Hi chris,
aspm[1] is there to save power in normal use whenever activity on the
bus is low enough. AFAIR an example saving of 0.8W has been given for
one PCIe bus. AFAIK the PCIe bus is powered off completely during sleep
(S3 state). So you should loose work time on battery, but not sleep
time.
Hi Pascal,
I do have to assume that the above measures did not work for you. In
that case the only advice I can give you for now is to file a nice bug
report with ubuntu-bug linux. This will collect a lot of logs so try
hard to trigger the buggy behavior before you do this. That way the logs
will
My problem is very similar, and since there has been activity here
recently I choose to give you details about my problem.
I have a Sony Vaio with Ubuntu 10.10. I've also used Ubuntu 10.04,
Xubuntu 10.10, Ubuntu 9.10, Linux Mint 8, 9 and 10, all of them 32-bit
as well as 64-bit...
I've always
Oh and my problem occurs while plugged in. On battery I don't know what
happens, the computer is never unplugged!
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Title:
Problem with rt2x00pci
Hi Wolfgang,
sorry for the delay. I just tried it and it seems to be working with the PCIe
power saving off! Thanks!
So does this mean the notebook will use more power in sleep mode because
the PCIe bus now keeps running?
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Not wireless powersaving, then. So let's try PCIe bus power saving:
sudo touch /etc/pm/power.d/pcie_aspm
Same procedure as in comment #6, but this time disabling pcie_aspm. (There is
man pm-powersave for the curious, btw.)
Shut down. Boot. Try suspending again.
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Could be a power save bug. Could you try if this also happens if you
have it plugged in (which should prevent power save mode, I hope).
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Title:
Wolfgang,
good call. Yes, in fact it works fine when its plugged in. I only have the
problem when running on battery.
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Title:
Problem with
Good. Next step is finding out which power saving measure is broken. First
guess is /usr/lib/pm-utils/power.d/wireless. To disable it do:
sudo touch /etc/pm/power.d/wireless
You now should have an empty file named wireless without the executable bit set
in /etc/pm/power.d. Check with:
ls -lh
Before suspending do:
sudo iwconfig wlan0 power off
to shut power management off. The wireless file just keeps power management
from being activated automatically on battery, but it might be already on.
Or just reboot once before trying.
Check with:
iwconfig
whether power management is off or
Ok, I've followed the steps. iwconfig shows power managment off. The
problem still persists when unplugged
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Title:
Problem with rt2x00pci driver
Some workarounds are described in this thread:
http://ubuntuforums.org/showthread.php?t=1587107
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Title:
Problem with rt2x00pci driver in 10.10
This workaround uses rt2860sta instead of rt2xxpci. Unfortunately
rt2860sta also has problems reconnecting after sleep. Is there any
chance rt2xxpci will get fixed at some point or am I better off changing
to an older ubuntu or another distro?
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Hi Chris,
since the rt2x00 project is alive and well and making progress it is
reasonable to assume that it will be fixed at some point.
As a first step to getting there please update your bug report by
running apport-cli -u 689004 on the command line.
Thanks,
Wolfgang
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** Package changed: gnome-nettool (Ubuntu) = linux (Ubuntu)
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Title:
Problem with rt2x00pci driver in 10.10
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