The patched Kernel (patch by Matthew Garrett for ASPM) https://wiki.ubuntu.com/Kernel/PowerManagementASPM has not improved the situation, that remains the same as the others 3.0 kernels. The HDSPA Modem is contiunues to use power despite it's turned off.
More investigation on the other problem: the "Device Codec audio hwC0D0: Realtek". This problem is present in all kernel from 3.0 and over, but the problem occurs only randomly. When the problem occurs, the device drains the 100% of power (about 1W) all the time with no reason. Moreover, also mentioned before, activating the power management for the device "SATA /dev/sda" causes a saving in power of about 0.8W Incredibly, activating powersave "Runtime PM for PCI Device Corporation WiFi 5100" increase the power consumption of about 0.5W. Same strange situation for "Runtime PM for PCI Device Intel Corporation N10/ICH 7 Family PCI Express Port 1" and "Runtime PM for PCI Device Intel Corporation N10/ICH 7 Family PCI Express Port 2" (not Port 3) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/875801 Title: Linux power regeression is not improved from Natty to Oneiric - Netbook Zareason Terra HD To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/875801/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
