** Attachment added:
"with_module_successful_suspend_resume_dmseg_lp1988346-5.log"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1988346/+attachment/5626101/+files/with_module_successful_suspend_resume_dmseg_lp1988346-5.log
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You
Thanks for trying to solve this.
After removing the module the device directory looks like this.
$ ls -a /sys/devices/pci:00/INT33C3:00/i2c-0/i2c-CPLM3218:00
total 0
drwxr-xr-x 3 root root0 Sep 13 2022 .
drwxr-xr-x 6 root root0 Sep 13 2022 ..
lrwxrwxrwx 1 root root0 Sep 13
Unload the module, then suspend succeeds Dmesg.
Reloading the module results in.
[ 308.882904] i2c i2c-0: Failed to register i2c client dummy at 0x48 (-16)
[ 308.882977] cm32181: probe of i2c-CPLM3218:00 failed with error -16
** Attachment added:
Suspend Fail Dmesg
** Attachment added: "kernel_lp1988346-3_dmesg_02_suspend_fail_with_module"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1988346/+attachment/5621234/+files/kernel_lp1988346-3_dmesg_02_suspend_fail_with_module
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Boot Dmesg
** Attachment added: "kernel_lp1988346-3_dmesg_01_boot"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1988346/+attachment/5621233/+files/kernel_lp1988346-3_dmesg_01_boot
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With Kernel 4 when I suspend:
* screen goes black and the computer stops responding
* Keyboard light, adaptive function keys, and fan stay on
After 5 minutes, the situation does not change, so I force reboot.
DMSEG starting at suspend, then the forced reboot.
** Attachment added:
Hi Kai-Heng,
Thanks for the new kernel.
* When my laptop suspends a red light should slowly pulse on the laptop, with
this kernel the light stays on.
* the adaptive function keys (Lenovo X1 Carbon 2nd Gen) stay on.
* The laptop does not wake up from suspend, I have to force restart.
Yes, with kernel number 4, if I unload the kernel module it suspends and
resumes fine.
I attach the DMESG log of the successful suspend/resume without cm32181.
** Attachment added: "kernel_lp1988346-4_dmesg_unload_successful_suspend"
6.1.0-1008-oem is working fine.
Suspends and resumes with now issues so far.
I think i have changed the tag from verification-needed-jammy to
verification-done-jammy
** Tags removed: verification-needed-jammy
** Tags added: verification-done-jammy
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Distributor ID: Ubuntu
Description:Ubuntu 22.10
Release:22.10
Codename: kinetic
Kernel: 5.19.0-42-generic
Suspends and resumes, Light detector works after resume.
** Tags removed: verification-needed-kinetic
** Tags added: verification-done-kinetic
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