Active State Power Management is a PCI Express power-savings feature. ASPM support has traditionally been troublesome on Linux but most kinks have been addressed in newer Linux kernel releases.

ASPM Articles & Reviews

A Proper Solution To The Linux ASPM Problem   Software   2011-11-11
Linux 3.1 Kernel Draws More Power With Another Regression   Software   2011-08-22

ASPM Linux & Open-Source News

Failing A PCIe 5.0 NVMe SSD In Less Than 3 Minutes Without Extra Cooling   Hardware   2023-05-10
Linux 6.4 Fixes An Issue Where Intel USB Support Could Be Broken After Resume   Linux Kernel   2023-05-01
Initial Support For AMD's Next-Gen, Multi-XCC CDNA Accelerator Starting With Linux 6.4   AMD   2023-04-04
AMD Makes More RDNA3 GPU Driver Preparations For Linux 5.20   Radeon   2022-07-05
PCI Changes Land In Linux 5.19 - Including Power Management Quirk For Intel DG2 Graphics   Hardware   2022-06-02
Linux 5.19 Will Be Super Exciting For Intel Customers, Many Other Features Expected   Linux Kernel   2022-05-22
Intel Linux Driver Wiring Up New "vRAM Self Refresh" Feature For Arc Graphics Cards   Intel   2022-05-18
Linux Adding A Quirk To Improve Power Management For Intel Arc "Alchemist" GPUs   Intel   2022-05-15
Some Older AMD GPUs + Intel Alder Lake Is Causing ASPM Problems For Linux Users   Radeon   2022-04-09
Linux 5.18 Brings Many Networking Changes, New WiFi / Wired Hardware Support   Linux Networking   2022-03-24
AMD Sends In Bits Of New Hardware Blocks For Linux 5.18 Radeon Updates   Radeon   2022-02-19
Linux 5.16 Networking Changes Are Quite Busy From New Drivers To Intel 100G Improvements   Linux Networking   2021-11-02
AMD's Modern Graphics Driver In Linux 5.14 Exceeds 3.3 Million Lines Of Code   Radeon   2021-07-15
Linux 5.14 GPU Driver Updates Come In Heavy With ~300k New Lines Of Code   Linux Kernel   2021-07-01
AMDGPU For Linux 5.14 To Report Throttler Status, Many Fixes Sent Out   Radeon   2021-06-17
AMD Has Yellow Carp Ready For Linux 5.14, More Smart Shift Updates + Display Fixes   Radeon   2021-06-10
AMD "Beige Goby" GPU Support Targeting Linux 5.14 Inclusion   Radeon   2021-05-21
AMD Queues Initial Graphics Code For Linux 5.14 - More Aldebaran, PCIe ASPM, HMM SVM   Radeon   2021-05-13
AMDGPU Appears Ready To Flip On ASPM For More GPUs To Help With Power Savings   Radeon   2021-05-11
AMD Sends In ASPM Support, FreeSync Fixes For Linux 5.13 Cycle   Linux Kernel   2021-04-24
AMD Finally Flipping On ASPM For Navi 1x To Lower Power Consumption   Radeon   2021-04-08
AMDGPU With Linux 5.12 Sees Last Minute Duty Cycle Scaling, Other Bits   Radeon   2021-02-22
Happy New Year! A Look Back At The Most Popular Phoronix Content Of 2020   Phoronix   2020-12-31
Intel vs. AMD, Systemd-Homed, Kernel Advancements Top H1'2020 For Linux   Phoronix   2020-06-30
PCI Changes For Linux 5.8 Bring Power Savings, AMD Workarounds/Whitelisting   Hardware   2020-06-06
Kernel Advancements, Microsoft Linux News Kept Open-Source Fans Entertained In May   Phoronix   2020-06-02
Linux 5.8 Feature Queue Has Multiple Performance Optimizations, Intel Rocket Lake, Other Hardware   Linux Kernel   2020-05-26
Deleting A Few Lines Of Code Can Yield "Significant" Power Savings On Some Linux Systems   Hardware   2020-05-21
PCI Changes For Linux 5.7 Bring Error Disconnect Recover, P2P DMA For Skylake-E   Hardware   2020-04-03
The Linux Kernel Highlights Of The 2010s From Torvalds' Sabbatical To Dealing With Vulnerabilities   Linux Kernel   2019-12-31
The Biggest Open-Source / Linux Radeon News Of The 2010s   Radeon   2019-12-18
Linux 5.5 Provides Knob To Toggle ASPM Link States Individually - Better Power-Savings   Linux Kernel   2019-12-04
PCI Peer-To-Peer Support Merged For Linux 4.20~5.0   Hardware   2018-10-24
The Big Networking Update Sent In For Linux 4.19, Including 802.11ax Bits   Linux Kernel   2018-08-15
PCI, Crypto & Other Updates Head Into Linux 4.17   Linux Kernel   2018-04-07
AMD's Atomic Patch, Latency Tolerance Reporting & Other PCI Changes For Linux 4.16   Hardware   2018-02-05
The Big Changes So Far For The Linux 4.15 Kernel - Half Million New Lines Of Code So Far   Linux Kernel   2017-11-19
Linux 4.15 Is A Huge Update For Both AMD CPU & Radeon GPU Owners   AMD   2017-11-18
ASPM Fixes, SR-IOV Improvements & Other PCI Improvements For Linux 4.15   Linux Kernel   2017-11-16
The Changes So Far For The Linux 4.11 Kernel   Linux Kernel   2017-02-27
Power-Saving PCI Express L1 PM Substate Support Coming To Linux 4.11   Linux Kernel   2017-02-23
PCI Updates For The Linux 4.10 Kernel   Linux Kernel   2016-12-18
Did Linux Power Consumption Improve At All This Year?   Hardware   2015-12-28
Linux 3.17 To Fix Up ASPM, Bring Other PCI Changes   Linux Kernel   2014-07-23
Logitech Isn't Yet Fully Supporting Linux   Hardware   2014-06-20
Linux 3.6 To Linux 3.13 Kernel Power Consumption Tests   Linux Kernel   2013-11-30
Good Features For The Linux 3.12 Kernel   Linux Kernel   2013-09-08
DRM Graphics Updates Sent In For Linux 3.12   Linux Kernel   2013-09-05
Exciting Features That Will Come To Linux 3.12   Linux Kernel   2013-08-31
Linux 3.12 To Support AMD "Berlin" HSA APU   AMD   2013-08-30
AMD's Initial Radeon Driver Changes For Linux 3.12   Radeon   2013-08-13
Linux 3.11 Kernel Power Use Still Being Investigated   Linux Kernel   2013-07-28
Radeon Power Management Gets More Fixes For 3.11   Radeon   2013-07-17
June Was A Very Diverse Month For Linux Enthusiasts   Phoronix   2013-06-30
Radeon In Linux 3.11 Is Fantastic With PM, Sea Islands   Radeon   2013-06-28
AMD Has Massive Radeon Patch Set - Power Management!   Radeon   2013-06-26
Top Features For The Linux 3.9 Kernel   Linux Kernel   2013-02-28
Linux 3.9 Still Toying With PCI-E ASPM, Hot-Plugging   Linux Kernel   2013-02-24
Linux 3.4 Kernel Released With Many New Features   Linux Kernel   2012-05-21
UEFI On Linux Is Like A Pathogen   Free Software   2012-04-06
Best & Worst Case Power Usage On Ubuntu 12.04   Ubuntu   2012-03-30
PCI-E ASPM Change For The Linux 3.4 Kernel   Linux Kernel   2012-03-23
Top Features Of The Linux 3.3 Kernel   Linux Kernel   2012-03-12
Linux 3.3-rc3 Has No Big Surprises   Linux Kernel   2012-02-09
ASPM Linux Kernel Fix To Land Finally In 3.2 Series   Linux Kernel   2012-02-06
How Ubuntu 12.04 Is Trying To Drop Power Usage   Ubuntu   2012-01-27
Going Over The Good & Bad For UEFI On Linux   Linux Kernel   2012-01-25
Where The Linux 3.3 Kernel Will Come Up Short   Linux Kernel   2012-01-21
The Pull That Finally Fixes ASPM Power Regression   Linux Kernel   2012-01-11
The Zen Kernel Is Still Alive, Patching Linux 3.1   Linux Kernel   2012-01-07
Linux 3.2 Kernel Officially Christened   Linux Kernel   2012-01-04
Linux 3.2-rc7: A Present From Linus Torvalds   Linux Kernel   2011-12-24
ASPM Kernel Power Fix Won't Land Until Linux 3.3   Linux Kernel   2011-12-04
Mageia 2 Alpha Takes Flight With New Features   Operating Systems   2011-11-28
Work Towards OpenGL 3.0 In Mesa, Glamor, PM   Intel   2011-11-16
More Linux Kernel Patches To Mimic Windows   Linux Kernel   2011-11-11
Ubuntu: Power Consumption, KVM, Mozilla, Etc   Ubuntu   2011-11-02
Linux 3.2 Is Still Looking To Be Power Hungry   Linux Kernel   2011-10-29
Gigabyte's ASPM Motherboard Fix: Use Windows   Linux Kernel   2011-10-18
Ubuntu 11.10 "Oneiric Ocelot" Enters The Wild   Ubuntu   2011-10-13
Motherboards With Broken ASPM On Linux   Hardware   2011-10-10
The Nasty Battery Power Usage On Ubuntu 11.10   Ubuntu   2011-09-09
Ubuntu 11.10 Power Consumption Up By As Much As ~50%   Ubuntu   2011-09-09
Ubuntu 11.10 Beta Has No Power Regression Fix   Ubuntu   2011-09-01
Ubuntu 11.10 Oneiric Ocelot Alpha 3 Released   Ubuntu   2011-08-05
Linux 3.1 Kernel Gains A Wiimote HID Driver   Linux Gaming   2011-07-23
What To Do If Still Seeing Poor Linux Battery Life   Hardware   2011-06-30
A Comment On The Linux 2.6.38 Power Regression   Hardware   2011-06-27