Re: Question about starting up an AP

[Helmut Schaa <helmut.schaa@googlemail.com>]

Hi,

Am Montag 27 September 2010 schrieb Joshua Smith:
> The change to the REGISTER_BUSY_COUNT did not eliminate the issue. 
> The device still sometimes exhibits this behavior.  (It may be exhibiting
> it less often, but the occurrences are so random, that it's hard for me to
> know for sure.)

Yeah, as I said, just a shot in the dark.

> However, the other fix DID indeed eliminate the kernel crash when I tried
> to restart hostapd, and it also fixed a crash that I experienced when I
> tried to rmmod the rt2800pci module.  So you should definitely mainline
> that patch.

Sure.

> Now that I can retry hostapd and rmmod the modules, I have found that there
> is apparently no software workaround for the case where the DMA busy
> condition does not pass. 

Hmm, maybe there is but we have't found it yet ;)

> I have tried restarting hostapd, and I have tried rmmod'ding all the
> associated modules and modprobing them back in.  Nothing clears the
> condition except a reboot.

Too bad.

> Any other ideas of what I could do to reset the hardware?  I'd love to find
> a "soft" fix for this, rather than having to reboot to clear the condition.

Nothing obviouis at least. So, no without further debugging I don't know what's
going on in your case. Would be interesting if others experience the same
problem.

Helmut