*** This bug is a duplicate of bug 1853044 ***
https://bugs.launchpad.net/bugs/1853044
> Do you think Ubuntu will backport the fix?
Yes, looks like the backport to 5.3 is in progress:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1853044/comments/32
** This bug has been marked a
Kernel 5.3.0.18 is not affected, but the following versions.
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https://bugs.launchpad.net/bugs/1863489
Title:
intel grafic i915 driver no power saving states rc6
To manage
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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https://bugs.launchpad.net/bugs/1863489
Title:
intel grafic i915 driver no power saving states rc6
To manage
I am pretty sure, that these mentioned bugs are same issue. Thanks.
I found this enable_rc6 has been removed due to stability issues.
Do you think Ubuntu will backport the fix?
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I believe this is the same as
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1853044 and
possibly https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1856653.
lp:1853044 has test kernels for both 5.3
(https://people.canonical.com/~sforshee/lp1853044/5.3.0-40.32+lp1853044v202002131655/)
and
I am off from my testobject for a few days - will at this later.
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Title:
intel grafic i915 driver no power saving states rc6
To manage
** Package changed: ubuntu => linux (Ubuntu)
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https://bugs.launchpad.net/bugs/1863489
Title:
intel grafic i915 driver no power saving states rc6
To manage notifications about this bug
Thank you for taking the time to report this bug and helping to make
Ubuntu better. It seems that your bug report is not filed about a
specific source package though, rather it is just filed against Ubuntu
in general. It is important that bug reports be filed about source
packages so that people
** Description changed:
- It seems that the i915 intel grafic driver in newer kernels (observed with
5.3) doesn't support energy saving.
+ It seems that the i915 intel graphic driver in newer kernels (observed with
5.3) doesn't support energy saving.
How do I know that? Using powertop shows
powertop:
Take care, maybe you have to scroll down, it is in the middle row below the
cpu-cores
For some strange reason also the packet (summery?) shows in all states 0%,
although I can observe the individual CPU cores are in different power states.
Edit:
I observed that with Ubuntu Mate 18.04
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