Re: F12 Wireless Network intermittently Dropped: AR9285 card / ath9k module

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On Thu, Dec 3, 2009 at 5:31 PM, Reuben Budiardja
<techlist@xxxxxxxxxxxxxxxxxxxxxxx> wrote:
> On Thursday 03 December 2009 19:04:54 Lonni J Friedman wrote:
>> This sounds like a known ath9k bug that is due to power management
>> problems.  See
>> https://bugzilla.redhat.com/show_bug.cgi?id=538792
>>
> Hi,
> I just read through
> http://bugzilla.kernel.org/show_bug.cgi?id=13807 and
> http://bugzilla.kernel.org/show_bug.cgi?id=14267
> and curious what result you have with your test. It seems that there are few
> "suggestion":
> 1. That later bug report seems to just turn off the power management like you
> said, but you didn't find that fix anything.
> 2. Try out the latest kernel from wireless-testing. Did you ever have a chance
> to do this ? I am curious if you were successful, and would care to elaborate
> some, or even if you have "prescription" on how to compile the kernel.

No, I didn't try the bleeding edge kernel because that seems like a
random shot in the dark.  I've found that this problem occurs
completely at random.  Sometimes multiple times/hour, and once I went
8 days without any issues.  With those odds, I don't see how I could
ever confidently claim that the problem was fixed.  If someone wanted
to give me some means of generating useful debug output that would
help to isolate the problem, I'd be willing to try that, but just
blindly trying a newer kernel seems like a great way to waste my time.

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