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Bug#628444: Info received (iwlagn - "MAC is in deep sleep", cannot restore wifi operation)



On Sun, 26 Feb 2012, Ben Hutchings wrote:

[snip]
No, wasn't even aware of its existance.  System shows it is currently at
"default" unfortunately, the debug kernel I am currently running has the
pcie_aspm regression which prevents it from being changed without
rebooting which is rather time consuming with my setup.  There doesn't
seem to be an obvious way to tell what the "default" is.
[...]

I'm not recommending that you set it.  I was concerned that forcing ASPM
on could possibly trigger this problem.

After looking up the setting, I had assumed that was your concern. However, it seems to me that if it is currently on, then forcing it to "off" might possibly help with the issues with this card. Power management has caused a lot of issues on Linux over the years. Unfortunately, "default" doesn't tell me which state it is actually in.
Will give it a try next time I reboot.

FWIW.

Shannon C. Dealy      |               DeaTech Research Inc.
dealy@deatech.com     |          - Custom Software Development -
Phone: (800) 467-5820 |          - Natural Building Instruction -
   or: (541) 929-4089 |                  www.deatech.com



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