1. Computers
  2. Display Drivers
  3. Graphics Cards
  4. Memory
  5. Motherboards
  6. Processors
  7. Software
  8. Storage
  9. Operating Systems


Facebook RSS Twitter Twitter Google Plus


Phoronix Test Suite

OpenBenchmarking.org

Linux 3.9 Still Toying With PCI-E ASPM, Hot-Plugging

Linux Kernel

Published on 24 February 2013 09:48 AM EST
Written by Michael Larabel in Linux Kernel
6 Comments

The PCI pull request for the Linux 3.9 kernel reveals that more hot-plugging work is about to land plus developers are still working on the handling of PCI Express ASPM (Active State Power Management), the cause of the major Linux kernel power regression of 2011.

Bjorn Helgaas sent in the PCI changes for Linux 3.9 on Saturday afternoon. PCI changes for this next kernel include improved major work on host bridge hot-plug with overhauling PCI/ACPI binding, ACPI host-bridge add/start, and other areas. PCI device hot-plugging also saw changes plus there were various other random changes to the Linux PCI sub-system.

When it comes to PCI power management on Linux 3.9, PCI Express Active State Power Management (PCI-E ASPM) will now not be touched by the kernel if it's disabled. There's also a reported fix to the ASPM link state management.

More details on the PCI subsystem changes for the Linux 3.9 kernel can be found from Bjorn's pull request.

About The Author
Michael Larabel is the principal author of Phoronix.com and founded the web-site in 2004 with a focus on enriching the Linux hardware experience and being the largest web-site devoted to Linux hardware reviews, particularly for products relevant to Linux gamers and enthusiasts but also commonly reviewing servers/workstations and embedded Linux devices. Michael has written more than 10,000 articles covering the state of Linux hardware support, Linux performance, graphics hardware drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated testing software. He can be followed via and or contacted via .
Latest Linux Hardware Reviews
  1. Btrfs On 4 x Intel SSDs In RAID 0/1/5/6/10
  2. AMD Radeon R9 290 On Ubuntu 14.10: RadeonSI Gallium3D vs. Catalyst
  3. MSI X99S SLI PLUS On Linux
  4. NVIDIA GeForce GTX 970 Offers Great Linux Performance
Latest Linux Articles
  1. NVIDIA's Linux Driver Can Deliver Better OpenGL Performance Than Windows 8.1
  2. Windows 8.1 vs. Ubuntu 14.10 With Intel HD Graphics
  3. 6-Way Ubuntu 14.10 Radeon Gallium3D vs. Catalyst Driver Comparison
  4. NVIDIA vs. Nouveau Drivers On Ubuntu 14.10
Latest Linux News
  1. AMD On Linux & Systemd Were Very Popular This Month
  2. Wine 1.7.30 Continues Work On DirectWrite & Offers Regedit Fixes
  3. Has The Sky Fallen? Qualcomm Contributes To Freedreno's DRM/KMS Driver
  4. Manjaro Works To Make Calamares A Distribution-Independent Installer
  5. DisplayLink USB 3.0 Support Sounds Like A Mess
  6. PulseAudio Gains A Native Bluetooth Headset Backend
  7. X.Org Foundation Decides On Its Women Outreach Project
  8. GTK+ 3.16's New GtkGLArea Widget Gets Improved
  9. X.Org Server 1.17 ABI Bumped
  10. Fedora 21 Beta To Be Released Next Week
Latest Forum Discussions
  1. How to get rid of Linux
  2. Step by Step install of Latest Nvidia Driver Article Request
  3. Closed source to opensource
  4. What Would You Like To See Next?
  5. Is foolish currently develop in machine code, hexadecimal and assembly?
  6. Reducing The CPU Usage In Mesa To Improve Performance
  7. Help diagnosing problems with a Readon HD 4670 on Mesa 10.3.2-1
  8. Advertisements On Phoronix