This bug was fixed in the package linux - 5.3.0-24.26
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linux (5.3.0-24.26) eoan; urgency=medium
* eoan/linux: 5.3.0-24.26 -proposed tracker (LP: #1852232)
* Eoan update: 5.3.9 upstream stable release (LP: #1851550)
- io_uring: fix up O_NONBLOCK handling for sockets
-
This bug was fixed in the package linux - 5.3.0-24.26
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linux (5.3.0-24.26) eoan; urgency=medium
* eoan/linux: 5.3.0-24.26 -proposed tracker (LP: #1852232)
* Eoan update: 5.3.9 upstream stable release (LP: #1851550)
- io_uring: fix up O_NONBLOCK handling for sockets
-
This bug was fixed in the package linux - 5.0.0-37.40
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linux (5.0.0-37.40) disco; urgency=medium
* disco/linux: 5.0.0-37.40 -proposed tracker (LP: #1852253)
* System hangs at early boot (LP: #1851216)
- x86/timer: Skip PIT initialization on modern chipsets
* drm/i915:
Unfortunately, the installation was upgraded to eoan and as this is my
daily used system, I can't provide a disco installation during the
foreseeable future. However I had verified a test kernel on 2019-08-27
#19 on disco.
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Could you please verify that disco is fixed as well? Thanks.
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https://bugs.launchpad.net/bugs/1840835
Title:
High power consumption using 5.0.0-25-generic
Status in linux
** Tags removed: verification-needed-eoan
** Tags added: verification-done-eoan
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https://bugs.launchpad.net/bugs/1840835
Title:
High power consumption using
Enabling proposed on eoan, and upgrading kernel to 5.3.0-24-generic
fixes the issue.
In eoan 19.10 the way graphics switch between nvidia and intel changed,
specifically:
If system booted with Intel, nvidia is not detectable on lspci and a reboot is
required to use it, so nvidia is sort of
This bug is awaiting verification that the kernel in -proposed solves
the problem. Please test the kernel and update this bug with the
results. If the problem is solved, change the tag 'verification-needed-
disco' to 'verification-done-disco'. If the problem still exists, change
the tag
This bug is awaiting verification that the kernel in -proposed solves
the problem. Please test the kernel and update this bug with the
results. If the problem is solved, change the tag 'verification-needed-
eoan' to 'verification-done-eoan'. If the problem still exists, change
the tag
** Changed in: linux (Ubuntu Disco)
Status: New => Fix Committed
** Changed in: linux (Ubuntu Eoan)
Status: New => Fix Committed
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** Also affects: linux (Ubuntu Disco)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Eoan)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Disco)
Importance: Undecided => Medium
** Changed in: linux (Ubuntu Eoan)
Importance: Undecided
** Changed in: linux (Ubuntu)
Status: Incomplete => Fix Committed
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Title:
High power consumption using 5.0.0-25-generic
** Description changed:
- After updating to 5.0.0-25-generic kernel, battery life is considerably
- less and power consumption is about 10 watts more idle, using integrated
- graphics. This is a hybrid GPU laptop Intel HD 630/GP107M, and a
- possible cause is not powering off the dedicated GPU
** Attachment added: "dmesg50028nvidia"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1840835/+attachment/5285033/+files/dmesg50028nvidia
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I installed the test kernel:
linux-headers-5.0.0-28_5.0.0-28.29~lp1840835_all.deb
linux-headers-5.0.0-28-generic_5.0.0-28.29~lp1840835_amd64.deb
linux-image-unsigned-5.0.0-28-generic_5.0.0-28.29~lp1840835_amd64.deb
linux-modules-5.0.0-28-generic_5.0.0-28.29~lp1840835_amd64.deb
A test kernel can be found here:
https://people.canonical.com/~khfeng/lp1840835/
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Title:
High power consumption using
My proposed patch to fix the issue:
https://lkml.org/lkml/2019/8/27/956
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Title:
High power consumption using 5.0.0-25-generic
** Attachment added: "lspcivvs"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1840835/+attachment/5283796/+files/lspcivvs
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$ cat /sys/bus/pci/devices/:01:00.0/power/runtime_suspended_time
0
$ cat /sys/bus/pci/devices/:01:00.1/power/runtime_suspended_time
4432
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I assume "power/control" is already "auto" after `powertop --auto-tune`.
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Title:
High power consumption using 5.0.0-25-generic
[4.753032] snd_hda_intel :01:00.1: Handle vga_switcheroo audio client
So a device link is established.
Can you please attach the following outputs:
`cat /sys/bus/pci/devices/:01:00.0/power/runtime_suspended_time`
`cat /sys/bus/pci/devices/:01:00.1/power/runtime_suspended_time`
** Attachment added: "dmesg"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1840835/+attachment/5283669/+files/dmesg
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Can you please attach dmesg? Thanks.
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Title:
High power consumption using 5.0.0-25-generic
Status in linux package in Ubuntu:
No, running sudo powertop --auto-tune doesn't eliminate the issue. While
having all powertop tunables enabled, powertop reports ~10 watt more on
5.0.0-25
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Does enable HDA's runtime power management help? Command like `sudo
powertop --auto-tune`.
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Title:
High power consumption using
I noticed that on 5.0.0-25-generic the module snd_hda_codec_hdmi is
loaded, which is not true for 5.0.0-23-generic.
http://changelogs.ubuntu.com/changelogs/pool/main/l/linux-hwe/linux-
hwe_5.0.0-25.26~18.04.1/changelog
* Unhide Nvidia HDA audio controller (LP: #1836308)
- PCI: Enable
apport-collect has this issue:
$ apport-collect 1840835
dpkg-query: no packages found matching linux
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Title:
High power
This has only occurred on 5.0.0-25-generic.
nvidia-driver-430
GP107M [GeForce GTX 1050 Mobile]
** Description changed:
After updating to 5.0.0-25-generic kernel, battery life is considerably
less and power consumption is about 10 watts more idle, using integrated
graphics. This is a
** Attachment added: "FILENAME.apport"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1840835/+attachment/5283548/+files/FILENAME.apport
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** Attachment added: "lspci-vnvn.log"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1840835/+attachment/5283547/+files/lspci-vnvn.log
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