This bug was fixed in the package thermald - 1.9.1-1ubuntu0.2
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thermald (1.9.1-1ubuntu0.2) focal; urgency=medium
* Performance workaround for Dell 7390 2-in-1 Ice Lake (LP: #1874933)
- 5.4 kernel added support for "Processor thermal device" for Ice Lake
via the PPCC
# dpkg -l thermald | cat
Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
||/ Name Version Architecture Description
** Tags removed: verification-needed verification-needed-focal
** Tags added: verification-done-focal
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Title:
Performance
Used version
#apt list | grep thermald
thermald/now 1.9.1-1ubuntu0.2 amd64 [installed,local]
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Title:
Performance workaround for
The attached file contains two screen shots:
- power_limit_before.png (old version thermald/now 1.9.1-1ubuntu0.1 amd64)
- power_limit_after.png (new version thermald/now 1.9.1-1ubuntu0.2 amd64)
Under "stress" workload, the max power consumed is capped below 9W. With
the new version it is
I've added the testcase to the bug description. That seems like a
sensible enough reproducer.
** Description changed:
== SRU justification focal ==
As reported here:
What else is needed here?
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Title:
Performance workaround for Dell 7390 2-in-1 Ice Lake
Status in thermald package in Ubuntu:
To reproduce this:
Boot Ubuntu 20.04 LTS (Focal Fossa)with 5.4 kernel.
Open two terminals:
-In the first terminal run the following command "turbostat --show PkgWatt"
-In the second terminal run some all CPU busy workload, like stress-ng or mprime
After few seconds turbostat will show that
This is blocked on someone writing a test case as requested by Łukasz in
comment 10.
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Title:
Performance workaround for Dell
Is this fix going to be released? Or, abandoned? I got a
XPS-13-7390-2-in-1, and was waiting for the release of this fix. If
necessary, I may want to provide a test.
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For such a big code change I would like to see a clear test case before
approving this SRU. Currently the test case is "As reported here:
", which is not very easy-to-follow. Actually, even on the phoronix
post, without proper context, I can't really easily find any
reproduction steps. How would
** Also affects: thermald (Ubuntu Focal)
Importance: Undecided
Status: New
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Title:
Performance workaround for Dell
** Changed in: thermald (Ubuntu)
Status: Fix Committed => Fix Released
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Title:
Performance workaround for Dell 7390
** Description changed:
+ == SRU justification focal ==
+
+
As reported here:
https://www.phoronix.com/forums/forum/linux-graphics-x-org-drivers/intel-linux/1174225-dell-xps-7390-intel-ice-lake-performance-hit-hard-by-a-linux-kernel-regression?view=stream
This primarily impacts
@Srinivas, commit f7db434293387c965e8d9141608f855893740e3a does not
apply cleanly, I guess there are some RAPL related patches that are
prerequisites. Do you mind assisting on a backport here as I don't want
to miss out the important commits that are also required.
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Ubuntu 20.10 Groovy will have the latest 2.1 thermald hopefully in the
next few hours. I'll backport the fixes and SRU this for focal.
** Changed in: thermald (Ubuntu)
Status: Incomplete => In Progress
** Changed in: thermald (Ubuntu)
Importance: Undecided => Medium
** Changed in:
Same issue for me on Dell XPS 9300. CPU is i7-1065G7.
Using 20.04 LTS + Kernel 5.6.11 and thermald 1.9.1-1build1.
root@laptop:/home/root# grep -r .
/sys/bus/pci/devices/\:00\:04.0/power_limits/*
/sys/bus/pci/devices/:00:04.0/power_limits/power_limit_0_max_uw:900
** Package changed: linux (Ubuntu) => thermald (Ubuntu)
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Title:
Performance workaround for Dell 7390 2-in-1 Ice Lake
Status in
Anything more is required this to be applied?
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Title:
Performance workaround for Dell 7390 2-in-1 Ice Lake
Status in linux package
Please change this to "Confirmed".
As you can see the power limits, it will limit performance from what you can
get at 15W.
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Title:
Power limits from this platform:
abuser@labuser-XPS-13-7390-2-in-1:/$ grep -r .
sys/bus/pci/devices/\:00\:04.0/power_limits/*
sys/bus/pci/devices/:00:04.0/power_limits/power_limit_0_max_uw:900
sys/bus/pci/devices/:00:04.0/power_limits/power_limit_0_min_uw:250
I am not sure what is the thinkpad issue. Is it something new or old
which should have been fixed with dptfxtract and thermald?
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Does 2.1 addresses, in the mean time, the performance bug affecting
Thinkpads ?
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Title:
Performance workaround for Dell 7390 2-in-1
** Description changed:
As reported here:
https://www.phoronix.com/forums/forum/linux-graphics-x-org-drivers/intel-linux/1174225-dell-xps-7390-intel-ice-lake-performance-hit-hard-by-a-linux-kernel-regression?view=stream
This primarily impacts "Ubuntu 20.04 LTS (Focal Fossa)." as it
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